---
_id: '689'
author:
- first_name: Johannes Sebastian
full_name: Schaefer, Johannes Sebastian
id: '30291'
last_name: Schaefer
citation:
ama: Schaefer JS. Routing Algorithms on Delayed Networks for Disaster Management
Support. Universität Paderborn; 2016.
apa: Schaefer, J. S. (2016). Routing Algorithms on Delayed Networks for Disaster
Management Support. Universität Paderborn.
bibtex: '@book{Schaefer_2016, title={Routing Algorithms on Delayed Networks for
Disaster Management Support}, publisher={Universität Paderborn}, author={Schaefer,
Johannes Sebastian}, year={2016} }'
chicago: Schaefer, Johannes Sebastian. Routing Algorithms on Delayed Networks
for Disaster Management Support. Universität Paderborn, 2016.
ieee: J. S. Schaefer, Routing Algorithms on Delayed Networks for Disaster Management
Support. Universität Paderborn, 2016.
mla: Schaefer, Johannes Sebastian. Routing Algorithms on Delayed Networks for
Disaster Management Support. Universität Paderborn, 2016.
short: J.S. Schaefer, Routing Algorithms on Delayed Networks for Disaster Management
Support, Universität Paderborn, 2016.
date_created: 2017-11-14T06:51:37Z
date_updated: 2022-01-06T07:03:23Z
department:
- _id: '63'
language:
- iso: eng
project:
- _id: '1'
name: SFB 901
- _id: '5'
name: SFB 901 - Subprojekt A1
- _id: '2'
name: SFB 901 - Project Area A
publisher: Universität Paderborn
status: public
supervisor:
- first_name: Friedhelm
full_name: Meyer auf der Heide, Friedhelm
id: '15523'
last_name: Meyer auf der Heide
title: Routing Algorithms on Delayed Networks for Disaster Management Support
type: mastersthesis
user_id: '477'
year: '2016'
...
---
_id: '16450'
abstract:
- lang: eng
text: "In this paper, we solve the local gathering problem of a swarm of $n$\r\nindistinguishable,
point-shaped robots on a two dimensional grid in\r\nasymptotically optimal time
$\\mathcal{O}(n)$ in the fully synchronous\r\n$\\mathcal{FSYNC}$ time model. Given
an arbitrarily distributed (yet connected)\r\nswarm of robots, the gathering problem
on the grid is to locate all robots\r\nwithin a $2\\times 2$-sized area that is
not known beforehand. Two robots are\r\nconnected if they are vertical or horizontal
neighbors on the grid. The\r\nlocality constraint means that no global control,
no compass, no global\r\ncommunication and only local vision is available; hence,
a robot can only see\r\nits grid neighbors up to a constant $L_1$-distance, which
also limits its\r\nmovements. A robot can move to one of its eight neighboring
grid cells and if\r\ntwo or more robots move to the same location they are \\emph{merged}
to be only\r\none robot. The locality constraint is the significant challenging
issue here,\r\nsince robot movements must not harm the (only globally checkable)
swarm\r\nconnectivity. For solving the gathering problem, we provide a synchronous\r\nalgorithm
-- executed by every robot -- which ensures that robots merge without\r\nbreaking
the swarm connectivity. In our model, robots can obtain a special\r\nstate, which
marks such a robot to be performing specific connectivity\r\npreserving movements
in order to allow later merge operations of the swarm.\r\nCompared to the grid,
for gathering in the Euclidean plane for the same robot\r\nand time model the
best known upper bound is $\\mathcal{O}(n^2)$."
author:
- first_name: 'Andreas '
full_name: 'Cord-Landwehr, Andreas '
last_name: Cord-Landwehr
- first_name: Matthias
full_name: Fischer, Matthias
id: '146'
last_name: Fischer
- first_name: Daniel
full_name: Jung, Daniel
id: '37827'
last_name: Jung
- first_name: Friedhelm
full_name: Meyer auf der Heide, Friedhelm
id: '15523'
last_name: Meyer auf der Heide
citation:
ama: Cord-Landwehr A, Fischer M, Jung D, Meyer auf der Heide F. Asymptotically Optimal
Gathering on a Grid. arXiv:160203303. 2016.
apa: Cord-Landwehr, A., Fischer, M., Jung, D., & Meyer auf der Heide, F. (2016).
Asymptotically Optimal Gathering on a Grid. ArXiv:1602.03303.
bibtex: '@article{Cord-Landwehr_Fischer_Jung_Meyer auf der Heide_2016, title={Asymptotically
Optimal Gathering on a Grid}, journal={arXiv:1602.03303}, author={Cord-Landwehr,
Andreas and Fischer, Matthias and Jung, Daniel and Meyer auf der Heide, Friedhelm},
year={2016} }'
chicago: Cord-Landwehr, Andreas , Matthias Fischer, Daniel Jung, and Friedhelm Meyer
auf der Heide. “Asymptotically Optimal Gathering on a Grid.” ArXiv:1602.03303,
2016.
ieee: A. Cord-Landwehr, M. Fischer, D. Jung, and F. Meyer auf der Heide, “Asymptotically
Optimal Gathering on a Grid,” arXiv:1602.03303. 2016.
mla: Cord-Landwehr, Andreas, et al. “Asymptotically Optimal Gathering on a Grid.”
ArXiv:1602.03303, 2016.
short: A. Cord-Landwehr, M. Fischer, D. Jung, F. Meyer auf der Heide, ArXiv:1602.03303
(2016).
date_created: 2020-04-07T07:20:47Z
date_updated: 2022-01-06T06:52:50Z
department:
- _id: '63'
external_id:
arxiv:
- '1602.03303'
language:
- iso: eng
publication: arXiv:1602.03303
status: public
title: Asymptotically Optimal Gathering on a Grid
type: preprint
user_id: '15415'
year: '2016'
...
---
_id: '169'
abstract:
- lang: eng
text: We apply methods of genetic programming to a general problem from software
engineering, namely example-based generation of specifications. In particular,
we focus on model transformation by example. The definition and implementation
of model transformations is a task frequently carried out by domain experts, hence,
a (semi-)automatic approach is desirable. This application is challenging because
the underlying search space has rich semantics, is high-dimensional, and unstructured.
Hence, a computationally brute-force approach would be unscalable and potentially
infeasible. To address that problem, we develop a sophisticated approach of designing
complex mutation operators. We define ‘patterns’ for constructing mutation operators
and report a successful case study. Furthermore, the code of the evolved model
transformation is required to have high maintainability and extensibility, that
is, the code should be easily readable by domain experts. We report an evaluation
of this approach in a software engineering case study.
author:
- first_name: Thomas
full_name: Kühne, Thomas
id: '49079'
last_name: Kühne
- first_name: Heiko
full_name: Hamann, Heiko
last_name: Hamann
- first_name: Svetlana
full_name: Arifulina, Svetlana
last_name: Arifulina
- first_name: Gregor
full_name: Engels, Gregor
id: '107'
last_name: Engels
citation:
ama: 'Kühne T, Hamann H, Arifulina S, Engels G. Patterns for Constructing Mutation
Operators: Limiting the Search Space in a Software Engineering Application. In:
Proceedings of the 19th European Conference on Genetic Programming (EuroGP
2016). LNCS 9594. ; 2016:278--293. doi:10.1007/978-3-319-30668-1_18'
apa: 'Kühne, T., Hamann, H., Arifulina, S., & Engels, G. (2016). Patterns for
Constructing Mutation Operators: Limiting the Search Space in a Software Engineering
Application. In Proceedings of the 19th European Conference on Genetic Programming
(EuroGP 2016) (pp. 278--293). https://doi.org/10.1007/978-3-319-30668-1_18'
bibtex: '@inproceedings{Kühne_Hamann_Arifulina_Engels_2016, series={LNCS 9594},
title={Patterns for Constructing Mutation Operators: Limiting the Search Space
in a Software Engineering Application}, DOI={10.1007/978-3-319-30668-1_18},
booktitle={Proceedings of the 19th European Conference on Genetic Programming
(EuroGP 2016)}, author={Kühne, Thomas and Hamann, Heiko and Arifulina, Svetlana
and Engels, Gregor}, year={2016}, pages={278--293}, collection={LNCS 9594} }'
chicago: 'Kühne, Thomas, Heiko Hamann, Svetlana Arifulina, and Gregor Engels. “Patterns
for Constructing Mutation Operators: Limiting the Search Space in a Software Engineering
Application.” In Proceedings of the 19th European Conference on Genetic Programming
(EuroGP 2016), 278--293. LNCS 9594, 2016. https://doi.org/10.1007/978-3-319-30668-1_18.'
ieee: 'T. Kühne, H. Hamann, S. Arifulina, and G. Engels, “Patterns for Constructing
Mutation Operators: Limiting the Search Space in a Software Engineering Application,”
in Proceedings of the 19th European Conference on Genetic Programming (EuroGP
2016), 2016, pp. 278--293.'
mla: 'Kühne, Thomas, et al. “Patterns for Constructing Mutation Operators: Limiting
the Search Space in a Software Engineering Application.” Proceedings of the
19th European Conference on Genetic Programming (EuroGP 2016), 2016, pp. 278--293,
doi:10.1007/978-3-319-30668-1_18.'
short: 'T. Kühne, H. Hamann, S. Arifulina, G. Engels, in: Proceedings of the 19th
European Conference on Genetic Programming (EuroGP 2016), 2016, pp. 278--293.'
date_created: 2017-10-17T12:41:25Z
date_updated: 2022-01-06T06:52:58Z
ddc:
- '040'
department:
- _id: '66'
- _id: '238'
- _id: '63'
doi: 10.1007/978-3-319-30668-1_18
file:
- access_level: closed
content_type: application/pdf
creator: florida
date_created: 2018-03-21T12:41:08Z
date_updated: 2018-03-21T12:41:08Z
file_id: '1540'
file_name: 169-kuehne.pdf
file_size: 2069427
relation: main_file
success: 1
file_date_updated: 2018-03-21T12:41:08Z
has_accepted_license: '1'
language:
- iso: eng
page: 278--293
project:
- _id: '1'
name: SFB 901
- _id: '9'
name: SFB 901 - Subprojekt B1
- _id: '3'
name: SFB 901 - Project Area B
publication: Proceedings of the 19th European Conference on Genetic Programming (EuroGP
2016)
series_title: LNCS 9594
status: public
title: 'Patterns for Constructing Mutation Operators: Limiting the Search Space in
a Software Engineering Application'
type: conference
user_id: '57458'
year: '2016'
...
---
_id: '1082'
author:
- first_name: Tobias
full_name: Handirk, Tobias
last_name: Handirk
citation:
ama: Handirk T. Über die Rolle von Informationen in Verkehrsnetzwerken. Universität
Paderborn; 2016.
apa: Handirk, T. (2016). Über die Rolle von Informationen in Verkehrsnetzwerken.
Universität Paderborn.
bibtex: '@book{Handirk_2016, title={Über die Rolle von Informationen in Verkehrsnetzwerken},
publisher={Universität Paderborn}, author={Handirk, Tobias}, year={2016} }'
chicago: Handirk, Tobias. Über die Rolle von Informationen in Verkehrsnetzwerken.
Universität Paderborn, 2016.
ieee: T. Handirk, Über die Rolle von Informationen in Verkehrsnetzwerken.
Universität Paderborn, 2016.
mla: Handirk, Tobias. Über die Rolle von Informationen in Verkehrsnetzwerken.
Universität Paderborn, 2016.
short: T. Handirk, Über die Rolle von Informationen in Verkehrsnetzwerken, Universität
Paderborn, 2016.
date_created: 2017-12-19T10:10:17Z
date_updated: 2022-01-06T06:50:51Z
department:
- _id: '63'
- _id: '541'
language:
- iso: ger
project:
- _id: '1'
name: SFB 901
- _id: '7'
name: SFB 901 - Subproject A3
- _id: '2'
name: SFB 901 - Project Area A
publisher: Universität Paderborn
status: public
supervisor:
- first_name: Alexander
full_name: Skopalik, Alexander
id: '40384'
last_name: Skopalik
title: Über die Rolle von Informationen in Verkehrsnetzwerken
type: bachelorsthesis
user_id: '14052'
year: '2016'
...
---
_id: '154'
author:
- first_name: Andreas
full_name: Cord-Landwehr, Andreas
last_name: Cord-Landwehr
citation:
ama: Cord-Landwehr A. Selfish Network Creation - On Variants of Network Creation
Games. Vol 353. Verlagsschriftenreihe des Heinz Nixdorf Instituts, Paderborn;
2016.
apa: Cord-Landwehr, A. (2016). Selfish Network Creation - On Variants of Network
Creation Games (Vol. 353). Verlagsschriftenreihe des Heinz Nixdorf Instituts,
Paderborn.
bibtex: '@book{Cord-Landwehr_2016, series={Verlagsschriftenreihe des Heinz Nixdorf
Instituts, Paderborn}, title={Selfish Network Creation - On Variants of Network
Creation Games}, volume={353}, publisher={Verlagsschriftenreihe des Heinz Nixdorf
Instituts, Paderborn}, author={Cord-Landwehr, Andreas}, year={2016}, collection={Verlagsschriftenreihe
des Heinz Nixdorf Instituts, Paderborn} }'
chicago: Cord-Landwehr, Andreas. Selfish Network Creation - On Variants of Network
Creation Games. Vol. 353. Verlagsschriftenreihe Des Heinz Nixdorf Instituts,
Paderborn. Verlagsschriftenreihe des Heinz Nixdorf Instituts, Paderborn, 2016.
ieee: A. Cord-Landwehr, Selfish Network Creation - On Variants of Network Creation
Games, vol. 353. Verlagsschriftenreihe des Heinz Nixdorf Instituts, Paderborn,
2016.
mla: Cord-Landwehr, Andreas. Selfish Network Creation - On Variants of Network
Creation Games. Verlagsschriftenreihe des Heinz Nixdorf Instituts, Paderborn,
2016.
short: A. Cord-Landwehr, Selfish Network Creation - On Variants of Network Creation
Games, Verlagsschriftenreihe des Heinz Nixdorf Instituts, Paderborn, 2016.
date_created: 2017-10-17T12:41:22Z
date_updated: 2022-01-06T06:52:23Z
ddc:
- '040'
department:
- _id: '63'
- _id: '26'
file:
- access_level: closed
content_type: application/pdf
creator: florida
date_created: 2018-03-21T12:52:03Z
date_updated: 2018-03-21T12:52:03Z
file_id: '1551'
file_name: 154-dissertation.pdf
file_size: 800101
relation: main_file
success: 1
file_date_updated: 2018-03-21T12:52:03Z
has_accepted_license: '1'
intvolume: ' 353'
language:
- iso: eng
project:
- _id: '1'
name: SFB 901
- _id: '5'
name: SFB 901 - Subprojekt A1
- _id: '2'
name: SFB 901 - Project Area A
publication_identifier:
isbn:
- 978-3-942647-72-4
publisher: Verlagsschriftenreihe des Heinz Nixdorf Instituts, Paderborn
related_material:
link:
- relation: confirmation
url: http://nbn-resolving.de/urn:nbn:de:hbz:466:2-24089
series_title: Verlagsschriftenreihe des Heinz Nixdorf Instituts, Paderborn
status: public
supervisor:
- first_name: Friedhelm
full_name: Meyer auf der Heide, Friedhelm
id: '15523'
last_name: Meyer auf der Heide
title: Selfish Network Creation - On Variants of Network Creation Games
type: dissertation
user_id: '5786'
volume: 353
year: '2016'
...
---
_id: '157'
abstract:
- lang: eng
text: Consider a scheduling problem in which a set of jobs with interjob communication,
canonically represented by a weighted tree, needs to be scheduled on m parallel
processors interconnected by a shared communication channel. In each time step,
we may allow any processed job to use a certain capacity of the channel in order
to satisfy (parts of) its communication demands to adjacent jobs processed in
parallel. The goal is to find a schedule that minimizes the makespan and in which
communication demands of all jobs are satisfied.We show that this problem is NP-hard
in the strong sense even if the number of processors and the maximum degree of
the underlying tree is constant.Consequently, we design and analyze simple approximation
algorithms with asymptotic approximation ratio 2-2/m in case of paths and a ratio
of 5/2 in case of arbitrary trees.
author:
- first_name: Jürgen
full_name: König, Jürgen
last_name: König
- first_name: Alexander
full_name: Mäcker, Alexander
id: '13536'
last_name: Mäcker
- first_name: Friedhelm
full_name: Meyer auf der Heide, Friedhelm
id: '15523'
last_name: Meyer auf der Heide
- first_name: Sören
full_name: Riechers, Sören
last_name: Riechers
citation:
ama: 'König J, Mäcker A, Meyer auf der Heide F, Riechers S. Scheduling with Interjob
Communication on Parallel Processors. In: Proceedings of the 10th Annual International
Conference on Combinatorial Optimization and Applications (COCOA). LNCS. ;
2016:563--577. doi:10.1007/978-3-319-48749-6_41'
apa: König, J., Mäcker, A., Meyer auf der Heide, F., & Riechers, S. (2016).
Scheduling with Interjob Communication on Parallel Processors. In Proceedings
of the 10th Annual International Conference on Combinatorial Optimization and
Applications (COCOA) (pp. 563--577). https://doi.org/10.1007/978-3-319-48749-6_41
bibtex: '@inproceedings{König_Mäcker_Meyer auf der Heide_Riechers_2016, series={LNCS},
title={Scheduling with Interjob Communication on Parallel Processors}, DOI={10.1007/978-3-319-48749-6_41},
booktitle={Proceedings of the 10th Annual International Conference on Combinatorial
Optimization and Applications (COCOA)}, author={König, Jürgen and Mäcker, Alexander
and Meyer auf der Heide, Friedhelm and Riechers, Sören}, year={2016}, pages={563--577},
collection={LNCS} }'
chicago: König, Jürgen, Alexander Mäcker, Friedhelm Meyer auf der Heide, and Sören
Riechers. “Scheduling with Interjob Communication on Parallel Processors.” In
Proceedings of the 10th Annual International Conference on Combinatorial Optimization
and Applications (COCOA), 563--577. LNCS, 2016. https://doi.org/10.1007/978-3-319-48749-6_41.
ieee: J. König, A. Mäcker, F. Meyer auf der Heide, and S. Riechers, “Scheduling
with Interjob Communication on Parallel Processors,” in Proceedings of the
10th Annual International Conference on Combinatorial Optimization and Applications
(COCOA), 2016, pp. 563--577.
mla: König, Jürgen, et al. “Scheduling with Interjob Communication on Parallel Processors.”
Proceedings of the 10th Annual International Conference on Combinatorial Optimization
and Applications (COCOA), 2016, pp. 563--577, doi:10.1007/978-3-319-48749-6_41.
short: 'J. König, A. Mäcker, F. Meyer auf der Heide, S. Riechers, in: Proceedings
of the 10th Annual International Conference on Combinatorial Optimization and
Applications (COCOA), 2016, pp. 563--577.'
date_created: 2017-10-17T12:41:22Z
date_updated: 2022-01-06T06:52:32Z
ddc:
- '040'
department:
- _id: '63'
doi: 10.1007/978-3-319-48749-6_41
file:
- access_level: closed
content_type: application/pdf
creator: florida
date_created: 2018-03-21T12:50:29Z
date_updated: 2018-03-21T12:50:29Z
file_id: '1549'
file_name: 157-chp_3A10.1007_2F978-3-319-48749-6_41.pdf
file_size: 753147
relation: main_file
success: 1
file_date_updated: 2018-03-21T12:50:29Z
has_accepted_license: '1'
page: 563--577
project:
- _id: '1'
name: SFB 901
- _id: '16'
name: SFB 901 - Subprojekt C4
- _id: '4'
name: SFB 901 - Project Area C
publication: Proceedings of the 10th Annual International Conference on Combinatorial
Optimization and Applications (COCOA)
series_title: LNCS
status: public
title: Scheduling with Interjob Communication on Parallel Processors
type: conference
user_id: '15504'
year: '2016'
...
---
_id: '159'
abstract:
- lang: eng
text: Abstract—Max-min fairness (MMF) is a widely known approachto a fair allocation
of bandwidth to each of the usersin a network. This allocation can be computed
by uniformlyraising the bandwidths of all users without violating capacityconstraints.
We consider an extension of these allocations byraising the bandwidth with arbitrary
and not necessarily uniformtime-depending velocities (allocation rates). These
allocationsare used in a game-theoretic context for routing choices, whichwe formalize
in progressive filling games (PFGs). We present avariety of results for equilibria
in PFGs. We show that these gamespossess pure Nash and strong equilibria. While
computation ingeneral is NP-hard, there are polynomial-time algorithms forprominent
classes of Max-Min-Fair Games (MMFG), includingthe case when all users have the
same source-destination pair.We characterize prices of anarchy and stability for
pure Nashand strong equilibria in PFGs and MMFGs when players havedifferent or
the same source-destination pairs. In addition, weshow that when a designer can
adjust allocation rates, it is possibleto design games with optimal strong equilibria.
Some initial resultson polynomial-time algorithms in this direction are also derived.
author:
- first_name: Tobias
full_name: Harks, Tobias
last_name: Harks
- first_name: Martin
full_name: Höfer, Martin
last_name: Höfer
- first_name: Kevin
full_name: Schewior, Kevin
last_name: Schewior
- first_name: Alexander
full_name: Skopalik, Alexander
id: '40384'
last_name: Skopalik
citation:
ama: Harks T, Höfer M, Schewior K, Skopalik A. Routing Games With Progressive Filling.
IEEE/ACM Transactions on Networking. 2016;(4):2553-2562. doi:10.1109/TNET.2015.2468571
apa: Harks, T., Höfer, M., Schewior, K., & Skopalik, A. (2016). Routing Games
With Progressive Filling. IEEE/ACM Transactions on Networking, (4), 2553–2562.
https://doi.org/10.1109/TNET.2015.2468571
bibtex: '@article{Harks_Höfer_Schewior_Skopalik_2016, title={Routing Games With
Progressive Filling}, DOI={10.1109/TNET.2015.2468571},
number={4}, journal={IEEE/ACM Transactions on Networking}, publisher={IEEE}, author={Harks,
Tobias and Höfer, Martin and Schewior, Kevin and Skopalik, Alexander}, year={2016},
pages={2553–2562} }'
chicago: 'Harks, Tobias, Martin Höfer, Kevin Schewior, and Alexander Skopalik. “Routing
Games With Progressive Filling.” IEEE/ACM Transactions on Networking, no.
4 (2016): 2553–62. https://doi.org/10.1109/TNET.2015.2468571.'
ieee: T. Harks, M. Höfer, K. Schewior, and A. Skopalik, “Routing Games With Progressive
Filling,” IEEE/ACM Transactions on Networking, no. 4, pp. 2553–2562, 2016.
mla: Harks, Tobias, et al. “Routing Games With Progressive Filling.” IEEE/ACM
Transactions on Networking, no. 4, IEEE, 2016, pp. 2553–62, doi:10.1109/TNET.2015.2468571.
short: T. Harks, M. Höfer, K. Schewior, A. Skopalik, IEEE/ACM Transactions on Networking
(2016) 2553–2562.
date_created: 2017-10-17T12:41:23Z
date_updated: 2022-01-06T06:52:40Z
ddc:
- '040'
department:
- _id: '63'
- _id: '541'
doi: 10.1109/TNET.2015.2468571
file:
- access_level: closed
content_type: application/pdf
creator: florida
date_created: 2018-03-21T12:48:02Z
date_updated: 2018-03-21T12:48:02Z
file_id: '1547'
file_name: 159-Harks-Hoefer-Schewior-Skopalik2016.pdf
file_size: 1655309
relation: main_file
success: 1
file_date_updated: 2018-03-21T12:48:02Z
has_accepted_license: '1'
issue: '4'
language:
- iso: eng
page: 2553 - 2562
project:
- _id: '1'
name: SFB 901
- _id: '7'
name: SFB 901 - Subprojekt A3
- _id: '2'
name: SFB 901 - Project Area A
publication: IEEE/ACM Transactions on Networking
publisher: IEEE
status: public
title: Routing Games With Progressive Filling
type: journal_article
user_id: '477'
year: '2016'
...
---
_id: '149'
abstract:
- lang: eng
text: 'In this paper we consider a strategic variant of the online facility location
problem. Given is a graph in which each node serves two roles: it is a strategic
client stating requests as well as a potential location for a facility. In each
time step one client states a request which induces private costs equal to the
distance to the closest facility. Before serving, the clients may collectively
decide to open new facilities, sharing the corresponding price. Instead of optimizing
the global costs, each client acts selfishly. The prices of new facilities vary
between nodes and also change over time, but are always bounded by some fixed
value α. Both the requests as well as the facility prices are given by an online
sequence and are not known in advance.We characterize the optimal strategies of
the clients and analyze their overall performance in comparison to a centralized
offline solution. If all players optimize their own competitiveness, the global
performance of the system is O(√α⋅α) times worse than the offline optimum. A restriction
to a natural subclass of strategies improves this result to O(α). We also show
that for fixed facility costs, we can find strategies such that this bound further
improves to O(√α).'
author:
- first_name: Maximilian
full_name: Drees, Maximilian
last_name: Drees
- first_name: Björn
full_name: Feldkord, Björn
id: '22704'
last_name: Feldkord
- first_name: Alexander
full_name: Skopalik, Alexander
id: '40384'
last_name: Skopalik
citation:
ama: 'Drees M, Feldkord B, Skopalik A. Strategic Online Facility Location. In: Proceedings
of the 10th Annual International Conference on Combinatorial Optimization and
Applications (COCOA). LNCS. ; 2016:593--607. doi:10.1007/978-3-319-48749-6_43'
apa: Drees, M., Feldkord, B., & Skopalik, A. (2016). Strategic Online Facility
Location. In Proceedings of the 10th Annual International Conference on Combinatorial
Optimization and Applications (COCOA) (pp. 593--607). https://doi.org/10.1007/978-3-319-48749-6_43
bibtex: '@inproceedings{Drees_Feldkord_Skopalik_2016, series={LNCS}, title={Strategic
Online Facility Location}, DOI={10.1007/978-3-319-48749-6_43},
booktitle={Proceedings of the 10th Annual International Conference on Combinatorial
Optimization and Applications (COCOA)}, author={Drees, Maximilian and Feldkord,
Björn and Skopalik, Alexander}, year={2016}, pages={593--607}, collection={LNCS}
}'
chicago: Drees, Maximilian, Björn Feldkord, and Alexander Skopalik. “Strategic Online
Facility Location.” In Proceedings of the 10th Annual International Conference
on Combinatorial Optimization and Applications (COCOA), 593--607. LNCS, 2016.
https://doi.org/10.1007/978-3-319-48749-6_43.
ieee: M. Drees, B. Feldkord, and A. Skopalik, “Strategic Online Facility Location,”
in Proceedings of the 10th Annual International Conference on Combinatorial
Optimization and Applications (COCOA), 2016, pp. 593--607.
mla: Drees, Maximilian, et al. “Strategic Online Facility Location.” Proceedings
of the 10th Annual International Conference on Combinatorial Optimization and
Applications (COCOA), 2016, pp. 593--607, doi:10.1007/978-3-319-48749-6_43.
short: 'M. Drees, B. Feldkord, A. Skopalik, in: Proceedings of the 10th Annual International
Conference on Combinatorial Optimization and Applications (COCOA), 2016, pp. 593--607.'
date_created: 2017-10-17T12:41:21Z
date_updated: 2022-01-06T06:52:10Z
ddc:
- '040'
department:
- _id: '63'
- _id: '541'
doi: 10.1007/978-3-319-48749-6_43
file:
- access_level: closed
content_type: application/pdf
creator: florida
date_created: 2018-03-21T12:55:43Z
date_updated: 2018-03-21T12:55:43Z
file_id: '1553'
file_name: 149-chp_3A10.1007_2F978-3-319-48749-6_43.pdf
file_size: 236253
relation: main_file
success: 1
file_date_updated: 2018-03-21T12:55:43Z
has_accepted_license: '1'
language:
- iso: eng
page: 593--607
project:
- _id: '1'
name: SFB 901
- _id: '5'
name: SFB 901 - Subprojekt A1
- _id: '7'
name: SFB 901 - Subproject A3
- _id: '2'
name: SFB 901 - Project Area A
publication: Proceedings of the 10th Annual International Conference on Combinatorial
Optimization and Applications (COCOA)
series_title: LNCS
status: public
title: Strategic Online Facility Location
type: conference
user_id: '477'
year: '2016'
...
---
_id: '163'
citation:
ama: Dressler F, Meyer auf der Heide F, eds. Proceedings of the 17th ACM International
Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc). ACM; 2016.
doi:10.1145/2942358
apa: 'Dressler, F., & Meyer auf der Heide, F. (Eds.). (2016). Proceedings
of the 17th ACM International Symposium on Mobile Ad Hoc Networking and Computing
(MobiHoc). Presented at the MobiHoc, Paderborn, Germany: ACM. https://doi.org/10.1145/2942358'
bibtex: '@book{Dressler_Meyer auf der Heide_2016, title={Proceedings of the 17th
ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc)},
DOI={10.1145/2942358}, publisher={ACM},
year={2016} }'
chicago: Dressler, Falko, and Friedhelm Meyer auf der Heide, eds. Proceedings
of the 17th ACM International Symposium on Mobile Ad Hoc Networking and Computing
(MobiHoc). ACM, 2016. https://doi.org/10.1145/2942358.
ieee: F. Dressler and F. Meyer auf der Heide, Eds., Proceedings of the 17th ACM
International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc).
ACM, 2016.
mla: Dressler, Falko, and Friedhelm Meyer auf der Heide, editors. Proceedings
of the 17th ACM International Symposium on Mobile Ad Hoc Networking and Computing
(MobiHoc). ACM, 2016, doi:10.1145/2942358.
short: F. Dressler, F. Meyer auf der Heide, eds., Proceedings of the 17th ACM International
Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc), ACM, 2016.
conference:
end_date: 2016-07-08
location: Paderborn, Germany
name: MobiHoc
start_date: 2016-07-04
date_created: 2017-10-17T12:41:23Z
date_updated: 2022-01-06T06:52:48Z
department:
- _id: '63'
doi: 10.1145/2942358
editor:
- first_name: Falko
full_name: Dressler, Falko
last_name: Dressler
- first_name: Friedhelm
full_name: Meyer auf der Heide, Friedhelm
id: '15523'
last_name: Meyer auf der Heide
project:
- _id: '1'
name: SFB 901
- _id: '16'
name: SFB 901 - Subprojekt C4
- _id: '4'
name: SFB 901 - Project Area C
publisher: ACM
status: public
title: Proceedings of the 17th ACM International Symposium on Mobile Ad Hoc Networking
and Computing (MobiHoc)
type: conference_editor
user_id: '15504'
year: '2016'
...
---
_id: '16351'
abstract:
- lang: eng
text: "Defining, measuring, and comparing the quality and efficiency of rendering
algorithms in computer graphics is a demanding challenge: quality measures are
often application specific and efficiency is strongly influenced by properties
of the rendered scene and the used hardware. We survey the currently employed
evaluation methods for AQ1 the development process of rendering algorithms. Then,
we present our PADrend framework, which supports systematic and flexible development,
evaluation, adaptation, and comparison of rendering algorithms, and provides a
comfortable and easy-to-use platform for developers of rendering algorithms. The
system includes a new evaluation method to improve the objectivity of experimental
evaluations of rendering algorithms.\r\n"
author:
- first_name: Matthias
full_name: Fischer, Matthias
id: '146'
last_name: Fischer
- first_name: Claudius
full_name: Jähn, Claudius
last_name: Jähn
- first_name: Friedhelm
full_name: Meyer auf der Heide, Friedhelm
id: '15523'
last_name: Meyer auf der Heide
- first_name: Ralf
full_name: Petring, Ralf
last_name: Petring
citation:
ama: 'Fischer M, Jähn C, Meyer auf der Heide F, Petring R. Algorithm Engineering
Aspects of Real-Time Rendering Algorithms. In: Kliemann L, Sanders P, eds. Algorithm
Engineering. Vol 9220. LNCS. Springer; 2016:226-244. doi:10.1007/978-3-319-49487-6_7 '
apa: Fischer, M., Jähn, C., Meyer auf der Heide, F., & Petring, R. (2016). Algorithm
Engineering Aspects of Real-Time Rendering Algorithms. In L. Kliemann & P.
Sanders (Eds.), Algorithm Engineering (Vol. 9220, pp. 226–244). Springer.
https://doi.org/10.1007/978-3-319-49487-6_7
bibtex: '@inproceedings{Fischer_Jähn_Meyer auf der Heide_Petring_2016, series={LNCS},
title={Algorithm Engineering Aspects of Real-Time Rendering Algorithms}, volume={9220},
DOI={10.1007/978-3-319-49487-6_7
}, booktitle={Algorithm Engineering}, publisher={Springer}, author={Fischer,
Matthias and Jähn, Claudius and Meyer auf der Heide, Friedhelm and Petring, Ralf},
editor={Kliemann, Lasse and Sanders, PeterEditors}, year={2016}, pages={226–244},
collection={LNCS} }'
chicago: Fischer, Matthias, Claudius Jähn, Friedhelm Meyer auf der Heide, and Ralf
Petring. “Algorithm Engineering Aspects of Real-Time Rendering Algorithms.” In
Algorithm Engineering, edited by Lasse Kliemann and Peter Sanders, 9220:226–44.
LNCS. Springer, 2016. https://doi.org/10.1007/978-3-319-49487-6_7
.
ieee: M. Fischer, C. Jähn, F. Meyer auf der Heide, and R. Petring, “Algorithm Engineering
Aspects of Real-Time Rendering Algorithms,” in Algorithm Engineering, 2016,
vol. 9220, pp. 226–244.
mla: Fischer, Matthias, et al. “Algorithm Engineering Aspects of Real-Time Rendering
Algorithms.” Algorithm Engineering, edited by Lasse Kliemann and Peter
Sanders, vol. 9220, Springer, 2016, pp. 226–44, doi:10.1007/978-3-319-49487-6_7 .
short: 'M. Fischer, C. Jähn, F. Meyer auf der Heide, R. Petring, in: L. Kliemann,
P. Sanders (Eds.), Algorithm Engineering, Springer, 2016, pp. 226–244.'
date_created: 2020-03-30T10:21:53Z
date_updated: 2022-01-06T06:52:49Z
department:
- _id: '63'
doi: '10.1007/978-3-319-49487-6_7 '
editor:
- first_name: Lasse
full_name: Kliemann, Lasse
last_name: Kliemann
- first_name: Peter
full_name: Sanders, Peter
last_name: Sanders
intvolume: ' 9220'
language:
- iso: eng
page: 226-244
publication: Algorithm Engineering
publisher: Springer
series_title: LNCS
status: public
title: Algorithm Engineering Aspects of Real-Time Rendering Algorithms
type: conference
user_id: '15415'
volume: 9220
year: '2016'
...
---
_id: '16358'
author:
- first_name: Shouwei
full_name: Li, Shouwei
last_name: Li
- first_name: Friedhelm
full_name: Meyer auf der Heide, Friedhelm
id: '15523'
last_name: Meyer auf der Heide
- first_name: Pavel
full_name: Podlipyan, Pavel
last_name: Podlipyan
citation:
ama: 'Li S, Meyer auf der Heide F, Podlipyan P. The impact of the Gabriel subgraph
of the visibility graph on the gathering of mobile autonomous robots. In: Algorithms
for Sensor Systems, Proceedings of the 12th International Symposium on Algorithms
and Experiments for Wireless Sensor Networks (ALGOSENSORS). Springer; 2016.
doi:10.1007/978-3-319-53058-1_5
'
apa: Li, S., Meyer auf der Heide, F., & Podlipyan, P. (2016). The impact of
the Gabriel subgraph of the visibility graph on the gathering of mobile autonomous
robots. In Algorithms for Sensor Systems, Proceedings of the 12th International
Symposium on Algorithms and Experiments for Wireless Sensor Networks (ALGOSENSORS).
Springer. https://doi.org/10.1007/978-3-319-53058-1_5
bibtex: '@inproceedings{Li_Meyer auf der Heide_Podlipyan_2016, title={The impact
of the Gabriel subgraph of the visibility graph on the gathering of mobile autonomous
robots}, DOI={10.1007/978-3-319-53058-1_5
}, booktitle={Algorithms for Sensor Systems, Proceedings of the 12th International
Symposium on Algorithms and Experiments for Wireless Sensor Networks (ALGOSENSORS)},
publisher={Springer}, author={Li, Shouwei and Meyer auf der Heide, Friedhelm and
Podlipyan, Pavel}, year={2016} }'
chicago: Li, Shouwei, Friedhelm Meyer auf der Heide, and Pavel Podlipyan. “The Impact
of the Gabriel Subgraph of the Visibility Graph on the Gathering of Mobile Autonomous
Robots.” In Algorithms for Sensor Systems, Proceedings of the 12th International
Symposium on Algorithms and Experiments for Wireless Sensor Networks (ALGOSENSORS).
Springer, 2016. https://doi.org/10.1007/978-3-319-53058-1_5
.
ieee: S. Li, F. Meyer auf der Heide, and P. Podlipyan, “The impact of the Gabriel
subgraph of the visibility graph on the gathering of mobile autonomous robots,”
in Algorithms for Sensor Systems, Proceedings of the 12th International Symposium
on Algorithms and Experiments for Wireless Sensor Networks (ALGOSENSORS),
2016.
mla: Li, Shouwei, et al. “The Impact of the Gabriel Subgraph of the Visibility Graph
on the Gathering of Mobile Autonomous Robots.” Algorithms for Sensor Systems,
Proceedings of the 12th International Symposium on Algorithms and Experiments
for Wireless Sensor Networks (ALGOSENSORS), Springer, 2016, doi:10.1007/978-3-319-53058-1_5 .
short: 'S. Li, F. Meyer auf der Heide, P. Podlipyan, in: Algorithms for Sensor Systems,
Proceedings of the 12th International Symposium on Algorithms and Experiments
for Wireless Sensor Networks (ALGOSENSORS), Springer, 2016.'
date_created: 2020-04-01T12:28:09Z
date_updated: 2022-01-06T06:52:49Z
department:
- _id: '63'
doi: '10.1007/978-3-319-53058-1_5 '
language:
- iso: eng
publication: Algorithms for Sensor Systems, Proceedings of the 12th International
Symposium on Algorithms and Experiments for Wireless Sensor Networks (ALGOSENSORS)
publisher: Springer
status: public
title: The impact of the Gabriel subgraph of the visibility graph on the gathering
of mobile autonomous robots
type: conference
user_id: '15415'
year: '2016'
...
---
_id: '16359'
abstract:
- lang: eng
text: In this paper, we solve the local gathering problem of a swarm of n indistinguishable,
point-shaped robots on a two dimensional grid in asymptotically optimal time O(n)
in the fully synchronous FSYNC time model. Given an arbitrarily distributed (yet
connected) swarm of robots, the gathering problem on the grid is to locate all
robots within a 2x2- sized area that is not known beforehand. Two robots are connected
if they are vertical or horizontal neighbors on the grid. The locality constraint
means that no global control, no compass, no global communication and only local
vision is available; hence, a robot can only see its grid neighbors up to a constant
L1-distance, which also limits its movements. A robot can move to one of its eight
neighboring grid cells and if two or more robots move to the same location they
are merged to be only one robot. The locality constraint is the significant challenging
issue here, since robot move- ments must not harm the (only globally checkable)
swarm connectivity. For solving the gathering problem, we provide a synchronous
algorithm { executed by every robot { which ensures that robots merge without
breaking the swarm con- nectivity. In our model, robots can obtain a special state,
which marks such a robot to be performing specific connec- tivity preserving movements
in order to allow later merge operations of the swarm. Compared to the grid, for
gath- ering in the Euclidean plane for the same robot and time model the best
known upper bound is O(n^2).
author:
- first_name: Andreas
full_name: Cord-Landwehr, Andreas
last_name: Cord-Landwehr
- first_name: Matthias
full_name: Fischer, Matthias
id: '146'
last_name: Fischer
- first_name: Daniel
full_name: Jung, Daniel
id: '37827'
last_name: Jung
- first_name: Friedhelm
full_name: Meyer auf der Heide, Friedhelm
id: '15523'
last_name: Meyer auf der Heide
citation:
ama: 'Cord-Landwehr A, Fischer M, Jung D, Meyer auf der Heide F. Asymptotically
Optimal Gathering on a Grid. In: Proceedings of the 28th ACM Symposium on Parallelism
in Algorithms and Architectures (SPAA). ACM; 2016:301-312. doi:10.1145/2935764.2935789'
apa: Cord-Landwehr, A., Fischer, M., Jung, D., & Meyer auf der Heide, F. (2016).
Asymptotically Optimal Gathering on a Grid. In Proceedings of the 28th ACM
Symposium on Parallelism in Algorithms and Architectures (SPAA) (pp. 301–312).
ACM. https://doi.org/10.1145/2935764.2935789
bibtex: '@inproceedings{Cord-Landwehr_Fischer_Jung_Meyer auf der Heide_2016, title={Asymptotically
Optimal Gathering on a Grid}, DOI={10.1145/2935764.2935789},
booktitle={Proceedings of the 28th ACM Symposium on Parallelism in Algorithms
and Architectures (SPAA)}, publisher={ACM}, author={Cord-Landwehr, Andreas and
Fischer, Matthias and Jung, Daniel and Meyer auf der Heide, Friedhelm}, year={2016},
pages={301–312} }'
chicago: Cord-Landwehr, Andreas, Matthias Fischer, Daniel Jung, and Friedhelm Meyer
auf der Heide. “Asymptotically Optimal Gathering on a Grid.” In Proceedings
of the 28th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA),
301–12. ACM, 2016. https://doi.org/10.1145/2935764.2935789.
ieee: A. Cord-Landwehr, M. Fischer, D. Jung, and F. Meyer auf der Heide, “Asymptotically
Optimal Gathering on a Grid,” in Proceedings of the 28th ACM Symposium on Parallelism
in Algorithms and Architectures (SPAA), 2016, pp. 301–312.
mla: Cord-Landwehr, Andreas, et al. “Asymptotically Optimal Gathering on a Grid.”
Proceedings of the 28th ACM Symposium on Parallelism in Algorithms and Architectures
(SPAA), ACM, 2016, pp. 301–12, doi:10.1145/2935764.2935789.
short: 'A. Cord-Landwehr, M. Fischer, D. Jung, F. Meyer auf der Heide, in: Proceedings
of the 28th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA),
ACM, 2016, pp. 301–312.'
date_created: 2020-04-01T12:46:35Z
date_updated: 2022-01-06T06:52:49Z
department:
- _id: '63'
doi: 10.1145/2935764.2935789
language:
- iso: eng
page: 301-312
publication: Proceedings of the 28th ACM Symposium on Parallelism in Algorithms and
Architectures (SPAA)
publisher: ACM
status: public
title: Asymptotically Optimal Gathering on a Grid
type: conference
user_id: '15415'
year: '2016'
...
---
_id: '16360'
abstract:
- lang: eng
text: 'We consider the following variant of the two dimensional gathering problem
for swarms of robots: Given a swarm of n indistinguishable, point shaped robots
on a two dimensional grid. Initially, the robots form a closed chain on the grid
and must keep this connectivity during the whole process of their gathering. Connectivity
means, that neighboring robots of the chain need to be positioned at the same
or neighboring points of the grid. In our model, gathering means to keep shortening
the chain until the robots are located inside a 2*2 subgrid. Our model is completely
local (no global control, no global coordinates, no compass, no global communication
or vision, ...). Each robot can only see its next constant number of left and
right neighbors on the chain. This fixed constant is called the viewing path length.
All its operations and detections are restricted to this constant number of robots.
Other robots, even if located at neighboring or the same grid point cannot be
detected. Only based on the relative positions of its detectable chain neighbors,
a robot can decide to obtain a certain state. Based on this state and their local
knowledge, the robots do local modifications to the chain by moving to neighboring
grid points without breaking the chain. These modifications are performed without
the knowledge whether they lead to a global progress or not. We assume the fully
synchronous FSYNC model. For this problem, we present a gathering algorithm which
needs linear time. This result generalizes a result, where an open chain with
specified distinguishable (and fixed) endpoints is considered. '
author:
- first_name: Sebastian
full_name: Abshoff, Sebastian
last_name: Abshoff
- first_name: Andreas
full_name: Cord-Landwehr, Andreas
last_name: Cord-Landwehr
- first_name: Matthias
full_name: Fischer, Matthias
id: '146'
last_name: Fischer
- first_name: Daniel
full_name: Jung, Daniel
id: '37827'
last_name: Jung
- first_name: Friedhelm
full_name: Meyer auf der Heide, Friedhelm
id: '15523'
last_name: Meyer auf der Heide
citation:
ama: 'Abshoff S, Cord-Landwehr A, Fischer M, Jung D, Meyer auf der Heide F. Gathering
a Closed Chain of Robots on a Grid. In: Proceedings of the 30th International
Parallel and Distributed Processing Symposium (IPDPS). IEEE; 2016:689-699.
doi:10.1109/IPDPS.2016.51'
apa: Abshoff, S., Cord-Landwehr, A., Fischer, M., Jung, D., & Meyer auf der
Heide, F. (2016). Gathering a Closed Chain of Robots on a Grid. In Proceedings
of the 30th International Parallel and Distributed Processing Symposium (IPDPS)
(pp. 689–699). IEEE. https://doi.org/10.1109/IPDPS.2016.51
bibtex: '@inproceedings{Abshoff_Cord-Landwehr_Fischer_Jung_Meyer auf der Heide_2016,
title={Gathering a Closed Chain of Robots on a Grid}, DOI={10.1109/IPDPS.2016.51},
booktitle={Proceedings of the 30th International Parallel and Distributed Processing
Symposium (IPDPS)}, publisher={IEEE}, author={Abshoff, Sebastian and Cord-Landwehr,
Andreas and Fischer, Matthias and Jung, Daniel and Meyer auf der Heide, Friedhelm},
year={2016}, pages={689–699} }'
chicago: Abshoff, Sebastian, Andreas Cord-Landwehr, Matthias Fischer, Daniel Jung,
and Friedhelm Meyer auf der Heide. “Gathering a Closed Chain of Robots on a Grid.”
In Proceedings of the 30th International Parallel and Distributed Processing
Symposium (IPDPS), 689–99. IEEE, 2016. https://doi.org/10.1109/IPDPS.2016.51.
ieee: S. Abshoff, A. Cord-Landwehr, M. Fischer, D. Jung, and F. Meyer auf der Heide,
“Gathering a Closed Chain of Robots on a Grid,” in Proceedings of the 30th
International Parallel and Distributed Processing Symposium (IPDPS), 2016,
pp. 689–699.
mla: Abshoff, Sebastian, et al. “Gathering a Closed Chain of Robots on a Grid.”
Proceedings of the 30th International Parallel and Distributed Processing Symposium
(IPDPS), IEEE, 2016, pp. 689–99, doi:10.1109/IPDPS.2016.51.
short: 'S. Abshoff, A. Cord-Landwehr, M. Fischer, D. Jung, F. Meyer auf der Heide,
in: Proceedings of the 30th International Parallel and Distributed Processing
Symposium (IPDPS), IEEE, 2016, pp. 689–699.'
date_created: 2020-04-01T12:56:43Z
date_updated: 2022-01-06T06:52:49Z
department:
- _id: '63'
doi: 10.1109/IPDPS.2016.51
language:
- iso: eng
page: 689-699
publication: Proceedings of the 30th International Parallel and Distributed Processing
Symposium (IPDPS)
publisher: IEEE
status: public
title: Gathering a Closed Chain of Robots on a Grid
type: conference
user_id: '15415'
year: '2016'
...
---
_id: '16364'
author:
- first_name: Alexander
full_name: Macker, Alexander
last_name: Macker
- first_name: Manuel
full_name: Malatyali, Manuel
last_name: Malatyali
- first_name: Friedhelm
full_name: Meyer auf der Heide, Friedhelm
id: '15523'
last_name: Meyer auf der Heide
citation:
ama: 'Macker A, Malatyali M, Meyer auf der Heide F. On Competitive Algorithms for
Approximations of Top-k-Position Monitoring of Distributed Streams. In: 2016
IEEE International Parallel and Distributed Processing Symposium (IPDPS).
; 2016. doi:10.1109/ipdps.2016.91'
apa: Macker, A., Malatyali, M., & Meyer auf der Heide, F. (2016). On Competitive
Algorithms for Approximations of Top-k-Position Monitoring of Distributed Streams.
In 2016 IEEE International Parallel and Distributed Processing Symposium (IPDPS).
https://doi.org/10.1109/ipdps.2016.91
bibtex: '@inproceedings{Macker_Malatyali_Meyer auf der Heide_2016, title={On Competitive
Algorithms for Approximations of Top-k-Position Monitoring of Distributed Streams},
DOI={10.1109/ipdps.2016.91},
booktitle={2016 IEEE International Parallel and Distributed Processing Symposium
(IPDPS)}, author={Macker, Alexander and Malatyali, Manuel and Meyer auf der Heide,
Friedhelm}, year={2016} }'
chicago: Macker, Alexander, Manuel Malatyali, and Friedhelm Meyer auf der Heide.
“On Competitive Algorithms for Approximations of Top-k-Position Monitoring of
Distributed Streams.” In 2016 IEEE International Parallel and Distributed Processing
Symposium (IPDPS), 2016. https://doi.org/10.1109/ipdps.2016.91.
ieee: A. Macker, M. Malatyali, and F. Meyer auf der Heide, “On Competitive Algorithms
for Approximations of Top-k-Position Monitoring of Distributed Streams,” in 2016
IEEE International Parallel and Distributed Processing Symposium (IPDPS),
2016.
mla: Macker, Alexander, et al. “On Competitive Algorithms for Approximations of
Top-k-Position Monitoring of Distributed Streams.” 2016 IEEE International
Parallel and Distributed Processing Symposium (IPDPS), 2016, doi:10.1109/ipdps.2016.91.
short: 'A. Macker, M. Malatyali, F. Meyer auf der Heide, in: 2016 IEEE International
Parallel and Distributed Processing Symposium (IPDPS), 2016.'
date_created: 2020-04-02T10:14:25Z
date_updated: 2022-01-06T06:52:49Z
department:
- _id: '63'
doi: 10.1109/ipdps.2016.91
language:
- iso: eng
publication: 2016 IEEE International Parallel and Distributed Processing Symposium
(IPDPS)
publication_identifier:
isbn:
- '9781509021406'
publication_status: published
status: public
title: On Competitive Algorithms for Approximations of Top-k-Position Monitoring of
Distributed Streams
type: conference
user_id: '15415'
year: '2016'
...
---
_id: '16396'
abstract:
- lang: eng
text: "We consider a scheduling problem where machines need to be rented from the\r\ncloud
in order to process jobs. There are two types of machines available which\r\ncan
be rented for machine-type dependent prices and for arbitrary durations.\r\nHowever,
a machine-type dependent setup time is required before a machine is\r\navailable
for processing. Jobs arrive online over time, have machine-type\r\ndependent sizes
and have individual deadlines. The objective is to rent\r\nmachines and schedule
jobs so as to meet all deadlines while minimizing the\r\nrental cost.\r\n Since
we observe the slack of jobs to have a fundamental influence on the\r\ncompetitiveness,
we study the model when instances are parameterized by their\r\n(minimum) slack.
An instance is called to have a slack of $\\beta$ if, for all\r\njobs, the difference
between the job's release time and the latest point in\r\ntime at which it needs
to be started is at least $\\beta$. While for $\\beta < s$\r\nno finite competitiveness
is possible, our main result is an\r\n$O(\\frac{c}{\\varepsilon} + \\frac{1}{\\varepsilon^3})$-competitive
online\r\nalgorithm for $\\beta = (1+\\varepsilon)s$ with $\\frac{1}{s} \\leq
\\varepsilon\r\n\\leq 1$, where $s$ and $c$ denotes the largest setup time and
the cost ratio of\r\nthe machine-types, respectively. It is complemented by a
lower bound of\r\n$\\Omega(\\frac{c}{\\varepsilon})$."
author:
- first_name: Alexander
full_name: Mäcker, Alexander
id: '13536'
last_name: Mäcker
- first_name: Manuel
full_name: Malatyali, Manuel
last_name: Malatyali
- first_name: Friedhelm
full_name: Meyer auf der Heide, Friedhelm
id: '15523'
last_name: Meyer auf der Heide
- first_name: Sören
full_name: Riechers, Sören
last_name: Riechers
citation:
ama: Mäcker A, Malatyali M, Meyer auf der Heide F, Riechers S. Cost-efficient Scheduling
on Machines from the Cloud. arXiv:160901184. 2016.
apa: Mäcker, A., Malatyali, M., Meyer auf der Heide, F., & Riechers, S. (2016).
Cost-efficient Scheduling on Machines from the Cloud. ArXiv:1609.01184.
bibtex: '@article{Mäcker_Malatyali_Meyer auf der Heide_Riechers_2016, title={Cost-efficient
Scheduling on Machines from the Cloud}, journal={arXiv:1609.01184}, author={Mäcker,
Alexander and Malatyali, Manuel and Meyer auf der Heide, Friedhelm and Riechers,
Sören}, year={2016} }'
chicago: Mäcker, Alexander, Manuel Malatyali, Friedhelm Meyer auf der Heide, and
Sören Riechers. “Cost-Efficient Scheduling on Machines from the Cloud.” ArXiv:1609.01184,
2016.
ieee: A. Mäcker, M. Malatyali, F. Meyer auf der Heide, and S. Riechers, “Cost-efficient
Scheduling on Machines from the Cloud,” arXiv:1609.01184. 2016.
mla: Mäcker, Alexander, et al. “Cost-Efficient Scheduling on Machines from the Cloud.”
ArXiv:1609.01184, 2016.
short: A. Mäcker, M. Malatyali, F. Meyer auf der Heide, S. Riechers, ArXiv:1609.01184
(2016).
date_created: 2020-04-03T09:24:28Z
date_updated: 2022-01-06T06:52:50Z
department:
- _id: '63'
external_id:
arxiv:
- '1609.01184'
language:
- iso: eng
publication: arXiv:1609.01184
status: public
title: Cost-efficient Scheduling on Machines from the Cloud
type: preprint
user_id: '15415'
year: '2016'
...
---
_id: '139'
abstract:
- lang: eng
text: 'We consider online optimization problems in which certain goods have to be
acquired in order to provide a service or infrastructure. Classically, decisions
for such problems are considered as final: one buys the goods. However, in many
real world applications, there is a shift away from the idea of buying goods.
Instead, leasing is often a more flexible and lucrative business model. Research
has realized this shift and recently initiated the theoretical study of leasing
models (Anthony and Gupta in Proceedings of the integer programming and combinatorial
optimization: 12th International IPCO Conference, Ithaca, NY, USA, June 25–27,
2007; Meyerson in Proceedings of the 46th Annual IEEE Symposium on Foundations
of Computer Science (FOCS 2005), 23–25 Oct 2005, Pittsburgh, PA, USA, 2005; Nagarajan
and Williamson in Discret Optim 10(4):361–370, 2013) We extend this line of work
and suggest a more systematic study of leasing aspects for a class of online optimization
problems. We provide two major technical results. We introduce the leasing variant
of online set multicover and give an O(log(mK)logn)-competitive algorithm (with
n, m, and K being the number of elements, sets, and leases, respectively). Our
results also imply improvements for the non-leasing variant of online set cover.
Moreover, we extend results for the leasing variant of online facility location.
Nagarajan and Williamson (Discret Optim 10(4):361–370, 2013) gave an O(Klogn)-competitive
algorithm for this problem (with n and K being the number of clients and leases,
respectively). We remove the dependency on n (and, thereby, on time). In general,
this leads to a bound of O(lmaxloglmax) (with the maximal lease length lmax).
For many natural problem instances, the bound improves to O(K2).'
author:
- first_name: Sebastian
full_name: Abshoff, Sebastian
last_name: Abshoff
- first_name: Peter
full_name: Kling, Peter
last_name: Kling
- first_name: Christine
full_name: Markarian, Christine
id: '37612'
last_name: Markarian
- first_name: Friedhelm
full_name: Meyer auf der Heide, Friedhelm
id: '15523'
last_name: Meyer auf der Heide
- first_name: 'Peter '
full_name: 'Pietrzyk, Peter '
last_name: Pietrzyk
citation:
ama: Abshoff S, Kling P, Markarian C, Meyer auf der Heide F, Pietrzyk P. Towards
the price of leasing online. Journal of Combinatorial Optimization. 2016;(4):1197--1216.
doi:10.1007/s10878-015-9915-5
apa: Abshoff, S., Kling, P., Markarian, C., Meyer auf der Heide, F., & Pietrzyk,
P. (2016). Towards the price of leasing online. Journal of Combinatorial Optimization,
(4), 1197--1216. https://doi.org/10.1007/s10878-015-9915-5
bibtex: '@article{Abshoff_Kling_Markarian_Meyer auf der Heide_Pietrzyk_2016, title={Towards
the price of leasing online}, DOI={10.1007/s10878-015-9915-5},
number={4}, journal={Journal of Combinatorial Optimization}, publisher={Springer},
author={Abshoff, Sebastian and Kling, Peter and Markarian, Christine and Meyer
auf der Heide, Friedhelm and Pietrzyk, Peter }, year={2016}, pages={1197--1216}
}'
chicago: 'Abshoff, Sebastian, Peter Kling, Christine Markarian, Friedhelm Meyer
auf der Heide, and Peter Pietrzyk. “Towards the Price of Leasing Online.” Journal
of Combinatorial Optimization, no. 4 (2016): 1197--1216. https://doi.org/10.1007/s10878-015-9915-5.'
ieee: S. Abshoff, P. Kling, C. Markarian, F. Meyer auf der Heide, and P. Pietrzyk,
“Towards the price of leasing online,” Journal of Combinatorial Optimization,
no. 4, pp. 1197--1216, 2016.
mla: Abshoff, Sebastian, et al. “Towards the Price of Leasing Online.” Journal
of Combinatorial Optimization, no. 4, Springer, 2016, pp. 1197--1216, doi:10.1007/s10878-015-9915-5.
short: S. Abshoff, P. Kling, C. Markarian, F. Meyer auf der Heide, P. Pietrzyk,
Journal of Combinatorial Optimization (2016) 1197--1216.
date_created: 2017-10-17T12:41:18Z
date_updated: 2022-01-06T06:51:46Z
ddc:
- '000'
department:
- _id: '63'
doi: 10.1007/s10878-015-9915-5
file:
- access_level: closed
content_type: application/pdf
creator: ups
date_created: 2018-11-02T15:57:25Z
date_updated: 2018-11-02T15:57:25Z
file_id: '5318'
file_name: Abshoff-TowardsThePriceOfLeasingOnline.pdf
file_size: 654903
relation: main_file
success: 1
file_date_updated: 2018-11-02T15:57:25Z
has_accepted_license: '1'
issue: '4'
language:
- iso: eng
page: ' 1197--1216'
project:
- _id: '1'
name: SFB 901
- _id: '5'
name: SFB 901 - Subprojekt A1
- _id: '16'
name: SFB 901 - Subprojekt C4
- _id: '2'
name: SFB 901 - Project Area A
- _id: '4'
name: SFB 901 - Project Area C
publication: Journal of Combinatorial Optimization
publisher: Springer
status: public
title: Towards the price of leasing online
type: journal_article
user_id: '477'
year: '2016'
...
---
_id: '143'
abstract:
- lang: eng
text: 'We present an efficient parallel algorithm for the general Monotone Circuit
Value Problem (MCVP) with n gates and an underlying graph of bounded genus k.
Our algorithm generalizes a recent result by Limaye et al. who showed that MCVP
with toroidal embedding (genus 1) is in NC when the input contains a toroidal
embedding of the circuit. In addition to extending this result from genus 1 to
any bounded genus k, and unlike the work reported by Limaye et al., we do not
require a precomputed embedding to be given. Most importantly, our results imply
that given a P-complete problem, it is possible to find an algorithm that makes
the problem fall into NC by fixing one or more parameters. Hence, we deduce the
interesting analogy: Fixed Parameter Parallelizable (FPP) is with respect to P-complete
what Fixed Parameter Tractable (FPT) is with respect to NP-complete. Similar work
that uses treewidth as parameter was also presented by Elberfeld et al. in [6].'
author:
- first_name: 'Faisal N. '
full_name: 'Abu-Khzam, Faisal N. '
last_name: Abu-Khzam
- first_name: Shouwei
full_name: Li, Shouwei
last_name: Li
- first_name: Christine
full_name: Markarian, Christine
id: '37612'
last_name: Markarian
- first_name: Friedhelm
full_name: Meyer auf der Heide, Friedhelm
id: '15523'
last_name: Meyer auf der Heide
- first_name: Pavel
full_name: Podlipyan, Pavel
last_name: Podlipyan
citation:
ama: 'Abu-Khzam FN, Li S, Markarian C, Meyer auf der Heide F, Podlipyan P. The Monotone
Circuit Value Problem with Bounded Genus Is in NC. In: Proceedings of the 22nd
International Conference on Computing and Combinatorics (COCOON). LNCS. ;
2016:92-102. doi:10.1007/978-3-319-42634-1_8'
apa: Abu-Khzam, F. N., Li, S., Markarian, C., Meyer auf der Heide, F., & Podlipyan,
P. (2016). The Monotone Circuit Value Problem with Bounded Genus Is in NC. In
Proceedings of the 22nd International Conference on Computing and Combinatorics
(COCOON) (pp. 92–102). https://doi.org/10.1007/978-3-319-42634-1_8
bibtex: '@inproceedings{Abu-Khzam_Li_Markarian_Meyer auf der Heide_Podlipyan_2016,
series={LNCS}, title={The Monotone Circuit Value Problem with Bounded Genus Is
in NC}, DOI={10.1007/978-3-319-42634-1_8},
booktitle={Proceedings of the 22nd International Conference on Computing and Combinatorics
(COCOON)}, author={Abu-Khzam, Faisal N. and Li, Shouwei and Markarian, Christine
and Meyer auf der Heide, Friedhelm and Podlipyan, Pavel}, year={2016}, pages={92–102},
collection={LNCS} }'
chicago: Abu-Khzam, Faisal N. , Shouwei Li, Christine Markarian, Friedhelm Meyer
auf der Heide, and Pavel Podlipyan. “The Monotone Circuit Value Problem with Bounded
Genus Is in NC.” In Proceedings of the 22nd International Conference on Computing
and Combinatorics (COCOON), 92–102. LNCS, 2016. https://doi.org/10.1007/978-3-319-42634-1_8.
ieee: F. N. Abu-Khzam, S. Li, C. Markarian, F. Meyer auf der Heide, and P. Podlipyan,
“The Monotone Circuit Value Problem with Bounded Genus Is in NC,” in Proceedings
of the 22nd International Conference on Computing and Combinatorics (COCOON),
2016, pp. 92–102.
mla: Abu-Khzam, Faisal N., et al. “The Monotone Circuit Value Problem with Bounded
Genus Is in NC.” Proceedings of the 22nd International Conference on Computing
and Combinatorics (COCOON), 2016, pp. 92–102, doi:10.1007/978-3-319-42634-1_8.
short: 'F.N. Abu-Khzam, S. Li, C. Markarian, F. Meyer auf der Heide, P. Podlipyan,
in: Proceedings of the 22nd International Conference on Computing and Combinatorics
(COCOON), 2016, pp. 92–102.'
date_created: 2017-10-17T12:41:19Z
date_updated: 2022-01-06T06:51:57Z
ddc:
- '000'
department:
- _id: '63'
doi: 10.1007/978-3-319-42634-1_8
file:
- access_level: closed
content_type: application/pdf
creator: ups
date_created: 2018-11-02T14:20:45Z
date_updated: 2018-11-02T14:20:45Z
file_id: '5269'
file_name: TheMonotoneCircuitValueProblem.pdf
file_size: 234587
relation: main_file
success: 1
file_date_updated: 2018-11-02T14:20:45Z
has_accepted_license: '1'
language:
- iso: eng
page: 92-102
project:
- _id: '1'
name: SFB 901
- _id: '5'
name: SFB 901 - Subprojekt A1
- _id: '2'
name: SFB 901 - Project Area A
publication: Proceedings of the 22nd International Conference on Computing and Combinatorics
(COCOON)
series_title: LNCS
status: public
title: The Monotone Circuit Value Problem with Bounded Genus Is in NC
type: conference
user_id: '477'
year: '2016'
...
---
_id: '145'
abstract:
- lang: eng
text: 'Comparative evaluations of peer-to-peer protocols through simulations are
a viable approach to judge the performance and costs of the individual protocols
in large-scale networks. In order to support this work, we present the peer-to-peer
system simulator PeerfactSim.KOM, which we extended over the last years. PeerfactSim.KOM
comes with an extensive layer model to support various facets and protocols of
peer-to-peer networking. In this article, we describe PeerfactSim.KOM and show
how it can be used for detailed measurements of large-scale peer-to-peer networks.
We enhanced PeerfactSim.KOM with a fine-grained analyzer concept, with exhaustive
automated measurements and gnuplot generators as well as a coordination control
to evaluate sets of experiment setups in parallel. Thus, by configuring all experiments
and protocols only once and starting the simulator, all desired measurements are
performed, analyzed, evaluated, and combined, resulting in a holistic environment
for the comparative evaluation of peer-to-peer systems. An immediate comparison
of different configurations and overlays under different aspects is possible directly
after the execution without any manual post-processing. '
author:
- first_name: Matthias
full_name: Feldotto, Matthias
id: '14052'
last_name: Feldotto
orcid: 0000-0003-1348-6516
- first_name: Kalman
full_name: Graffi, Kalman
last_name: Graffi
citation:
ama: 'Feldotto M, Graffi K. Systematic evaluation of peer-to-peer systems using
PeerfactSim.KOM. Concurrency and Computation: Practice and Experience.
2016;28(5):1655-1677. doi:10.1002/cpe.3716'
apa: 'Feldotto, M., & Graffi, K. (2016). Systematic evaluation of peer-to-peer
systems using PeerfactSim.KOM. Concurrency and Computation: Practice and Experience,
28(5), 1655–1677. https://doi.org/10.1002/cpe.3716'
bibtex: '@article{Feldotto_Graffi_2016, title={Systematic evaluation of peer-to-peer
systems using PeerfactSim.KOM}, volume={28}, DOI={10.1002/cpe.3716},
number={5}, journal={Concurrency and Computation: Practice and Experience}, publisher={Wiley
Online Library}, author={Feldotto, Matthias and Graffi, Kalman}, year={2016},
pages={1655–1677} }'
chicago: 'Feldotto, Matthias, and Kalman Graffi. “Systematic Evaluation of Peer-to-Peer
Systems Using PeerfactSim.KOM.” Concurrency and Computation: Practice and Experience
28, no. 5 (2016): 1655–77. https://doi.org/10.1002/cpe.3716.'
ieee: 'M. Feldotto and K. Graffi, “Systematic evaluation of peer-to-peer systems
using PeerfactSim.KOM,” Concurrency and Computation: Practice and Experience,
vol. 28, no. 5, pp. 1655–1677, 2016.'
mla: 'Feldotto, Matthias, and Kalman Graffi. “Systematic Evaluation of Peer-to-Peer
Systems Using PeerfactSim.KOM.” Concurrency and Computation: Practice and Experience,
vol. 28, no. 5, Wiley Online Library, 2016, pp. 1655–77, doi:10.1002/cpe.3716.'
short: 'M. Feldotto, K. Graffi, Concurrency and Computation: Practice and Experience
28 (2016) 1655–1677.'
date_created: 2017-10-17T12:41:20Z
date_updated: 2022-01-06T06:52:00Z
ddc:
- '040'
department:
- _id: '79'
- _id: '63'
- _id: '541'
doi: 10.1002/cpe.3716
file:
- access_level: closed
content_type: application/pdf
creator: florida
date_created: 2018-03-21T12:57:57Z
date_updated: 2018-03-21T12:57:57Z
file_id: '1556'
file_name: 145-Feldotto_et_al-2016-Concurrency_and_Computation-_Practice_and_Experience.pdf
file_size: 3121363
relation: main_file
success: 1
file_date_updated: 2018-03-21T12:57:57Z
has_accepted_license: '1'
intvolume: ' 28'
issue: '5'
page: 1655-1677
project:
- _id: '1'
name: SFB 901
- _id: '5'
name: SFB 901 - Subprojekt A1
- _id: '2'
name: SFB 901 - Project Area A
publication: 'Concurrency and Computation: Practice and Experience'
publication_status: published
publisher: Wiley Online Library
status: public
title: Systematic evaluation of peer-to-peer systems using PeerfactSim.KOM
type: journal_article
user_id: '14052'
volume: 28
year: '2016'
...
---
_id: '251'
author:
- first_name: Karlson
full_name: Pfannschmidt, Karlson
last_name: Pfannschmidt
citation:
ama: Pfannschmidt K. Solving the Aggregated Bandits Problem. Universität
Paderborn; 2015.
apa: Pfannschmidt, K. (2015). Solving the aggregated bandits problem. Universität
Paderborn.
bibtex: '@book{Pfannschmidt_2015, title={Solving the aggregated bandits problem},
publisher={Universität Paderborn}, author={Pfannschmidt, Karlson}, year={2015}
}'
chicago: Pfannschmidt, Karlson. Solving the Aggregated Bandits Problem. Universität
Paderborn, 2015.
ieee: K. Pfannschmidt, Solving the aggregated bandits problem. Universität
Paderborn, 2015.
mla: Pfannschmidt, Karlson. Solving the Aggregated Bandits Problem. Universität
Paderborn, 2015.
short: K. Pfannschmidt, Solving the Aggregated Bandits Problem, Universität Paderborn,
2015.
date_created: 2017-10-17T12:41:41Z
date_updated: 2022-01-06T06:56:50Z
department:
- _id: '63'
- _id: '541'
project:
- _id: '1'
name: SFB 901
- _id: '7'
name: SFB 901 - Subprojekt A3
- _id: '2'
name: SFB 901 - Project Area A
publisher: Universität Paderborn
status: public
supervisor:
- first_name: Alexander
full_name: Skopalik, Alexander
id: '40384'
last_name: Skopalik
title: Solving the aggregated bandits problem
type: mastersthesis
user_id: '14052'
year: '2015'
...
---
_id: '19959'
author:
- first_name: Mostafa
full_name: Wahby, Mostafa
last_name: Wahby
- first_name: Heiko
full_name: Hamann, Heiko
last_name: Hamann
citation:
ama: 'Wahby M, Hamann H. On the Tradeoff between Hardware Protection and Optimization
Success: A Case Study in Onboard Evolutionary Robotics for Autonomous Parallel
Parking. In: Applications of Evolutionary Computation (EvoApplications 2015).
; 2015. doi:10.1007/978-3-319-16549-3_61'
apa: 'Wahby, M., & Hamann, H. (2015). On the Tradeoff between Hardware Protection
and Optimization Success: A Case Study in Onboard Evolutionary Robotics for Autonomous
Parallel Parking. In Applications of Evolutionary Computation (EvoApplications
2015). https://doi.org/10.1007/978-3-319-16549-3_61'
bibtex: '@inproceedings{Wahby_Hamann_2015, title={On the Tradeoff between Hardware
Protection and Optimization Success: A Case Study in Onboard Evolutionary Robotics
for Autonomous Parallel Parking}, DOI={10.1007/978-3-319-16549-3_61},
booktitle={Applications of Evolutionary Computation (EvoApplications 2015)}, author={Wahby,
Mostafa and Hamann, Heiko}, year={2015} }'
chicago: 'Wahby, Mostafa, and Heiko Hamann. “On the Tradeoff between Hardware Protection
and Optimization Success: A Case Study in Onboard Evolutionary Robotics for Autonomous
Parallel Parking.” In Applications of Evolutionary Computation (EvoApplications
2015), 2015. https://doi.org/10.1007/978-3-319-16549-3_61.'
ieee: 'M. Wahby and H. Hamann, “On the Tradeoff between Hardware Protection and
Optimization Success: A Case Study in Onboard Evolutionary Robotics for Autonomous
Parallel Parking,” in Applications of Evolutionary Computation (EvoApplications
2015), 2015.'
mla: 'Wahby, Mostafa, and Heiko Hamann. “On the Tradeoff between Hardware Protection
and Optimization Success: A Case Study in Onboard Evolutionary Robotics for Autonomous
Parallel Parking.” Applications of Evolutionary Computation (EvoApplications
2015), 2015, doi:10.1007/978-3-319-16549-3_61.'
short: 'M. Wahby, H. Hamann, in: Applications of Evolutionary Computation (EvoApplications
2015), 2015.'
date_created: 2020-10-08T12:36:48Z
date_updated: 2022-01-06T06:54:17Z
department:
- _id: '63'
- _id: '238'
doi: 10.1007/978-3-319-16549-3_61
language:
- iso: eng
publication: Applications of Evolutionary Computation (EvoApplications 2015)
status: public
title: 'On the Tradeoff between Hardware Protection and Optimization Success: A Case
Study in Onboard Evolutionary Robotics for Autonomous Parallel Parking'
type: conference
user_id: '15415'
year: '2015'
...