Please note that LibreCat no longer supports Internet Explorer versions 8 or 9 (or earlier).

We recommend upgrading to the latest Internet Explorer, Google Chrome, or Firefox.

776 Publications


2015 | Journal Article | LibreCat-ID: 10166
@article{Schubert_Steffen_2015, title={Nowhere-zero flows on signed regular graphs}, volume={48}, journal={European J. Combinatorics}, author={Schubert, Michael and Steffen, Eckhard}, year={2015}, pages={34–47} }
LibreCat
 

2015 | Conference Paper | LibreCat-ID: 10767
@inproceedings{Ghribi_Ben Abdallah_Khalgui_Platzner_2015, title={New Codesign Solutions for Modelling and Partitioning of Probabilistic Reconfigurable Embedded Software}, booktitle={Proceedings of the 29th European Simulation and Modelling Conference (ESM)}, author={Ghribi, Ines and Ben Abdallah, Riadh and Khalgui, Mohamed and Platzner, Marco}, year={2015} }
LibreCat
 

2015 | Conference Paper | LibreCat-ID: 10779
@inproceedings{Guettatfi_Kermia_Khouas_2015, title={Over effective hard real-time hardware tasks scheduling and allocation}, DOI={10.1109/FPL.2015.7293994}, booktitle={25th International Conference on Field Programmable Logic and Applications (FPL)}, publisher={Imperial College}, author={Guettatfi, Zakarya and Kermia, Omar and Khouas, Abdelhakim}, year={2015} }
LibreCat | DOI
 

2015 | Conference Paper | LibreCat-ID: 10673
@inproceedings{Ho_Ahmed_Kaufmann_Platzner_2015, title={Microarchitectural optimization by means of reconfigurable and evolvable cache mappings}, DOI={10.1109/AHS.2015.7231178}, booktitle={Proc. NASA/ESA Conf. Adaptive Hardware and Systems (AHS)}, author={Ho, Nam and Ahmed, Abdullah Fathi and Kaufmann, Paul and Platzner, Marco}, year={2015}, pages={1–7} }
LibreCat | DOI
 

2015 | Conference Paper | LibreCat-ID: 10236
@inproceedings{Abdel-Aziz_Hüllermeier_2015, title={Case Base Maintenance in Preference-Based CBR}, booktitle={In Proceedings 23rd International Conference on Case-Based Reasoning (ICCBR 2015)}, author={Abdel-Aziz, A. and Hüllermeier, Eyke}, year={2015}, pages={1–14} }
LibreCat
 

2015 | Conference Paper | LibreCat-ID: 10243
@inproceedings{El Mesaoudi-Paul_Hüllermeier_2015, title={A CBR Approach to the Angry Birds Game}, booktitle={in Workshop Proc. 23rd International Conference on Case-Based Reasoning (ICCBR 2015)}, author={El Mesaoudi-Paul, Adil and Hüllermeier, Eyke}, year={2015}, pages={68–77} }
LibreCat
 

2015 | Dissertation | LibreCat-ID: 10293
@book{Meier_2015, place={Universität Paderborn}, title={IT Project Portfolio Selection in the Presence of Project Interactions}, author={Meier, Christian}, year={2015} }
LibreCat
 

2015 | Journal Article | LibreCat-ID: 10320
@article{Hüllermeier_2015, title={Does machine learning need fuzzy logic?}, volume={281}, journal={Fuzzy Sets and Systems}, author={Hüllermeier, Eyke}, year={2015}, pages={292–299} }
LibreCat
 

2015 | Journal Article | LibreCat-ID: 11830
@article{Jacob_Haeb-Umbach_2015, title={Absolute Geometry Calibration of Distributed Microphone Arrays in an Audio-Visual Sensor Network}, journal={ArXiv e-prints}, author={Jacob, Florian and Haeb-Umbach, Reinhold}, year={2015} }
LibreCat | Download (ext.)
 

2015 | Journal Article | LibreCat-ID: 1143
@article{Geierhos_Schulze_2015, title={Der zufriedene Patient 2.0: Analyse anonymer Arztbewertungen zur Generierung eines Patientenstimmungsbildes}, volume={18}, journal={ForschungsForum Paderborn}, publisher={Universität Paderbon}, author={Geierhos, Michaela and Schulze, Sabine}, year={2015}, pages={14–19} }
LibreCat | Download (ext.)
 

2015 | Conference Paper | LibreCat-ID: 1148
@inproceedings{Bäumer_Dollmann_Geierhos_2015, place={Amsterdam, The Netherlands}, series={Procedia Computer Science}, title={Find a Physician by Matching Medical Needs described in your Own Words}, volume={63}, DOI={10.1016/j.procs.2015.08.362}, booktitle={The 6th International Conference on Emerging Ubiquitous Systems and Pervasive Networks (EUSPN 2015) / The 5th International Conference on Current and Future Trends of Information and Communication Technologies in Healthcare (ICTH-2015) / Affiliated Workshops}, publisher={Elsevier}, author={Bäumer, Frederik Simon and Dollmann, Markus and Geierhos, Michaela}, editor={Shakshuki, Elhadi M.Editor}, year={2015}, pages={417–424}, collection={Procedia Computer Science} }
LibreCat | DOI
 

2015 | Book Chapter | LibreCat-ID: 1150
@inbook{Geierhos_Bäumer_Schulze_Klotz_2015, place={Cham, Switzerland}, series={Lecture Notes in Artificial Intelligence}, title={Understanding the Patient 2.0: Gaining Insight into Patients’ Rating Behavior by User-generated Physician Review Mining}, volume={9405}, DOI={10.1007/978-3-319-25591-0_12}, booktitle={Modeling and Using Context. 9th International and Interdisciplinary Conference, CONTEXT 2015, Lanarca, Cyprus, November 2-6, 2015. Proceedings}, publisher={Springer}, author={Geierhos, Michaela and Bäumer, Frederik Simon and Schulze, Sabine and Klotz, Caterina}, editor={Christiansen, Henning and Stojanovic, Isidora and Papadopoulos, George A.Editors}, year={2015}, pages={159–171}, collection={Lecture Notes in Artificial Intelligence} }
LibreCat | DOI
 

2015 | Conference Paper | LibreCat-ID: 11739
@inproceedings{Chinaev_Haeb-Umbach_2015, title={On Optimal Smoothing in Minimum Statistics Based Noise Tracking}, booktitle={Interspeech 2015}, author={Chinaev, Aleksej and Haeb-Umbach, Reinhold}, year={2015}, pages={1785–1789} }
LibreCat | Files available | Download (ext.)
 

2015 | Conference Paper | LibreCat-ID: 13153
@inproceedings{Graf_Platzner_2015, title={Adaptive Playouts in Monte-Carlo Tree Search with Policy-Gradient Reinforcement Learning}, DOI={10.1007/978-3-319-27992-3_1}, booktitle={Advances in Computer Games: 14th International Conference, ACG 2015, Leiden, The Netherlands, July 1-3, 2015, Revised Selected Papers}, publisher={Springer International Publishing}, author={Graf, Tobias and Platzner, Marco}, year={2015}, pages={1–11} }
LibreCat | DOI
 

2015 | Journal Article | LibreCat-ID: 13165
@article{Sonnenrein_Baumhögger_Elsner_Fieback_Morbach_Paul_Vrabec_2015, title={Copolymer-bound phase change materials for household refrigerating appliances: experimental investigation of power consumption, temperature distribution and demand side management potential}, DOI={10.1016/j.ijrefrig.2015.06.030}, journal={International Journal of Refrigeration}, author={Sonnenrein, G. and Baumhögger, Elmar and Elsner, A. and Fieback, K. and Morbach, A. and Paul, A. and Vrabec, J.}, year={2015}, pages={166–173} }
LibreCat | DOI
 

2015 | Journal Article | LibreCat-ID: 12927
@article{Beutner_Eggert_2015, title={Möglichkeiten der Audio-Unterstützung insbesondere mit Blick auf Podcasts in Lerneinheiten und E-Learning Kontexten – Ergebnisse, Eindrücke und Handlungsempfehlungen auf Basis des Projekts SEEL}, journal={Kölner Zeitschrift für Wirtschaft und Pädagogik}, author={Beutner, Marc and Eggert, Denise}, year={2015}, pages={33–58} }
LibreCat
 

2015 | Journal Article | LibreCat-ID: 12934
@article{Röwenstrunk_Prätzlich_Betzwieser_Müller_Szwillus_Veit_2015, title={Das Gesamtkunstwerk Oper aus Datensicht}, DOI={10.1007/s13222-015-0179-0}, journal={Datenbank-Spektrum}, author={Röwenstrunk, Daniel and Prätzlich, Thomas and Betzwieser, Thomas and Müller, Meinard and Szwillus, Gerd and Veit, Joachim}, year={2015}, pages={65–72} }
LibreCat | DOI
 

2015 | Conference Paper | LibreCat-ID: 11981
@inproceedings{Bloessl_Sommer_Dressler_2015, title={Power matters: Automatic Gain Control for a Software Defined Radio IEEE 802.11a/g/p receiver}, DOI={10.1109/infcomw.2015.7179325}, booktitle={2015 IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS)}, author={Bloessl, Bastian and Sommer, Christoph and Dressler, Falko}, year={2015} }
LibreCat | DOI
 

2015 | Book Chapter | LibreCat-ID: 12004
@inbook{Eckhoff_Sommer_2015, title={Simulative performance evaluation of vehicular networks}, DOI={10.1016/b978-1-78242-211-2.00012-x}, booktitle={Vehicular Communications and Networks}, author={Eckhoff, David and Sommer, Christoph}, year={2015} }
LibreCat | DOI
 

2015 | Journal Article | LibreCat-ID: 12030
@article{Klingler_Dressler_Cao_Sommer_2015, title={MCB – A multi-channel beaconing protocol}, DOI={10.1016/j.adhoc.2015.08.002}, journal={Ad Hoc Networks}, author={Klingler, Florian and Dressler, Falko and Cao, Jiannong and Sommer, Christoph}, year={2015}, pages={258–269} }
LibreCat | DOI
 

2015 | Conference Paper | LibreCat-ID: 12047
@inproceedings{Segata_Bloessl_Joerer_Sommer_Gerla_Cigno_Dressler_2015, title={Towards inter-vehicle communication strategies for platooning support}, DOI={10.1109/nets4carsfall.2014.7000903}, booktitle={2014 7th International Workshop on Communication Technologies for Vehicles (Nets4Cars-Fall)}, author={Segata, Michele and Bloessl, Bastian and Joerer, Stefan and Sommer, Christoph and Gerla, Mario and Cigno, Renato and Dressler, Falko}, year={2015} }
LibreCat | DOI
 

2015 | Journal Article | LibreCat-ID: 13893
@article{Bause_Gravenkamp_Rautenberg_Henning_2015, title={Transient modeling of ultrasonic guided waves in circular viscoelastic waveguides for inverse material characterization}, volume={26}, DOI={10.1088/0957-0233/26/9/095602}, number={095602 (17pp)}, journal={Measurement Science and Technology}, author={Bause, Fabian and Gravenkamp, Hauke and Rautenberg, Jens and Henning, Bernd}, year={2015} }
LibreCat | DOI
 

2015 | Journal Article | LibreCat-ID: 13925
@article{Driben_Yulin_Efimov_2015, title={Resonant radiation from oscillating higher order solitons}, volume={23}, DOI={10.1364/oe.23.019112}, number={1519112}, journal={Optics Express}, author={Driben, R. and Yulin, A. V. and Efimov, A.}, year={2015} }
LibreCat | DOI
 

2015 | Journal Article | LibreCat-ID: 13932
@article{Driben_Dror_Malomed_Meier_2015, title={Multipoles and vortex multiplets in multidimensional media with inhomogeneous defocusing nonlinearity}, volume={17}, DOI={10.1088/1367-2630/17/8/083043}, number={083043}, journal={New Journal of Physics}, author={Driben, Rodislav and Dror, Nir and Malomed, Boris A and Meier, Torsten}, year={2015} }
LibreCat | DOI
 

2015 | Journal Article | LibreCat-ID: 13494
@article{Aldahhak_Schmidt_Rauls_2015, title={Single PTCDA molecules on planar and stepped KCl and NaCl(100) surfaces}, DOI={10.1016/j.susc.2015.01.013}, journal={Surface Science}, author={Aldahhak, Hazem and Schmidt, Wolf Gero and Rauls, E.}, year={2015}, pages={278–281} }
LibreCat | DOI
 

2015 | Journal Article | LibreCat-ID: 13499
@article{Thissen_Fuchs_Roodenko_Peixoto_Batchelor_Smith_Schmidt_Chabal_2015, title={Nanopatterning on H-Terminated Si(111) Explained as Dynamic Equilibrium of the Chemical Reaction with Methanol}, volume={119}, DOI={10.1021/acs.jpcc.5b03816}, journal={The Journal of Physical Chemistry C}, author={Thissen, Peter and Fuchs, Ehud and Roodenko, Katy and Peixoto, Tatiana and Batchelor, Ben and Smith, Dennis and Schmidt, Wolf Gero and Chabal, Yves}, year={2015}, pages={16947–16953} }
LibreCat | DOI
 

2015 | Journal Article | LibreCat-ID: 13502
@article{Klein_Vollmers_Gerstmann_Zahl_Lükermann_Jnawali_Pfnür_Tegenkamp_Sutter_Schmidt_et al._2015, title={Barrier-free subsurface incorporation of 3d metal atoms into Bi(111) films}, volume={91}, DOI={10.1103/physrevb.91.195441}, number={19}, journal={Physical Review B}, author={Klein, C. and Vollmers, N. J. and Gerstmann, Uwe and Zahl, P. and Lükermann, D. and Jnawali, G. and Pfnür, H. and Tegenkamp, C. and Sutter, P. and Schmidt, Wolf Gero and et al.}, year={2015} }
LibreCat | DOI
 

2015 | Journal Article | LibreCat-ID: 13507
@article{Landmann_Rauls_Schmidt_Neumann_Speiser_Esser_2015, title={GaNm-plane: Atomic structure, surface bands, and optical response}, volume={91}, DOI={10.1103/physrevb.91.035302}, journal={Physical Review B}, author={Landmann, M. and Rauls, E. and Schmidt, Wolf Gero and Neumann, M. D. and Speiser, E. and Esser, N.}, year={2015} }
LibreCat | DOI
 

2015 | Book Chapter | LibreCat-ID: 13533
@inbook{Hagengruber_2015, title={Vorwort}, booktitle={Philosophinnen im Philosophieunterricht. Ein Handbuch}, author={Hagengruber, Ruth}, editor={Hagengruber, Ruth and Rohbeck, JohannesEditors}, year={2015}, pages={7–11} }
LibreCat
 

2015 | Book Chapter | LibreCat-ID: 15515
@inbook{Hagengruber_2015, place={Dresden}, title={Philosophinnen. Ein Einblick in ihre Geschichte und Argumente}, booktitle={Philosophinnen im Philosophieunterricht. Ein Handbuch}, publisher={Thelem}, author={Hagengruber, Ruth}, editor={Hagengruber, Ruth and Rohbeck, JohannesEditors}, year={2015}, pages={11–32} }
LibreCat
 

2015 | Conference Abstract | LibreCat-ID: 15185
@inproceedings{Dunst_Hartel_Hohenstein_Laubrock_2015, title={Digitale Analyse Graphischer Literatur}, booktitle={DHd-Tagung 2015 - Von Daten zu Erkenntnissen}, author={Dunst, Alexander and Hartel, Rita and Hohenstein, Sven and Laubrock, Jochen}, year={2015} }
LibreCat
 

2015 | Conference Paper | LibreCat-ID: 16258
@inproceedings{Reschetnik_Leuders_Riemer_Tröster_Richard_Niendorf_2015, title={Fatigue life prediction for metals processed by Selective Laser Melting using finite element analyses}, author={Reschetnik, W. and Leuders, S. and Riemer, A. and Tröster, Thomas and Richard, H. A. and Niendorf, T.}, year={2015} }
LibreCat
 

2015 | Conference Paper | LibreCat-ID: 16260
@inproceedings{Lauter_Wang_Tröster_Brandis_Köchling_2015, title={Methodology for the Product Engineering of Lightweight Structures in Multi-Material Design}, author={Lauter, C. and Wang, Z. and Tröster, Thomas and Brandis, R. and Köchling, D.}, year={2015} }
LibreCat
 

2015 | Book Chapter | LibreCat-ID: 15899
@inbook{Jager_Schwenk_Somorovsky_2015, place={Cham}, title={Practical Invalid Curve Attacks on TLS-ECDH}, DOI={10.1007/978-3-319-24174-6_21}, booktitle={Computer Security -- ESORICS 2015}, author={Jager, Tibor and Schwenk, Jörg and Somorovsky, Juraj}, year={2015} }
LibreCat | DOI | Download (ext.)
 

2015 | Conference Paper | LibreCat-ID: 1636
@inproceedings{Auroux_Draxler_Morelli_Mancuso_2015, title={Dynamic network reconfiguration in wireless DenseNets with the CROWD SDN architecture}, DOI={10.1109/eucnc.2015.7194057}, booktitle={2015 European Conference on Networks and Communications (EuCNC)}, publisher={IEEE}, author={Auroux, Sébastien and Draxler, Martin and Morelli, Arianna and Mancuso, Vincenzo}, year={2015} }
LibreCat | DOI
 

2015 | Conference Paper | LibreCat-ID: 16133
@inproceedings{Lauter_Wang_Koke_Tröster_2015, title={Influences of process parameters on the mechanical properties of hybrid sheet metal-FRP-composites manufactured by prepreg press technology}, author={Lauter, C. and Wang, Z. and Koke, I. and Tröster, Thomas}, year={2015} }
LibreCat
 

2015 | Conference Paper | LibreCat-ID: 15750
@inproceedings{Ewerth_Balz_Gehlhaar_Dembczynski_Hüllermeier_2015, title={Depth estimation in monocular images: Quantitative versus qualitative approaches}, booktitle={In Proceedings 25. Workshop Computational Intelligence, Dortmund, Germany}, publisher={KIT Scientific Publishing}, author={Ewerth, R. and Balz, A. and Gehlhaar, J. and Dembczynski, K. and Hüllermeier, Eyke}, editor={Hoffmann, F. and Hüllermeier, EykeEditors}, year={2015}, pages={235–240} }
LibreCat
 

2015 | Journal Article | LibreCat-ID: 15964
@article{Leuders_Vollmer_Brenne_Tröster_Niendorf_2015, title={Fatigue Strength Prediction for Titanium Alloy TiAl6V4 Manufactured by Selective Laser Melting}, DOI={10.1007/s11661-015-2864-x}, journal={Metallurgical and Materials Transactions A}, author={Leuders, Stefan and Vollmer, Malte and Brenne, Florian and Tröster, Thomas and Niendorf, Thomas}, year={2015}, pages={3816–3823} }
LibreCat | DOI
 

2015 | Journal Article | LibreCat-ID: 16049
@article{Senge_Hüllermeier_2015, title={Fast fuzzy pattern tree learning for classification }, volume={23}, number={6}, journal={IEEE Transactions on Fuzzy Systems}, author={Senge, Robin and Hüllermeier, Eyke}, year={2015}, pages={2024–2033} }
LibreCat
 

2015 | Journal Article | LibreCat-ID: 16051
@article{Hüllermeier_2015, title={From knowledge-based to data driven fuzzy modeling: Development, criticism and alternative directions}, volume={38}, number={6}, journal={Informatik Spektrum}, author={Hüllermeier, Eyke}, year={2015}, pages={500–509} }
LibreCat
 

2015 | Journal Article | LibreCat-ID: 2045
@article{Krimphove_2015, title={Logik im Völkerrecht }, volume={101}, number={Heft 3}, journal={Archiv für Rechts- und Sozialphilosophie ARSP}, author={Krimphove, Dieter}, year={2015}, pages={428 – 441} }
LibreCat
 

2015 | Journal Article | LibreCat-ID: 1698
@article{Huang_Mühlenbernd_Li_Song_Bai_Wang_Zentgraf_2015, title={Broadband Hybrid Holographic Multiplexing with Geometric Metasurfaces}, volume={27}, DOI={10.1002/adma.201502541}, number={41}, journal={Advanced Materials}, publisher={Wiley-Blackwell}, author={Huang, Lingling and Mühlenbernd, Holger and Li, Xiaowei and Song, Xu and Bai, Benfeng and Wang, Yongtian and Zentgraf, Thomas}, year={2015}, pages={6444–6449} }
LibreCat | DOI
 

2015 | Mastersthesis | LibreCat-ID: 1794
@book{Lass_2015, place={Paderborn}, title={Localization and Analysis of Code Paths Suitable for Acceleration using Approximate Computing}, publisher={Paderborn University}, author={Lass, Michael}, year={2015} }
LibreCat
 

2015 | Conference Paper | LibreCat-ID: 1852
@inproceedings{Derakhshandeh_Gmyr_Strothmann_A. Bazzi_W. Richa_Scheideler_2015, title={Brief Announcement: On the Feasibility of Leader Election and Shape Formation with Self-Organizing Programmable Matter}, DOI={10.1145/2767386.2767451}, booktitle={Proceedings of the 2015 ACM Symposium on Principles of Distributed Computing, PODC 2015, Donostia-San Sebasti{\’{a}}n, Spain, July 21 - 23, 2015}, publisher={ACM}, author={Derakhshandeh, Zahra and Gmyr, Robert and Strothmann, Thim Frederik and A. Bazzi, Rida and W. Richa, Andrea and Scheideler, Christian}, year={2015}, pages={67--69} }
LibreCat | DOI
 

2015 | Journal Article | LibreCat-ID: 1768
@article{Plessl_Platzner_Schreier_2015, title={Aktuelles Schlagwort: Approximate Computing}, DOI={10.1007/s00287-015-0911-z}, number={5}, journal={Informatik Spektrum}, publisher={Springer}, author={Plessl, Christian and Platzner, Marco and Schreier, Peter J.}, year={2015}, pages={396–399} }
LibreCat | DOI
 

2015 | Journal Article | LibreCat-ID: 1775
@article{Anderson_Borga_Boterenbrood_Chen_Chen_Drake_Francis_Gorini_Lanni_Lehmann Miotto_et al._2015, title={FELIX: a High-Throughput Network Approach for Interfacing to Front End Electronics for ATLAS Upgrades}, volume={664}, DOI={10.1088/1742-6596/664/8/082050}, number={082050}, journal={Journal of Physics: Conference Series}, publisher={IOP Publishing}, author={Anderson, J and Borga, A and Boterenbrood, H and Chen, H and Chen, K and Drake, G and Francis, D and Gorini, B and Lanni, F and Lehmann Miotto, G and et al.}, year={2015} }
LibreCat | DOI
 

2015 | Report | LibreCat-ID: 233
@book{Blömer_Kohn_2015, title={Voronoi Cells of Lattices with Respect to Arbitrary Norms}, publisher={Universität Paderborn}, author={Blömer, Johannes and Kohn, Kathlén}, year={2015} }
LibreCat | Files available | Download (ext.)
 

2015 | Conference Paper | LibreCat-ID: 238
@inproceedings{Damschen_Riebler_Vaz_Plessl_2015, title={Transparent offloading of computational hotspots from binary code to Xeon Phi}, DOI={10.7873/DATE.2015.1124}, booktitle={Proceedings of the 2015 Conference on Design, Automation and Test in Europe (DATE)}, publisher={EDA Consortium / IEEE}, author={Damschen, Marvin and Riebler, Heinrich and Vaz, Gavin Francis and Plessl, Christian}, year={2015}, pages={1078–1083} }
LibreCat | Files available | DOI
 

2015 | Conference Paper | LibreCat-ID: 240
@inproceedings{Li_Mäcker_Markarian_Meyer auf der Heide_Riechers_2015, series={Lecture Notes in Computer Science}, title={Towards Flexible Demands in Online Leasing Problems}, DOI={10.1007/978-3-319-21398-9_22}, booktitle={Proceedings of the 21st Annual International Computing and Combinatorics Conference (COCOON)}, author={Li, Shouwei and Mäcker, Alexander and Markarian, Christine and Meyer auf der Heide, Friedhelm and Riechers, Sören}, year={2015}, pages={277--288}, collection={Lecture Notes in Computer Science} }
LibreCat | Files available | DOI
 

2015 | Journal Article | LibreCat-ID: 290
@article{Besova_Steenken_Wehrheim_2015, title={Grammar-based model transformations: Definition, execution, and quality properties}, DOI={10.1016/j.cl.2015.05.003}, journal={Computer Languages, Systems & Structures}, publisher={Elsevier}, author={Besova, Galina and Steenken, Dominik and Wehrheim, Heike}, year={2015}, pages={116–138} }
LibreCat | Files available | DOI
 

Filters and Search Terms

year=2015

Search

Filter Publications

Display / Sort

Citation Style: BibTeX

Export / Embed