---
_id: '7827'
abstract:
- lang: ger
  text: Die Pilotphase 1993/ 94 zum Aufbau eines Niedersächsischen Krebsregister untersucht
    das im Entwurf des Bundeskrebsregistergesetzes vorgesehen Modell für ein bevölkerungsbezogenes
    Krebsregister. Darin werden die Krebsmeldungen in einer Vertrauensstelle erfaßt
    und die personenidentifizierenden Daten vor der Übermittlung an die Registerstelle
    anonymisiert, wo sie dann zu einem bevölkerungsbezogenen Krebsregister verdichtet
    und epidemiologischer Forschung zur Verfügung gestellt werden ([1], [2], [3]).
    Dieses sogenannte „Michaelis“-Modell erlaubt eine bevölkerungsbezogene Registrierung
    von Krebsfällen unter Berücksichtigung datenschutzrechtlicher Aspekte („Informationelles
    Selbstbestimmungsrecht“) der einzelnen Betroffenen. In vier Teilprojekten werden
    dabei in der Modellregion Weser-Ems die Integration krebsregistrierender Einrichtungen,
    die Chiffrierung/ Dechiffrierung von Krebsmeldungen, der Abgleich anonymisierter
    Meldungen in der Registerstelle und die Entwicklung eines epidemiologischen Informationssystem
    betrachtet ([4], [5]).
author:
- first_name: Wilfried
  full_name: Thoben, Wilfried
  last_name: Thoben
- first_name: Hans-Jürgen
  full_name: Appelrath, Hans-Jürgen
  last_name: Appelrath
- first_name: Jens
  full_name: Rettig, Jens
  last_name: Rettig
- first_name: Stefan
  full_name: Sauer, Stefan
  id: '447'
  last_name: Sauer
citation:
  ama: 'Thoben W, Appelrath H-J, Rettig J, Sauer S. Berücksichtigung von Datenschutzaspekten
    in einem bevölkerungsbezogenen Krebsregister. In: <i>Proceedings of the Conference
    on Medizin Und Information, Biometrie Und Epidemiologie (GMDS 1994), Dresden (Germany)</i>.
    München: MMV Medizin Verlag; 1994:88-90.'
  apa: 'Thoben, W., Appelrath, H.-J., Rettig, J., &#38; Sauer, S. (1994). Berücksichtigung
    von Datenschutzaspekten in einem bevölkerungsbezogenen Krebsregister. In <i>Proceedings
    of the conference on Medizin und Information, Biometrie und Epidemiologie (GMDS
    1994), Dresden (Germany)</i> (pp. 88–90). München: MMV Medizin Verlag.'
  bibtex: '@inproceedings{Thoben_Appelrath_Rettig_Sauer_1994, place={München}, title={Berücksichtigung
    von Datenschutzaspekten in einem bevölkerungsbezogenen Krebsregister}, booktitle={Proceedings
    of the conference on Medizin und Information, Biometrie und Epidemiologie (GMDS
    1994), Dresden (Germany)}, publisher={MMV Medizin Verlag}, author={Thoben, Wilfried
    and Appelrath, Hans-Jürgen and Rettig, Jens and Sauer, Stefan}, year={1994}, pages={88–90}
    }'
  chicago: 'Thoben, Wilfried, Hans-Jürgen Appelrath, Jens Rettig, and Stefan Sauer.
    “Berücksichtigung von Datenschutzaspekten in Einem Bevölkerungsbezogenen Krebsregister.”
    In <i>Proceedings of the Conference on Medizin Und Information, Biometrie Und
    Epidemiologie (GMDS 1994), Dresden (Germany)</i>, 88–90. München: MMV Medizin
    Verlag, 1994.'
  ieee: W. Thoben, H.-J. Appelrath, J. Rettig, and S. Sauer, “Berücksichtigung von
    Datenschutzaspekten in einem bevölkerungsbezogenen Krebsregister,” in <i>Proceedings
    of the conference on Medizin und Information, Biometrie und Epidemiologie (GMDS
    1994), Dresden (Germany)</i>, 1994, pp. 88–90.
  mla: Thoben, Wilfried, et al. “Berücksichtigung von Datenschutzaspekten in Einem
    Bevölkerungsbezogenen Krebsregister.” <i>Proceedings of the Conference on Medizin
    Und Information, Biometrie Und Epidemiologie (GMDS 1994), Dresden (Germany)</i>,
    MMV Medizin Verlag, 1994, pp. 88–90.
  short: 'W. Thoben, H.-J. Appelrath, J. Rettig, S. Sauer, in: Proceedings of the
    Conference on Medizin Und Information, Biometrie Und Epidemiologie (GMDS 1994),
    Dresden (Germany), MMV Medizin Verlag, München, 1994, pp. 88–90.'
date_created: 2019-02-20T13:53:08Z
date_updated: 2022-01-06T07:03:46Z
department:
- _id: '66'
language:
- iso: eng
page: 88-90
place: München
publication: Proceedings of the conference on Medizin und Information, Biometrie und
  Epidemiologie (GMDS 1994), Dresden (Germany)
publisher: MMV Medizin Verlag
status: public
title: Berücksichtigung von Datenschutzaspekten in einem bevölkerungsbezogenen Krebsregister
type: conference
user_id: '52534'
year: '1994'
...
---
_id: '7828'
abstract:
- lang: eng
  text: Object-oriented specification languages provide means to specify the static
    structure, as well as the allowed dynamic behaviour of objects. Here, the dynamic
    behaviour is usually described by giving the methods and a state transition diagram
    which defines the allowed sequences of methods on objects of a certain class.
    Specialized classes are defined using the inheritance relationship. In order to
    enable reusability while guaranteeing type substitutability, subclass specifications
    have to be compatible with respect to static and dynamic aspects with their corresponding
    superclass specifications. Classes have to provide a large shopping list of operations
    to satisfy the needs of all possible users. The interests of specific users are
    often restricted to a subset of operations and thus to a restricted behaviour.
    This paper describes a formalization of class descriptions given by attributes,
    operations, as well as state transition diagrams. It defines compatibility between
    sub- and superclasses and introduces the notion of views in the sense of hiding
    parts of a class description. It turns out that a view has the same properties
    as a (virtual) superclass.
author:
- first_name: Jürgen
  full_name: Ebert, Jürgen
  last_name: Ebert
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
citation:
  ama: 'Ebert J, Engels G. Structural and Behavioural Views on OMT-Classes. In: <i>Proceedings
    of the International Symposium on Object-Oriented Methodologies and Systems (ISOOMS
    1994), Palermo (Italy)</i>. Vol 858. Berlin/Heidelberg: Springer; 1994:142-157.'
  apa: 'Ebert, J., &#38; Engels, G. (1994). Structural and Behavioural Views on OMT-Classes.
    In <i>Proceedings of the International Symposium on Object-Oriented Methodologies
    and Systems (ISOOMS 1994), Palermo (Italy)</i> (Vol. 858, pp. 142–157). Berlin/Heidelberg:
    Springer.'
  bibtex: '@inproceedings{Ebert_Engels_1994, place={Berlin/Heidelberg}, title={Structural
    and Behavioural Views on OMT-Classes}, volume={858}, booktitle={Proceedings of
    the International Symposium on Object-Oriented Methodologies and Systems (ISOOMS
    1994), Palermo (Italy)}, publisher={Springer}, author={Ebert, Jürgen and Engels,
    Gregor}, year={1994}, pages={142–157} }'
  chicago: 'Ebert, Jürgen, and Gregor Engels. “Structural and Behavioural Views on
    OMT-Classes.” In <i>Proceedings of the International Symposium on Object-Oriented
    Methodologies and Systems (ISOOMS 1994), Palermo (Italy)</i>, 858:142–57. Berlin/Heidelberg:
    Springer, 1994.'
  ieee: J. Ebert and G. Engels, “Structural and Behavioural Views on OMT-Classes,”
    in <i>Proceedings of the International Symposium on Object-Oriented Methodologies
    and Systems (ISOOMS 1994), Palermo (Italy)</i>, 1994, vol. 858, pp. 142–157.
  mla: Ebert, Jürgen, and Gregor Engels. “Structural and Behavioural Views on OMT-Classes.”
    <i>Proceedings of the International Symposium on Object-Oriented Methodologies
    and Systems (ISOOMS 1994), Palermo (Italy)</i>, vol. 858, Springer, 1994, pp.
    142–57.
  short: 'J. Ebert, G. Engels, in: Proceedings of the International Symposium on Object-Oriented
    Methodologies and Systems (ISOOMS 1994), Palermo (Italy), Springer, Berlin/Heidelberg,
    1994, pp. 142–157.'
date_created: 2019-02-20T13:54:14Z
date_updated: 2022-01-06T07:03:46Z
department:
- _id: '66'
intvolume: '       858'
language:
- iso: eng
page: 142-157
place: Berlin/Heidelberg
publication: Proceedings of the International Symposium on Object-Oriented Methodologies
  and Systems (ISOOMS 1994), Palermo (Italy)
publisher: Springer
status: public
title: Structural and Behavioural Views on OMT-Classes
type: conference
user_id: '52534'
volume: 858
year: '1994'
...
---
_id: '7829'
abstract:
- lang: eng
  text: Object-oriented system development is wideley recognized as improving productivity
    and reducing system maintenance costs. However, existing approaches have not sufficiently
    addressed the following three questions which are equally important to users and
    researchers. Firstly, what are the benefits of object-oriented system development
    compared to traditional approaches? Secondly, what are the essential features
    of an objectoriented life cycle model to fulfill the benefits of object-oriented
    development? And thirdly, what are the pitfalls of object-oriented development
    and how to cope with them? The paper investigates answers to all three questions
    in concert.
author:
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
- first_name: Gerti
  full_name: Kappel, Gerti
  last_name: Kappel
citation:
  ama: 'Engels G, Kappel G. Object-Oriented System Development: Will the New Approach
    Solve Old Problems? In: <i>Proceedings of the IFIP 13th World Computer Congress
    on Information Processing, Hamburg (Germany)</i>. Vol 3. Elsevier; 1994:434-441.'
  apa: 'Engels, G., &#38; Kappel, G. (1994). Object-Oriented System Development: Will
    the New Approach Solve Old Problems? In <i>Proceedings of the IFIP 13th World
    Computer Congress on Information Processing, Hamburg (Germany)</i> (Vol. 3, pp.
    434–441). Elsevier.'
  bibtex: '@inproceedings{Engels_Kappel_1994, title={Object-Oriented System Development:
    Will the New Approach Solve Old Problems?}, volume={3}, booktitle={Proceedings
    of the IFIP 13th World Computer Congress on Information Processing, Hamburg (Germany)},
    publisher={Elsevier}, author={Engels, Gregor and Kappel, Gerti}, year={1994},
    pages={434–441} }'
  chicago: 'Engels, Gregor, and Gerti Kappel. “Object-Oriented System Development:
    Will the New Approach Solve Old Problems?” In <i>Proceedings of the IFIP 13th
    World Computer Congress on Information Processing, Hamburg (Germany)</i>, 3:434–41.
    Elsevier, 1994.'
  ieee: 'G. Engels and G. Kappel, “Object-Oriented System Development: Will the New
    Approach Solve Old Problems?,” in <i>Proceedings of the IFIP 13th World Computer
    Congress on Information Processing, Hamburg (Germany)</i>, 1994, vol. 3, pp. 434–441.'
  mla: 'Engels, Gregor, and Gerti Kappel. “Object-Oriented System Development: Will
    the New Approach Solve Old Problems?” <i>Proceedings of the IFIP 13th World Computer
    Congress on Information Processing, Hamburg (Germany)</i>, vol. 3, Elsevier, 1994,
    pp. 434–41.'
  short: 'G. Engels, G. Kappel, in: Proceedings of the IFIP 13th World Computer Congress
    on Information Processing, Hamburg (Germany), Elsevier, 1994, pp. 434–441.'
date_created: 2019-02-20T13:58:33Z
date_updated: 2022-01-06T07:03:46Z
department:
- _id: '66'
intvolume: '         3'
language:
- iso: eng
page: 434-441
publication: Proceedings of the IFIP 13th World Computer Congress on Information Processing,
  Hamburg (Germany)
publisher: Elsevier
status: public
title: 'Object-Oriented System Development: Will the New Approach Solve Old Problems?'
type: conference
user_id: '52534'
volume: 3
year: '1994'
...
---
_id: '7830'
author:
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
- first_name: Hartmut
  full_name: Ehrig, Hartmut
  last_name: Ehrig
citation:
  ama: 'Engels G, Ehrig H. Towards a Module Concept for Graph Transformation Systems:
    The Software Engineering Perspective. In: <i>Proceedings Colloquium on Graph Transformation
    and Its Application in Computer Science</i>. Vol B-19. Technical Report . Universitat
    de les Illes Balears, Departament de Ci; 1994.'
  apa: 'Engels, G., &#38; Ehrig, H. (1994). Towards a Module Concept for Graph Transformation
    Systems: The Software Engineering Perspective. In <i>Proceedings Colloquium on
    Graph Transformation and its Application in Computer Science</i> (Vol. B-19).
    Universitat de les Illes Balears, Departament de Ci.'
  bibtex: '@inproceedings{Engels_Ehrig_1994, series={Technical Report }, title={Towards
    a Module Concept for Graph Transformation Systems: The Software Engineering Perspective},
    volume={B-19}, booktitle={Proceedings Colloquium on Graph Transformation and its
    Application in Computer Science}, publisher={Universitat de les Illes Balears,
    Departament de Ci}, author={Engels, Gregor and Ehrig, Hartmut}, year={1994}, collection={Technical
    Report } }'
  chicago: 'Engels, Gregor, and Hartmut Ehrig. “Towards a Module Concept for Graph
    Transformation Systems: The Software Engineering Perspective.” In <i>Proceedings
    Colloquium on Graph Transformation and Its Application in Computer Science</i>,
    Vol. B-19. Technical Report . Universitat de les Illes Balears, Departament de
    Ci, 1994.'
  ieee: 'G. Engels and H. Ehrig, “Towards a Module Concept for Graph Transformation
    Systems: The Software Engineering Perspective,” in <i>Proceedings Colloquium on
    Graph Transformation and its Application in Computer Science</i>, 1994, vol. B-19.'
  mla: 'Engels, Gregor, and Hartmut Ehrig. “Towards a Module Concept for Graph Transformation
    Systems: The Software Engineering Perspective.” <i>Proceedings Colloquium on Graph
    Transformation and Its Application in Computer Science</i>, vol. B-19, Universitat
    de les Illes Balears, Departament de Ci, 1994.'
  short: 'G. Engels, H. Ehrig, in: Proceedings Colloquium on Graph Transformation
    and Its Application in Computer Science, Universitat de les Illes Balears, Departament
    de Ci, 1994.'
date_created: 2019-02-20T13:59:14Z
date_updated: 2022-01-06T07:03:46Z
department:
- _id: '66'
language:
- iso: eng
publication: Proceedings Colloquium on Graph Transformation and its Application in
  Computer Science
publisher: Universitat de les Illes Balears, Departament de Ci
series_title: 'Technical Report '
status: public
title: 'Towards a Module Concept for Graph Transformation Systems: The Software Engineering
  Perspective'
type: conference
user_id: '52534'
volume: B-19
year: '1994'
...
---
_id: '8193'
author:
- first_name: Jürgen
  full_name: Ebert, Jürgen
  last_name: Ebert
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
citation:
  ama: Ebert J, Engels G. <i>Observable or Invocable Behaviour - You Have to Choose</i>.
    Vakgroep Informatica, Rijksuniversiteit Leiden; 1994.
  apa: Ebert, J., &#38; Engels, G. (1994). <i>Observable or Invocable Behaviour -
    You Have to Choose</i>. Vakgroep Informatica, Rijksuniversiteit Leiden.
  bibtex: '@book{Ebert_Engels_1994, title={Observable or Invocable Behaviour - You
    Have to Choose}, publisher={Vakgroep Informatica, Rijksuniversiteit Leiden}, author={Ebert,
    Jürgen and Engels, Gregor}, year={1994} }'
  chicago: Ebert, Jürgen, and Gregor Engels. <i>Observable or Invocable Behaviour
    - You Have to Choose</i>. Vakgroep Informatica, Rijksuniversiteit Leiden, 1994.
  ieee: J. Ebert and G. Engels, <i>Observable or Invocable Behaviour - You Have to
    Choose</i>. Vakgroep Informatica, Rijksuniversiteit Leiden, 1994.
  mla: Ebert, Jürgen, and Gregor Engels. <i>Observable or Invocable Behaviour - You
    Have to Choose</i>. Vakgroep Informatica, Rijksuniversiteit Leiden, 1994.
  short: J. Ebert, G. Engels, Observable or Invocable Behaviour - You Have to Choose,
    Vakgroep Informatica, Rijksuniversiteit Leiden, 1994.
date_created: 2019-03-03T16:12:48Z
date_updated: 2022-01-06T07:03:52Z
department:
- _id: '66'
language:
- iso: eng
publisher: Vakgroep Informatica, Rijksuniversiteit Leiden
report_number: 94-38
status: public
title: Observable or Invocable Behaviour - You Have to Choose
type: report
user_id: '52534'
year: '1994'
...
---
_id: '8263'
abstract:
- lang: eng
  text: We present the hybrid query language HQL/EER for an Extended Entity-Relationship
    model. As its main characteristic, this language allows a user to freely mix graphical
    and textual formulation of a query. We show how syntax and semantics of this hybrid
    language are formally defined by means of a slightly extended version of PROGRES,
    a specification formalism based on programmed and attributed graph rewriting systems.
author:
- first_name: Marc
  full_name: Andries, Marc
  last_name: Andries
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
citation:
  ama: 'Andries M, Engels G. Syntax and Semantics of Hybrid Database Languages. In:
    <i>Proceedings of the International Workshop on Graph Transformations in Computer
    Science (1993), Dagstuhl (Germany)</i>. Vol 776. LNCS. Berlin/Heidelberg: Springer;
    1994:19-36. doi:<a href="http://dx.doi.org/10.1007/3-540-57787-4_2">http://dx.doi.org/10.1007/3-540-57787-4_2</a>'
  apa: 'Andries, M., &#38; Engels, G. (1994). Syntax and Semantics of Hybrid Database
    Languages. In <i>Proceedings of the International Workshop on Graph Transformations
    in Computer Science (1993), Dagstuhl (Germany)</i> (Vol. 776, pp. 19–36). Berlin/Heidelberg:
    Springer. <a href="http://dx.doi.org/10.1007/3-540-57787-4_2">http://dx.doi.org/10.1007/3-540-57787-4_2</a>'
  bibtex: '@inproceedings{Andries_Engels_1994, place={Berlin/Heidelberg}, series={LNCS},
    title={Syntax and Semantics of Hybrid Database Languages}, volume={776}, DOI={<a
    href="http://dx.doi.org/10.1007/3-540-57787-4_2">http://dx.doi.org/10.1007/3-540-57787-4_2</a>},
    booktitle={Proceedings of the International Workshop on Graph Transformations
    in Computer Science (1993), Dagstuhl (Germany)}, publisher={Springer}, author={Andries,
    Marc and Engels, Gregor}, year={1994}, pages={19–36}, collection={LNCS} }'
  chicago: 'Andries, Marc, and Gregor Engels. “Syntax and Semantics of Hybrid Database
    Languages.” In <i>Proceedings of the International Workshop on Graph Transformations
    in Computer Science (1993), Dagstuhl (Germany)</i>, 776:19–36. LNCS. Berlin/Heidelberg:
    Springer, 1994. <a href="http://dx.doi.org/10.1007/3-540-57787-4_2">http://dx.doi.org/10.1007/3-540-57787-4_2</a>.'
  ieee: M. Andries and G. Engels, “Syntax and Semantics of Hybrid Database Languages,”
    in <i>Proceedings of the International Workshop on Graph Transformations in Computer
    Science (1993), Dagstuhl (Germany)</i>, 1994, vol. 776, pp. 19–36.
  mla: Andries, Marc, and Gregor Engels. “Syntax and Semantics of Hybrid Database
    Languages.” <i>Proceedings of the International Workshop on Graph Transformations
    in Computer Science (1993), Dagstuhl (Germany)</i>, vol. 776, Springer, 1994,
    pp. 19–36, doi:<a href="http://dx.doi.org/10.1007/3-540-57787-4_2">http://dx.doi.org/10.1007/3-540-57787-4_2</a>.
  short: 'M. Andries, G. Engels, in: Proceedings of the International Workshop on
    Graph Transformations in Computer Science (1993), Dagstuhl (Germany), Springer,
    Berlin/Heidelberg, 1994, pp. 19–36.'
date_created: 2019-03-04T11:52:13Z
date_updated: 2022-01-06T07:03:52Z
department:
- _id: '66'
doi: http://dx.doi.org/10.1007/3-540-57787-4_2
intvolume: '       776'
language:
- iso: eng
page: 19-36
place: Berlin/Heidelberg
publication: Proceedings of the International Workshop on Graph Transformations in
  Computer Science (1993), Dagstuhl (Germany)
publisher: Springer
series_title: LNCS
status: public
title: Syntax and Semantics of Hybrid Database Languages
type: conference
user_id: '52534'
volume: 776
year: '1994'
...
---
_id: '8264'
author:
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
- first_name: Luuk
  full_name: Groenewegen, Luuk
  last_name: Groenewegen
citation:
  ama: 'Engels G, Groenewegen L. Specification of coordinated behaviour by SOCCA.
    In: <i>Proceedings of the Third European Workshop on Software Process Technology
    (EWSPT 1994), Villard de Lans (France)</i>. LNCS. Berlin/Heidelberg: Springer;
    1994:128-151. doi:<a href="http://dx.doi.org/10.1007/3-540-57739-4_19">http://dx.doi.org/10.1007/3-540-57739-4_19</a>'
  apa: 'Engels, G., &#38; Groenewegen, L. (1994). Specification of coordinated behaviour
    by SOCCA. In <i>Proceedings of the Third European Workshop on Software Process
    Technology (EWSPT 1994), Villard de Lans (France)</i> (pp. 128–151). Berlin/Heidelberg:
    Springer. <a href="http://dx.doi.org/10.1007/3-540-57739-4_19">http://dx.doi.org/10.1007/3-540-57739-4_19</a>'
  bibtex: '@inproceedings{Engels_Groenewegen_1994, place={Berlin/Heidelberg}, series={LNCS},
    title={Specification of coordinated behaviour by SOCCA}, DOI={<a href="http://dx.doi.org/10.1007/3-540-57739-4_19">http://dx.doi.org/10.1007/3-540-57739-4_19</a>},
    booktitle={Proceedings of the Third European Workshop on Software Process Technology
    (EWSPT 1994), Villard de Lans (France)}, publisher={Springer}, author={Engels,
    Gregor and Groenewegen, Luuk}, year={1994}, pages={128–151}, collection={LNCS}
    }'
  chicago: 'Engels, Gregor, and Luuk Groenewegen. “Specification of Coordinated Behaviour
    by SOCCA.” In <i>Proceedings of the Third European Workshop on Software Process
    Technology (EWSPT 1994), Villard de Lans (France)</i>, 128–51. LNCS. Berlin/Heidelberg:
    Springer, 1994. <a href="http://dx.doi.org/10.1007/3-540-57739-4_19">http://dx.doi.org/10.1007/3-540-57739-4_19</a>.'
  ieee: G. Engels and L. Groenewegen, “Specification of coordinated behaviour by SOCCA,”
    in <i>Proceedings of the Third European Workshop on Software Process Technology
    (EWSPT 1994), Villard de Lans (France)</i>, 1994, pp. 128–151.
  mla: Engels, Gregor, and Luuk Groenewegen. “Specification of Coordinated Behaviour
    by SOCCA.” <i>Proceedings of the Third European Workshop on Software Process Technology
    (EWSPT 1994), Villard de Lans (France)</i>, Springer, 1994, pp. 128–51, doi:<a
    href="http://dx.doi.org/10.1007/3-540-57739-4_19">http://dx.doi.org/10.1007/3-540-57739-4_19</a>.
  short: 'G. Engels, L. Groenewegen, in: Proceedings of the Third European Workshop
    on Software Process Technology (EWSPT 1994), Villard de Lans (France), Springer,
    Berlin/Heidelberg, 1994, pp. 128–151.'
date_created: 2019-03-04T11:52:14Z
date_updated: 2022-01-06T07:03:52Z
department:
- _id: '66'
doi: http://dx.doi.org/10.1007/3-540-57739-4_19
language:
- iso: eng
page: 128-151
place: Berlin/Heidelberg
publication: Proceedings of the Third European Workshop on Software Process Technology
  (EWSPT 1994), Villard de Lans (France)
publisher: Springer
series_title: LNCS
status: public
title: Specification of coordinated behaviour by SOCCA
type: conference
user_id: '52534'
year: '1994'
...
---
_id: '8265'
abstract:
- lang: eng
  text: The paper presents an approach to specify in an integrated way by visual,
    diagrammatic languages the structural and behavioural aspects of database applications.
    Hereby, well-known extended Entity-Relationship diagrams are employed to specify
    the structural aspects. The behavioural aspects of a database application are
    specified by using ViAL (Visual Action Language). ViAL specifications are a special
    kind of data (or better object) flow diagrams, where so-called elementary actions
    are used as basic building blocks. These elementary actions are automatically
    derived from a given EER diagram. They guarantee that after finishing their execution
    all inherent integrity constraints are fulfilled. The paper explains the features
    of the language ViAL and gives some illustrating examples.
author:
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
- first_name: Perdita
  full_name: Löhr, Perdita
  last_name: Löhr
citation:
  ama: 'Engels G, Löhr P. Visual Specification of Complex Database Actions. In: <i>Proceedings
    of the 2nd International East/West Database Workshop, Klagenfurt (Germany)</i>.
    Berlin/Heidelberg: Springer; 1994:303-314.'
  apa: 'Engels, G., &#38; Löhr, P. (1994). Visual Specification of Complex Database
    Actions. In <i>Proceedings of the 2nd International East/West Database Workshop,
    Klagenfurt (Germany)</i> (pp. 303–314). Berlin/Heidelberg: Springer.'
  bibtex: '@inproceedings{Engels_Löhr_1994, place={Berlin/Heidelberg}, title={Visual
    Specification of Complex Database Actions}, booktitle={Proceedings of the 2nd
    International East/West Database Workshop, Klagenfurt (Germany)}, publisher={Springer},
    author={Engels, Gregor and Löhr, Perdita}, year={1994}, pages={303–314} }'
  chicago: 'Engels, Gregor, and Perdita Löhr. “Visual Specification of Complex Database
    Actions.” In <i>Proceedings of the 2nd International East/West Database Workshop,
    Klagenfurt (Germany)</i>, 303–14. Berlin/Heidelberg: Springer, 1994.'
  ieee: G. Engels and P. Löhr, “Visual Specification of Complex Database Actions,”
    in <i>Proceedings of the 2nd International East/West Database Workshop, Klagenfurt
    (Germany)</i>, 1994, pp. 303–314.
  mla: Engels, Gregor, and Perdita Löhr. “Visual Specification of Complex Database
    Actions.” <i>Proceedings of the 2nd International East/West Database Workshop,
    Klagenfurt (Germany)</i>, Springer, 1994, pp. 303–14.
  short: 'G. Engels, P. Löhr, in: Proceedings of the 2nd International East/West Database
    Workshop, Klagenfurt (Germany), Springer, Berlin/Heidelberg, 1994, pp. 303–314.'
date_created: 2019-03-04T11:52:15Z
date_updated: 2022-01-06T07:03:52Z
department:
- _id: '66'
language:
- iso: eng
page: 303-314
place: Berlin/Heidelberg
publication: Proceedings of the 2nd International East/West Database Workshop, Klagenfurt
  (Germany)
publisher: Springer
status: public
title: Visual Specification of Complex Database Actions
type: conference
user_id: '52534'
year: '1994'
...
---
_id: '7407'
author:
- first_name: Perdita
  full_name: Löhr-Richter, Perdita
  last_name: Löhr-Richter
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
citation:
  ama: Löhr-Richter P, Engels G. Visuelles Spezifizieren von komplexen Aktionen auf
    Datenbankstrukturen. <i>GI-Datenbank Rundbrief</i>. 1994;13:33-35.
  apa: Löhr-Richter, P., &#38; Engels, G. (1994). Visuelles Spezifizieren von komplexen
    Aktionen auf Datenbankstrukturen. <i>GI-Datenbank Rundbrief</i>, <i>13</i>, 33–35.
  bibtex: '@article{Löhr-Richter_Engels_1994, title={Visuelles Spezifizieren von komplexen
    Aktionen auf Datenbankstrukturen}, volume={13}, journal={GI-Datenbank Rundbrief},
    author={Löhr-Richter, Perdita and Engels, Gregor}, year={1994}, pages={33–35}
    }'
  chicago: 'Löhr-Richter, Perdita, and Gregor Engels. “Visuelles Spezifizieren von
    Komplexen Aktionen Auf Datenbankstrukturen.” <i>GI-Datenbank Rundbrief</i> 13
    (1994): 33–35.'
  ieee: P. Löhr-Richter and G. Engels, “Visuelles Spezifizieren von komplexen Aktionen
    auf Datenbankstrukturen,” <i>GI-Datenbank Rundbrief</i>, vol. 13, pp. 33–35, 1994.
  mla: Löhr-Richter, Perdita, and Gregor Engels. “Visuelles Spezifizieren von Komplexen
    Aktionen Auf Datenbankstrukturen.” <i>GI-Datenbank Rundbrief</i>, vol. 13, 1994,
    pp. 33–35.
  short: P. Löhr-Richter, G. Engels, GI-Datenbank Rundbrief 13 (1994) 33–35.
date_created: 2019-01-31T15:52:25Z
date_updated: 2022-01-06T07:03:36Z
department:
- _id: '66'
intvolume: '        13'
language:
- iso: eng
page: 33-35
publication: GI-Datenbank Rundbrief
status: public
title: Visuelles Spezifizieren von komplexen Aktionen auf Datenbankstrukturen
type: journal_article
user_id: '52534'
volume: 13
year: '1994'
...
---
_id: '7512'
abstract:
- lang: eng
  text: This article gives an overview on how to represent the outcome of the software
    design phase in design documents. The descriptive aspects of the design description
    languages are stressed. The focus is on sequential systems and the description
    is arranged according to the main paradigms that are used in indentifying software
    components. Following a general discussion on how to represent software architectures
    of large systems, each design paradigm is discussend separately with its basic
    concepts, its historical background and its main variants. Some multiparadigmatic
    approaches are discussed, as well which integrate several of the aspects introduced
    before.
author:
- first_name: Jürgen
  full_name: Ebert, Jürgen
  last_name: Ebert
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
citation:
  ama: 'Ebert J, Engels G. Design Representation. In: <i>Encyclopedia of Software
    Engineering</i>. John Wiley &#38; Sons, Inc.; 1994:382-394.'
  apa: Ebert, J., &#38; Engels, G. (1994). Design Representation. In <i>Encyclopedia
    of Software Engineering</i> (pp. 382–394). John Wiley &#38; Sons, Inc.
  bibtex: '@inbook{Ebert_Engels_1994, title={Design Representation}, booktitle={Encyclopedia
    of Software Engineering}, publisher={John Wiley &#38; Sons, Inc.}, author={Ebert,
    Jürgen and Engels, Gregor}, year={1994}, pages={382–394} }'
  chicago: Ebert, Jürgen, and Gregor Engels. “Design Representation.” In <i>Encyclopedia
    of Software Engineering</i>, 382–94. John Wiley &#38; Sons, Inc., 1994.
  ieee: J. Ebert and G. Engels, “Design Representation,” in <i>Encyclopedia of Software
    Engineering</i>, John Wiley &#38; Sons, Inc., 1994, pp. 382–394.
  mla: Ebert, Jürgen, and Gregor Engels. “Design Representation.” <i>Encyclopedia
    of Software Engineering</i>, John Wiley &#38; Sons, Inc., 1994, pp. 382–94.
  short: 'J. Ebert, G. Engels, in: Encyclopedia of Software Engineering, John Wiley
    &#38; Sons, Inc., 1994, pp. 382–394.'
date_created: 2019-02-04T22:39:16Z
date_updated: 2022-01-06T07:03:39Z
department:
- _id: '66'
language:
- iso: eng
page: 382-394
publication: Encyclopedia of Software Engineering
publisher: John Wiley & Sons, Inc.
status: public
title: Design Representation
type: book_chapter
user_id: '52534'
year: '1994'
...
---
_id: '7513'
author:
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
- first_name: Luuk
  full_name: Groenewegen, Luuk
  last_name: Groenewegen
citation:
  ama: 'Engels G, Groenewegen L. SOCCA: Specifications of Coordinated and Cooperative
    Activities. In: <i>Software Process Modelling and Technology</i>. Taunton: Research
    Studies Press; 1994:71-102.'
  apa: 'Engels, G., &#38; Groenewegen, L. (1994). SOCCA: Specifications of Coordinated
    and Cooperative Activities. In <i>Software Process Modelling and Technology</i>
    (pp. 71–102). Taunton: Research Studies Press.'
  bibtex: '@inbook{Engels_Groenewegen_1994, place={Taunton}, title={SOCCA: Specifications
    of Coordinated and Cooperative Activities}, booktitle={Software Process Modelling
    and Technology}, publisher={Research Studies Press}, author={Engels, Gregor and
    Groenewegen, Luuk}, year={1994}, pages={71–102} }'
  chicago: 'Engels, Gregor, and Luuk Groenewegen. “SOCCA: Specifications of Coordinated
    and Cooperative Activities.” In <i>Software Process Modelling and Technology</i>,
    71–102. Taunton: Research Studies Press, 1994.'
  ieee: 'G. Engels and L. Groenewegen, “SOCCA: Specifications of Coordinated and Cooperative
    Activities,” in <i>Software Process Modelling and Technology</i>, Taunton: Research
    Studies Press, 1994, pp. 71–102.'
  mla: 'Engels, Gregor, and Luuk Groenewegen. “SOCCA: Specifications of Coordinated
    and Cooperative Activities.” <i>Software Process Modelling and Technology</i>,
    Research Studies Press, 1994, pp. 71–102.'
  short: 'G. Engels, L. Groenewegen, in: Software Process Modelling and Technology,
    Research Studies Press, Taunton, 1994, pp. 71–102.'
date_created: 2019-02-04T22:40:13Z
date_updated: 2022-01-06T07:03:39Z
department:
- _id: '66'
language:
- iso: eng
page: 71-102
place: Taunton
publication: Software Process Modelling and Technology
publisher: Research Studies Press
status: public
title: 'SOCCA: Specifications of Coordinated and Cooperative Activities'
type: book_chapter
user_id: '52534'
year: '1994'
...
---
_id: '7826'
author:
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
- first_name: A.A.
  full_name: Verrijn-Stuart, A.A.
  last_name: Verrijn-Stuart
citation:
  ama: 'Engels G, Verrijn-Stuart AA. Integrationsaspekte bei verteilter Software-Entwicklung.
    In: <i>Fortschritt-Berichte VDI</i>. Reihe 10: Informatik/Kommunikationstechnik.
    VDI Verlag; 1993:45-53.'
  apa: Engels, G., &#38; Verrijn-Stuart, A. A. (1993). Integrationsaspekte bei verteilter
    Software-Entwicklung. In <i>Fortschritt-Berichte VDI</i> (pp. 45–53). VDI Verlag.
  bibtex: '@inproceedings{Engels_Verrijn-Stuart_1993, series={Reihe 10: Informatik/Kommunikationstechnik},
    title={Integrationsaspekte bei verteilter Software-Entwicklung}, number={251},
    booktitle={Fortschritt-Berichte VDI}, publisher={VDI Verlag}, author={Engels,
    Gregor and Verrijn-Stuart, A.A.}, year={1993}, pages={45–53}, collection={Reihe
    10: Informatik/Kommunikationstechnik} }'
  chicago: 'Engels, Gregor, and A.A. Verrijn-Stuart. “Integrationsaspekte Bei Verteilter
    Software-Entwicklung.” In <i>Fortschritt-Berichte VDI</i>, 45–53. Reihe 10: Informatik/Kommunikationstechnik.
    VDI Verlag, 1993.'
  ieee: G. Engels and A. A. Verrijn-Stuart, “Integrationsaspekte bei verteilter Software-Entwicklung,”
    in <i>Fortschritt-Berichte VDI</i>, 1993, no. 251, pp. 45–53.
  mla: Engels, Gregor, and A. A. Verrijn-Stuart. “Integrationsaspekte Bei Verteilter
    Software-Entwicklung.” <i>Fortschritt-Berichte VDI</i>, no. 251, VDI Verlag, 1993,
    pp. 45–53.
  short: 'G. Engels, A.A. Verrijn-Stuart, in: Fortschritt-Berichte VDI, VDI Verlag,
    1993, pp. 45–53.'
date_created: 2019-02-20T13:51:38Z
date_updated: 2022-01-06T07:03:46Z
department:
- _id: '66'
issue: '251'
language:
- iso: eng
page: 45-53
publication: Fortschritt-Berichte VDI
publisher: VDI Verlag
series_title: 'Reihe 10: Informatik/Kommunikationstechnik'
status: public
title: Integrationsaspekte bei verteilter Software-Entwicklung
type: conference
user_id: '52534'
year: '1993'
...
---
_id: '8190'
author:
- first_name: Marc
  full_name: Andries, Marc
  last_name: Andries
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
citation:
  ama: Andries M, Engels G. <i>A Hybrid Query Language for the Extended Entity Relationship
    Model</i>. Vakgroep Informatica, Rijksuniversiteit Leiden; 1993.
  apa: Andries, M., &#38; Engels, G. (1993). <i>A Hybrid Query Language for the Extended
    Entity Relationship Model</i>. Vakgroep Informatica, Rijksuniversiteit Leiden.
  bibtex: '@book{Andries_Engels_1993, title={A Hybrid Query Language for the Extended
    Entity Relationship Model}, publisher={Vakgroep Informatica, Rijksuniversiteit
    Leiden}, author={Andries, Marc and Engels, Gregor}, year={1993} }'
  chicago: Andries, Marc, and Gregor Engels. <i>A Hybrid Query Language for the Extended
    Entity Relationship Model</i>. Vakgroep Informatica, Rijksuniversiteit Leiden,
    1993.
  ieee: M. Andries and G. Engels, <i>A Hybrid Query Language for the Extended Entity
    Relationship Model</i>. Vakgroep Informatica, Rijksuniversiteit Leiden, 1993.
  mla: Andries, Marc, and Gregor Engels. <i>A Hybrid Query Language for the Extended
    Entity Relationship Model</i>. Vakgroep Informatica, Rijksuniversiteit Leiden,
    1993.
  short: M. Andries, G. Engels, A Hybrid Query Language for the Extended Entity Relationship
    Model, Vakgroep Informatica, Rijksuniversiteit Leiden, 1993.
date_created: 2019-03-03T16:12:44Z
date_updated: 2022-01-06T07:03:52Z
department:
- _id: '66'
language:
- iso: eng
publisher: Vakgroep Informatica, Rijksuniversiteit Leiden
report_number: 93-15
status: public
title: A Hybrid Query Language for the Extended Entity Relationship Model
type: report
user_id: '52534'
year: '1993'
...
---
_id: '8191'
author:
- first_name: Hartmut
  full_name: Ehrig, Hartmut
  last_name: Ehrig
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
citation:
  ama: Ehrig H, Engels G. <i>Towards a Module Concept for Graph Transformation Systems</i>.
    Vakgroep Informatica, Rijksuniversiteit Leiden; 1993.
  apa: Ehrig, H., &#38; Engels, G. (1993). <i>Towards a Module Concept for Graph Transformation
    Systems</i>. Vakgroep Informatica, Rijksuniversiteit Leiden.
  bibtex: '@book{Ehrig_Engels_1993, title={Towards a Module Concept for Graph Transformation
    Systems}, publisher={Vakgroep Informatica, Rijksuniversiteit Leiden}, author={Ehrig,
    Hartmut and Engels, Gregor}, year={1993} }'
  chicago: Ehrig, Hartmut, and Gregor Engels. <i>Towards a Module Concept for Graph
    Transformation Systems</i>. Vakgroep Informatica, Rijksuniversiteit Leiden, 1993.
  ieee: H. Ehrig and G. Engels, <i>Towards a Module Concept for Graph Transformation
    Systems</i>. Vakgroep Informatica, Rijksuniversiteit Leiden, 1993.
  mla: Ehrig, Hartmut, and Gregor Engels. <i>Towards a Module Concept for Graph Transformation
    Systems</i>. Vakgroep Informatica, Rijksuniversiteit Leiden, 1993.
  short: H. Ehrig, G. Engels, Towards a Module Concept for Graph Transformation Systems,
    Vakgroep Informatica, Rijksuniversiteit Leiden, 1993.
date_created: 2019-03-03T16:12:46Z
date_updated: 2022-01-06T07:03:52Z
department:
- _id: '66'
language:
- iso: eng
publisher: Vakgroep Informatica, Rijksuniversiteit Leiden
report_number: 93-34
status: public
title: Towards a Module Concept for Graph Transformation Systems
type: report
user_id: '52534'
year: '1993'
...
---
_id: '8192'
author:
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
- first_name: Grzegorz
  full_name: Rozenberg, Grzegorz
  last_name: Rozenberg
citation:
  ama: Engels G, Rozenberg G. <i>Abstracts COMPUGRAPH II Workshop</i>. Vakgroep Informatica,
    Rijksuniversiteit Leiden; 1993.
  apa: Engels, G., &#38; Rozenberg, G. (1993). <i>Abstracts COMPUGRAPH II Workshop</i>.
    Vakgroep Informatica, Rijksuniversiteit Leiden.
  bibtex: '@book{Engels_Rozenberg_1993, title={Abstracts COMPUGRAPH II Workshop},
    publisher={Vakgroep Informatica, Rijksuniversiteit Leiden}, author={Engels, Gregor
    and Rozenberg, Grzegorz}, year={1993} }'
  chicago: Engels, Gregor, and Grzegorz Rozenberg. <i>Abstracts COMPUGRAPH II Workshop</i>.
    Vakgroep Informatica, Rijksuniversiteit Leiden, 1993.
  ieee: G. Engels and G. Rozenberg, <i>Abstracts COMPUGRAPH II Workshop</i>. Vakgroep
    Informatica, Rijksuniversiteit Leiden, 1993.
  mla: Engels, Gregor, and Grzegorz Rozenberg. <i>Abstracts COMPUGRAPH II Workshop</i>.
    Vakgroep Informatica, Rijksuniversiteit Leiden, 1993.
  short: G. Engels, G. Rozenberg, Abstracts COMPUGRAPH II Workshop, Vakgroep Informatica,
    Rijksuniversiteit Leiden, 1993.
date_created: 2019-03-03T16:12:47Z
date_updated: 2022-01-06T07:03:52Z
department:
- _id: '66'
language:
- iso: eng
publisher: Vakgroep Informatica, Rijksuniversiteit Leiden
report_number: 93-26
status: public
title: Abstracts COMPUGRAPH II Workshop
type: report
user_id: '52534'
year: '1993'
...
---
_id: '8262'
author:
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
- first_name: Luuk
  full_name: Groenewegen, Luuk
  last_name: Groenewegen
citation:
  ama: 'Engels G, Groenewegen L. Modular, Visual Specifications of Software Processes.
    In: <i>Proceedings of the Workshop on Software Process (ISPW 1993), Wadern (Germany)</i>.
    Washington, DC, USA: IEEE Computer Society; 1993:66-68.'
  apa: 'Engels, G., &#38; Groenewegen, L. (1993). Modular, Visual Specifications of
    Software Processes. In <i>Proceedings of the Workshop on Software Process (ISPW
    1993), Wadern (Germany)</i> (pp. 66–68). Washington, DC, USA: IEEE Computer Society.'
  bibtex: '@inproceedings{Engels_Groenewegen_1993, place={Washington, DC, USA}, title={Modular,
    Visual Specifications of Software Processes}, booktitle={Proceedings of the Workshop
    on Software Process (ISPW 1993), Wadern (Germany)}, publisher={IEEE Computer Society},
    author={Engels, Gregor and Groenewegen, Luuk}, year={1993}, pages={66–68} }'
  chicago: 'Engels, Gregor, and Luuk Groenewegen. “Modular, Visual Specifications
    of Software Processes.” In <i>Proceedings of the Workshop on Software Process
    (ISPW 1993), Wadern (Germany)</i>, 66–68. Washington, DC, USA: IEEE Computer Society,
    1993.'
  ieee: G. Engels and L. Groenewegen, “Modular, Visual Specifications of Software
    Processes,” in <i>Proceedings of the Workshop on Software Process (ISPW 1993),
    Wadern (Germany)</i>, 1993, pp. 66–68.
  mla: Engels, Gregor, and Luuk Groenewegen. “Modular, Visual Specifications of Software
    Processes.” <i>Proceedings of the Workshop on Software Process (ISPW 1993), Wadern
    (Germany)</i>, IEEE Computer Society, 1993, pp. 66–68.
  short: 'G. Engels, L. Groenewegen, in: Proceedings of the Workshop on Software Process
    (ISPW 1993), Wadern (Germany), IEEE Computer Society, Washington, DC, USA, 1993,
    pp. 66–68.'
date_created: 2019-03-04T11:52:12Z
date_updated: 2022-01-06T07:03:52Z
department:
- _id: '66'
language:
- iso: eng
page: 66-68
place: Washington, DC, USA
publication: Proceedings of the Workshop on Software Process (ISPW 1993), Wadern (Germany)
publisher: IEEE Computer Society
status: public
title: Modular, Visual Specifications of Software Processes
type: conference
user_id: '52534'
year: '1993'
...
---
_id: '7825'
author:
- first_name: Pieter
  full_name: Koopman, Pieter
  last_name: Koopman
- first_name: Luuk
  full_name: Groenewegen, Luuk
  last_name: Groenewegen
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
citation:
  ama: 'Koopman P, Groenewegen L, Engels G. Functional Description of Parallel Processes.
    In: <i>Proceedings of the Conference SION Computing Science in the Netherlands
    (CSN ’92), The Netherlands</i>. ; 1992:156-167.'
  apa: Koopman, P., Groenewegen, L., &#38; Engels, G. (1992). Functional Description
    of Parallel Processes. In <i>Proceedings of the conference SION Computing Science
    in the Netherlands (CSN ’92), The Netherlands</i> (pp. 156–167).
  bibtex: '@inproceedings{Koopman_Groenewegen_Engels_1992, title={Functional Description
    of Parallel Processes}, booktitle={Proceedings of the conference SION Computing
    Science in the Netherlands (CSN ’92), The Netherlands}, author={Koopman, Pieter
    and Groenewegen, Luuk and Engels, Gregor}, year={1992}, pages={156–167} }'
  chicago: Koopman, Pieter, Luuk Groenewegen, and Gregor Engels. “Functional Description
    of Parallel Processes.” In <i>Proceedings of the Conference SION Computing Science
    in the Netherlands (CSN ’92), The Netherlands</i>, 156–67, 1992.
  ieee: P. Koopman, L. Groenewegen, and G. Engels, “Functional Description of Parallel
    Processes,” in <i>Proceedings of the conference SION Computing Science in the
    Netherlands (CSN ’92), The Netherlands</i>, 1992, pp. 156–167.
  mla: Koopman, Pieter, et al. “Functional Description of Parallel Processes.” <i>Proceedings
    of the Conference SION Computing Science in the Netherlands (CSN ’92), The Netherlands</i>,
    1992, pp. 156–67.
  short: 'P. Koopman, L. Groenewegen, G. Engels, in: Proceedings of the Conference
    SION Computing Science in the Netherlands (CSN ’92), The Netherlands, 1992, pp.
    156–167.'
date_created: 2019-02-20T13:51:12Z
date_updated: 2022-01-06T07:03:46Z
department:
- _id: '66'
language:
- iso: eng
page: 156-167
publication: Proceedings of the conference SION Computing Science in the Netherlands
  (CSN '92), The Netherlands
status: public
title: Functional Description of Parallel Processes
type: conference
user_id: '52534'
year: '1992'
...
---
_id: '8189'
author:
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
citation:
  ama: Engels G. <i>Visual Specifications of Conceptual Database Schemata (Abstract)</i>.
    Leiden University; 1992.
  apa: Engels, G. (1992). <i>Visual Specifications of Conceptual Database Schemata
    (Abstract)</i>. Leiden University.
  bibtex: '@book{Engels_1992, title={Visual Specifications of Conceptual Database
    Schemata (Abstract)}, publisher={Leiden University}, author={Engels, Gregor},
    year={1992} }'
  chicago: Engels, Gregor. <i>Visual Specifications of Conceptual Database Schemata
    (Abstract)</i>. Leiden University, 1992.
  ieee: G. Engels, <i>Visual Specifications of Conceptual Database Schemata (Abstract)</i>.
    Leiden University, 1992.
  mla: Engels, Gregor. <i>Visual Specifications of Conceptual Database Schemata (Abstract)</i>.
    Leiden University, 1992.
  short: G. Engels, Visual Specifications of Conceptual Database Schemata (Abstract),
    Leiden University, 1992.
date_created: 2019-03-03T16:12:43Z
date_updated: 2022-01-06T07:03:52Z
department:
- _id: '66'
language:
- iso: eng
publisher: Leiden University
status: public
title: Visual Specifications of Conceptual Database Schemata (Abstract)
type: report
user_id: '52534'
year: '1992'
...
---
_id: '8260'
abstract:
- lang: eng
  text: This experience report describes the development of the CASE environment CADDY
    Computer-Aided Design of non-traditional Databases 1 which oflers an integrated
    set of tools for specifying, analyzing, and prototyping a database application
    on a conceptual level. This environment was designed and implemented during the
    last four years at Braunschweig Technical University (Germany). The process of
    developing this environment consisted of a sequence of development steps, where
    each step corresponded to (at least) one of five main tasks. The intention of
    this report is to describe these five tasks. At the end, we will critically reflect
    on the achieved results and solved problems, but also on still open questions
    of the CADDY environment.
author:
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
- first_name: Perdita
  full_name: Löhr-Richter, Perdita
  last_name: Löhr-Richter
citation:
  ama: 'Engels G, Löhr-Richter P. CADDY: A Highly Integrated Environment to Support
    Conceptual Database Design. In: <i>Proceedings of the Fifth International Workshop
    on Computer-Aided Software Engineering (CASE 1992), Montreal (Canada)</i>. Washington,
    DC, USA: IEEE Computer Society; 1992:19-22.'
  apa: 'Engels, G., &#38; Löhr-Richter, P. (1992). CADDY: A Highly Integrated Environment
    to Support Conceptual Database Design. In <i>Proceedings of the Fifth International
    Workshop on Computer-Aided Software Engineering (CASE 1992), Montreal (Canada)</i>
    (pp. 19–22). Washington, DC, USA: IEEE Computer Society.'
  bibtex: '@inproceedings{Engels_Löhr-Richter_1992, place={Washington, DC, USA}, title={CADDY:
    A Highly Integrated Environment to Support Conceptual Database Design}, booktitle={Proceedings
    of the Fifth International Workshop on Computer-Aided Software Engineering (CASE
    1992), Montreal (Canada)}, publisher={IEEE Computer Society}, author={Engels,
    Gregor and Löhr-Richter, Perdita}, year={1992}, pages={19–22} }'
  chicago: 'Engels, Gregor, and Perdita Löhr-Richter. “CADDY: A Highly Integrated
    Environment to Support Conceptual Database Design.” In <i>Proceedings of the Fifth
    International Workshop on Computer-Aided Software Engineering (CASE 1992), Montreal
    (Canada)</i>, 19–22. Washington, DC, USA: IEEE Computer Society, 1992.'
  ieee: 'G. Engels and P. Löhr-Richter, “CADDY: A Highly Integrated Environment to
    Support Conceptual Database Design,” in <i>Proceedings of the Fifth International
    Workshop on Computer-Aided Software Engineering (CASE 1992), Montreal (Canada)</i>,
    1992, pp. 19–22.'
  mla: 'Engels, Gregor, and Perdita Löhr-Richter. “CADDY: A Highly Integrated Environment
    to Support Conceptual Database Design.” <i>Proceedings of the Fifth International
    Workshop on Computer-Aided Software Engineering (CASE 1992), Montreal (Canada)</i>,
    IEEE Computer Society, 1992, pp. 19–22.'
  short: 'G. Engels, P. Löhr-Richter, in: Proceedings of the Fifth International Workshop
    on Computer-Aided Software Engineering (CASE 1992), Montreal (Canada), IEEE Computer
    Society, Washington, DC, USA, 1992, pp. 19–22.'
date_created: 2019-03-04T11:52:10Z
date_updated: 2022-01-06T07:03:52Z
department:
- _id: '66'
language:
- iso: eng
page: 19-22
place: Washington, DC, USA
publication: Proceedings of the Fifth International Workshop on Computer-Aided Software
  Engineering (CASE 1992), Montreal (Canada)
publisher: IEEE Computer Society
status: public
title: 'CADDY: A Highly Integrated Environment to Support Conceptual Database Design'
type: conference
user_id: '52534'
year: '1992'
...
---
_id: '8261'
author:
- first_name: Gregor
  full_name: Engels, Gregor
  id: '107'
  last_name: Engels
- first_name: Luuk
  full_name: Groenewegen, Luuk
  last_name: Groenewegen
citation:
  ama: 'Engels G, Groenewegen L. Specification of Coordinated Behaviour in the Software
    Development Process. In: <i>Proceedings of the Second European Workshop on Software
    Process Technology (EWSPT 92), Trondheim, Norway</i>. Vol 635. LNCS. Berlin/Heidelberg:
    Springer; 1992:58-60. doi:<a href="http://dx.doi.org/10.1007/BFb0017495">http://dx.doi.org/10.1007/BFb0017495</a>'
  apa: 'Engels, G., &#38; Groenewegen, L. (1992). Specification of Coordinated Behaviour
    in the Software Development Process. In <i>Proceedings of the Second European
    Workshop on Software Process Technology (EWSPT 92), Trondheim, Norway</i> (Vol.
    635, pp. 58–60). Berlin/Heidelberg: Springer. <a href="http://dx.doi.org/10.1007/BFb0017495">http://dx.doi.org/10.1007/BFb0017495</a>'
  bibtex: '@inproceedings{Engels_Groenewegen_1992, place={Berlin/Heidelberg}, series={LNCS},
    title={Specification of Coordinated Behaviour in the Software Development Process},
    volume={635}, DOI={<a href="http://dx.doi.org/10.1007/BFb0017495">http://dx.doi.org/10.1007/BFb0017495</a>},
    booktitle={Proceedings of the Second European Workshop on Software Process Technology
    (EWSPT 92), Trondheim, Norway}, publisher={Springer}, author={Engels, Gregor and
    Groenewegen, Luuk}, year={1992}, pages={58–60}, collection={LNCS} }'
  chicago: 'Engels, Gregor, and Luuk Groenewegen. “Specification of Coordinated Behaviour
    in the Software Development Process.” In <i>Proceedings of the Second European
    Workshop on Software Process Technology (EWSPT 92), Trondheim, Norway</i>, 635:58–60.
    LNCS. Berlin/Heidelberg: Springer, 1992. <a href="http://dx.doi.org/10.1007/BFb0017495">http://dx.doi.org/10.1007/BFb0017495</a>.'
  ieee: G. Engels and L. Groenewegen, “Specification of Coordinated Behaviour in the
    Software Development Process,” in <i>Proceedings of the Second European Workshop
    on Software Process Technology (EWSPT 92), Trondheim, Norway</i>, 1992, vol. 635,
    pp. 58–60.
  mla: Engels, Gregor, and Luuk Groenewegen. “Specification of Coordinated Behaviour
    in the Software Development Process.” <i>Proceedings of the Second European Workshop
    on Software Process Technology (EWSPT 92), Trondheim, Norway</i>, vol. 635, Springer,
    1992, pp. 58–60, doi:<a href="http://dx.doi.org/10.1007/BFb0017495">http://dx.doi.org/10.1007/BFb0017495</a>.
  short: 'G. Engels, L. Groenewegen, in: Proceedings of the Second European Workshop
    on Software Process Technology (EWSPT 92), Trondheim, Norway, Springer, Berlin/Heidelberg,
    1992, pp. 58–60.'
date_created: 2019-03-04T11:52:11Z
date_updated: 2022-01-06T07:03:52Z
department:
- _id: '66'
doi: http://dx.doi.org/10.1007/BFb0017495
intvolume: '       635'
language:
- iso: eng
page: 58-60
place: Berlin/Heidelberg
publication: Proceedings of the Second European Workshop on Software Process Technology
  (EWSPT 92), Trondheim, Norway
publisher: Springer
series_title: LNCS
status: public
title: Specification of Coordinated Behaviour in the Software Development Process
type: conference
user_id: '52534'
volume: 635
year: '1992'
...