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Documents authored by Leymann, Frank

Document
DOI: 10.4230/DagSemProc.10021.1
10021 Abstracts Collection – Service-Oriented Architecture and (Multi-)Agent Systems Technology

Authors: Monique Calisti, Frank Leymann, Frank P. Dignum, Ryszard Kowalczyk, and Rainer Unland

Published in: Dagstuhl Seminar Proceedings, Volume 10021, Service-Oriented Architecture and (Multi-)Agent Systems Technology (2010)

Abstract
From 10.01. to 15.01.2010, Dagstuhl Seminar 10021 ``Service-Oriented Architecture and (Multi-)Agent Systems Technology '' was held in Schloss Dagstuhl~--~Leibniz Center for Informatics. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.
Cite as

Monique Calisti, Frank Leymann, Frank P. Dignum, Ryszard Kowalczyk, and Rainer Unland. 10021 Abstracts Collection – Service-Oriented Architecture and (Multi-)Agent Systems Technology. In Service-Oriented Architecture and (Multi-)Agent Systems Technology. Dagstuhl Seminar Proceedings, Volume 10021, pp. 1-16, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2010)

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@InProceedings{calisti_et_al:DagSemProc.10021.1,
  author =	{Calisti, Monique and Leymann, Frank and Dignum, Frank P. and Kowalczyk, Ryszard and Unland, Rainer},
  title =	{{10021 Abstracts Collection – Service-Oriented Architecture and (Multi-)Agent Systems Technology}},
  booktitle =	{Service-Oriented Architecture and (Multi-)Agent Systems Technology},
  pages =	{1--16},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2010},
  volume =	{10021},
  editor =	{Monique Calisti and Frank P. Dignum and Ryszard Kowalczyk and Frank Leymann and Rainer Unland},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.10021.1},
  URN =		{urn:nbn:de:0030-drops-28461},
  doi =		{10.4230/DagSemProc.10021.1},
  annote =	{Keywords: Service-oriented computing (SOC), Service-oriented architecture (SOA), multi-agent systems (MAS), engineering complex distributed systems, governance adaptability, dynamism, flexibility, autonomy}
}
Document
DOI: 10.4230/DagSemProc.10021.2
10021 Executive Summary – Service-Oriented Architecture and (Multi-)Agent Systems Technology

Authors: Monique Calisti, Frank Leymann, Frank P. Dignum, Ryszard Kowalczyk, and Rainer Unland

Published in: Dagstuhl Seminar Proceedings, Volume 10021, Service-Oriented Architecture and (Multi-)Agent Systems Technology (2010)

Abstract
Service-Oriented Architecture (SOA) stands for a standards-based and technology-independent distributed computing paradigm and architectural style which is especially suited to meet the demands of today’s dynamic business applications. Based on a comprehensive set of independent or at most loosely-coupled and network-available software services SOA is supposed to provide a platform for an efficient and effective publication, discovery, binding, and assembly of these services. Intelligent agents can be regarded as autonomous, problem-solving computational entities with social abilities that are capable of effective pro-active behavior in open and dynamic environments. If the term entity is replaced by service the substantial overlap in interests between both communities can easily be imagined. Nevertheless, right now the main research focus of each community seems to be different. The SOA community concentrates mainly on developing service engineering methodologies. Active topics in the multi-agent systems community are collaboration, self-organization, adaptability, flexibility, pro-activeness, and interoperability. The overlap between those two communities and the fact that they concentrate on different research topics can definitely be seen as a huge chance since it means that each community may be able to benefit from the research efforts of the other. This seminar brought members from both communities together in order to identify such areas of mutual benefit. After extensive general discussions the seminar concentrated on three topics, namely the engineering of complex distributed systems, its governance, and its adaptability and requirements for dynamism.
Cite as

Monique Calisti, Frank Leymann, Frank P. Dignum, Ryszard Kowalczyk, and Rainer Unland. 10021 Executive Summary – Service-Oriented Architecture and (Multi-)Agent Systems Technology. In Service-Oriented Architecture and (Multi-)Agent Systems Technology. Dagstuhl Seminar Proceedings, Volume 10021, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2010)

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@InProceedings{calisti_et_al:DagSemProc.10021.2,
  author =	{Calisti, Monique and Leymann, Frank and Dignum, Frank P. and Kowalczyk, Ryszard and Unland, Rainer},
  title =	{{10021 Executive Summary – Service-Oriented Architecture and (Multi-)Agent Systems Technology}},
  booktitle =	{Service-Oriented Architecture and (Multi-)Agent Systems Technology},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2010},
  volume =	{10021},
  editor =	{Monique Calisti and Frank P. Dignum and Ryszard Kowalczyk and Frank Leymann and Rainer Unland},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.10021.2},
  URN =		{urn:nbn:de:0030-drops-28459},
  doi =		{10.4230/DagSemProc.10021.2},
  annote =	{Keywords: Service-oriented computing (SOC), Service-oriented architecture (SOA), multi-agent systems (MAS), engineering complex distributed systems, governance adaptability, dynamism, flexibility, autonomy}
}
Document
DOI: 10.4230/DagSemProc.09021.1
09021 Abstracts Collection – Software Service Engineering

Authors: Frank Leymann, Tony Shan, Olaf Zimmermann, and Willem-Jan van den Heuvel

Published in: Dagstuhl Seminar Proceedings, Volume 9021, Software Service Engineering (2009)

Abstract
From 04.01. to 07.01.2009, the Dagstuhl Seminar 09021 ``Software Service Engineering '' was held in Schloss Dagstuhl~--~Leibniz Center for Informatics. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.
Cite as

Frank Leymann, Tony Shan, Olaf Zimmermann, and Willem-Jan van den Heuvel. 09021 Abstracts Collection – Software Service Engineering. In Software Service Engineering. Dagstuhl Seminar Proceedings, Volume 9021, pp. 1-10, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2009)

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@InProceedings{leymann_et_al:DagSemProc.09021.1,
  author =	{Leymann, Frank and Shan, Tony and Zimmermann, Olaf and van den Heuvel, Willem-Jan},
  title =	{{09021 Abstracts Collection – Software Service Engineering}},
  booktitle =	{Software Service Engineering},
  pages =	{1--10},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2009},
  volume =	{9021},
  editor =	{Frank Leymann and Tony Shan and Willen-Jan van den Heuvel and Olaf Zimmermann},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.09021.1},
  URN =		{urn:nbn:de:0030-drops-20463},
  doi =		{10.4230/DagSemProc.09021.1},
  annote =	{Keywords: Service engineering, software engineering, service-oriented computing, service-oriented analysis and design, SOA, systems engineering, Web engineering}
}
Document
DOI: 10.4230/DagSemProc.09021.2
09021 Executive Summary – Software Service Engineering

Authors: Willem-Jan van den Heuvel, Olaf Zimmermann, Frank Leymann, and Tony Shan

Published in: Dagstuhl Seminar Proceedings, Volume 9021, Software Service Engineering (2009)

Abstract
Service-Oriented Architecture (SOA) constitutes an important, standards-based and technology-independent distributed computing paradigm and architectural style for discovering, binding, assembling, and publishing loosely-coupled and network-available software services. With SOA-enabled applications operating in highly complex, distributed, and heterogeneous execution environments, SOA practitioners encounter the limits of traditional software engineering. In this Dagstuhl seminar, we have discussed and explored the fundamental tenets underpinning the development and maintenance of SOA systems. As a result of our discussions, we position software service engineering as an evolving and converging discipline that embraces the open world assumption. Software service engineering entails a departure from traditional software engineering disciplines such as component-based development, supplementing them with techniques and patterns tailored to service enablement, composition, and management.
Cite as

Willem-Jan van den Heuvel, Olaf Zimmermann, Frank Leymann, and Tony Shan. 09021 Executive Summary – Software Service Engineering. In Software Service Engineering. Dagstuhl Seminar Proceedings, Volume 9021, pp. 1-12, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2009)

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@InProceedings{vandenheuvel_et_al:DagSemProc.09021.2,
  author =	{van den Heuvel, Willem-Jan and Zimmermann, Olaf and Leymann, Frank and Shan, Tony},
  title =	{{09021 Executive Summary – Software Service Engineering}},
  booktitle =	{Software Service Engineering},
  pages =	{1--12},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2009},
  volume =	{9021},
  editor =	{Frank Leymann and Tony Shan and Willen-Jan van den Heuvel and Olaf Zimmermann},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.09021.2},
  URN =		{urn:nbn:de:0030-drops-20412},
  doi =		{10.4230/DagSemProc.09021.2},
  annote =	{Keywords: Service engineering, software engineering, service-oriented computing, service-oriented analysis and design, SOA, systems engineering, Web engineering}
}
Document
DOI: 10.4230/DagSemProc.06291.1
06291 Abstracts Collection – The Role of Business Processes in Service-Oriented Architectures

Authors: Frank Leymann, Wolfgang Reisig, Satish R. Thatte, and Wil van der Aalst

Published in: Dagstuhl Seminar Proceedings, Volume 6291, The Role of Business Processes in Service Oriented Architectures (2006)

Abstract
The Dagstuhl seminar on \emph{The Role of Business Processes in Service Oriented Architectures} (Seminar 06291) took place in July 2006 (16.07.2006-21.07.2006 to be precise). The seminar was attended by more than 40 experts from both academia and industry. Unlike most Dagstuhl seminars there was a high participation from industry (in particular from organizations developing software, e.g., IBM, SAP, Microsoft, Google, etc.). The focal point of the seminar was the marriage of business processes and service oriented architectures. This was reflected by the topics selected by the participants and their background.
Cite as

Frank Leymann, Wolfgang Reisig, Satish R. Thatte, and Wil van der Aalst. 06291 Abstracts Collection – The Role of Business Processes in Service-Oriented Architectures. In The Role of Business Processes in Service Oriented Architectures. Dagstuhl Seminar Proceedings, Volume 6291, pp. 1-28, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2006)

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@InProceedings{leymann_et_al:DagSemProc.06291.1,
  author =	{Leymann, Frank and Reisig, Wolfgang and Thatte, Satish R. and van der Aalst, Wil},
  title =	{{06291 Abstracts Collection – The Role of Business Processes in Service-Oriented Architectures}},
  booktitle =	{The Role of Business Processes in Service Oriented Architectures},
  pages =	{1--28},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2006},
  volume =	{6291},
  editor =	{Frank Leymann and Wolfgang Reisig and Satish R. Thatte and Wil van der Aalst},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.06291.1},
  URN =		{urn:nbn:de:0030-drops-8324},
  doi =		{10.4230/DagSemProc.06291.1},
  annote =	{Keywords: Business Process Management, Workflow Management, Middleware, Service Oriented Architecture, Web Services, Petri-Nets, Transaction Models, Mega-Programming}
}
Document
DOI: 10.4230/DagSemProc.06291.12
Pricing Web Services

Authors: Oliver Günther, Gerrit Tamm, and Frank Leymann

Published in: Dagstuhl Seminar Proceedings, Volume 6291, The Role of Business Processes in Service Oriented Architectures (2006)

Abstract
This paper focuses on the challenges associated with composing and pricing web services. We present the results of an online experiment, where subjects were confronted with a variety of choices and decisions relating to web service markets and service composition. Our analysis shows that people expect the price of a composite web service to be lower than the sum of the prices of the elementary services, i.e., users are not willing to pay for aggregation by a third party. To obtain a viable business model for composed web services, non-standard pricing mechanisms, such as auctions and negotiations, possibly supported by electronic agents, have to be taken into consideration. Usage-based pricing schemes, combined with an option to switch to a flat subscription, seem most appropriate to penetrate the developing web service market.
Cite as

Oliver Günther, Gerrit Tamm, and Frank Leymann. Pricing Web Services. In The Role of Business Processes in Service Oriented Architectures. Dagstuhl Seminar Proceedings, Volume 6291, pp. 1-13, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2006)

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@InProceedings{gunther_et_al:DagSemProc.06291.12,
  author =	{G\"{u}nther, Oliver and Tamm, Gerrit and Leymann, Frank},
  title =	{{Pricing Web Services}},
  booktitle =	{The Role of Business Processes in Service Oriented Architectures},
  pages =	{1--13},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2006},
  volume =	{6291},
  editor =	{Frank Leymann and Wolfgang Reisig and Satish R. Thatte and Wil van der Aalst},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.06291.12},
  URN =		{urn:nbn:de:0030-drops-8220},
  doi =		{10.4230/DagSemProc.06291.12},
  annote =	{Keywords: Composite web services, pricing}
}
Document
DOI: 10.4230/DagSemProc.05462.4
05462 Service-Oriented Computing: A Research Roadmap

Authors: Michael P. Papazoglou, Paolo Traverso, Schahram Dustdar, Frank Leymann, and Bernd J. Krämer

Published in: Dagstuhl Seminar Proceedings, Volume 5462, Service Oriented Computing (SOC) (2006)

Abstract
This document presents a Services Research Roadmap that launches four pivotal, inherently related, research themes to Service-Oriented Computing (SOC): service foundations, service composition, service management and monitoring and service-oriented engineering. Each theme is introduced briefly from a technology, state of the art and scientific challenges standpoint. From the technology standpoint a comprehensive review of state of the art, standards, and current research activities in each key area is provided. From the state of the art the major open problems and bottlenecks to progress are identified. During the during seminar each core theme was initially introduced by a leading expert in the field who described the state of the art and highlighting open problems and important research topics for the SOC community to work on in the future. These experts were then asked to coordinate parallel workgroups that were entrusted with an in-depth analysis of the research opportunities and needs in the respective theme. The findings presented in this summary report build on the advice of those panels of experts from industry and academia who participated in this Dagstuhl Seminar and met at other occasions during the past three years, e.g., at the International Conference on Service Oriented Computing (ICSOC, see www.icsoc.org). These experts represent many disciplines including distributed computing, database and information systems, software engineering, computer architectures and middleware and knowledge representation.
Cite as

Michael P. Papazoglou, Paolo Traverso, Schahram Dustdar, Frank Leymann, and Bernd J. Krämer. 05462 Service-Oriented Computing: A Research Roadmap. In Service Oriented Computing (SOC). Dagstuhl Seminar Proceedings, Volume 5462, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2006)

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@InProceedings{papazoglou_et_al:DagSemProc.05462.4,
  author =	{Papazoglou, Michael P. and Traverso, Paolo and Dustdar, Schahram and Leymann, Frank and Kr\"{a}mer, Bernd J.},
  title =	{{05462 Service-Oriented Computing: A Research Roadmap}},
  booktitle =	{Service Oriented Computing (SOC)},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2006},
  volume =	{5462},
  editor =	{Francisco Cubera and Bernd J. Kr\"{a}mer and Michael P. Papazoglou},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.05462.4},
  URN =		{urn:nbn:de:0030-drops-5242},
  doi =		{10.4230/DagSemProc.05462.4},
  annote =	{Keywords: Service-oriented computing, research road map, service foundations, service composition, service management, service monitoring, service-oriented engi}
}
Document
DOI: 10.4230/DagSemRep.152
Transactional Workflows (Dagstuhl Seminar 9629)

Authors: Frank Leymann, Hans-Jörg Schek, and Gottfried Vossen

Published in: Dagstuhl Seminar Reports. Dagstuhl Seminar Reports, Volume 1 (2021)

Abstract
Cite as

Frank Leymann, Hans-Jörg Schek, and Gottfried Vossen. Transactional Workflows (Dagstuhl Seminar 9629). Dagstuhl Seminar Report 152, pp. 1-39, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (1996)

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@TechReport{leymann_et_al:DagSemRep.152,
  author =	{Leymann, Frank and Schek, Hans-J\"{o}rg and Vossen, Gottfried},
  title =	{{Transactional Workflows (Dagstuhl Seminar 9629)}},
  pages =	{1--39},
  ISSN =	{1619-0203},
  year =	{1996},
  type = 	{Dagstuhl Seminar Report},
  number =	{152},
  institution =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemRep.152},
  URN =		{urn:nbn:de:0030-drops-150396},
  doi =		{10.4230/DagSemRep.152},
}
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