Partners of WS-DIAMOND

UNIVERSITÀ DI TORINO

Research Activity

Università di Torino is one of the oldest in Italy (1404) and has a long tradition in Scientific Research.

The Dipartimento di Informatica was created in the 70’s; the Artificial Intelligence Group is active since those years in different areas and participated in various projects funded by the EU, National government, industry.

Two sub-groups will be involved in the project:

 

People

LUCA CONSOLE(PhD 1991) is full professor of Computer Science and chair of the Communication Sciences school at the Università di Torino. His research interests regard different areas of Artificial Intelligence ranging from knowledge representation to automated reasoning (with specific attention to model-based reasoning and intelligent agents for adaptive systems). He published about 100 papers in international journals, books and conferences and is co-editor of the “Readings in MBD” collection. He has been local coordinator for four EU funded projects (VMBD, IDD, CAWICOMS and AUTAS) and member of the executive board of the Monet I and II EU funded Network of Excellence (chaining the Automotive Task group of Monet II). He is member of the editorial board of International journals, chaired twice and organized twice the International Workshop on Principles of Diagnosis (DX) and has been member of the programme committee of several international conferences. He has been an invited speaker at IJCAI 99 and received the award Premio Intelligenza Artificiale 95, for young researches in AI working in Italy.

LILIANA ARDISSONO (Ph.D 1996) is an Associate Professor at the Dipartimento di Informatica of the Universita' degli Studi di Torino, where she obtained her University Degree and her Ph.D in Computer Science. Her research interests include User Modeling, Adaptive Hypermedia and Service Oriented Computing. She is author of more than 70 papers published in international journals and conferences. Moreover, she is Secretary of the Board of Directors of User Modeling Inc. and she is a member of the Editorial Board of User Modeling and User-Adapted Interaction - The Journal of Personalization Research. She is co-editor of various publications, among which the UMUAI Special Issue on "User Modeling and Personalization for Television" (2004), the UMUAI Special Issue on "Personalizing Cultural Heritage Exploration" (2008) and book "Personalized Digital Television: targeting programs to individual users" (Kluwer Academic Publishers, 2004). She was Program Chair of the 10th International Conference on User Modeling (UM 2005), Edinburgh. She cooperates at various national and international research projects.

ANNA GOY (Ph.D 1998) is a researcher at the Computer Science Department at the Università di Torino. Her research interests concern Web technologies (in particular dynamic User Interface generation, adaptive hypertexts and ubiquitous computing), Web Services, and distributed architectures. She published more than 40 papers in international journals, conferences, and workshops. She has organized the HCItaly Symposium in 2003 and she has been editor of a Special Issue of the Psychology review. She actively participated in several national and international projects, among which the EU Project CAWICOMS.

GIOVANNA PETRONE is a researcher of Computer Science at the Università di Torino. Her research interests concern two main areas: Multi-agent systems (with specific interest for distributed systems and Web Services) and Intelligent User Interfaces (with specific attention to personalization in Web-based services). Previously, she has worked for several years as a software engineer and architect in large US and Italian computer companies and she was also Visiting Scholar at the Stanford University.

CLAUDIA PICARDI (Ph.D 2003) is a researcher at the Computer Science Department at the Università di Torino. Her research interests concern model-based reasoning (and in particular Model-based diagnosis) and qualitative reasoning. She published about 20 papers in international journals, conferences and workshops. She has co-chaired international workshops at ECAI 2002, ECAI 2004 and IJCAI 2005; she has been member of the Program Committees of DX 04 (international workshop on principles of diagnosis) and QR 05 (international workshop on qualitative reasoning). She has participated in the European V framework projects IDD and AUTAS.

MARINO SEGNAN is a researcher at the Computer Science Department at the Università di Torino. His research interests concern Web Services and model-based diagnosis. Previously, he has worked several years as a senior software engineer. He has published about 20 papers in international journals, conferences and workshops, and he has participated in the European V framework projects IDD and AUTAS.

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POLITECNICO DI MILANO

Research

Politecnico di Milano is a large state technical university in Milan, Italy, with curricula in engineering and architecture. The Computer Engineering Section of the Department of Electronics and Information is devoted to teaching and research in all the disciplines regarding the development and application of computer-based systems. The research group in Information systems participating in the project has interests in the following areas: cooperative information systems, service oriented architectures and e-services, workflows, mobile information systems, information and service quality. The group has been involved in several European projects: TODOS, EQUATOR, ITHACA, F3, RENOIR, CHOROCHRONOS, and WIDE, and in national projects, funded by the National Research Council and by the Education Ministry.

In the past few years, the research unit of Politecnico di Milano has taken part in numerous research projects on workflow management systems, adaptive information systems and, more recently, on multi-channel and mobile information systems. Results on models of cooperation within virtual districts and among mobile users have generated new research questions on the representation of the quality characteristics of the services offered by adaptive and mobile information systems, on the policies that guarantee given quality levels and on corresponding negotiation mechanisms.

People

BARBARA PERNICI is full professor of Computer Engineering at Politecnico di Milano. Her research interests include cooperative information systems, workflow management systems, information systems modelling and design, mobile information systems, temporal databases, applications of database technology. She holds a Dr. Eng. Degree from Politecnico di Milano and a Master of Science in Computer Science from Stanford University. She has published 35 papers in international journals, including IEEE and ACM Transactions, co-edited 10 books, and published about 120 papers at international level. She is an editor of the Requirements Engineering Journal. She has participated in several ESPRIT/IST projects (TODOS, Equator, ITHACA, F3, WIDE, Chorochronos). She is chief scientist of the Italian FIRB MAIS (Multichannel Adaptive Information Systems) Project, 2002-2005. She is chair of Working Group 8.1 Information Systems Design of IFIP (International Federation for Information Processing). In 2004 she has been program co-chair of the International conference on Business Process Modeling (Potsdam), of IFIP International Conference on Mobile Information Systems, Oslo, and of the CaiSE workshop on Data and Information Quality (Riga).

MARIAGRAZIA FUGINI is Professor of Computer Engineering at Politecnico di Milano, Italy, where she teaches courses on Information System, ICT Plants, and Web-based Information Systems. Her research interests are in information system security and development, software reuse,  information retrieval, information systems development and re-engineering, and web systems for bioinformatics. She participated in the several UE Projects (TODOS, WIDE, ITHACA, F3), working on requirements specification, database security, information system re-engineering, software reuse, data retrieval tools, and workflow applications. She is currently involved as a Chief Scientist in National Projects on Federated Information Systems for Public Administrations and on Security of Satellite data sponsored by ASI (Italian Aerospace Agency). She is also involved in the UE WSDiamond STREP Project on diagnosis and repair of Web-based systems, and in the UE SEEMP (Single European MarketPlace) on Services to Employment in Europe (starting Jan. 2006). She joined the UE-COMETT educational project on Data Security from 1990 to 1994 with Technical University of Vienna. She has been the Italian representative in the IFIP-TC11 Committee on Information Security and the responsible of the Working Group "Security" of the Italian Computer Association. She is co-author of the book "Database Security" (Addison-Wesley, 1995) and of several publications on data security and information system development.

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VRIJE UNIVERSITEIT AMSTERDAM, THE NETHERLANDS

Research

Vrije Universiteit is one of the worldwide leading institution as regards research on the Semantic Web, with focus on Semantic Web languages and their application.

The Knowledge Representation and Reasoning (KR&R) group is of the Department of Artificial Intelligence (AI) in the Faculty of Sciences which is one of the leading research institutions in the area of Semantic Web and Agent technology in Europe. The group investigates modelling and representation of different forms of knowledge and reasoning, as found in a large variety of AI systems. We have an interest in both applications and theory. We study theoretical properties of knowledge representation and reasoning formalisms, but are also involved in developing practical knowledge-based systems. We are very active in developments around the Semantic Web. We were heavily involved in the design of OIL, a web-based ontology-language, which was the basis for the W3C standard OWL, to which we made a key contribution. We have a particular interest in robust reasoning methods, which, unlike classical reasoning methods, still perform well in the face of local inconsistencies, and which still produce reasonable results when only limited runtime is available. The group has made key contributions to a number of European projects, notably: the On-To-Knowledge project, IBROW (brokering knowledge-based components on the Web), WonderWeb (on infrastructure for the Semantic Web), SWAP (on peer-to-peer technology for the Semantic Web), and OntoWeb (on Ontology support for the Semantic Web). We are currently participating as a task-leader in the Knowledge Web Network of Excellence on Semantic Web technology. We are also participating in the more application-oriented IP SEKT, ensuring a good connection between the proposed FET project and more industry-oriented efforts.

People

PROF. DR. FRANK VAN HARMELEN is professor in Knowledge Representation and Reasoning at the Department of Artificial Intelligence of the Vrije Universiteit Amsterdam (Ph.D. in 1989 from Edinburgh on meta-level reasoning). He is author of a book on meta-level inference, editor of a book on knowledge-based systems, editor of a book on Knowledge Management on the Semantic Web, and has authored the first available text-book on Semantic Web languages. He has published over 100 papers, many of them in leading journals and conferences. He has made key contributions to the CommonKADS project by providing a formal basis for the conceptual models. More recently, he was one of the designers of OIL, which was the basis for a W3C standardized Web ontology language. He was a key member of the W3C working group on Web Ontology languages, responsible for the OWL Web Ontology Language. He was the 2002 Program Chair of the European Conference on Artificial Intelligence, and General Chair of the 2004 International Semantic Web Conference.

DR. ANNETTE TEN TEIJE (Ph.D 1996) is lecturer at the Vrije Universiteit Amsterdam (Ph.D. in 1997 from the University of Amsterdam on the automatic configuration of diagnostic knowledge-based systems). she has been a visiting research scientist at the Imperial Cancer Research Fund in London, and was a lecturer at the University of Utrecht before joining the Vrije Universiteit. She has published 25 research papers, many of them in leading conferences. Relevant work for WS-Diamond is (among others) the study of model-based diagnostic methods, verifying safety-properties for knowledge-based systems, and the automated configuration of Web Services (in the EU-funded IBROW project under the FET-O programme).

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UNIVERSITÉ PARIS SUD

Research

Université Paris Sud has a leading experience on model/based diagnosis, in particular as regards modelling languages and monitoring of complex dynamic system.

The “Laboratoire de Recherche en Informatique” (LRI) is a joint laboratory between the Université Paris-Sud and the National Center for Scientific Research (CNRS, UMR8623). The LRI is composed of 78 permanent researchers, 63 Ph.D. students and 22 non-permanent research staff. The LRI consists of ten research groups covering a wide spectrum of computer science: algorithms and complexity, quantum computing, graph theory, fundamental aspects of communication, micro-architecture, clusters and grid computing, software engineering, programming, human-computer interaction, databases, inference systems, data mining, machine learning, and bioinformatics. The IASI group (Artificial Intelligence and Inference Systems) of the LRI is aiming to contribute to this project. The IASI group has a long tradition of work on inference algorithms and knowledge representation as the formal basis for the construction of knowledge-based systems. The knowledge representation formalisms that are studied from a computational and algorithmic point of view are different fragments of propositional or first-order logic that are useful for modelling real-world applications. In the last 4 years, while pursuing our previous work on inference algorithms for logical formalisms, IASI has focused on knowledge representation for information integration. This new orientation has resulted in the creation of the Gemo project, which was born from the merging of IASI and the INRIA-Rocquencourt Verso project, leading to one of the few artificial intelligence and database groups in France. IASI/Gemo's main theme is the integration of distributed and heterogeneous information, where information is seen as a general concept covering data, knowledge and services. More precisely, the problems addressed in Gemo deal with discovering meaningful data sources or services, understanding their content or goal, integrating them, and finally monitoring their evolution over time. Our aim is to offer environments that are both powerful and flexible in order to simplify the deployment of applications that give fast access to meaningful information distributed over the network. Addressing these new problems requires combining Artificial Intelligence techniques, such as reasoning on knowledge representation formalisms, classification or data mining, and database techniques such as indexing or query processing optimizations.

People

PHILIPPE DAGUE received the engineering degree from “Ecole Centrale de Paris” in 1972, and the Ph.D. degree in theoretical physics from the University Paris 6 in 1976. He was a Mathematics assistant at the University of Poitiers, then at the University Paris 6, from 1976 to 1983. He received the “Habilitation à Diriger des Recherches” degree in computer science in 1992 from the University Paris 6. From 1983 to 1992, he was a research engineer in computer science at IBM Paris Scientific Center. Since 1992, he has been a professor of computer science at the University Paris 13, and a member of the LIPN. From its creation in 1999, he is responsible of the ADAge group. His research interests in AI are model-based diagnosis and qualitative reasoning, and he has been active in establishing a bridge between FDI and AI MBD communities. He has been involved in many industrial projects, at the national (9 projects) and the European (3 projects) level, mainly about MBD. He has been member of the program committee of 35 conferences and is the author of about 60 papers in international or national conferences and journals, and of several books.

FRANCOIS GOASDOUÉ is an assistant professor in the IASI group since September 2003. He received his Ph.D. in computer science in the IASI group in November 2001. He was a research engineer at France Télécom R&D from October 2001 to September 2002, and a lecturer in the IASI group from September 2002 to September 2003. His main research interest is centralized and distributed information integration based on combinations of database and knowledge representation techniques. He works in very tight collaboration with France Télécom R&D.

PHILIPPE CHATALIC is a “maître de conference” in computer science at University Paris 11 (PhD in 1986 on reasoning with uncertain/imprecise information from University of Toulouse 3). He is a member of the  GEMO group at LRI/PCRI, since 1988. He has been working on reasoning with imperfect (incomplete / uncertain) information. His current interests are in the use of propositional logic based algorithms for efficient reasoning, information integration, and distributed reasoning in peer-to-peer systems.

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UNIVERSITY OF KLAGENFURT

Research

The University of Klagenfurt is a rather young Austrian University offering programs in Economics, business Administration, cultural sciences, humanities and last but not least informatics. The university is significantly expanding into technical areas under the topical umbrella of Ambient Intelligence.

Currently there are 10 research groups in informatics/computer science with a clear orientation towards application oriented research. Two of the groups join in this project because of their expertise in different areas need for the proposed project.

The competences of the Computer Science and Manufacturing research group (Prof. Friedrich) at the University Klagenfurt are in the areas of model-based diagnosis and repair, knowledge acquisition, knowledge based configuration, product modelling for knowledge-based configuration, distributed configuration, and Semantic Web. In these areas numerous scientific projects were performed which led to many valuable results which were published in high quality journals. Prof. Friedrich who is the head of this group introduced repair technology into model-based diagnosis. The work was subsequently extended by developing configuration systems which are capable to process large real world systems (the largest knowledge based configuration system currently published). Configuration is considered as a strategy for repair. Parallel to the project on configuration, the group developed methods to diagnose descriptions like software and knowledge bases. This effort is of particular importance for repairing faulty configurations since it allows the generation of minimal changes to a configuration such that (changing) requirements can be met. In addition, the group developed new methods in the area of distributed web-based configuration systems (EU IST Project CAWICOMS).

People

PROF. GERHARD FRIEDRICH (Ph.D 1996) is a full professor of computer science at the University Klagenfurt, Austria. He directs the Computer Science and Manufacturing research group. From 1993 to 1997 he managed the Department for Configuration and Diagnosis Systems at Siemens Austria. Gerhard Friedrich led numerous industrial R&D-projects and was a research fellow at Siemens corporate research and at the Stanford Research Institute. He received a PhD and an MS in computer science from Vienna University of Technology, Austria. His research interests include knowledge acquisition, modelling for knowledge-based configuration, configuration of products and services, Semantic Web and diagnosis of descriptions where he published numerous scientific articles in renowned journals and conferences.

DIETMAR JANNACH (Ph.D 1998) is an assistant professor for Computer Science at the University Klagenfurt, Austria. He received a PhD and MS from the University Klagenfurt where he is a member of the Computer Science and Manufacturing research group. His main research areas include knowledge-based systems, model-based diagnosis, and distributed configuration with a particular emphasis on knowledge-acquisition and modelling aspects as well as the integration into industrial software development processes and tools. From various application-oriented research projects, Dr. Jannach also has a strong background in software design and architecture. Recent work deals with the configuration of Web Services for multimedia applications in order to achieve flexible adaptation to Quality of Service constraints.

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LAAS CNRS

Research

LAAS ("Laboratoire d’Analyse et d’Architecture des Systèmes") is a research unit of CNRS (National Center for Scientific Research) and reports to the STIC Department (Department of Science and Technology for Information and Communication).

Research at LAAS is distributed along thirteen research groups and one joint research-industry lab supported by the technical, logistics and administrative departments. Each group is engaged in a specific area of research which integrates into LAAS overall scientific strategy. Two groups are aiming to contribute to the project: the DISCO (Qualitative Diagnosis andSupervisory Control) group and the OLC (Software and Tools for Communicating Systems) group.

The research groups of LAAS involved in this project include 31 senior scientists, tenured CNRS researchers and Professors at university institutions in Toulouse, and 33 PhD students. DISCO and OLC are involved in FP5 IST GCAP  (Global Communication Architecture & Protocols for new QoS services over IPv6 networks) and FP5 IST DSE  (Distributed Systems Engineering). DISCO and OLC are involved in E-Next (Network of Excellence in Emerging Networking Experiments and Technologies), FP5 IST Lab@Future  (School LABoratory anticipating FUTURE needs of European Youth)and FP5 IST SATIP6 (Satellite Broadband Multimedia System for IPv6 Access).

In the last few years, LAAS has had several industrial partnerships, including: EDF (Electricité de France), Siemens, SNECMA, Intelligent Applications Ltd, IFP (Institut Français du Pétrole), Aérospatiale, CNET (Centre National d'Etudes en Télécommunication), CNES (Centre National d’Etudes Spatiales), ASTRIUM, ACTIA.

LAAS conducts research activities in the framework of safe and reliable complex systems and their control. It covers the whole range of control engineering problems, from reactive control to higher level control tasks such as supervision and diagnosis, by bridging numeric and symbolic formalisms and methods. The activities distribute along three approaches: model-based, knowledge-based, and learning as part of pattern recognition.

LAAS has general knowledge of the different approaches that are applicable in the area of fault detection, isolation and recovery, overlapping Control Engineering and Artificial Intelligence fields. Its research has been given the main focus along the so-called model-based approach, investigating in depth the use of qualitative, semi-qualitative, discrete events and hybrid models. LAAS recent contributions are along the following topics:

 


In the field of distributed and communicating software, the studies of LAAS include the modelling, the verification and the design of architectures and the development of tools and applications, and aim to apprehend the real complexity of the problems involved in the control of the communications in new distributed architectures. Three research topics, in which the exploratory studies are undertaken, are defined and classified into three research topics:

People

LOUISE TRAVE' MASSUYES received a Ph.D. degree in control in 1984 and an Engineering Degree specialized in control, electronics and computer science in 1982, both from the Institut National des Sciences Appliquées (INSA) in Toulouse, France; Award from the Union des Groupements d'Ingenieurs de la Region Midi-Pyrénées. She received an « Habilitation à Diriger des Recherches » from Paul Sabatier University in 1998. She is currently Research Director of Centre National de Recherche Scientifique (CNRS), working at CNRS, Toulouse, France, in which she is the scientific leader the “Qualitative Diagnosis, Supervision and Control” Group for several years. Her main research interests are in Qualitative and Model-Based Reasoning and applications to dynamic systems Supervision and Diagnosis. She has been particularly active in bridging the AI and Control Engineering Model-Based Diagnosis communities, as leader of the BRIDGE Task Group of the MONET European Network. She has been responsible from several industrial and European projects and published more than 100 papers in international conference proceedings and scientific journals. Dr. Travé-Massuyès current responsibilities include; member of the IFAC Safeprocess Technical Committee; member of the European Network of Excellence MONET Steering Committee; member of the French CNRS Network RTP 20 on "Diagnosis, Reliability and Safety" Steering Committee; co-leader of the French Imalaia Group. She is a Senior Member of the IEEE Computer Society.

KHALIL DRIRA received the Engineering degree and the M.S. degree (DEA) in Computer Science in from ENSEEIHT/INPT, the National Polytechnic Institute of Toulouse, in 1988 and the Ph.D. degree in Computer Science from University Paul Sabatier Toulouse, in 1992. He is, since 1992, Chargé de Recherche CNRS, a full-time research position at the National Center for Scientific Research of France. He is or has been involved in several national and international projects in the field of distributed and concurrent communicating systems. He is author of more than 100 regular and invited papers in international conferences and journals about this research area. Dr. Drira is or has been member of the programme committees of several international conferences and has served as a chairman of several workshops and tracks about coordination and cooperation in distributed systems. He also served as an editor for the volume 2236 of Lecture Notes in Computer Science about Cooperative environments for distributed systems engineering. Dr Drira was also involved in several national and European projects in the filed of Distributed and Cooperative Systems.

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UNIVERSITÉ DE RENNES 1

Research

Université de Rennes 1 has a unique and leading experience on decentralized and distributed approaches to diagnosis and to the application of these strategies for the diagnosis and diagnosability analysis of complex distributed systems (communication networks).

INRIA, the University of Rennes 1, INSA-Rennes and the CNRS are associated within a research centre called IRISA (Institut de Recherche en Informatique et Systèmes Aléatoires). IRISA's missions are « to undertake basic and applied research, to design experimental systems, to ensure technology transfer, to organize international scientific exchanges ». IRISA's scientific activities cover the following domains : Networks and Systems ; Software Engineering and Symbolic Computing ; Man-Machine Interaction ; Image Processing, Data Management, Knowledge Systems ; Simulation and Optimization of Complex Systems. IRISA has a staff of 450 persons, including more than 150 research scientists and 150 PhD students. Industrial relations are strategic for IRISA. In this area, some of the Institute's initiatives include: Partnerships with large enterprises and SMEs; European projects: IRISA has been involved in about 25 projects within the 5th Framework-Program; Software valorization and patents.

DREAM is one of the research groups at IRISA. DREAM stands for Diagnostic REasoning And Modeling. DREAM's research is dedicated to the use of artificial intelligence techniques in the domain of monitoring and diagnosing dynamical systems, both on a theoretical level through logical models and on a applicative level through applications in the field of telecommunication networks, medicine and environment. DREAM's main recent contributions are in the domain of decentralized diagnosis for discrete-event systems and in the automatic acquisition of diagnosis models by using symbolic methods as ILP (inductive logic programming) coupled with data-mining methods. The use of temporal causal graphs for prognostic and predictive maintenance has been explored in the context of nuclear plants. The DREAM group is involved in two MONET2 task groups (biomedicine and bridge). Its members are active in the DX community and publish in the main artificial intelligence conferences. In the last few years, DREAM had several industrial partnerships, including EDF (Electricité de France), France-Telecom R&D.

The DREAM team's interests in this project are mainly in two directions :

People

MARIE ODILE CORDIER is full professor at the University of Rennes, France and performs her research activities at Irisa-Inria; she is currently the scientific leader of the DREAM team (Diagnostics, REasoning and Modelling). Her main research interests are in artificial intelligence, focusing in model-based diagnosis, on-line monitoring, model acquisition using model-checking techniques and inductive logic programming and temporal abductive reasoning. She has been responsible for several industrial projects and has published numerous papers in international conference proceedings and scientific journals. She is an ECCAI fellow from 2001 and served as a program committee member, area chair for several international conferences (Ijcai, Ecai, DX, KR …) and belongs to editorial committees of a few specialized journals.

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UNIVERSITY OF VIENNA

The University of Vienna is one of the oldest universities in Europe (founded in 1365). The Faculty of Computer Science is one of its 15 faculties. The Faculty is a principal centre for teaching and research in computer science and business informatics in Austria. The Faculty is mainly involved in the studies on Computer Science and Business Informatics, but provides services for many other studies including Business Administration, Statistics, and Economics.

Research

The group of Knowledge and Business Engineering (Prof. Eder) has a good track record in research in two main areas: workflow systems and temporal information systems. The group contributed to the areas workflow management, in particular workflow management system architecture, workflow over the web, transactional workflows with the emphasis of failure and exception handling in workflow execution. The prototype workflow management system Panta Rhei was successfully transferred to an industrial product and lead to a spin-off company. A transaction mechanism for workflow systems was developed to react to failures and exceptions. The concept was integrated into a commercial workflow product. Algorithms to derive hybrid workflows were developed to support workflow evolution. Time management for workflow systems and temporal qualities of Web Services and time constrained Web Service composition and execution are currently intensively researched. Further projects of the group include the development of a temporal data warehouse system to allow correct answer to queries spanning periods with changes in master data, and the development of temporal ontologies to support information systems evolution, and the allow the correct interpretation of “old” data and documents.

Within the 6th framework program of the European Union he is currently involved in the Network of excellence INTEROP.

People

PROF. JOHANN EDER (PhD Univ. Linz, 1985) holds the position of a full professor for informatics (workflow) at the University of Vienna. He serves as vice president for natural science and technology of the Austrian Science funds. He holds a Dipl.Ing and a Dr.techn. degree from the University of Linz. The research interests of Prof. Eder include databases, information systems and knowledge engineering. Current research projects include workflow management systems, in particular time management and exception handling, temporal data warehouses, and interorganizational business processes. Johann Eder (co/)authored one book, co-edited 11 books/volumes/special issues and published more than 90 papers in fully reviewed international journals and conference proceedings. He served in numerous program committees for international conferences and as editor and referee for international journals and conferences.

MAREK LEHMANN (Ph.D. 2005) is an assistant professor for Computer Science at the Department of Knowledge and Business Engineering of the University of Vienna. He received his B.Sc. (1999) and M.Sc. (2001) in Computer Science from Poznan University of Technology in Poland and his Dr.techn. (2005) in Computer Science from the University of Klagenfurt in Austria. His research interests include databases and information systems, system integration, data transformations, workflow management systems and web services.

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