Professional Activities:

Chair & Proposal Reviewer & Editorial Boards:

1. Journal of Mobile Multimedia, Associate Editor, since 2014
2. Fonds National de la Recherche Luxembourg, Expert reviewer for the CORE Project Research Programme, 2014
3. 2nd International Workshop on Business Process Management in the Cloud (BPMC14) at the 12th International Conference on Business Process Management (BPM 2014), Member of the Organization Committee, 2014
4. International Workshop on Emerging Topics in Business Process Management (BPMC13) at the 11th International Conference on Business Process Management (BPM 2013), Member of the Organization Committee, 2013
5. IGI Global book "Emerging Architectural Trends in Service-driven Computing", Member of the Editorial Advisory Board, 2013
6. Semantic Data Management Video Journal, Member of the Editorial Board, since 2012
7. Annual International Contest S3 on Semantic Service Selection -- Retrieval Performance Evaluation of Matchmakers for Semantic Web Services, Member of the Organization Committee, 2012
8. 10th International Conference on Service Oriented Computing (ICSOC 2012), Session Chair "Service Engineering 2", 2012
9. Annual Meeting of the German Gesellschaft für Informatik 2011,
   Workshop IT-Governance in verteilten Systemen (GVS) (IT-Governance in Distributed Systems), Workshop Chair, 2011
10. Annual Meeting of the German Gesellschaft für Informatik 2010,
    Workshop IT-Governance in verteilten Systemen (GVS) (IT-Governance in Distributed Systems), Workshop Chair, 2010
11. Annual Meeting of the German Gesellschaft für Informatik 2009,
    Workshop IT-Governance in verteilten Systemen (GVS) (IT-Governance in Distributed Systems), Workshop Chair, 2009
12. IEEE International Conference on Digital Ecosystems and Technologies (DEST 2009),
    Track "Governance in Large Heterogeneous IT Systems", Track Chair, 2009
13. International Journal of Interoperability in Business Information Systems, Member of the Editorial Board, since 2008

TPC Memberships:

1. 12th Extended Semantic Web Conferences (ESWC 2015), PC Member
2. 18th International Conference on Business Information Systems (BIS 2015), PC Member
3. 4th International Workshop on Self-Explaining Agents (SEA) at the 13th International Conference on Practical Applications of Agents and Multi-Agent Systems, PC Member
4. Intelligent Service Clouds Workshop (ISC 2014) at the 12th International Conference on Service Oriented Computing (ICSOC 2014), PC Member
5. 5th Workshop on Semantics for Smarter Cities at The 13th International Semantic Web Conference (ISWC 2014), PC Member
6. 2nd International Workshop on Cloud and Context for Business Process Management (CCBPM'14) at The 10th International Conference on Semantics, Knowledge & Grids (SKG2014), PC Member
7. 16th IEEE Conference on Business Informatics (CBI 2014), PC Member
8. 26th International Conference on Software Engineering and Knowledge Engineering (SEKE 2014), PC Member
9. 9th International Conference on Availability, Reliability and Security (ARES 2014), PC Member
10. 11th Extended Semantic Web Conferences (ESWC 2014), PC Member
11. 44. Annual Meeting of the German Gesellschaft für Informatik 2014, 8th International Workshop on Applications of Semantic Technologies, PC Member
12. 44. Annual Meeting of the German Gesellschaft für Informatik 2014, Workshop 3rd International Workshop on Self-Explaining Agents (SEA), PC Member
13. 44. Annual Meeting of the German Gesellschaft für Informatik 2014, Workshop IT-Governance und Strategisches Informationsmanagement (ITG-SIM) (IT-Governance and Strategic Information Management), PC Member
14. First International Workshop on Modeling Inter-Organizational Processes (MinoPro) at Modellierung 2014, PC Member
15. 1. Workshop Ereignismodellierung und -verarbeitung im Geschäftsprozessmanagement (Event Modeling and Processing in Business Process Management - EMov 2014) at Modellierung 2014, PC Member
16. Semantic Cities 2013 Workshop at the 23rd International Joint Conference on Artificial Intelligence (IJCAI-13), Member of the Steering Committee, 2013
17. 1st International Workshop on Context for Business Process Management (CBPM'13) at the Eighth International and Interdisciplinary Conference on Modeling and Using Context (Context'13), PC Member
18. 3rd International Workshop on Performance Assessment and Auditing in Service Computing (PAASC 2013) at the 11th International Conference on Service Oriented Computing (ICSOC 2013), PC Member
19. 2nd International Workshop on Service Clouds in the Enterprise and Beyond (SCEB'13) at the 11th International Conference on Service Oriented Computing (ICSOC 2013), PC Member
20. 3. KuVS Fachgespräch "Security for Cloud Computing" (2013), PC Member
21. 4th International Conference on Emerging Ubiquitous Systems and Pervasive Networks (EUSPN 2013), PC Member
22. 15th IEEE Conference on Business Informatics (CBI 2013), PC Member
23. 43. Annual Meeting of the German Gesellschaft für Informatik 2013, 7th International Workshop on Applications of Semantic Technologies, PC Member
24. 43. Annual Meeting of the German Gesellschaft für Informatik 2013, Workshop IT-Governance in verteilten Systemen (GVS) (IT-Governance in Distributed Systems), PC Member
25. 43. Annual Meeting of the German Gesellschaft für Informatik 2013, Workshop Datenmanagement und Interoperabilität im Gesundheitswesen (Data Management and Interoperability in the Health Industry), PC Member
26. 8th International Conference on Availability, Reliability and Security (ARES 2013), PC Member
27. International Conference on Internet and Web Applications and Services (ICIW 2013), TPC Member
28. 7th International Conference on Availability, Reliability and Security (ARES 2012), PC Member
29. 2. KuVS Fachgespräch "Security for Cloud Computing" (2012), PC Member
30. 42. Annual Meeting of the German Gesellschaft für Informatik 2012, Workshop IT-Governance in verteilten Systemen (GVS) (IT-Governance in Distributed Systems), PC Member
31. 42. Annual Meeting of the German Gesellschaft für Informatik 2012, Workshop Datenmanagement und Interoperabilität im Gesundheitswesen (Data Management and Interoperability in the Health Industry), PC Member
32. 14th IEEE Conference on Commerce and Enterprise Computing (CEC 2012), PC Member
33. 9th Extended Semantic Web Conferences (ESWC 2012), PC Member
34. International Conference on Internet and Web Applications and Services (ICIW 2012), TPC Member
35. 6th International Conference on Pervasive Computing and Applications (ICPCA 2011), PC Member
36. Annual Meeting of the German Gesellschaft für Informatik 2011, Workshop Datenmanagement und Interoperabilität im Gesundheitswesen (Data Management and Interoperability in the Health Industry), PC Member
37. Annual Meeting of the German Gesellschaft für Informatik 2011, Workshop 6th International Workshop on Applications of Semantic Technologies, PC Member
38. IEEE International Conference on Digital Ecosystems and Technologies (DEST 2011), PC Member
39. International Conference on Internet and Web Applications and Services (ICIW 2011), TPC Member
40. 1. KuVS Fachgespräch "Security for Cloud Computing" (2011), PC Member
41. Fourth International Workshop on Service Matchmaking and Resource Retrieval in the Semantic Web (SMR2) atInternational Semantic Web Conference (ISWC 2010), PC Member
42. Annual Meeting of the German Gesellschaft für Informatik 2010, Workshop Service-Orientierte Architekturen im Gesundheitswesen (Service-oriented Architectures in the Health Industry), PC Member
43. International Conference on Internet and Web Applications and Services (ICIW 2010), TPC Member
44. 7th Extended Semantic Web Conferences (ESWC 2010), PC Member
45. IEEE International Conference on Digital Ecosystems and Technologies (DEST 2010), PC Member
46. International Conference on Internet and Web Applications and Services (ICIW 2009), TPC Member
47. IEEE International Conference on Digital Ecosystems and Technologies (DEST 2009), PC Member
48. Kommunikation in verteilten Systemen (KiVS 2009), Workshop Service-oriented Computing, PC Member

Reviewer:

1. Internationale Tagung Wirtschaftsinformatik, 2015
2. Computing, 2014
3. Journal of Wireless Mobile Networks, Ubiquitous Computing, and Dependable Applications, 2013
4. Software: Practice and Experience, 2013
5. ACM Transactions on the Web, 2012, 2013
6. ACM Computing Surveys, 2012
7. International Journal of Semantic Web and Information Systems (IJSWIS), 2012
8. IEEE Transactions on Services Computing, 2011, 2012, 2013, 2014
9. Knowledge and Information Systems: An International Journal (Springer), 2011, 2013
10. Springer Book, Blake et al. "Semantic Web Services", 2011
11. IEEE Transactions on Industrial Electronics, 2008, 2009
12. IEEE International Conference on Industrial Technology (ICIT), 2008, 2009
13. Handbuch der Software-Architektur (2nd edition), 2008
14. Americas Conference on Information Systems (AMCIS), 2007, 2009
15. E-Finance Lab Quarterly, 2006-2009

Awards:

• Winner in 2 out of 3 categories,
  Annual International Contest S3 on Semantic Service Selection 2010, 2012,
  Track "SAWSDL matchmaker evaluation", Categories "Average Query Response Time" and "Precision for Graded Relevance"
• Best Paper Award,
  The Fifth International Conference on Internet and Web Applications and Services (ICIW 2010),
  Paper "Enhancing Availability with Self-Organization Extensions in a SOA Platform"
• Best Presentation Awards,
  Second IEEE International Conference on Digital Ecosystems and Technologies (DEST 2008),
  Track "Digital Business Ecosystems", Paper "Queuing-based Capacity Planning Approach for Web Service Workflows Using Optimization Algorithms",
  Track "Infrastructure for Digital Ecosystems", Paper "Towards Automated Monitoring and Alignment of Service-based Workflows"