Publications

List of publications at DBLP

Books:

1. Dieter Fensel, Umutcan Şimşek , Kevin Angele, Elwin Huaman, Elias Kärle, Oleksandra Panasiuk, Ioan Toma, Jürgen Umbrich and Alexander Wahler: Knowledge Graphs: Methodology, Tools and Selected Use Cases. Springer 2020.

2. Dieter Fensel, Federico Facca, Elena Simperl and Ioan Toma: Semantic Web Services, Springer 2011.

Book chapters:

1. Ioan Toma, Jose Maria Garcia, Iker Larizgoitita, and Dieter Fensel: A Semantically Enabled Scalable Service Delivery Platform: An Architectural Overview. In Ramanathan, R (Eds.): Emerging Architectural Trends in Service-Driven Computing, IGI Global, 2014.

2. Ioan Toma, Flavio De Paoli and Dieter Fensel: On modeling Non-functional Properties of Semantic Web Services. In Reiff-Marganiec, S ; Tilly, M (Eds.): Handbook of Research on Non-Functional Properties for Service-Oriented Systems: Future Directions, IGI Global, 2011.

3. Fabien L. Gandon, Reto Krummenacher, Sung-Kook Han and Ioan Toma: Semantic Annotations and Retrieval: RDF. In Domingue, J; Fensel, D; Hendler, J (Eds.): Semantic Web Handook, Springer, 2011.

4. Ioan Toma, James Caverlee, Ying Ding, Elin K. Jacob, Erjia Yan and Stasa Milojevic: Social Networks and Semantics. In Papadopoulou, P; Kanellis, P; Martakos, D (Eds.): Handbook of Research on Social Computing Theory And Practice, IGI Global, 2010.

5. Tobias Buerger, Ioan Toma, Omair Shaq, Daniel Doegl, and Andreas Gruber: GRISINO a Semantic Web services, Grid computing and Intelligent Objects integrated infrastructure. In Pellegrini, T.; Auer, S.; Tochtermann, K.; Schaert, S. (Eds.): Networked Knowledge - Networked Media Integrating, Springer-Verlag, August, 2009.

6. Emilia Cimpian, Harald Meyer, Dumitru Roman, Adina Sirbu, Nathalie Steinmetz, Steffen Staab, and Ioan Toma. (2008), Ontologies and Matchmaking. In Kuropka, D.; Tröger, P.; Staab, S.; Weske, M. (Eds.): Semantic Service Provisioning, pp. 19-54.

7. Dumitru Roman, Jos de Bruijn, Adrian Mocan, Ioan Toma, Holger Lausen, Jacek Kopecky, Dieter Fensel, John Domingue, Stefania Galizia, and Liliana Cabral: Semantic Web Services - Approaches and Perspectives. In John Davies, Paul Warren, and Rudi Studer, editors, Semantic Web Technologies: Trends and Research in Ontology-based Systems. John Wiley and Sons, 2006.

8. Dumitru Roman, Ioan Toma, and Dieter Fensel: Semantic Web Services - A Technology for Service-Oriented Computing. In M. Freire and Manuela Pereira, editors, Encyclopedia of Internet Technologies and Applications, IDEA Publishing Group, 2006.

Journal articles:

1. Renzo Angles, Peter A. Boncz, Josep-Lluis Larriba-Pey, Irini Fundulaki, Thomas Neumann, Orri Erling, Peter Neubauer, Norbert Martínez-Bazan, Venelin Kotsev, Ioan Toma: The linked data benchmark council: a graph and RDF industry benchmarking effort. SIGMOD Record 43(1): 27-31 (2014).

2. Marco Schweitzer, Nelia Lasierra, Stefan Oberbichler, Ioan Toma, Anna Fensel, Alexander Hoerbst: Structuring clinical workflows for diabetes care - An overview of the OntoHealth approach. Accepted in Applied Clinical Informatics Journal (ACI) (2014) 5 2:512-526; ehealth2014 special issue.

3. Anna Fensel, Ioan Toma, Jose Garcia, IoannisStavrakantonakis, Dieter Fensel: Enabling Customers Engagement and Collaboration for Small and Medium-sized Enterprises in Ubiquitous Multi-channel Ecosystems. In Computers in Industry 65(5): 891-904 (2014).

4. Ying Ding, Elin K. Jacob, Michael Fried, Ioan Toma, Erjia Yan, Schubert Foo, Stasa Milojevic: Upper tag ontology for integrating social tagging data. In Journal of the American Society for Information Science and Technology (JASIST), Vol 61, No. 3, March 2010.

5. Ioan Toma, Kashif Iqbal, Dumitru Roman, Thomas Strang, Dieter Fensel, Brahmananda Sapkota, Matthew Moran and Juan Miguel Gomez: Discovery in Grid and Web Services Environments: A Survey and Evaluation. In Journal of Multiagent and Grid Systems, IOS Press, Vol 3, No. 3 /2007 pages 341-352. IOS Press link.

Conference papers:

1. Zaenal Akbar, Elias Kärle, Oleksandra Panasiuk, Umut Simsek, Ioan Toma, and Dieter Fensel: Complete semantics to empower touristic service providers. In: OTM Confederated International Conferences "On the Move to Meaningful Internet Systems". pp. 353 - 370. Springer (2017)

2. Nelia Lasierra, Marco Schweitzer, Thilo Gorfer, Ioan Toma, Alexander Hörbst: Building a Semantic Model to Enhance the User's Perceived Functionality of the EHR. MIE 2016.

3. Elias Kärle, Anna Fensel, Ioan Toma, and Dieter Fensel: Why are there more hotels in Tyrol than in Austria? Analyzing schema.org usage in the hotel domain, Information and Communication Technologies in Tourism 2016 (ENTER2016), Springer.

4. Anna Fensel, Zaenal Akbar, Ioan Toma, and Dieter Fensel, Bringing online visibility to hotels with schema.org and multi-channel communication, Information and Communication Technologies in Tourism 2016 (ENTER2016), Springer.

5. Zaenal Akbar, Ioan Toma, and Dieter Fensel: Optimizing the Publication Flow of Touristic Service Providers on Multiple Social Media Channels, Information and Communication Technologies in Tourism 2016 (ENTER2016), Springer.

6. Zaenal Akbar, Ioan Toma, and Dieter Fensel: Rule-based Content Adaptation for Online Communication. In Proceedings of the 10th Ershov Informatics Conference (PSI 2015), Innopolis, Kazan, Russia, August 25-27, 2015.

7. Zaenal Akbar, Jose Maria Garcia, Ioan Toma, and Dieter Fensel: On using semantically-aware rules for efficient online communication. In Proceedings of the 8th International Web Rule Symposium (RuleML 2014), Prague, Czech Republic, August 18-20, 2014.

8. Ioannis Stavrakantonakis, Ioan Toma, Anna Fensel, and Dieter Fensel: Hotel Websites, Web 2.0, Web 3.0 and Online Direct Marketing: The Case of Austria. In Proceedings of the 21st International Conference on Information and Communication Technologies in Travel and Tourism (ENTER2014), pp. 665-677, 21-24 January 2014, Dublin, Ireland, Springer (2014).

9. Ioan Toma, Dieter Fensel, Andreea-Elena Gagiu, Ioannis Stavrakantonakis, Anna Fensel, Birgit Leiter, Andreas Thalhammer, Iker Larizgoitia and Jose Maria Garcia: Enabling scalable multi-channel communication through semantic technologies. In Proceedings of the 2013 IEEE/WIC/ACM International Conference on Web Intelligence (WI-IAT 2013), Atlanta, GA, US, November 17-20, 2013.

10. Ioan Toma, Dieter Fensel, Alex Oberhauser, Christoph Fuchs, Corneliu Stanciu, and Iker Larizgoitia: SESA: A Scalable Multi-Channel Communication and Booking Solution for e-Commerce in the Tourism Domain. In Proceedings of the 10th IEEE International Conference on E-Business Engineering (ICEBE 2013), Coventry, UK,September 11-13, 2013.

11. Iker Larizgoitia, Ioan Toma, Arturo Beltran, Alejandro Llaves, and Patrick Maue: Environmental service discovery based on semantically annotated OGC service description. In Proceedings of the 28th Annual ACM Symposium on Applied Computing (SAC '13), Coimbra, Portugal, March 18-22, 2013.

12. Ioannis Stavrakantonakis, Andreea-Elena Gagiu, Ioan Toma and Dieter Fensel: Towards online engagement via the Social Web. In: Proceedings of the The First International Conference on Building and Exploring Web Based Environments (WEB 2013), Seville, Spain, January, 2013

13. Iker Larizgoitia, Arturo Beltran, Ioan Toma and Patrick Maue: Publication and Discovery of Semantically Annotated Geospatial Web Services. In Proceedings of the 26th International Conference on Informatics for Environmental Protection (Enviroinfo 2012), Dessau, Germany, August 29-31, 2012.

14. Ioan Toma, Mihai Chezan, Raluca Brehar, Sergiu Nedevschi and Dieter Fensel: SIM, a Semantic Instrumentation and Monitoring Solution for Large Scale Reasoning Systems. In Proceedings of the 5th IEEE International Conference on Semantic Computing (ICSC 2011), Palo Alto, CA, USA, September 18-21, 2011.

15. Ioan Toma, Ying Ding and Dieter Fensel: Optimizing Semantic Web services ranking using parallelization and rank aggregation techniques. In Proceedings of the 3rd International Conference on Business Process and Services Computing (BPSC 2010), Leipzig, Germany, September 27-28, 2010.

16. Y. Ding, Y. Sun, B. Chen, K. Borner, L. Ding, D. Wild, M. Wu, D. DiFranzo, A. Fuenzalida, D. Li, S. Milojevic, S. Chen, M. Sankaranarayanan and I. Toma: Semantic Web Portal: A Platform for Better Browsing and Visualizing Semantic Data. In Proceedings of the 2010 International Conference On Active Media Technology (AMT2010), Lecture Notes in Articial Intelligence (LNAI), Springer, Toronto, Canada, August 28-30, 2010.

17. Omair Shafiq, Reda Alhajj, Jon G. Rokne and Ioan Toma: Light-weight semantics and Bayesian Classification: A hybrid technique for dynamic Web Service discovery. In Proceedings of the of the IEEE International Conference on Information Reuse and Integration (IRI 2010), Las Vegas, Nevada, USA, August 4-6, 2010.

18. Ioan Toma, Elena Simperl, Agata Filipowska, Graham Hench and John Domingue: Semantics-Driven Interoperability on the Future Internet. In Proceedings of the 3rd IEEE International Conference on Semantic Computing (ICSC 2009), Special Session on Semantic-Based Interoperability, Berkeley, CA, USA - September 14-16, 2009.

19. Dumitru Roman, Barry Bishop, Ioan Toma, Georgina Gallizo, Blaz Fortuna: LarKC Plug-in Annotation Language. In Proceedings of the 1st International Conferences on Advanced Service Computing (SERVICE COMPUTATION 2009), Athens/Glyfada, Greece, November 15-20, 2009.

20. Rafael Valencia-Garcia, Francisco Garcia-Sanchez, Juan Miguel Gomez, Ioan Toma and Carlos Garcia-Moreno: SONAR: A Semantically Empowered Financial Search Engine. In Proceedings of International Conference on the Interplay between Natural and Articial Computation (IWINAC'09), Santiago de Compostela, Spain, June 22-26, 2009.

21. Ioan Toma, Ying Ding, Krissada Chalermsook, Elena Simperl, Dieter Fensel: Utilizing Web 2.0 in Web Service Ranking. In Proceedings of the 3rd International Conference on Digital Society (ICDS'09), Cancun, Mexico, February 1-7, 2009.

22. Jose Maria Garcia, Ioan Toma, David Ruiz, Antonio Ruiz-Cortes, Ying Ding, and Juan Miguel Gomez: Ranking Semantic Web Services Using Rules Evaluation and and Constraint Programming. In Proceedings of the 4th Conference "Scientic Days on Web Services and SOA", October 29-30, 2008, Sevilla, Spain.

23. Stijn Heymans, Ioan Toma: Ranking Services using Fuzzy Hex Programs. In Proceedings of the 2nd International Conference on Web Reasoning and Rules Systems (RR 2008), 31st October - 2nd November 2008, Karlshrue, Germany.

24. Ying Ding, Ioan Toma, Michael Fried, Sin-Jae Kang and Zhixian Yan: Integrating Social Tagging Data: Upper Tag Ontology (UTO). In Proceedings of 2008 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2008), 12-15 October 2008, Singapore.

25. Tobias Buerger, Ioan Toma, Omair Shaq, Andreas Gruber, Daniel Doegl: GRISINO - a Semantic Web services, Grid computing and Intelligent Objects integrated infrastructure, In Proceedings of the 3rd International Conference on Semantic Systems (I-Semantics 2008), September 3-5, 2008, Graz, Austria.

26. Juan Miguel Gomez, Giner Alor-Hernandez, Ruben Posada-Gomez, Ismael Rivera, Myriam Mencke, Javier Chamizo, Francisco Garcia Sanchez and Ioan Toma: An Approach for Component-Based Software Composition. In Proceedings of the 2008 Electronics, Robotics and Automotive Mechanics Conference (CERMA 2008), Cuernavaca, Morelos, Mexico, 30 September - 3 October, 2008.

27. Juan Miguel Gomez, Giner Alor-Hernandez, Ruben Posada-Gomez, Ismael Rivera, Myriam Mencke, Javier Chamizo, Francisco Garcia Sanchez and Ioan Toma: GIST: Grid Services Conversation Language. In Proceedings of the 2008 Electronics, Robotics and Automotive Mechanics Conference (CERMA 2008), Cuernavaca, Morelos, Mexico, 30 September - 3 October, 2008.

28. Brahmanada Sapkota, Sanaullah Nazir, Tomas Vitvar, Ioan Toma, Laurentiu Vassiliu and Manfred Hauswirth: Semantic Overlay for Scalable Service Discovery. In Proceedings of the CollaborateCom (CollaborateCom), IEEE Computer Society, November, 2007, New York, USA

29. Ioan Toma, Dumitru Roman, Dieter Fensel: On describing and ranking services based on non-functional properties. In Proceedings of the 3rd International Conference on n Next Generation Web Services Practices (NWeSP 2007), Seoul, South Korea, October 29-31, 2007.

30. Dumitru Roman and Ioan Toma: A CTR-based Approach to Service Composition Patterns. In Proceedings of the 3rd International Conference on n Next Generation Web Services Practices (NWeSP 2007), Seoul, South Korea, October 29-31, 2007.

31. Juan Miguel Gomez, Ioan Toma, Jose Luis Lopez Cuadrado, Angel Garca Crespo: A policy-aware knowledge-oriented framework for web service conversations. In Proceedings of the IADIS WWW/Internet 2007 conference (ICWI 2007), Vila Real, Portugal, October 5-8, 2007.

32. Ioan Toma, Dumitru Roman, Dieter Fensel, Brahmananda Sapkota and Juan Miguel Gomez: A multi-criteria service ranking approach based on non-functional properties rules evaluation. In Proceedings of the 5th International Conference on Service Oriented Computing (ICSOC 2007), Vienna, Austria, September 17-20, 2007. Short paper.

33. Dumitru Roman, Jacek Kopecky, Ioan Toma and Dieter Fensel: The Place of Policy in Semantically Enabled Service-oriented Architecture. In proceedings of International Conference on Advances in Semantic Processing (SEMAPRO 2007), Papeete, French Polynesia, Tahiti, November 4-9, 2007.

34. Xia Wang, Tomas Vitvar, Mick Kerrigan and Ioan Toma: A QoS-aware Selection Model for Semantic Web Services. In Proceedings of the 4th International Conference on Service Oriented Computing (ICSOC 2006), Chicago, USA, December 4-7, 2006.

35. Ioan Toma, Tobias Buerger, Omair Shafiq, Daniel Doegl, Wernher Behrendt and Dieter Fensel: GRISINO: Combining Semantic Web Services, Intelligent Content Objects and Grid computing. In Proceedings of the 2nd IEEE Internation Conference on e-Science and Grid Computing (e-Science2006), Amsterdam, Netherlands, December 4-6, 2006. ISBN:0-7695-2734-5. http://doi.ieeecomputersociety.org/10.1109/E-SCIENCE.2006.83

36. Omair Shafiq and Ioan Toma: Towards semantically enabled Grid infrastructure. In Proceedings of the 2nd Austria Grid Symposium, Innsbruck, Austria, September 21-23, 2006.

37. Tobias Brger, Ioan Toma, Omair Shafiq and Daniel Doegl: Approaching the Integration of Knowledge Content Objects, Semantic Web Services and Grid Computing. Accepted for the Semantics 2006 conference, Vienna, Austria, November 28-30, 2006.

38. Dumitru Roman, Ioan Toma and Dieter Fensel: On Describing, Analyzing, and Executing Complex Behavior of Services in Service Oriented Computing. In Proceedings of the International Conference on Software Engineering Advances (ICSEA 2006) Tahiti, French Polynesia, October 29 - November 1, 2006.

39. Juan Miguel Gomez, Sung-Kook Han, Ioan Toma, Brahmananda Sapkota and Angel Garcia-Crespo A Semantically-enhanced Component-based Architecture for Software Composition. In Proceedings of the International Multi-Conference on Computing in the Global Information Technology (ICCGI'06), Bucharest, Romania, August 1-3, 2006. http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4124062

40. Dieter Fensel, Ioan Toma, Dumitru Roman: Towards a Semantically enabled Service Oriented Architecture. In: Reich, S., Guentner, G., Pellegrini, T., and Wahler, A., Eds. Semantic Content Engineering Proceedings der Semantics 2005 Trauner Verlag, Linz, 2006.

41. Ioan Toma, Dumitru Roman, Dieter Fensel: Modeling Semantic Web Services in ASG: The WSMO-based Approach. In: Reich, S., Guentner, G., Pellegrini, T., and Wahler, A., Eds. Semantic Content Engineering Proceedings der Semantics 2005 Trauner Verlag, Linz, 2006.

42. Ioan Toma, Dumitru Roman, Kashif Iqbal, Juergen Hofer, Dieter Fensel, Stefan Decker: Towards Semantic Web Services in Grid Environments. In Proceedings of the 1st International Conference on Semantic, Knowledge and Grid, Beijing, China, November 2005. Short paper.

43. Brahmananda Sapkota, Laurentiu Vasiliu, Ioan Toma, Dumitru Roman, Chris Bussler: Peer-to-Peer Technology Usage in Web Service Discovery and Matchmaking. In Proceedings of the 6th International Conference on Web Information Systems Engineering, New York City, USA, November 2005. Short paper.

44. Ioan Toma, Kashif Iqbal, Matthew Moran, Dumitru Roman, Thomas Strang and Dieter Fensel: An Evaluation of Discovery approaches in Grid and Web services Environments. In Proceedings of the 2nd International Conference on Grid Services Engineering and Management, Erfurt, Germany, September 2005.

45. Mumtaz Siddiqui, Thomas Fahringer, Juergen Hofer, and Ioan Toma: Grid Resource Ontology and Correlation. In Proceedings of the 2nd International Conference on Grid Services Engineering and Management, Erfurt, Germany, September 2005.

46. Michael Stollberg, Dumitru Roman, Ioan Toma, Uwe Keller, Reinhold Herzog, Peter Zugmann, and Dieter Fensel: Semantic Web Fred - Automated Goal Resolution on the Semantic Web. In Proceedings of the 38th Hawaii International Conference on System Science, January 2005. http://doi.ieeecomputersociety.org/10.1109/HICSS.2005.536

47. Ioan Alfred Letia and Ioan Toma: Using Neural Network ensemble based on genetic algorithms to optimise a Semantic Perceptron Net, CSCS-14 14th International Conference on Control Systems and Computer Science Bucharest, Romania, July 2003 pg. 120-126.

48. Gavril Toderean, Ioan Toma, Gabriela Chira, Radu Vescan, Cristian Jurca and Alin Inclezan: GPS Real-Time Car Navigation System, AQTR-THETA13, Cluj-Napoca, Romania, May 2002 pg.363-369.

Workshop papers:

1. Umutcan Serles and Ioan Toma: LLMs Meet Knowledge Graphs For A More Transparent Conversational AI: Wien Energie Chatbot. In Proceedings of the 1st Workshop on "Knowledge Graphs and Neurosymbolic AI Workshop (KG-NeSy 2024) at the AIRoV – The First Austrian Symposium on AI, Robotics, and Vision, Innsbruck, Austria, March 26–2, 2024.

2. Anna Fensel, Elias Kärle and Ioan Toma: TourPack: Packaging and Disseminating  Touristic Services with Linked Data and Semantics. In Proceedings of the 1st International Workshop on Semantic Technologies (IWOST), Jilin, China, March 9-11, 2015.

3. Dumitru Roman, Tertre Francois, Alejandro Llaves, Miha Grcar, Maja Skrjanc, Ioan Toma, Michael Pantazoglou, Silviu Trasca, Nils Rune Bodsberg and Morten Borrebæk: Enabling Access to Environmental Models, Data, and Services on the Web - Technical Results Summary from the ENVISION Project. In Proceedings of the Workshop "Environmental Information Systems and Services - Infrastructures and Platforms 2013 - with Citizens Observatories, Linked Open Data and SEIS/SDI Best Practices, co-located with the International Symposium on Environmental Software Systems 2013 (ISESS 2013), Neusiedl am See, Austria, October 10, 2013.

4. Antonio Roa-Valverde, Andreas Thalhammer, Ioan Toma and Miguel-Angel Sicilia: Towards a formal model for sharing and reusing ranking computations. In Proceedings of the 6th International Workshop on Ranking in Databases (DBRank 2012), co-located with the 38th International Conference on Very Large Databases (VLDB 2012) Istambul, Turkey, August 27-31, 2012.

5. Dieter Fensel, Birgit Leiter, Stefan Thaler, Andreas Thalhammer and Ioan Toma: Effective and Efficient On-line Communication. In Proceedings of the 11th International Workshop on Web Semantics and Information Processing (WebS 2012), co-located with the 23rd International Conference on Database and Expert Systems Applications (DEXA 2012) Vienna, Austria, September 3-7, 2012.

6. Dieter Fensel, Birgit Leiter, Stefan Thaler, Andreas Thalhammer, Anna Fensel and Ioan Toma: Knowledge Modeling of On-line Value Management. In Proceedings of the 1st International Workshop on Common Value Management (CVM 2012), co-located with the 9th Extended Semantic Web Conference (ESWC 2012) Heraklion, Greece, May 28th, 2012.

7. Ioannis Stavrakantonakis, Andreea-Elena Gagiu, Harriet Kasper, Ioan Toma and Andreas Thalhammer: An approach for evaluation of social media monitoring tools. In Proceedings of the 1st International Workshop on Common Value Management (CVM 2012), co-located with the 9th Extended Semantic Web Conference (ESWC 2012) Heraklion, Greece, May 28th, 2012.

8. Serge Tymaniuk, Ioan Toma and Liliana Cabral: Using WS-BPEL for Automation of Semantic Web Service Tools Evaluation. In Proceedings of the 2nd International Workshop on Evaluation of Semantic Technologies (IWEST 2012), co-located with the 9th Extended Semantic Web Conference (ESWC 2012) Heraklion, Greece, May 28th, 2012.

9. Andreas Thalhammer, Ioan Toma, Antonio J. Roa-Valverde and Dieter Fensel: Leveraging Usage Data for Linked Data Movie Entity Summarization. In Proceedings of the 2nd International Workshop on Usage Analysis and the Web of Data (USEWOD2012), co-located with the 21st International World Wide Web Conference (WWW2012), Lyon, France, April 17th, 2012.

10. Liliana Cabral and Ioan Toma: Evaluating Semantic Web Service Tools using the SEALS platform. In Proceedings of the 1st International Workshop on Evaluation of Semantic Technologies (IWEST 2010), co-located with the 9th International Semantic Web Conference (2010) (ISWC 2010) Shanghai, China, November 7, 2010.

11. Raul Garcia-Castro, Stephan Grimmm, Ioan Toma, Michael Schneider and Adrian Marte: The SEALS Yardsticks for Ontology Management. In Proceedings of the 1st International Workshop on Evaluation of Semantic Technologies (IWEST 2010), co-located with the 9th International Semantic Web Conference (2010) (ISWC 2010) Shanghai, China, November 7, 2010.

12. Ioan Toma, Elena Simperl, Graham Hench: A Roadmap for Semantic Technologies. In Proceedings of the 3rd STI Roadmapoing Workshop "Charting the next generation of semantic technologies", co-located with the 6th European Semantic Web Conference (ESWC 2009) Heraklion, Greece, May 31 - June 4, 2009.

13. Jose Maria Garcia, Ioan Toma, David Ruiz and Antonio Ruiz-Corts. A Service Ranker based on Logic Rules Evaluation and Constraint Programming. In Proceedings of the 2nd Non-Functional Properties and Service Level Agreements in Service Oriented Computing Workshop (NFPSLA-SOC'08) co-located with the 6th IEEE European Conference on Web Services (ECOWS 2008), Dublin, Ireland, November 12, 2008.

14. Ying Ding, Ioan Toma, Sin-Jae Kang, Michael Fried and Zhixian Yan: Data Mediation and Interoperation in Social Web: Modeling, Crawling and Integrating Social Tagging Data. WWW2008 Workshop on Social Web Search and Mining (SWSM2008), in conjunction with 17th International World Wide Web Conference, April 21-25, 2008, Beijing, China.

15. Darko Anicic, Michael Brodie, Jos de Bruijn, Dieter Fensel, Thomas Haselwanter, Martin Hepp, Stijn Heymans, Jorg Hoffmann, Mick Kerrigan, Jacek Kopecky, Reto Krummenacher, Holger Lausen, Adrian Mocan, James Scicluna, Ioan Toma and Michal Zaremba: A Semantically Enabled Service oriented Architecture. In Proceedings of WICI International Workshop on Web Intelligence (WI) meets Brain Informatics (BI) (WImBI 2006), December 15-16, 2006, Beijing, China.

16. Adina Sirbu, Ioan Toma and Dumitru Roman: A Logic based Approach for Service Discovery with Composition Support, In Proceedings of the Workshop on Emerging Web Services Technology (WEWST06), co-located with European Conference on Web Services 2006, Zurich, Switzerland, December 4-6, 2006.

17. Ioan Toma, Douglas Foxvoug, Michael C. Jaeger, Dumitru Roman, Thomas Strang, and Dieter Fensel: Modeling QoS characteristics in WSMO, In Proceedings of the Middleware for Service Oriented Computing workshop (MW4SOC 2006), co-located with 7t International Middleware Conference 2006, Melbourne, Australia, November 28, 2006. ACM International Conference Proceeding Series; Vol. 184, pages 42-47, ISBN 1-59593-425-1 http://doi.acm.org/10.1145/1169091.1169098

18. Dumitru Roman, Jacek Kopecky, Ioan Toma, and Dieter Fensel: Aligning WSMO and WS-Policy. In Proceedings of the 2nd International Semantic Web Policy Workshop (SWPW'06), co-located with the 5th International Semantic Web Conference (ISWC), Athens, Georgia, USA, November 5-9, 2006.

19. Juan Miguel Gomez, Ioan Toma, Sung-Kook Han, and Angel Garcia-Crespo: Collaborative Service Discovery: Old Wine in New Bottles?. In Proc. of the Service Discovery on the WWW Workshop (sdisco'06) in conj. with the 1st Asian Semantic Web Conference (ASWC 2006).

20. Juan Miguel Gomez, Mariano Rico, Francisco Garcia-Sanchez, Ioan Toma, and Sung-Kook Han: GODO: Goal Oriented Discovery for Semantic Web Services. In Proc. of the Service Discovery on the WWW Workshop (sdisco'06) in conj. with the 1st Asian Semantic Web Conference (ASWC 2006).

21. Omair Shafiq, Ioan Toma, Reto Krummenacher, Thomas Strang, and Dieter Fensel: Using Triple Space Computing for communication and coordination in Semantic Grid. In Proceedings of the 3rd Semantic Grid Workshop in conjunction with the 16th Global Grid Forum, Athens, Greece, February 13-16, 2006.

22. Ioan Toma, Brahmananda Sapkota, James Scicluna, Juan Miguel Gomez, Dumitru Roman, and Dieter Fensel: A P2P Discovery mechanism for Web Service Execution Environment. In Proceedings of the 2nd International WSMO Implementation Workshop (WIW 2005), Innsbruck, Austria, June 2005.

23. Dieter Fensel, Uwe Keller, Holger Lausen, Axel Polleres and Ioan Toma: WWW or What is Wrong with Web service discovery. Position paper at the W3C Workshop on Frameworks for Semantics in Web Services, June 9-10, 2005, Innsbruck, Austria.

24. Axel Polleres, Ioan Toma and Dieter Fensel: Modeling services for the Semantic Grid. In The Dagstuhl Seminar 05271 "Semantic Grid: The Convergence of Technologies", May 2005. Extended Abstract.

Demo papers:

1. Ioan Toma, Christoph Fuchs, Corneliu Stanciu, and Dieter Fensel: Using semantic technologies for scalable multi-channel communication. Demo paper at the 11th ESWC2014, Anissaras/Hersonissou, Crete, Greece, May 25-29, 2014.

2. Simon Hangl, Ioan Toma and Andreas Thalhammer: Introducing a Diversity-Aware Drupal Extension. Demo paper at the I-Semantics 2013 Conference 2013 (ISEM2013), Graz, Austria, September 4-6, 2013.

3. Andreas Thalhammer, Ioannis Stavrakantonakis, and Ioan Toma: Diversity-Aware Clustering of SIOC Posts. Demo paper at the I-Semantics 2013 Conference 2013 (ISEM2013), Graz, Austria, September 4-6, 2013.

4. Dumitru Roman, Patrick Maue, Miha Grcar, Iker Larizgoitia and Ioan Toma: ENVISION Platform - Demo of the Plarform's Capabilities and Components. Demo paper at the 5th IEEE International Conference on Semantic Computing (ICSC 2011), Palo Alto, CA, USA, September 18-21, 2011.

5. Federico Michele Facca, Srdjan Komazec and Ioan Toma: WSMX 1.0: A Further Step Toward a Complete Semantic Execution Environment. Demo paper at the 6th European Semantic Web Conference (ESWC 2009), Heraklion, Greece, 31 May - 4 June 2009.

6. Ioan Toma, Tobias Buerger, Omair Shafiq and Daniel Doegle: GRISINO - An Integrated Infrastructure for Semantic Web Services, Grid Computing and Intelligent Objects. Demo paper at 5th European Semantic Web Conference (ESWC 2008), Tenerife, Spain, June 1-5, 2008.

Poster papers:

1. Ioan Toma, Juergen Umbrich, Sonja Laengle, Marc Isop, Martina Theil, Alexander Sas, Werner Horst Reinwald, Andreas Theil, Alexander Wahler, Umutcan Simsek and Dieter Fensel: Towards the digital transformation of DSOs using Knowledge Graphs and Conversational AI. Poster paper at the 27th International Conference & Exhibition on Electricity Distribution (CIRED 2023) , Rome, Italy, June 12-15, 2023.

2. Zaenal Akbar, Jose Maria Garcia, Ioan Toma and Dieter Fensel: A Semantic-Based Platform for Efficient Online Communication. Poster paper at the 13th International Semantic Web Conference (ISWC2014), Riva del Garda, Trention, Italy, October 19-23, 2014.

3. Ioan Toma, Corneliu Valentin Stanciu, Anna Fensel, Ioannis Stavrakantonakis and Dieter Fensel: Improving the online visibility of touristic service providers by using semantic annotations. Poster paper at the 11th ESWC2014, Anissaras/Hersonissou, Crete, Greece, May 25-29, 2014.

4. Andreas Thalhammer, Ioan Toma, Rakebul Hasan, Elena Simperl and Denny Vrandecic: How to Represent Knowledge Diversity. Poster paper at the 10th International Semantic Web Conference (ISWC 2011), Bonn, Germany, October 23-27, 2011.

5. Ioan Toma, Tobias Buerger, Omair Shaq and Daniel Doegle: GRISINO - Combining Grid, Intelligent Content Objects and Semantic Web services. Poster paper at the OCG Forum Semantic Systems, Vienna, Austria, 4th of March, 2009.

6. Ioan Toma, Tobias Brger, Omair Shafiq and Daniel Doegl: Towards a Grid infrastructure for Services and Intelligent Content Objects. Poster paper at Enabling Grids for E-science Conference (EGEE 2006), Geneva, Switzerland, September 25-29, 2006.

7. Omair Shafiq and Ioan Toma: Potential of Semantic Web Services in realizing Semantic Grid. Poster paper at Enabling Grids for E-science Conference (EGEE 2006), Geneva, Switzerland, September 25-29, 2006.

8. Ioan Toma, Kashif Iqbal and Dumitru Roman: Adaptive Services Grid. Poster paper at the 4th International Semantic Web Conference (ISWC 2005), Galway, Ireland, November 6-11, 2005.

Standardization Documents:

1. Christoph Bussler, Emilia Cimpian, Dieter Fensel, Juan Miguel Gomez, Armi Haller, Thomas Haselwanter, Mick Kerrigan, Adrian Mocan, Matthew Moran, Eyal Oren, Brahmanada Sapkota, Ioan Toma, Jana Viskova, Tomas Vitvar, Maciej Zaremba and Michal Zaremba. Web Service Execution Environment (WSMX). W3C Member Submission 4 April 2005, 2005. 

2. Jos de Bruijn, Dieter Fensel, Michael Kifer, Jacek Kopecky, Ruben Lara, Holger Lausen, Axel Polleres, Dumitru Roman, James Scicluna, and Ioan Toma. Relationship of WSMO to other relevant technologies. W3C Member Submission 3 June 2005, 2005.

Technical reports:

1. Ioannis Stavrakantonakis, Zaenal Akbar, Anna Fensel, Dieter Fensel, Jose Garcia, Birgit Juen, Nelia Lasierra,  Ioan Toma, Serge Tymnaiuk: Why on-line marketing of touristic service providers never fulfilled its expectations. STI Innsbruck, June, 2014.

2. Zaenal Akbar, Anna Fensel, Dieter Fensel, Christoph Fuchs, Jose Garcia, Birgit Juen, Nelia Lasierra, Corneliu-Valentin Stanciu,  Ioan Toma, Serge Tymnaiuk. TVB Innsbruck semantic pilot analysis. STI Innsbruck, April, 2014.

3. Corneliu-Valentin Stanciu,  Ioan Toma, Anna Fensel. Evaluation of semantic annotations of Tourismusverband Innsbruck. STI Innsbruck, March, 2014.

4. Zaenal Akbar, Christoph Fuchs, Serge Tymaniuk,  Ioan Toma. Tourismusverband Content Ontology Mappings Implementation. STI Innsbruck, March, 2014.

5. Ioan Toma, Corneliu Valentin Stanciu, Ioannis Stavrakantonakis. Mapping FERATEL Content to Schema.org in the Tourismusverband Innsbruck Pilot. STI Innsbruck, March, 2014.

6. Zaenal Akbar, Serge Tymaniuk, Ioan Toma, Anna Fensel. Tourismusverband Content Ontology Mappings. STI Innsbruck, February, 2014.

7. Dieter Fensel, Christoph Fuchs, Jennifer Kaiser, Iker Larizgoitia, Birgit Leiter, Alex Oberhauser, Corneliu Stanciu, Ioannis Stavrakantonakis, and Ioan Toma: Ubiquitous Interaction and Collaboration with Touristic Services, STI Innsbruck, February, 2013.

8. Anna Fensel, Dieter Fensel, Andreea-Elena Gagiu, Iker Larizgoitia, Birgit Leiter, Ioannis Stavrakantonakis, Andreas Thalhammer, and Ioan Toma: How to Domesticate the Multi-Channel Monster, STI Innsbruck, November, 2012.

9. Dieter Fensel, Andreea-Elena Gagiu, Ioannis Stavrakantonakis, and Ioan Toma: Engagement 3.0, STI Innsbruck, May, 2012.

10. Daniel Bachlechner, Katharina Siorpaes, Dieter Fensel and Ioan Toma: Web Service Discovery - A Reality Check, DERI Innsbruck, 2006.