Van Woensel, W., Casteleyn, S., De Troyer, O.: "A Generic Approach for On-The-Fly Adding of Context-aware Features to Existing Websites", Proceedings of the 22nd ACM Conference on Hypertext and Hypermedia (HT'11), pp. 143-152, Eds. Paul De Bra, Kaj Grønbæk, ACM 2011, ISBN-ISSN 978-1-4503-0256-2, Eindhoven, Netherlands, June 2011.

De Troyer, O. and Paret, E.: "Challenges in Designing Domain-Specific Modeling Languages for Educational Games", Proceedings of the International workshop on Involving End Users and Domain Experts in the Design of Educational Games (DEG 2011), Torre Canne (Brindisi), Italy

Paret, E., Van Woensel, W., Casteleyn, S., Signer, B. and De Troyer, O.: "Efficient Querying of Distributed RDF Sources in Mobile Settings based on a Source Index Model", Proceedings of the 8th International Conference on Mobile Web Information Systems (MobiWIS 2011), pp. 554-561, Eds. Elhandi Shakshuki, Muhammad Younas, Niagara Falls, Canada, September 2011

This paper received the Best Paper Award.

Van Woensel, W., Casteleyn, S., Paret, E., De Troyer, O.: "Mobile Querying of Online Semantic Web Data for Context-Aware Applications", IEEE Internet Computing Special Issue (Semantics in Location-Based Services), Vol. 15, N° 6, pp. 32-39, Eds. Sergio Ilarri, Arantza Illarramendi, Eduardo Mena, Amit Sheth, ISBN-ISSN: 1089-7801

Abo Zaid, L., De Troyer, O.: Towards Modeling Data Variability in Software Product Lines, T. Halpin et al. (Eds.): BPMDS 2011 and EMMSAD 2011, LNBIP 81, pp. 453--467. Springer, Heidelberg (2011)

Van Woensel, W., Casteleyn, S., De Troyer, O.: "Applying Semantic Web Technology in a Mobile Setting: The Person Matcher", Proceedings of the 10th International Conference of Web Engineering (ICWE 2010), pp. 507-510, Eds. Benatallah et al., Publ. LNCS 6189, Springer-Verlag Berlin Heidelberg, ISBN 978-3-642-13910-9, Vienna, Austria (2010)

Pellens, B., De Troyer, O., Kleinermann, F.: "CoDePA Studio: Adding Explicit Support for Behavior Variants in Authoring Games", Proceedings of the 3rd Annual Conference on Computer Games, Multimedia and Allied Technology (CGAT 2010), pp. 151-158, Eds. Edmond Prakash, Publ. APTF, ISBN 978-981-08-5479-9 , Singapore, Singapore (2010)

Abo Zaid, L., Kleinermann, F., De Troyer, O.: "FEATURE ASSEMBLY MODELLING A New Technique for Modelling Variable Software", 5th International Conference on Software and Data Technologies Proceedings, Volume: 1, pp. pp: 29 - 35, Eds. José Cordeiro Maria Virvou Boris Shishkov, Publ. SciTePress, ISBN 978-989-8425-22-5, Athens, Greece (2010)

Van Woensel, W., Casteleyn, S., De Troyer, O.: "A Framework for Decentralized, Context-Aware Mobile Applications Using Semantic Web technology", Proceedings On the Move to Meaningful Internet Systems: OTM 2009 Workshops, Confederated International Workshops and Posters, LNCS 5872, pp. 88-97, Eds. Robert Meersman, Pilar Herrero, Tharam S. Dillon, Publ. Springer Verlag, ISBN 978-3-642-05289-7, Vilamoura, Portugal (2009)

Mushtaha, A. , De Troyer, O.: "Cross-culture and website design: cultural movements and settled cultural variables", Proceedings of the 13th International Conference on Human-Computer Interaction, pp. 69-78, Publ. Springer, Volume 5623/2009, ISBN 978-3-642-02766-6, San Diego, USA (2009)

Mansouri, H., Kleinermann, F., De Troyer, O.: "Detecting inconsistencies in the design of virtual environments over the web using domain specific rules", In Proceedings of the 14th International Conference on 3D Web Technology, pp. 101-109, Eds. Stephen N. Spencer, Publ. ACM, ISBN 978-1-60558-432-4, Darmstadt, Germany (2009)

De Troyer, O., Kleinermann, F., Pellens, B., Ewais, A.: "Supporting Virtual Reality in an Adaptive Web-based Learning Environment", Learning in the Synergy of Multiple Disciplines, Proceedings of the 4th European Conference on Technology Enhanced Learning (EC-TEL), LNCS 5794, pp. 627-632, Eds. Cress. U. et al, Publ. Springer, ISBN 978-3-642-04635-3, Nice, France (2009)

Abo Zaid, L., Houben, G-J., De Troyer, O., Kleinermann, F.: An OWL- Based Approach for Integration in Collaborative Feature Modelling. 4th Workshop on Semantic Web Enabled Software Engineering - SWESE2008

Pellens, B., De Troyer, O., Kleinermann, F.: "CoDePA: A Conceptual Design Patterns Approach to model Behavior for X3D Worlds", Proceedings of the 13th International Symposium on 3D Web Technology (Web3D 2008), pp. 91-99, Publ. ACM Press, ISBN 978-1-60558-213-9, Los Angeles, USA (2008)

Kleinermann, F., De Troyer, O., Creelle, C., Pellens, B.: "Adding semantic annotations, Navigation paths and Tour Guides for Existing Virtual Environments", Proceedings of the 13th International Conference on Virtual Systems and Multimedia, pp. 50-62, Publ. Springer-Verlag, ISBN 978-0-9775978-1-9, Brisbane, Australia (2007)

Pellens, B., De Troyer, O., Kleinermann, F., Bille, W.: "Conceptual Modeling of Behavior in a Virtual Environment", Special issue: International Journal of Product and Development, Vol. 4, No. 6, pp. 626-645, Eds. Fischer X. and Bernard A., Publ. Inderscience Enterprises, ISBN 1477-9056 (2007)

De Troyer, O., Kleinermann, F., Mansouri, H., Pellens, B., Bille, W., Fomenko, V.: "Developing semantic VR-shops for e-Commerce", Special Issue of VIRTUAL REALITY: "Virtual Reality in the e-Society", Vol. 11, pp. 89-106, Eds. G. D. Magoulas, G. Lepouras, C. Vassilakis, Publ. Springer London, ISBN 1359-4338 (2007)

Pellens, B., Kleinermann, F., De Troyer, O.: "Intuitively Specifying Object Dynamics in Virtual Environments using VR-WISE", Proceedings of the ACM Symposium on Virtual Reality Software and Technology, pp. 334-337, Publ. ACM Press, ISBN 1-59593-321-2, Limassol, Cyprus (2006)

De Troyer, O., Mushtaha, A. , Stengers H., Baetens M., Boers F., Casteleyn, S., Plessers, P.: "On Cultural Differences in Local Web Interfaces", Journal of Web Engineering, Vol. 5, No. 3, pp. 246 - 265, Publ. Rinton Press (2006)

Plessers, P., De Troyer, O.: "Resolving Inconsistencies in Evolving Ontologies", Proceedings of the 3rd European Semantic Web Conference (ESWC 2006), pp. 200-214, Eds. Y. Sure, J. Domingue, Publ. Springer-Verlag, Budva, Montenegro (2006)

[Acceptance Rate: 26%]

Pellens, B., De Troyer, O., Bille, W., Kleinermann, F., Romero, R.: "An Ontology-Driven Approach for Modeling Behavior in Virtual Environments", Proceedings of Ontology Mining and Engineering and its Use for Virtual Reality (WOMEUVR 2005), pp. 1215-1224, Eds. Meersman, R. et al., Publ. Springer-Verlag, ISBN 3-540-29739-1, Agia Napa, Cyprus (2005)

Casteleyn, S., Garrigós, I., De Troyer, O.: "Automatic Runtime Validation and Correction of the Navigational Design of Web Sites", Web Technologies Research and Development - APWeb 20055, LNCS 3399, pp. 453 - 463, Eds. Yanchun Zhang, Katsumi Tanaka, Jeffrey Xu Yu, Shan Wang, Minglu Li, Publ. Springer-Verlag, ISBN 3-540-25207-X, Shangai, China (2005)

[Acceptance Rate: 17%]

Pellens, B., De Troyer, O., Bille, W., Kleinermann, F.: "Conceptual Modeling of Object Behavior in a Virtual Environment", Proceedings of Virtual Concept 2005, pp. 93-94, Eds. Xavier Fisher et al., Publ. Springer-Verlag, ISBN 2-287-28772-8, Biarritz, France (2005)

Plessers, P., De Troyer, O., Casteleyn, S.: "Event-based Modeling of Evolution for Semantic-driven Systems", Advanced Information Systems Engineering - Proceedings of the 17th Conference on Advanced Information Systems Engineering (CAiSE'05), pp. 63 - 76, Eds. Oscar Pastor, Joao Falcao e Cunha, Publ. Springer-Verlag, ISBN 3-540-26095-1, Porto, Portugal (2005)

[Acceptance Rate: 13%]

Plessers, P., De Troyer, O.: "Ontology Change Detection using a Version Log", Proceedings of the 4th International Semantic Web Conference, pp. 578-592, Eds. Yolanda Gil, Enrico Motta, V.Richard Benjamins, Mark A. Musen, Publ. Springer-Verlag, ISBN 978-3-540-29754-3, Galway, Ireland (2005)

[Acceptance Rate: 25%]

Plessers, P., Casteleyn, S., De Troyer, O.: "Semantic Web Development with WSDM", 5th International Workshop on Knowledge Markup and Semantic Annotation (SemAnnot 2005), Galway, Ireland (2005)

Mushtaha, A. , De Troyer, O.: "Towards Localising e-Learning Websites", International Journal for Localisation, pp. 06-09, ISBN 1649-2358, Limerick, Ireland (2005)

De Troyer, O., Casteleyn, S.: "Designing Localized Web Sites", Proceedings of the 5th International Conference on Web Information Systems Engineering (WISE2004), pp. 547 - 558, Eds. Zhou, X., Su, S., Papazoglou, M.P., Orlowska, M.E., Jeffery, K.G., Publ. Springer-Verlag, ISBN 3-540-23894-8, Brisbane, Australia (2004)

[Acceptance Rate: 24%]

Stengers H., De Troyer, O., Baetens M., Boers F., Mushtaha, A. : "Localization of Web Sites: Is there still a need for it?", International Workshop on Web Engineering (held in conjunction with the ACM HyperText 2004 Conference), Santa Cruz, USA (2004)

Bille, W., De Troyer, O., Kleinermann, F., Pellens, B., Romero, R.: "Using Ontologies to Build Virtual Worlds for the Web", Proceedings of the IADIS International Conference WWW/Internet 2004 (ICWI2004), Volume I, pp. 683 - 690, Eds. Isaias, P., Karmakar, N., Publ. IADIS PRESS, ISBN 972-99353-0-0, Madrid, Spain (2004)

Casteleyn, S., De Troyer, O., Brockmans, S.: "Design Time Support for Adaptive Behaviour in Web Sites", Proceedings of the 18th ACM Symposium on Applied Computing, pp. 1222 - 1228, Publ. ACM, ISBN ISBN 1-58113-624-2, Melbourne, USA (2003)

[Acceptance Rate: 32%]

De Troyer, O., Casteleyn, S.: "Modeling Complex Processes for Web Applications using WSDM", Proceedings of the Third International Workshop on Web-Oriented Software Technologies (held in conjunction with ICWE2003), IWWOST2003 (also on http://www.dsic.upv.es/~west/iwwost03/articles.htm), Eds. Daniel Schwabe, Oscar Pastor, Gustavo Rossi, Luis Olsina, Oviedo, Spain (2003)

Casteleyn, S., De Troyer, O.: "Exploiting Link Types during the Web Site Design Process to Enhance Usability of Web Sites", Proceedings of the Second International Workshop on Web-Oriented Software Technologies, IWWOST 2002 (attached to the ECOOP conference), Eds. Daniel Schwabe, Gustavo Rossi, Oscar Pastor, Luis Olsini, Malaga, Spain (2002)

Lekova, A., De Troyer, O.: "Improved Navigation Through Extended XML Links", Proceedings of the Third International Conference on Information Integration and Web-based Applications & Services (IIWAS 2001), Austrian Computer Society, Band 150, pp. 10 - 12, Eds. Winiwater, W., Bressan, S., Ibrahim I.K. , Linz, Austria (2001)

Goedefroy, W., Meersman, R., De Troyer, O.: "UR-WSDM: Adding User Requirement Granularity to Model Web Based Information Systems", Proceedings of 1st Workshop on Hypermedia Development (attached to the Hypertext 98 conference), pp. 20 - 24, Pittsburgh, USA (1998)

DE TROYER O., CASIMIR R.J., Databasemanagement ontwikkelingen. In: Leerboek Informatiesystemen, Samson BedrijfsInformatie, November 1996.

DE TROYER O., Nog geen ruimte op kantoor voor OO-databases. In: PC\Werkstation, 3 (2), Array Publications, March 1994

DE TROYER O. On Data Schema Transformations. ISBN 90-9005913-X. Ph.D. Thesis, 1993, pp.1-301

BRIALES M.J., DE TROYER O., Object-Oriented Integrity Enforcement in a Relational Environment. In: "Aspects of Databases, Proc. 9th British National Conference on Databases.", eds. M.S. Jackson, A.E. Robinson. Butterworth-Heinemann, 1991 (pp. 38-68)