Workshop and Conference Papers
- Friedrich, H., Glachs, D., Pawlowski, J., Ras, E., Schilling, P., Schmeling, J., Steffens, P., Stoffregen, J., Trapp, S. & Vallogia, P. (2017). Wissenserwerb als Teil der „Produktionsumgebung Wissensmanagement“ der ÖV. In: Sure-Vetter, Y., Zander, S., Harth, A. (eds.): ProWM Workshop 2017 (in conjunction with WM 2017 Professionelles Wissensmanagement), Vol. 1821. CEUR, Karlsruhe, Germany 151-166.
- Ras, E., Wild, F., Stahl, C., & Baudet, A. (2017). Bridging the Skills Gap of Workers in Industry 4.0 by Human Performance Augmentation Tools: Challenges and Roadmap. Paper presented at the 10th International Conference on Pervasive Technologies Related to Assistive Environments, Island of Rhodes, Greece.
- Anastasiou, D., & Ras, E. (2017). Case Study Analysis on Collaborative Problem Solving Using a Tangible Interface. In D. Joosten-ten Brinke & M. Laanpere (Eds.), 19th International Conference Technology Enhanced Assessment (TEA 2016), Tallinn, Estonia, October 5-6, 2016, 11-22. Cham: Springer International Publishing.
- Ras, E., Baudet, A., & Foulonneau, M. (2017). A Hybrid Engineering Process for Semi-automatic Item Generation. In D. Joosten-ten Brinke & M. Laanpere (Eds.), 19th International Conference Technology Enhanced Assessment (TEA 2016), Tallinn, Estonia, October 5-6, 2016, 105-116. Cham: Springer International Publishing.
- Tobias, E., Pedretti, O., Pfeiffer, A., Ras, E., & Foulonneau, M. (2016). The automatic item generator as used in the EAGLE OER learning platform. Paper presented at the International Technology Enhanced Assessment Conference (TEA 2016), Tallinn, Estonia.
- Höhn, S., Pfeiffer, A., & Ras, E. (2016). Challenges of error annotation in native non-native speaker chat. Paper presented at KONVENS 2016, Bochum,
Germany. - Höhn, S., & Ras, E. (2016). Designing formative and adaptive feedback using incremental user models. Paper to be presented at the International Conference on Web-based Learning (ICWL 2016), Rome, Italy.
- Anastasiou, D., Fal, M., & Ras, E. (2016). Hand gestures during collaborative problem solving. Paper presented at the 3rd International Symposium for
Movement and Computing (MOCO), Thessaloniki, GA, Greece. - Anastasiou, D., Maquil, V., & Ras, E. (2016). A Gesture Taxonomy for Tangible User Interfaces Paper presented at the International Gesture Conference in Paris (ISGS 2016) – Gesture – Creativity – Multimodality, Paris, France.
- Anastasiou, D., Maquil, V., Ras, E., & Fal, M. (2016). Design implications for a user study on a tangible tabletop. Paper presented at the 15th International Conference on Interaction Design and Children (IDC 2016), Manchester, United Kingdom.
- Anastasiou, D., & Ras, E. (2016). Pilot study on collaborative problem solving using a tangible user interface. Paper to be presented at the Technology Enhanced Assessment (TEA 2016), Tallinn, Estonia.
- Mrabet, Y., Gardent, C., Foulonneau, M., Simperl, E., & Ras, E. (2015). Towards knowledge-driven annotation. Paper presented at the Association for the Advancement of Artificial Intelligence (AAAI), Austin, Texas, USA.
- Pfeiffer, A., Kuraeva, A., Foulonneau, M., Djaghloul, Y., Tobias, E., & Ras, E. (2015). Automatically generated metrics for multilingual inline choice questions on reading comprehension. Paper presented at the International Computer Assisted Assessment Conference 2015 (CAA 2015), Zeist, The Netherlands.
- Limbu, B., Maquil, V., Ras, E., & Weinberger, A. (2015). Tomb of osiris: Gamifying the assessment of collaborative complex problem solving skills on tangible tabletops. Paper presented at the International Computer Assisted Assessment Conference 2015 (CAA 2015), Zeist, The Netherlands.
- Maquil, V., Tobias, E., Greiff, S., & Ras, E. (2014). Assessment of collaborative problem solving using linear equations on a tangible tabletop. Paper presented at the 2014 International Computer Assisted Assessment (CAA) Conference, Zeist, The Netherlands.
- Tobias, E., Maquil, V., & Ras, E. (2014). Tangible-based assessment of collaborative problem solving. Paper presented at the 2014 International Computer Assisted Assessment (CAA) Conference, Zeist, The Netherlands.
- Rangoni, Y., & Ras, E. (2014). Benchmarking binarisation techniques for 2d fiducial marker tracking. Paper presented at the ICPRAM 2014, France.
- Damjanovic, V., Glachs, D., Tcholtchev, N., Ras, E., & Tobias, E. (2014). Eagle – open data and linked data architecture of an enhanced government learning platform. Paper presented at the European Conference on Technology Enhanced Learning (ECTEL 2014), Graz, Austria. http://dx.doi.org/10.1007/978-3-319-11200-8_68
- Foulonneau, M., & Ras, E. (2013). Assessment item generation, the way forward. Paper presented at the Symposium “20th Century Assessment for 21st Century Skills?” at the 2013 International Computer Assisted Assessment (CAA) Conference, Southampton, UK.
- Foulonneau, M., Ras, E., Latour, T., & Gütl, C. (2013). Generating high quality assessment items from multimedia web resources. Paper presented at the 5th Szeged Workshop on Educational Evaluation (SWEE 2013), Szeged, Hungary.
- Foulonneau, M., & Ras, E. (2013). Using educational domain models for automatic item generation beyond factual knowledge assessment. Paper presented at the 8th European Conference on Technology Enhanced Learning (ECTEL 2013), Paphos, Cyprus.
- Foulonneau, M., Ras, E., Abou Zeid, E., & Atéchian, T. (2013). Reusing textual resources in educational assessment: Adding text readability metrics to learning metadata. Paper presented at the International conference on Dublin Core and Metadata Applications 2013, Lisbon, Portugal.
- Rangoni, Y., Ras, E., & Vajda, S. (2013). Using handwriting recognition modality in tangible user interface. Paper presented at the Tenth IAPR International Workshop on Graphics Recognition – GREC 2013, Lehigh University, Bethlehem, PA, USA.
- Ras, E., Maquil, V., Foulonneau, M., & Latour, T. (2013). Assessing 21st century skills on an interactive tabletop. Paper presented at the 5th Szeged Workshop on Educational Evaluation (SWEE 2013), Szeged, Hungary.
- Ras, E., Maquil, V., Foulonneau, M., & Latour, T. (2012). Using tangible user interfaces for technology-based assessment – advantages and challenges. Paper presented at the International Conference Computer-Assisted Assessment (CAA 2012), Southampton, UK.
- Maquil, V., & Ras, E. (2012). Collaborative problem solving with objects: Physical aspects of a tangible tabletop in technology-based assessment. Paper presented at the 10th International Conference on the Design of Cooperative Systems – From research to practice: Results and open challenges (COOP 2012), Marseille, France.
- Maquil, V., Ras, E., & Zephir, O. (2012). Creating metaphors for tangible user interfaces in the context of collaborative urban planning: Questions for designers and developers. Paper presented at the 10th International Conference on the Design of Cooperative Systems – From research to practice: Results and open challenges (COOP 2012), Marseille, France.
- Foulonneau, M., Grouès, V., Ras, E., & Mayer, H. (2012). Semantic metrics for predicting the difficulty of assessment items. Paper presented at the International Conference Computer-Assisted Assessment (CAA 2012), Southampton, UK.
- Costetchi, E., & Ras, E. (2011). From informal to formal knowledge representation using qaf triad. Paper presented at the Workshop Interagir Avec Des Représentations Formelles at the IHM 2011 Conference, Sophia Antipolis, France.
- Costetchi, E., Ras, E., & Latour, T. (2011). Automated dialogue-based ontology elicitation. Paper presented at the FET11 – The European Future Technologies Conference and Exhibition 2011, Budapest, Hungary.
- Foulonneau, M., Ras, E., & Latour, T. (2011). Reusing multimedia resources in assessment items – practices and impact. Paper presented at the 14th International Computer Assisted Assessment Conference (CAA 2011), Southhampton, UK.
- Lepmets, M., Ras, E., & Renault, A. (2011). Goal internalization in process improvement. Paper presented at the 18th EuroSPI Conference, Roskilde University, Denmark.
- Lepmets, M., Ras, E., & Renault, A. (2011). Impact analysis of process improvement on it service quality. Paper presented at the Second International Conference on Exploring Services Sciences (IESS 2011), Geneva, Switzerland.
- Lepmets, M., Ras, E., & Renault, A. (2011). A quality measurement framework for it services. Paper presented at the Conference of Service Research and Innovation Institute (SRII 2011), San Jose, CA, US.
- Maquil, V., Zephir, O., & Ras, E. (2011). Understanding the characteristics of metaphors in tangible user interfaces. Paper presented at the Workshop Be-Greifbare Interaktion at the Mensch and Computer Conference 2011, Chemnitz, Germany.
- Ras, E., & Maquil, V. (2011). Preliminary results of a usability study in the domain of technology-based assessment using a tangible tabletop. Paper presented at the Workshop Usability in Education (U-Ed) at the IHM 2011 conference, Sophia Antipolis, France.
- Ras, E. (2011). Using multimedia in self-authored test items – open research issues in formative assessment. Paper presented at the IADIS International Conference e-learning 2011 (part of the IADIS Conference on Computer Science and Information Systems 2011), Rome, Italy.
- Ras, E. (2010). How can formative assessment contribute to the effectiveness of personal and adaptive learning environments of today? Paper presented at the 2nd Szeged Workshop on Educational Evaluation (SWEE 2010), Szeged, Hungary.
- Ras, E., Plichart, P., & Latour, T. (2010). Addressing the needs of today’s e-learning environments via an open and versatile architecture for assessment. Paper presented at the International Conference on Interactive Computer Aided Learning (ICL2010), Hasselt, Belgium.
- Ras, E., & Rech, J. (2010). Survey on intelligent assistance for workplace learning in software engineering. Paper presented at the Knowledge Management, Information Systems, E-Learning, and Sustainability Research : Third World Summit on the Knowledge Society, WSKS 2010, Corfu, Greece.
- Ras, E., Swietlik, J., Plichart, P., & Latour, T. (2010). Tao – a versatile and open platform for technology-based assessment. Paper presented at the Sustaining TEL: from innovation to learning and practice, 5th European Conference on Technology Enhanced Learning (EC-TEL 2010), Barcelona, Spain.
- Ras, E. (2009). Investigating wikis for software engineering – results of two case studies. Paper presented at the Wiki4SE (in conjunction with 31st International Conference on Software Engineering, ICSE 2009), Vancouver, Canada.
- Emrich, A., Weber, S., & Ras, E. (2009). Towards proactive and intelligent assistance in experience management. Paper presented at the LSO Workshop (at 10th International Conference on Product Focused Software Development and Process Improvement, Profes 2009), Oulu, Finland.
- Ras, E., & Weber, S. (2009). Software organization platform: Integrating organizational and individual learning. Paper presented at the Workshop on Wikis for Software Engineering (Wiki4SE with 31st International Conference on Software Engineering, ICSE 2009), Vancouver, Canada.
- Rech, J., & Ras, E. (2009). The future of learning software organizations: Semantics – collaboration – aggregation.
- Weber, S., Emrich, A., Broschart, J., Ras, E., & Ünalan, Ö. (2009). Supporting software development teams with a semantic process- and artifact-oriented collaboration environment. Paper presented at the Workshop on Collaboration and Knowledge Sharing in Software Development Teams (SOFTEAM 2009 at Software Engineering Conference 2009), Kaiserslautern, Germany.
- Ras, E., Rech, J., & Weber, S. (2009). Investigating the suitability of web x.Y features for software engineers. Paper presented at the Workshop Software Engineering within Social Software Environments (SENSE 2009 at Software Engineering Conference 2009), Kaiserslautern, Germany.
- Ras, E., Rech, J., & Weber, S. (2009). Knowledge services for experience factories. Paper presented at the 1st Workshop on Knowledge Services & Mashups (at 5th conference on Professional Knowledge Management 2009), Solothurn, Switzerland.
- Ras, E., & Ilin, D. (2008). Using decision models for the adaptive generation of learning spaces. Paper presented at the 5th International Conference on Adaptive Hypermedia and Adaptive Web-Based Systems 2008 (AH 2008), Hannover, Germany.
- Ras, E., & Rech, J. (2008). Improving knowledge acquisition in capstone projects using learning spaces for experiential learning. Paper presented at the 21st Conference on Software Engineering Education and Training, Charleston, South Carolina, USA.
- Ras, E., Rech, J., & Weber, S. (2008). Collaborative authoring of learning elements for adaptive learning spaces. Paper presented at the Workshop on Authoring of Adaptive and Adaptable Hypermedia at AH2008, Hannover, Germany.
- Weber, S., Thomas, L., Armbrust, O., Ras, E., Rech, J., Uenalan, Ö., Decker, B. (2008). A software organization platform (sop). Paper presented at the 10th Workshop on Learning Software Organizations (LSO 2008), Rome, Italy.
- Weber, S., Thomas, L., & Ras, E. (2008). Investigating the suitability of mashups for informal learning and personal knowledge management. Paper presented at the Workshop on Mash-Up Personal Learning Environments (MUPPLE08), Maastricht, The Netherlands.
- Ras, E. (2008). Improving reuse of experience packages through learning spaces: A controlled experiment. Paper presented at the 2nd International Symposium on Empirical Software Engineering and Measurement (ESEM 2008), Kaiserslautern, Germany.
- Kleinberger, T., Becker, M., Ras, E., Holzinger, A., & Müller, P. (2007). Ambient intelligence in assisted living: Enable elderly people to handle future interfaces. Paper presented at the Universal Access in Human Computer Interaction (UAHCI 2007), Beijing, China.
- Ras, E. (2007). Resolving variations in learning spaces for experiential learning. Paper presented at the Second European Conference on Technology Enhanced Learning (ECTEL 2007), Crete, Greece. http://sunsite.informatik.rwth-aachen.de/Publications/CEUR-WS/Vol-280/
- Ras, E., Becker, M., & Koch, J. (2007). Engineering tele-health solutions in the ambient assisted living lab. Paper presented at the SmarTel 2007, Canada.
- Ras, E., Rech, J., & Decker, B. (2006). Workplace learning in software engineering reuse. Paper presented at the I-KNOW ‘06, Special track on “Integrating Working and Learning”, Graz, Austria. I-KNOW ‘06, Special track on “Integrating Working and Learning”
- Thomas, L., & Ras, E. (2006). Wiederverwendungsorientiertes content authoring nach dem single-source prinzip. Paper presented at the Gesellschaft für Informatik -GI-, Bonn: DeLFI 2006, 4. E-Learning Fachtagung Informatik, Darmstadt, Germany. DeLFI 2006
- Decker, B., Rech, J., Ras, E., Klein, B., & Hoecht, C. (2006). Using wikis to manage use cases: Experience and outlook. Paper presented at the International Workshop on Learning Software Organizations and Requirements Engineering (LSO+RE 2006), Hannover, Germany. LSO+RE 2006
- Decker, B., Ras, E., Rech, J., Klein, B., Reuschling, C., Höcht, C., . . . Haas, V. (2005). A framework for agile reuse in software engineering using wiki technology. Paper presented at the Conference Professional Knowledge Management – Experiences and Visions., Kaiserslautern. KMDAP 2005
- Ras, E. (2005). Just-in-time learning with situational content objects. Paper presented at the E-Learn 2005, World Conference on E-Learning in Corporate, Government, Healthcare & Higher Education, Vancouver, Canada. Edmedia 2005
- Decker, B., Ras, E., Rech, J., Klein, B., & Hoecht, C. (2005). Self-organized reuse of software engineering knowledge supported by semantic wikis. Paper presented at the Workshop on Semantic Web-enabled Software (Collocated with the International Semantic Web Conference), Galway, Ireland. SWESE 2005
- http://www.mel.nist.gov/msid/conferences/SWESE/repository/11self-org_reuse_of_se.pdf
- Ras, E., Memmel, M., & Weibelzahl, S. (2005). Integration of e-learning and knowledge management – barriers, solutions and future issues. Paper presented at the Professional Knowledge Management (WM2005), Kaiserslautern, Germany. Professional Knowledge Management (WM2005) / LOKMOL 2005
- Avram, G., Ras, E., & Weibelzahl, S. (2004). Using weblogs for eliciting new experiences and creating learning elements for experienced-based information systems. Paper presented at the 4th International Conference on Knowledge Management, Graz, Austria. i-Know 2004
- Rech, J., & Ras, E. (2004). Experience-based refactoring for goal-oriented software quality improvement. Paper presented at the First International Workshop on Software Quality (SOQUA 2004), Erfurt, Germany. SOQUA 2004
- Rech, J., Ras, E., & Jedlitschka, A. (2004). Improving software quality through refactoring by means of didactical augmented experience. Paper presented at the Testing of Component-Based Systems and Software Quality. Lecture Notes in Informatics (LNI) -SOQUA2004
- Ras, E., Angkasaputra, N., & Waterson, P. (2004). Preliminary evaluation of a virtual meeting room for supporting group work. Paper presented at the CALIE 2004, Grenoble, France. CALIE 2004
- Ras, E., & Weibelzahl, S. (2004). Embedding experiences in micro-didactical arrangements. Paper presented at the 6th International Workshop on Advances in Learning Software Organisations (LSO 2004), Banff, Canada. Report
- Angkasaputra, N., Pfahl, D., Ras, E., & Trapp, S. (2003). The collaborative learning methodology coronet-train. Implementation and guidance. Paper presented at the 4th International Workshop on Learning Software Organizations, Chicago, USA. Report
- Angkasaputra, N., Pfahl, D., Ras, E., & Trapp, S. (2002). The collaborative learning methodology coronet-train. Implementation and guidance. Paper presented at the Learning Software Organsizations, Chicago, USA. Report
Journal Articles
- Stoffregen, J. D., Pawlowski, J. M., Ras, E., Tobias, E., Šćepanović, S., Fitzpatrick, D., . . . Moebs, S. (2016). Barriers to open e-learning in public administrations: A comparative case study of the European countries Luxembourg, Germany, Montenegro and Ireland. Technological Forecasting and Social Change, 111, 198-208. doi: http://dx.doi.org/10.1016/j.techfore.2016.06.030
- Stoffregen, J. D., Pawlowski, J. M., Ras, E., Tobias, E., Šćepanović, S., Fitzpatrick, D., . . . Moebs, S. (2016). Barriers to open e-learning in public administrations: A comparative case study of the European countries Luxembourg, Germany, Montenegro and Ireland. Technological Forecasting and Social Change, 111, 198-208.
- Kalz, M., Ras, E., & Whitelock, D. (2015). Technology-enhanced assessment: Agency change in the educational eco-system (preface). Interaction Design and Architectures (ID&A), 25.
- Anastasiou, D., Maquil, V., & Ras, E. (2014). Gesture analysis in a case study with a tangible user interface for collaborative problem solving. Journal on Multimodal User Interfaces, 8(3), 305-317. doi: 10.1007/s12193-014-0158-z
- Foulonneau, M., & Ras, E. (2014). Automatic item generation – new prospectives using open educational resources and the semantic web. International Journal of e-Assessment (IJEA), 1.
- Lepmets, M., Mesquida, A., Cater-Steel, A., Mas, A., & Ras, E. (2014). The evaluation of the it service quality measurement framework in industry. Global Journal of Flexible Systems Management, 15(1), 39-57. doi: DOI 10.1007/s40171-013-0052-7
- Ras, E., Al-Smadi, M., & Marenzi, I. (2014). Technology-based formative assessment (preface). Int. J. Technology Enhanced Learning, 6(4).
- Ras, E., Krkovic, K., Greiff, S., Tobias, E., & Maquil, V. (2014). Moving towards the assessment of collaborative problem solving skills with a tangible user interface. The Turkish Online Journal of Educational Technology (TOJET), 13(4).
- Ras, E., Maquil, V., Foulonneau, M., & Latour, T. (2013). Empirical studies on a tangible user interface for technology-based assessment – insights and emerging challenges. International Journal of e-Assessment (IJEA), CAA 2012 Issue: Pedagogy and Technology: Harmony and Tensions, 3(1).
- Lepmets, M., Cater-Steel, A., Gacenga, F., & Ras, E. (2012). Extending the it service quality framework through a systematic literature review. Journal of Service Science Research, 4(1), 7-47.
- Lepmets, M., McBride, T., & Ras, E. (2012). Goal alignment in process improvement Journal of Systems and Software, 85(6), 1440-1452.
- Rech, J., & Ras, E. (2011). Aggregation of experiences in experience factories into software patterns. ACM SIGSOFT Software Engineering Notes (March 2011).
- Ras, E., & Rech, J. (2009). Using wikis to support the net generation in improving knowledge acquisition in capstone projects. Systems and Software, 82, 553-562.
- Decker, B., Ras, E., Rech, J., Jaubert, P., & Rieth, M. (2007). Wiki-based stakeholder participation in requirements engineering. IEEE Software, 24(2), 28-35.
- Ras, E., Rech, J., & Decker, B. (2007). Lernräume für erfahrungsbasiertes lernen mit Wiki-systemen im Software Engineering. Zeitschrift für E-Learning – Lernkultur und Bildungstechnologie 2(1, E-Learning und Wissensmanagement), 22-35.
- Rech, J., Decker, B., Ras, E., Jedlitschka, A., & Feldmann, R. L. (2007). The quality of knowledge: Knowledge patterns and knowledge refactorings. International Journal on Knowledge Management (IJKM), 3(3), 74-103.
- Rech, J., & Ras, E. (2007). Systematische Aggregation von Erfahrungen im Erfahrungsmanagement. Künstliche Intelligenz, 21(4), 16-22.
- Rech, J., Ras, E., & Decker, B. (2007). Intelligent assistance in german software development: A survey. IEEE Software, 24(4), 72-79.
- Ras, E., Carbon, R., Decker, B., & Rech, J. (2007). Experience management wikis for reflective practice in software capstone projects. IEEE Transactions on Education, 50(4), 312-320. doi: 10.1109/TE.2007.904580
- Ras, E., Avram, G., Weibelzahl, S., & Waterson, P. (2005). Using weblogs for knowledge sharing and learning in information spaces. Journal of Universal Computer Science, 11(3), 394-409.
- Ras, E. (2003). Life long learning. Modulare Wissensbasen für elektronische Lernumgebungen. [Book resension]. KI – Künstliche Intelligenz, 3(17), 59.
Book sections
- Ras, E., Whitelock, D., & Kalz, M. (2016). The promise and potential of e-assessment for learning. In P. Reimann, S. Bull, M. Kickmeier-Rust, R. Vatrapu & B. Wasson (Eds.), Measuring and visualising learning in the information-rich classroom (pp. 21-40): Routledge.
- Rech, J., Feldmann, R. L., & Ras, E. (2011). Knowledge patterns. In D. Schwartz & D. Te’eni (Eds.), Encyclopedia of knowledge management (2nd Edition ed.). Hershey, PA, USA: Information Science Reference.
- Rech, J., Feldmann, R. L., Ras, E., Jedlitschka, A., & Decker, B. (2008). Knowledge patterns and knowledge refactorings for increasing the quality of knowledge. In M. E. Jennex (Ed.), Knowledge management, organizational memory and transfer behavior: Global approaches and advancements (pp. 30).
- Rech, J., Decker, B., & Ras, E. (2008). Emerging technologies for semantic work environments: Techniques, methods, and applications. Hershey, New York, USA: Information Science Reference, IGI Global.
- Rech, J., Ras, E., & Decker, B. (2007). Riki: A system for knowledge transfer and reuse in software engineering projects. In M. Lytras & A. Naeve (Eds.), Open source for knowledge and learning management: Strategies beyond tools: Idea Group, Inc.
- Memmel, M., Ras, E., Jantke, J. K., & Yacci, M. (2006). Approaches to learning object oriented instructional design. In A. Koohang & K. Harman (Eds.), Principles and practices of the effective use of learning objects (pp. 281-326). Santa Rosa, California: Informing Science Press.
Proceedings and Edited Books
- Ras, E., Marenzi, I., Pereira Nunes, B. (2016) Proceedings of the 3rd Workshop on Technology Enhanced Learning and Feedback (TEFA 2016). 3rd Workshop on Technology Enhanced Learning and Feedback (TEFA 2016) co-located with the 11th European Conference on Technology Enhanced Learning: Adaptive and Adaptable Learning (EC-TEL 2016), Vol. 1850. CEUR, Lyon, France.
- Ras, E., & Joosten-ten Brinke, D. (2015). Proceedings of 2015 International Computer Assisted Assessment (CAA) Conference – Research into e-Assessment, Zeist, The Netherlands.
- Kalz, M., & Ras, E. (2014). Proceedings of 2014 International Computer Assisted Assessment (CAA) Conference – Research into e-Assessment, Zeist, The Netherlands.
- Ras, E., Al-Smadi, M., & Marenzi, I. (2013). Proceedings of 2nd Workshop on Technology Enhanced Formative Essessment (TEFA 2013). Paper presented at the Eight European Conference on Technology Enhanced Learning (EC-TEL) Paphos, Cyprus.
- Ras, E., Memmel, M., Lindstaedt, S., Ley, T., & Albert, D. (2008). Special track on intelligent assistance for self-directed and organizational learning (IWL-LOKMOL 2008), Graz, Austria.
- Schmidt, A., Attwell, G., Braun, S., Lindstaedt, S., Maier, R., & Ras, E. (2008). Proceedings of first international workshop on learning in enterprise 2.0 and beyond in conjunction with ectel 2008 (leb 08), Maastricht, The Netherlands.
- Memmel, M., Ras, E., Wolpers, M., & Van Assche, F. (2007). Proceedings of 3rd workshop on learner-oriented knowledge management & km-oriented e-learning (LOKMOL 2007), Crete, Greece.
- Memmel, M., Ras, E., Weibelzahl, S., & Burgos, D. l. (2006). Proceedings of the Joint International Workshop on Professional Learning, Competence Development and Knowledge Management – LOKMOL and L3NCD at the EC-TEL2006, Crete, Greece.
- Ras, E., Memmel, M., & Weibelzahl, S. (2005). Proceedings of first workshop on learner-oriented knowledge management & km-oriented e-learning (LOKMOL 2005) at the Professional Knowledge Management (WM2005), Kaiserslautern, Germany.
Thesis
- Ras, E. (2009). Learning spaces: Automatic context-aware enrichment of software engineering experience. PhD Thesis in Computer Science, University of Kaiserslautern, Germany.
- Ras, E. (2000). Reuse of know-how for software engineering training and education. Diploma Thesis, University of Kaiserslautern, Germany.