Workshop and Conference Papers

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. Höhn, S., Pfeiffer, A., & Ras, E. (2016). Challenges of error annotation in native non-native speaker chat. Paper presented at KONVENS 2016, Bochum,
    Germany.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. 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.
  13. 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.
  14. 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.
  15. 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.
  16. 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.
  17. Rangoni, Y., & Ras, E. (2014). Benchmarking binarisation techniques for 2d fiducial marker tracking. Paper presented at the ICPRAM 2014, France.
  18. 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
  19. 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.
  20. 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.
  21. 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.
  22. 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.
  23. 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.
  24. 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.
  25. 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.
  26. 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.
  27. 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.
  28. 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.
  29. 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.
  30. 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.
  31. 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.
  32. Lepmets, M., Ras, E., & Renault, A. (2011). Goal internalization in process improvement. Paper presented at the 18th EuroSPI Conference, Roskilde University, Denmark.
  33. 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.
  34. 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.
  35. 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.
  36. 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.
  37. 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.
  38. 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.
  39. 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.
  40. 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.
  41. 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.
  42. 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.
  43. 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.
  44. 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.
  45. Rech, J., & Ras, E. (2009). The future of learning software organizations: Semantics – collaboration – aggregation.
  46. 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.
  47. 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.
  48. 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.
  49. 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.
  50. 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.
  51. 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.
  52. 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.
  53. 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.
  54. 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.
  55. 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.
  56. 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/
  57. Ras, E., Becker, M., & Koch, J. (2007). Engineering tele-health solutions in the ambient assisted living lab. Paper presented at the SmarTel 2007, Canada.
  58. 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”
  59. 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
  60. 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
  61. 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
  62. 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
  63. 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
  64. http://www.mel.nist.gov/msid/conferences/SWESE/repository/11self-org_reuse_of_se.pdf
  65. 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
  66. 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
  67. 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
  68. 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
  69. 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
  70. 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
  71. 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
  72. 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

  1. 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
  2. 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.
  3. 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.
  4. 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
  5. 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.
  6. 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
  7. Ras, E., Al-Smadi, M., & Marenzi, I. (2014). Technology-based formative assessment (preface). Int. J. Technology Enhanced Learning, 6(4).
  8. 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).
  9. 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).
  10. 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.
  11. Lepmets, M., McBride, T., & Ras, E. (2012). Goal alignment in process improvement Journal of Systems and Software, 85(6), 1440-1452.
  12. Rech, J., & Ras, E. (2011). Aggregation of experiences in experience factories into software patterns. ACM SIGSOFT Software Engineering Notes (March 2011).
  13. 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.
  14. Decker, B., Ras, E., Rech, J., Jaubert, P., & Rieth, M. (2007). Wiki-based stakeholder participation in requirements engineering. IEEE Software, 24(2), 28-35.
  15. 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.
  16. 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.
  17. Rech, J., & Ras, E. (2007). Systematische Aggregation von Erfahrungen im Erfahrungsmanagement. Künstliche Intelligenz, 21(4), 16-22.
  18. Rech, J., Ras, E., & Decker, B. (2007). Intelligent assistance in german software development: A survey. IEEE Software, 24(4), 72-79.
  19. 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
  20. 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.
  21. Ras, E. (2003). Life long learning. Modulare Wissensbasen für elektronische Lernumgebungen. [Book resension]. KI – Künstliche Intelligenz, 3(17), 59.

 

Book sections

  1. 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.
  2. 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.
  3. 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).
  4. 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.
  5. 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.
  6. 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

  1. 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.
  2. Ras, E., & Joosten-ten Brinke, D. (2015). Proceedings of 2015 International Computer Assisted Assessment (CAA) Conference – Research into e-Assessment, Zeist, The Netherlands.
  3. Kalz, M., & Ras, E. (2014). Proceedings of 2014 International Computer Assisted Assessment (CAA) Conference – Research into e-Assessment, Zeist, The Netherlands.
  4. 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.
  5. 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.
  6. 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.
  7. 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.
  8. 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.
  9. 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

  1. Ras, E. (2009). Learning spaces: Automatic context-aware enrichment of software engineering experience.  PhD Thesis in Computer Science, University of Kaiserslautern, Germany.
  2. Ras, E. (2000). Reuse of know-how for software engineering training and education.  Diploma Thesis, University of Kaiserslautern, Germany.