Enric Plaza (2009), On reusing other people’s experiences. Künstliche Intelligenz, 21, p. 18-23. [PDF]

Santiago Ontañón and Enric Plaza (2009), On Similarity Measures based on a Refinement Lattice. Proc. 8th International Conference on Case-Based Reasoning, Lecture Notes in Computer Science, Vol. 5650, p. 240-255, Springer Verlag (DOI). [PDF]

Enric Plaza (2009), Ultrapassant Babel: Mediació social i sistemes intel·ligents en el descobriment,  filtratge, acreditació i personalització de continguts digitals. Quaders del CAC, Vol. 31-32, p. 13-16. [PDF]

Enric Plaza and Claudio Baccigalupo (2009) Principle and Praxis in the Experience Web: A Case Study in Social Music. Proc. of the ICCBR-09 Workshop WebCBR-09: Reasoning from Experiences on the Web. [PDF]

Santiago Ontañón and Enric Plaza (2009), Argumentation-based Information Exchange in Prediction Markets. In Iyad Rahwan and Pavlos Moraitis (Eds), Argumentation in Multi-Agent Systems, Lecture Notes in Computer Science, Vol. 5384, p. 181-196. Springer Verlag. [PDF]

Santiago Ontañón and Enric Plaza (2009) Argumentation-based Distributed Induction,  CAEPIA 2009 Workshop on Agreement Technologies, p. 154-168, Seville, November 9th, 2009. [PDF].

Claudio Baccigalupo and Enric Plaza (2007), A Case-Based Song Scheduler for Group Customised Radio. Proc. ICCBR 2007, Lecture Notes in Computer Science Vol. 4626, p. 433-448.  Springer Verlag.  [Preprint PDF] (Best ICCBR-07 Application Paper Award). DOI 10.1007/978-3-540-74141-1

Santiago Ontañón and Enric Plaza (2007), An Argumentation based Approach to Multi-Agent Learning, Proc. FLAIRS-07, p. 405-410. [Preprint PDF]

Claudio Baccigalupo and Enric Plaza (2007), Sharing And Combining Listening Experience: A Social Approach to Web Radio. International Computer Music Conference ICMC-07, p. 228-231.   [Preprint PDF] 

Claudio Baccigalupo and Enric Plaza (2007),  Mining Music Social Networks for Automating Social Music Services. Proc. ECML/KDD-07 Workshops Prior Conceptual Knowledge in Machine Learning and Data Mining and Web Mining 2.0, p. 123-134.  [Preprint PDF]

Claudio Baccigalupo and Enric Plaza (2007), Poolcasting: a Social Web Radio Architecture for Group Customisation. Proc. 3rd Int. Conf. on Automated Production of Cross Media Content for Multi-Channel Distribution AXMEDIS-07, p. 115-122. IEEE Computer Society.  [Preprint PDF]

Mario Gómez and Enric Plaza (2007), The ORCAS e-Institution: a Platform to Develop Open, Reusable and Configurable Multi-Agent Systems, International Journal of Intelligent Control and Systems, 12(2), p. 130-141. [Preprint PDF] [Final PDF]

Santiago Ontañón and Enric Plaza (2007), Learning and Joint Deliberation through Argumentation in Multi-Agent Systems, Proc. AAMAS-2007, p. 971-978. [Preprint PDF]

Santiago Ontañón and Enric Plaza (2007), Case-based Learning from Proactive Communication, Proc. IJCAI-2007, p. 999-1004. [Preprint PDF]

Santiago Ontañón and Enric Plaza (2007), Arguments and Counterexamples in Case-based Joint Deliberation. In N. Maudet and S. Parsons and I. Rahwan (Editors), Argumentation in Multi-Agent Systems, Lecture Notes in Artificial Intelligence Vol. 4766, p. 36-53, Springer Verlag. [PDF]

Enric Plaza and Santiago Ontañón (2006). Learning collaboration strategies for committees of learning agents.  Journal of  Autonomous Agents and Multi-Agent Systems, Vol. 13, N. 3, pp. 429-461. [PDF]

Ralph Bergmann, Janet Kolodner and Enric Plaza (2006), Representation in Case-based Reasoning, Knowledge Engineering Review Vol. 20, p. 209-213. [Preprint PDF]

Enric Plaza and Lorraine McGinty (2006), Distributed Case-based Reasoning, Knowledge Engineering Review, Vol. 20, p. 261-265. [Preprint PDF]

Eva Armengol and Enric Plaza (2006), Symbolic Explanation of Similarities in Case-based Reasoning, Computing and Informatics Vol. 25, p. 1001-1019 [Preprint PDF]

Claudio Baccigalupo and Enric Plaza (2006), Case-based Sequential Ordering of Songs for Playlist Recommendation. In Proceedings ECCBR-2006, Lecture Notes in Artificial Intelligence 4106, p. 286–300, Springer Verlag. [PDF]

Eva Armengol and Enric Plaza (2005), An Ontological Approach to Represent Molecular Structure Information. In J. L. Oliveira, V. Maojo, F. Martin-Sanchez, A. Sousa Pereira (Eds.) 6th International Symposium Biological and Medical Data Analysis ISBMDA 2005, Lecture Notes in Computer Science 3745 p. 294-304. [Preprint PDF]

Santiago Ontañón and Enric Plaza (2005), Recycling Data for Multi-Agent Learning. In Luc de Raed and Stefan Wrobel (Eds.) Proceedings 22nd International Conference on Machine Learning ICML-2005, Pages 633-640. ACM Press [PDF].

Enric Plaza (2005), Cooperative Reuse for Compositional Cases in Multi-Agent Systems. Lecture Notes in Artificial Intelligence, Vol. 3620, 382-396. [Preprint RR-IIIA-2005-01].

Enric Plaza, Eva Armengol and Santiago Ontañón (2005), The Explanatory Power of Symbolic Similarity in Case-based Reasoning. Artificial Intelligence Review, Vol 24, N. 2, pp. 145 - 161. [PDF]

Mario Gómez and Enric Plaza (2005), Integrating Knowledge Modeling and Multi-Agent Systems. Proc. AAAI Fall Symposium on Agents and the Semantic Web, p. 25-29, ISBN 978-1-57735-247-1, FS-05-01. AAAI Press. [PDF]

Eva Armengol and Enric Plaza (2005), Using Symbolic Similarity to Explain CBR in Classification Tasks. Proc. AAAI Fall Symposium on Explanation-Aware Computing, p. 1-9, ISBN 978-1-57735-250-1, FS-05-04. AAAI Press. [PDF]

Eva Armengol and Enric Plaza (2005), Using Symbolic Descriptions to Explain Similarity on CBR. In B. López and J. Meléndez (Eds.) Artificial Intelligence Research and Applications, Frontiers in Artificial Intelligence and Applications Vol. 131, p. 239-246. IOS Press. [PDF]

Eva Armengol and Enric Plaza (2005), Lazy Learning for Predictive Toxicology Based on a Chemical Ontology. In W. Dubitzky and F. Azuaje (Eds.) Artificial Intelligence Methods and Tools for Systems Biology, Computational Biology, Vol. 5 , pp. 1-18. Spinger Verlag. [PDF]

Santiago Ontañón and Enric Plaza (2003), Justification-based Multiagent Learning, Proc. International Conference on Machine Learning ICML-2003, Morgan Kaufmann. [PDF]

Eva Armengol and Enric Plaza (2003), Remembering Similitude Terms in Case-based Reasoning. 3rd Int. Conf. on Machine Learning and Data Mining MLDM-03, Lecture Notes on Artificial Intelligence 2734, p. 121-130. Springer Verlag. [PDF Preprint]

Enric Plaza and Santiago Ontañón (2003), Cooperative Multiagent Learning. In Alonso, E., D. Kazakov, D. Kudenko (Eds.) Adaptive Agents and Multi-Agent Systems, Lecture Notes on Artificial Intelligence 2636, p. 1-17. Springer Verlag. [PDF]

Eva Armengol and Enric Plaza (2003), Relational Case-based Reasoning for Carcinogenic Activity Prediction. Artificial Intelligence Review 20, Special Issue on Life Sciences, p. 121-141. [PDF Preprint]

Santiago Ontañón and Enric Plaza (2003), Learning to Form Dynamic Committees. In Proc. Int. Conf. Autonomous Agents and Multiagent Systems AAMAS'03, p. 504-511. ACM Press. [PDF Preprint]

Eva Armengol and Enric Plaza (2003), Discovery of Toxicological Patterns with Lazy Learning. In V. Palada, R.J. Howlett, L. Jain (Eds.) Knowledge-based Intelligent Information and Engineering Systems, Lecture Notes on Artificial Intelligence 2774 Vol. II, , p. 919-926. Springer Verlag.

Santiago Ontañón and Enric Plaza (2003), Collaborative Case Retention Strategies for CBR Agents. In D. Bridge and K. Ashley (Eds.) Advances in Case-Based Reasoning. Proc. ICCBR 2003, Lecture Notes on Artificial Intelligence 2689, p. 392-406. [PDF]

Mario Gómez and Enric Plaza (2003), Describing and configuring multi-agent systems at the knowledge level. In I. Aguiló et al. (Eds.), Artificial Intelligence Research and Development, Frontiers in Artificial Intelligence and Applications, Vol. 100, p. 221-232. IOS Press.

Francisco J. Martín and Enric Plaza (2003), Alba: A cognitive assistant for network administration. In I. Aguiló et al. (Eds.), Artificial Intelligence Research and Development, Frontiers in Artificial Intelligence and Applications, Vol. 100, p. 341-352. IOS Press. [PDF]

Enric Plaza (2003), Technologies for political representation and accountability. In J. Padget, R. Neira, J. L. Diaz de Leon (Eds.), EU-LAT Workshop on e-Government and e-Deomocracy, p. 99-107. ISBN 970-36-0152-9. Research on Computing Science, Vol. 8, Instituto Politecnico Nacional, Mexico. [PDF]

Enric Plaza and Josep-Lluis Arcos (2002), Constructive adaptation. In S. Craw and A. Preece (Eds.), Advances in Case-Based Reasoning. Proc. 6th ECCBR 2002, Lecture Notes on Artificial Intelligence 2416, p. 306-320. [Available online]

Santiago Ontañón and Enric Plaza (2002), Collaboration Strategies to Improve Multiagent Learning. In Machine Learning ECML'02 (to appear in Lecture Notes on Artificial Intelligence, Springer Verlag) [Available online]

M. Gómez, E. Plaza, C. Abasolo (2002), Problem solving methods and cooperative information agents. International Journal of Cooperative Information Systems, Vol. 11(3) p. 329-354. [Preprint PDF]

Santiago Ontañón and Enric Plaza (2002), A Bartering Approach to Improve Multiagent Learning. In Int. Conf. Autonomous Agents and Multiagent Systems AAMAS'02, p. 386-393. [PDF file]

C. Abásolo, E. Plaza, J. L. Arcos (2002), Components for Case-based Reasoning Systems, In Topics in Artificial Intelligence, Lecture Notes in Artificial Intelligence, Vol. 2504, p. 1-12. DOI 10.1007/3-540-36079-4. [Preprint PDF]

Santiago Ontañón and Enric Plaza (2002), Cooperative Case Bartering for Case-Based Reasoning Agents. In Topics in Artificial Intelligence, Lecture Notes in Artificial Intelligence 2504, p. 291-305. DOI 10.1007/3-540-36079-4. [Preprint PDF]

Eva Armengol and Enric Plaza (2002), Similarity of structured cases in CBR. In Proceedings of the 5th Catalan Conference on Artificial Intelligence (CCIA'2002), p. 153-160. Castelló, 24-25 October, 2002. [Preprint PDF]

Santiago Ontañón and Enric Plaza (2002), Cooperative Case Bartering for Case-Based Reasoning Agents. In 2002 AAAI Spring Symposium Series, p.77-83. AAAI Press. [PDF file]

Santiago Ontañón and Enric Plaza (2001), Learning When to Collaborate among Learning Agents. In L. De Raedt, P. Flach (Eds.) Machine Learning: EMCL 2001. Lecture Notes in Artificial Intelligence 2167, p. 394-405. Springer-Verlag. [PDF file]

Eva Armengol and Enric Plaza (2001), Lazy Induction of Descriptions for Relational Case-Based Learning. In L. De Raedt, P. Flach (Eds.) Machine Learning: EMCL 2001, Lecture Notes in Artificial Intelligence 2167, p. 13-24. Springer-Verlag. [PDF file]

Enric Plaza and Santiago Ontañón (2001), Ensemble Case-based Reasoning: Collaboration Policies for Multiagent Cooperative CBR. In Case-Based Reasoning Research and Development: ICCBR 2001. Lecture Notes in Artificial Intelligence 2080, p. 437-451. Springer-Verlag. [PDF file]

Eva Armengol and Enric Plaza (2001), Similarity Assessment for Relational CBR. In Case-Based Reasoning Research and Development: ICCBR 2001. Lecture Notes in Artificial Intelligence 2080, p. 44-58. Springer-Verlag. [Preprint PDF]

Enric Plaza, Josep.-Lluís Arcos (2001), Context-aware personal information agents. In Cooperative Information Agents V. Lecture Notes in Artificial Intelligence 2128, p. 44-55. Springer-Verlag. [PDF file]

M. Gómez, C. Abasolo, E. Plaza (2001), Domain-independent ontologies for cooperative information agents. In Cooperative Information Agents V. Lecture Notes in Artificial Intelligence 2128, p. 118-129. Springer-Verlag. [PDF file]

Santiago Ontañón and Enric Plaza (2001), Collaboration Policies for Case-based Reasoning Agents. In Proc. Workshop on Learning Agents - Autonomous Agents Conference 2001. [PDF file]

J. L. Arcos, E. Plaza (2001). Exploiting Context Awareness in Information Agents, Proc. 5th International Conference on Autonomous Agents, pp. 116-117.

Eva Armengol, Albert Palaudàries, Enric Plaza (2001), Individual Prognosis of Diabetes Long-Term Risks: A CBR Approach. Methods of Information in Medicine Journal, Vol. 40, p. 46-51. [Extended version IIIA-RR-2000]

Eva Armengol and Enric Plaza (2000), Bottom-up Induction of Feature Terms, Machine Learning Journal, Vol. 41(3), pp. 259-294. (Previous draft available online [compressed PS])

F. J. Martín, E. Plaza, J. A. Rodríguez-Aguilar (1999), Conversation Protocols: Modeling and Implementing Conversations in Agent-Based Systems. In F. Dignuma and M. Greaves (Eds.) Issues in Agent Communication. Lecture Notes in Computer Science 1916, p. 249-263. [PDF Preprint]

F. J. Martín, E. Plaza, J. A. Rodríguez-Aguilar. An Infraestructure for Agent-Based Systems: an Interagent Approach. International Journal of Intelligent Systems, V. 15, N. 3, p. 217-240. (Available online [compressed PS])

E. Plaza, J.-L. Arcos (2000), Towards a Software Architecture for Case-based Reasoning Systems, Foundations of Intelligent Systems, 12th International Symposium, ISMIS 2000. Ras, Z. W. and Ohsuga, S., (Eds.), Lecture Notes in Computer Science 1932, p. 601-609. (Previous draft available online)

F. J. Martín, E. Plaza (1999); Auction-based Retrieval Proceedings of the "2n Congrés Català d'Intel·ligència Artificial", Girona, Catalonia (Spain), October 25-27, pp. 136-145. (Available online [compressed PS])

F. J. Martín, E.Plaza, J. A. Rodríguez-Aguilar (1999). Composing Multi-Agent Systems with Interagents. Computación y Sistemas, Informática Distribuida. Vol. II, No 4. Abril-Junio. pp 183-190.

F. J. Martín, E. Plaza, J.-L. Arcos. (1999). Knowledge and experience reuse through communications among competent (peer) agents. International Journal of Software Engineering and Knowledge Engineering,Vol. 9, No. 3, 319-341. (Available online [compressed PDF])

F. J. Martín, E. Plaza, J. A. Rodríguez-Aguilar (1999); Composing Multi-Agent Systems with Interagents. Proceedings of the Simposio Español de Informática Distribuida (SEID'99), Santiago de Compostela, Spain, February 24-26, pp. 39-47.

E. Plaza, J. L. Arcos, P. Noriega, C. Sierra (1998). Competing Agents in Agent-Mediated Institutions. Journal of Personal Technologies, No. 2, pp. 212-220. [PDF]

J. L. Arcos, E. Plaza (1998); Instituting Interactions Among Agents. Workshop of the Interaction Agents, AAAI Press, 24 May, L'Aquila, Italia, pp. 8-14.

F. J. Martín, E. Plaza, J. A. Rodriguez-Aguilar, J. Sabater (1998.); Java Interagents for Multi-Agent Systems. Workshop on Software Tools for Developing Agents (AAAI-98), Madison, Winsconsin, USA, July 26-30.

J. L. Arcos, E. Plaza (1998); Instituting Interactions Among Agents. Proceedings of the "Primer Congrés Català d'Intel·ligència Artificial (CCIA'98),Tarragona, Spain, October 21-23, pp.154-162.

F. J. Martin, Enric Plaza, J.A. Rodríguez-guilar, J. Sabater (1998); JIM. A Java Interagent for Multi-Agent Systems. In the Proceedings of the "Primer Congrés Català d'Intel·ligència Artificial, Tarragona, Spain, October 21-23, pp.163-171.

E. Plaza, F. Esteva, P. García, L. Godo, R. López de Mántaras (1998); A Logical Approach to Case-Based Reasoning Using Fuzzy Similarity Relations. International Journal of Information Sciences. Vol. 106, pp. 105-122.  [PDF]

Enric Plaza, Pablo Noriega, Carles Sierra (1998); The Conference Center as an Agent-Mediated Institution. Proceedings of the 1st International Workshop on Agents in Community Ware (ACW'98). La Villette, Paris, France, July 6, 1998, pp. 73-82.

V. Richard Benjamins, E. Plaza, E. Motta, D. Fensel, R.Studer, B.Wielinga, G. Schreiber, Z. Zdrahal. - IBROW3 - An Intelligent Brokering Service for Knowledge-Component Reuse on the World Wide Web. In the proceedings of the Eleventh Workshop on Knowledge Acquisition (KAW'98), Modeling and Management, Banff, Canada, April, 18-23.

E. Plaza and V. R. Benjamins (Eds.) (1997); Knowledge Acquisition, Modelling and Management, 10th European Workshop, EKAW´97. Lecture Notes in Artificial Intelligence. Springer-Verlag. Vol. 1319.

J.L. Arcos, E. Plaza (1997); Noos: an integrated framework for problem solving and learning. Proceedings of the KEML'97. 7th Workshop on Knowledge Engineering: Methods and Languages. England. (IIIA-RR-97-02), [Gziped PDF File], [Gziped PostScript File]

B. López, E. Plaza (1997); Case-based learning of plans and goal states in medical diagnosis. Artificial Intelligence in Medicine. Elsevier, Vol. 9, pp. 29-60. (IIIA-RR-95-18) [Compressed PostScript File]

E. Plaza, J.L. Arcos, F. Martín (1997); Cooperative Case-Based Reasoning. Lecture Notes in Artificial Intelligence. Springer, Vol. 1221, pp.180-201. (IIIA-RR-97-01), [Gziped PDF File], [Gziped PostScript File]

E. Armengol, E. Plaza (1997); Induction of Feature Terms with INDIE. Lecture Notes in Artificial Intelligence. Springer, Vol. 1224, pp. 33-48.

R. López de Mántaras, E. Plaza (1997); Case-Based Reasonig : An Overview. AI Communications, IOS Press. Vol. 10 : 1, pp. 21-29 (IIIA-RR-96-12),[PostScript File]

E. Plaza, J.L. Arcos, F. Martín (1996); Cooperation Modes among Case-Based Reasoning Agents. Proceedings of the ECAI'96 Workshop on Learning in Distributed AI Systems. Budapest, pp. 90-99. (IIIA-RR-96-10), [Compressed PostScript File], [Compressed PDF]

J. L. Arcos, E. Plaza (1996); Inference and reflection in the object-centered representation language Noos. Future Generation Computer Systems Journal. Elsevier. Special double issue on Reflection and Meta-level AI Architectures . Vol. 12 (2 & 3), pp. 173-188. (IIIA-RR-96-04) [PostScript File]

E. Plaza, R. López de Mántaras, E. Armengol (1996); On the Importance of Similitude: An Entropy-based Assessment. Lecture Notes in Artificial Intelligence Springer, num. 1168, pp. 324-338. (IIIA-RR-96-14), [Gziped PDF File], [Gziped PostScript File]

M.V. Nagendra Prased, E. Plaza (1996); Corporate Memories as Distributed Case Libraries. Proceedings of the 10th Banff Knowledge Acquisition for Knowledge-based Systems Workshop. Banff, Canadá. Vol 2, pp. 40: 1-19. (IIIA-RR-96-24), [Gziped PostScript File], [Gziped PDF File]

E. Armengol, E. Plaza (1995); Explanation-based Learning: A Knowledge Level Analysis. AI Review. Kluwer Academic, Vol. 9, pp. 19-35. (IIIA-RR-95-02)

J. L. Arcos, E. Plaza (1995); Reflection in Noos: An object-centered representation language for knowledge modelling. IJCAI'95 Workshop: On Reflection and Meta-Level Architecture and their Applications in AI. Montreal, pp. 1-10. (IIIA-RR-95-08) [Compressed PostScript File]

E. Plaza (1995); Cases as terms: A feature term approach to the structured representation of cases. Lecture Notes in Artficial Intelligence. Springer. num. 1010, pp. 265-276. (IIIA-RR-95-07) [Compressed PostScript File]

E. Plaza (1995); Aprender con Inteligencia Artificial. Arbor. CSIC. num. 595, pp. 119-154.

E. Armengol, E. Plaza (1995); Integrating induction in a Case-based Reasoner. Lecture Notes in Artificial Intelligence. Springer. num. 984, pp. 3-17. (Extended version IIIA-RR-95-02)

A. Aamodt, E. Plaza (1994); Case-Based Reasoning: Foundational Issues, Methodological Variations, and System Approaches. AI Communications, Vol. 7: 1, pp. 39-59, IOS Press. [PDF] [HTML]

P. Meseguer, E. Plaza (1994); The VALID Project: Goals, Development, and Results. International Journal of Intelligent Systems. John Wiley & Sons, Vol. 9: 9, pp. 867-892.

E. Plaza, J.L. Arcos (1994); Flexible Integration of Multiple Learning Methods into a Problem-Solving Architecture. Lecture Notes in Artificial Intelligence.Springer, 784, pp.403-406.

E. Armengol, E, Plaza (1994); A Knowledge Level Model of Knowledge -Based Reasoning. Lecture Notes in Artificial Intelligence. Springer, 837, pp.53-64.

J.L. Arcos, E. Plaza (1994); A Reflective Architecture for Integrated Memory-Based Learning and Reasoning. Lecture Notes in Artificial Intelligence. Springer, 837, pp.289-300.

J.L. Arcos, E. Plaza (1994); Integration of learning into a knowledge modeling framework. Lecture Notes in Artificial Intelligence. Springer, 867, pp.355-373.

E. Armengol, E. Plaza (1994); Integrating induction in a case-based reasoner. EWCBR-94: Second European Workshop on Case-Based Reasoning. Chantilly, pp. 243-251.

E. Plaza, A Aamodt, A. Ram, W. van de Velde, M. van Someren (1993); Integrated Learning Architectures. Lecture Notes in Artificial Intelligence. Springer, 667, pp. 429-441.

E. Plaza, J.L. Arcos (1993); Using Reflection Principles in the Integration of Learning and Problem Solving. (E. Plaza, Ed.) Proceedings of the ECML-93 Workshop on Integrated Learning Architectures, ILA-93. Vienna.

E. Plaza (1993); KBS Validation: from tools to methodology. Invited editor of the "Special Track" on Validation of the Knowledge-based Systems. IEEE Expert Intelligent Systems & their applications. IEEE Computer Scociety, Vol. 8: 3, pp. 45-47.

B. López, E. Plaza (1993); Case-based planning for medical diagnosis Lecture Notes in Artificial Intelligence. Springer, 689, pp. 96-105.

E. Plaza, J.L. Arcos (1993); Reflection and Analogy in Memory-based Learning. (R.S. Michalski, G. Tecuci, Eds.) MSL-93 Second International Workshop on Multistrategy Learning. George Mason Univ., Harpers Ferry, pp. 42-49.

E. Plaza, J.L. Arcos (1993); A Reflective Architecture for Integrated Memory-based Learning and Reasoning. EWCBR-93: First European Workshop on Case-Based Reasoning University of Kaiserslautern, pp. 329-334.

E. Armengol, E. Plaza (1993); Case-based Reasoning at the Knowledge Level: An Analysis of CHEF. EWCBR-93: First European Workshop on Case-Based Reasoning. University of Kaiserslautern, pp. 290-295

E. Plaza (1992); Reflection for Analogy. (A. Yonezawa and B.C. Smith, Eds.) IMSA-92: Reflection and Meta-Level Architectures. Proceedings of International Workshop on New Models for Software Architecture. Tokyo, pp. 166-171.

E. Plaza (1992); Aprendizaje basado en casos y razonamiento aproximado en A.R.C. Nuevas tendencias en Inteligencia Artificial. Universidad de Deusto, pp. 225-236.

E. Plaza (1992); Tendencias en inteligencia artificial: Hacia la cuarta década. Nuevas tendencias en Inteligencia Artificial. Universidad de Deusto, pp. 379-415.

P. Meseguer, E. Plaza (1992); An overview on the VALID project. (F. Vogt, Ed.) Personal Computers and Intelligent Systems. Elsevier, Vol. III, pp. 238-244.

P. Meseguer, E. Plaza (1992); Validation of KBS: The VALID Project. (L. Steels and B. Le Pape, Eds.) Enhancing the Knowledge Engineering Process. Elsevier, pp. 55-78.

B. López, E. Plaza (1991); Case-based Learning on Strategic Knowledge. Lecture Notes in Artificial Intelligence. Springer, 482, pp. 398-411.

T.R. Addis, Y. Kodratoff, R. López de Mántaras, K. Morik, E. Plaza (1991); Four Stances in Knowledge Acquisition and Machine Learning. Lecture Notes in Artificial Intelligence. Springer, 482, pp. 514-533.

R. López de Mántaras, J. Agustí, E. Plaza, C. Sierra (1991); MILORD: A Fuzzy Expert Systems Shell. (A. Kandel, Ed.) Fuzzy Expert Systems. CRC Press, pp. 213-224.

P. Jenkins, E. Plaza (1991); Co-Chairmen's introduction. Proceedings of EUROVAV-91: European Workshop on the Verification of Knowledge Based Systems. Logica Cambridge, pp. vi-x.

C. Sierra, J. Agustí, E. Plaza (1991); Verification by construction in MILORD. Proceedings of EUROVAV'91: European Workshop on Validation and Verification of Knowledge Based Systems. Logica Cambridge, pp. 211-226.

R. López de Mántaras, U. Cortés, J. Manero, E. Plaza (1990); Knowledge Engineering for a Document Retrieval System. Fuzzy Sets and Systems Special Issue in Fuzzy Information and Database Systems.. Elsevier, Vol. 38: 2, pp. 223-240.

B. López, P. Meseguer, E. Plaza (1990); Knowledge -Based Systems Validation: A State of the Art. AI Communications. IOS Press, Vol. 3: 2, pp. 58-72.

P. Meseguer, E. Plaza (1990); Inconsistency Detection for Rule-Based Systems: A Divide and Conquer Approach. ESPRIT-90 Conference, pp. 80-89.

E. Plaza, R. López de Mántaras (1990); A Case-Based Apprentice that Learns from Fuzzy Examples. (Z. Ras et al., Eds.) Methodologies for Intelligent Systems-5 North-Holland, pp. 420-427.

E. Plaza, R. López de Mántaras (1989); EAR: A System for Acquiring and Strucutring Knowledge. (Y. Kodratoff & A. Hutchinson, Eds.) Machine and Human Learning. Kogan Page, pp. 279-290.

E. Plaza, R. López de Mántaras (1989); Model-based Knowledge Acquisition for Heuristic Classification Systems. ACM-SIGART Special Issue in knowledge Acquisition. ACM, 108, pp. 98-105.

B. López, E. Plaza (1989); Aprendizaje de conocimientos de control para Sistemas Expertos. AEPIA'89: Actas III Reunión Técnica de la Asociación Española para la Inteligencia Artificial. AEPIA, Madrid, pp. 335-345.

E. Plaza, R. López de Mántaras (1988); Model-based Knowledge Acquisition for Heuristic Classification Systems. ECAI'88: European Conference on Artificial Intelligence. Pitman, pp. 61-66.

E. Plaza, R. López de Mántaras (1988); Learning Typically Knowledge from Fuzzy Examples. Workshop on Knowledge Based Systems and Models of Logical Reasoning. El Cairo, Vol. III.

E Plaza, R López de Mántaras,(1988) Knowledge acquisition and refinement using a fuzzy conceptual base. Heuristics. Vol. 1: 2. pp. 19-20.

U. Cortés, J. Millán, E. Plaza (1987); Inteligencia Artificial: Sistemas Basados en Conocimientos. Edunsa Eds., Barcelona.

E. Plaza, C. Alzina, R. López de Mántaras, J. Agustí, J. Aguilar (1987); Consensus and Knowledge Acquisition. Lecture Notes in Computer Science. Springer, 286, pp. 294-306.

R. López de Mántaras, U. Cortés, E. Plaza, C. Sierra (1986); MILORD: An expert Systems building tool with approximate reasoning. Fuzzy Logics in Knowledge Engineering, Verlag TUV Rheinhold, pp. 182-193.

R. López de Mántaras, J. Agustí, U. Cortés, E. Plaza (1986); Fuzzy Knowledge Engineering Techniques in Scientific Document Classification. ACM SIGART Int. Symp. on Methodologies for Intelligent Systems. ACM SIGART Press. Knoxville, pp. 94-102.

U. Cortés, R. López de Mántaras, J. Manero. E. Plaza, X. Salrà (1986) Fuzzy retrieval system for document databases: an implentation. IPMU 86: International Conference on Information Processing and Management of Uncertainty in Knowledge Based Systems. Paris, pp.155.

E. Plaza, C. Alzina, R. López de Mántaras, J. Agustí, J. Aguilar (1986); Consensus and Knowledge Acquisition. IPMU 86: International Conference on Information Processing and Management of Uncertainty in Knowledge Based Systems. Paris, pp. 214-217.

R. López de Mántaras, E. Plaza, J. Agustí (1986); Knowledge Elicitation and Analysis for Approximate Resasoning Systems. II International Conference on Artificial Intelligence, Marsella, pp. 91-108. Also in: Advances in Artificial Intelligence. Kogan Page Ltd., pp. 35-52.

R. López de Mántaras, U. Cortés,J. Manero, E. Plaza, X. Salrá, J. Agustí, (1986); Knowledge Elicitation using personal constructs application to Document Classification. ECAI'86: Proceedings of the 7th European Conference on Artificial Intelligence. Brighton, Vol. II, pp. 128-133.

E. Plaza, R. López de Mántaras (1985); Knowledge Adquisition and Refinement using a Fuzzy Conceptual Base. NAFIPS Workshop on Fuzzy Expert Systems and Decision Support. Atlanta.

Francisco J. Martín and Enric Plaza (2004), Ceaseless Case-Based Reasoning. In P.A. Gonzalez and P. Funk (Eds.) Advances in Case-Based Reasoning. Proceedings of the 7th European Conference on Case Based Reasoning (ECCBR 2004). Lecture Notes in Artificial Intelligence Vol. 3155, p. 287-301. Springer-Verlag. [PDF]

Santiago Ontañón and Enric Plaza (2004), Justification-based Case Retention. In P.A. Gonzalez and P. Funk (Eds.) Advances in Case-Based Reasoning. Proceedings of the 7th European Conference on Case Based Reasoning (ECCBR 2004). Lecture Notes in Artificial Intelligence Vol. 3155, p. 346-360. Springer-Verlag. [PDF]

Santiago Ontañón and Enric Plaza (2004), Justification-based Selection of Training Examples for Case Base Reduction. In J.F. Boulicaut, F. Esposito, F. Giannotti and D. Pedresh (Eds.) Machine Learning: ECML-2004. Proceedings of the 15th European Conference on Machine Learning (ECML 2004). Lecture Notes in Artificial Intelligence Vol. 3201, p. 310-321. Springer-Verlag. [PDF]

Mario Gómez and Enric Plaza (2004), Extending matchmaking to maximize capability reuse. Proc. Third International Joint Conference in Autonomous Agents and Multiagent Systems, p. 144-152. ACM Press. [PDF]

Enric Plaza (2004), The Computational Interplay of Physical Space and Information Space. In D.N. Snowdon, E.F. Churchill, and E. Frecon (Eds.) Inhabited Information Spaces, Chapter 7, p. 101-111. CSCW Series, Springer Verlag. [PDF]

Eva Armengol and Enric Plaza (2004), Explaining similarity in CBR. In Pádraig Cunningham and David McSherry (Eds.) ECCBR-04 Workshop on Explanation in CBR, p. 87-96. TR-142-04 DSIP Universidad Complutense de Madrid. [PDF]

Eva Armengol and Enric Plaza(2004), Multiple-instance case-based learning for predictive toxicology. In J.A. López, E. Benfenati, and W. Dubitzky, editors, Knowledge Exploration in Life Science Informatics, volume 3303 of Lecture Notes on Computer Science, pages 206–220. Springer Verlag. [PDF]