All downloadable papers are in PDF format

Journal Papers

2. B.Lithgow Smith, V. Tamma, M. Wooldridge: An Ontology for Coordination. Applied Artificial Intelligence, 25 (3), 235-265, 2011.
   

I. Blacoe, V. Tamma, M. Wooldridge: Evaluation of Scalable Multi-Agent System Architectures for searching the Semantic Web. IJMSO, 5(2): 99-119, 2010.

V.Tamma and T. R. Payne: Is a Semantic Web Agent a Knowledge-Savvy Agent? IEEE Intelligent Systems, 23(4), July/August 2008.

S. Paurobally, V. Tamma, M. Wooldridge: A Framework for Web service negotiation. ACM Transactions on Autonomous and Adaptive Systems (TAAS), 2(4), 2007.

T. R. Payne and V. Tamma, Towards semantic web agents: Knowledge Web and AgentLink. The Knowledge Engineering Review, 20 (2). pp. 191-196, 2005.

V. Tamma, S. Phelps, I. Dickinson, and M. Wooldridge. Ontologies for supporting negotiation in e-commerce. Engineering applications of artificial intelligence, 18(2):223-236, 2005

S. Phelps, V. Tamma, M. Wooldridge, and I. Dickinson. Toward Open Negotiation. In IEEE Internet Computing, 8(2):70-75, 2004

V. Tamma, and T.J.M. Bench-Capon, 2002: An ontology model to facilitate knowledge sharing in multi-agent systems. In Knowledge Engineering Review, 17(1), 41-60.

Z. Cui, V. Tamma and F. Bellifemine, 1999: Ontology Management in Virtual Enterprises. BT Technology Journal, Vol. 17, No. 4, pp. 98-107.

F. Esposito, D. Malerba, G. Semeraro, and V. Tamma, 1999: The Effects of Pruning Methods on Predictive Accuracy of Induced Decision Trees: A New Experimentation with Cross-Validation. Applied Stochastic Models in Business and Industry (formerly Applied Stochastic Models and Data Analisys), Vol. 15, No. 4, pp. 277-299

Book Chapters and Edited Books

C. Trojahn, J. Euzenat, V. Tamma, T.R. Payne: Argumentation for reconciling agent ontologies. In Semantic Agent Systems, 89-111, 2011.

P. Doran, V. Tamma, T.R. Payne, I. Palmisano: Using Ontology Modularization for Efficient Negotiation over Ontology Correspondences in MAS. In Argumentation in Multi-Agent Systems, 236-255, 2010.

C. Trojahn, J. Euzenat, V. Tamma, T.R. Payne: Argumentation for Reconciling Agent Ontologies. In Semantic Agent Systems, 88-111, 2011.

V. Tamma, S. Cranefield, T. Finin, S. Willmott (Eds). Ontologies for Agents: Theory and Experiences. Birkauser-Springer

F. Esposito, D. Malerba, V. Tamma, and H. Bock, 2000: Classical Similarity and Dissimilarity Measures (Section 8.1), In Bock, H. H. & Diday, E. (Eds.): Analysis of Symbolic Data. Exploratory methods for extracting statistical information from complex data, Series: Studies in Classification, Data Analysis, and Knowledge Organisation, Vol. 15, Springer-Verlag: Berlin, pp. 139-152.

F. Esposito, D. Malerba, and V. Tamma, Dissimilarity Measures for Symbolic Objects (Section 8.3), 2000. In Bock, H. H. & Diday, E. (Eds.): Analysis of Symbolic Data. Exploratory methods for extracting statistical information from complex data, Series: Studies in Classification, Data Analysis, and Knowledge Organisation, Vol. 15, Springer-Verlag: Berlin, pp. 165-185.

Conferences and Workshop Papers

T.R.Payne and V.Tamma: Negotiating over ontological correspondences with asymmetric and incomplete knowledge. 13th International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS) (to appear).

P. Doran, T.R. Payne, V. Tamma, I. Palmisano: Deciding agent orientation on ontology mappings. 9th International Semantic Web Conference (ISWC), 1161-176, 2010.

P. Doran, V. Tamma, T.R. Payne, I. Palmisano: Flexible agrement mechanism for dynamic meaning negotiation. 9th International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS), 1599-1600, 2010.

P. Doran, V. Tamma, T.R. Payne and I. Palmisano: An entropy measure for evaluating ontology modularization. 5th International Conference on Knowledge Capture (KCap-09), September 1st-4th, 2009, Redondo Beach, California, USA. (In Press)

16. P.Doran, V. Tamma, T.R. Payne and I. Palmisano: Dynamic selection of ontological alignments: a space reduction mechanism. 21st International Joint Conference on Artificial Intelligence (IJCAI-09), July 11th-17th, 2009, Pasadena, California, USA.
    

16. P.Doran, V. Tamma, I. Palmisano, T.R. Payne: Efficient argumentation over ontology corrrespondences. 8th International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS), 1241-1242, 2009. 
    

P. Doran, V. Tamma, I. Palmisano, and L. Iannone: Evaluating Ontology Modules using an Entropy Inspired Metric. Proceedings of the 2008 IEEE/WIC/ACM International Conference on Web Intelligence (WI 2008), Sydney, Australia, 2008 (Short paper)

I. Palmisano, V. Tamma, L. Iannone, T.R. Payne and P. Doran: Dynamic Change Evaluation for Ontology Evolution in the Semantic Web. Proceedings of the 2008 IEEE/WIC/ACM International Conference on Web Intelligence (WI 2008), Sydney, Australia, 2008

I. Palmisano, V. Tamma, L. Iannone, T.R. Payne and P. Doran: Dynamic Ontology Evolution in Open Environments. 7th International Semantic Web Conference (ISWC 2008), Karlsruhe, Germany, 2008 (Poster) 

P. Doran, V. Tamma, L. Iannone, and I. Palmisano: Evaluating ontology modules using entropy. 16th International Conference on Knowledge Engineering and Knowledge Management - Knowledge Patterns (EKAW 2008), Acitrezza, Italy, 2008 (Poster)

C. van Aart and V. Tamma: Agent Mediated Provision of Insurance Services -- Two Case Studies: Fraud and Repairs. 10th International Conference on Electronic Commerce (ICEC 08), Innsbruck, Austria, 2008 (Invited Paper)

I. Blacoe, I. Palmisano, V. Tamma and L. Iannone: QuestSemantics - Intelligent Search and Retrieval of Business Knowledge. 5th Prestigious Applications of Intelligent Systems (PAIS 2008),  ECAI 2008, Patrasso, Greece, 2008.

V. Tamma: Do you speak my language? Challenges of knowledge engineering in open environments. Proceedings of the IEEE 1st International Conference on Information Technology, Gdansk, Poland, 2008. (Invited Paper)

P. Doran, I. Palmisano, and V. Tamma: SOMET: Algorithm and Tool for SPARQL Based Ontology Module Extraction. Proceedings of the 2008 ESWC International Workshop on Ontologies: Reasoning and Modularity (WORM-08), Tenerife, Spain, 2008

P. Doran, V. Tamma, L. Iannone: Ontology Module Extraction for Ontology Reuse: An Ontology Engineering Perspective. Proceedings of the 2007 ACM CIKM International Conference on Information and Knowledge Management (CIKM), Lisbon, Portugal, 2007.

M. d'Aquin, P. Doran, E. Motta, V. Tamma: Towards a Parametric Ontology Modularization Framework Based on Graph Transformation. I2nd International Workshop on Modular Ontologies (WoMo 2007), K-CAP 2007, British Columbia, Canada, 2007. 

S. Paurobally, V. Tamma, M. Wooldridge, C. van Aart, and P. van Hapert: Web Service Negotiation in an Insurance Grid. 6th International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS 2007), Honolulu, Hawaii, USA, 2007.

L. Laera, I. Blacoe, V. Tamma, T. Payne, J. Euzenat, and T. Bench-Capon: Argumentation over Ontology Correspondences in MAS. 6th International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS 2007), Honolulu, Hawaii, USA, 2007.

L. Laera, V. Tamma, J. Euzenat, T. Bench-Capon, and T. Payne. Arguing over ontology alignments. In Proceedings of the ISWC-06 Workshop on Ontology Matching (OM-2006).Athens, GA, USA, November 2006.

L. Laera, V. Tamma, J. Euzenat, T. Bench-Capon, and T. Payne. Reaching agreement over ontology alignments. 5th International Semantic Web Conference (ISWC 2006), Athens, GA, USA, November 2006.

T. Moyaux, B. Lithgow Smith, S. Paurobally, V. Tamma, and M. Wooldridge. Towards Service-Oriented Ontology-Based Coordination. Proceedings of the IEEE International Conference on Web Services (ICWS 2006), Chicago, IL, USA, September 2006

L. Laera, V. Tamma, T. Bench-Capon, and J. Euzenat. Agent-based argumentation for Ontology Alignmnent. Proceedings of the ECAI 2006 workshop on Computational Models of Natural Argument (CMNA 2006), Riva del Garda, Italy, September 2006

J. Cantais, D. Dominguez, V. Gigante, L. Laera, and V. Tamma. An example of food ontology for diabetes control. Proceedings of the ISWC 2005 workshop on Ontology Patterns for the Semantic Web, Galway, Ireland, November 2005

L. Laera, V. Tamma, and T. Bench-Capon. SweetProlog: A System to Integrate Ontologies and Rules. Proceedings of the Fourth International Semantic Web Conference (ISWC 2005) (Poster), Galway, Ireland, November 2005

V. Tamma, I. Blacoe, B. Lithgow Smith, and M. Wooldridge. Introducing Autonomic Behaviour in Semantic Web Agents. 4th International Semantic Web Conference (ISWC 2005), Galway, Ireland, November 2005

V. Tamma, C. van Aart, T. Moyaux, S. Paurobally, B. Lithgow Smith, and M. Wooldridge. An Ontological Framework for Dynamic Coordination. 4th International Semantic Web Conference (ISWC 2005), Galway, Ireland, November 2005

S. Paurobally, V. Tamma and M. Wooldridge. Cooperation and Agreement between Semantic Web Services. W3C Workshop on Frameworks for Semantics in Web Services, Innsbruck, Austria, June 2005

V. Tamma, I. Blacoe, B. Lithgow Smith, and M. Wooldridge. SERSE: surfing the Semantic Web with Esperonto. Proceedings of the AAMAS 2004 workshop on Challenges in the coordination of large scale multi-agent systems

L. Laera, V. Tamma, T. Bench-Capon, and G. Semeraro. SweetProlog: A system to integrate ontologies and rules. Rules and Rule Markup Languages for the Semantic Web, Proceedings of the 3rd RuleML workshop, LNCS 3323, 188-193.

V. Tamma, I. Blacoe, B. Lithgow Smith and M. Wooldridge. SERSE: searching for Semantic Web Content. 16th European Conference on Artificial Intelligence, ECAI 2004, Valencia, Spain, August 2004

V. Tamma, I. Blacoe, B. Lithgow Smith and M. Wooldridge. SERSE: searching for digital content in Esperonto. 14th International Conference on Knowledge Engineering and Knowledge Management, EKAW 2004, Whittlebury Hall, UK, October 2004

V. Tamma, M. Wooldridge, I. Blacoe, and A. Persidis. Retrieval of Scientific data in Esperonto. Proceedings of the ISWC 03 workshop on Semantic Web Technologies for Searching and Retrieving Scientific Data, Sanibel Island, Florida, October 2003

V. Tamma, and T. Bench-Capon, 2002: Attribute meta-properties for formal ontological analysis. Proceedings of the 13th International Conference on Knowledge Engineering and Knowledge Management, EKAW 2002, Siguenza, Spain, 1-3 October 2002.

V. Tamma, M. Wooldridge, and I. Dickinson, 2002: An ontology for automated negotiation. Proceedings of the international workshop on ontologies in agent systems (OAS 02), to be held at the AAMAS 02 conference, Bologna, Italy.

V. Tamma, I. Wooldridge, and I. Dickinson, 2002: An ontology based approach to automated negotiation. Proceedings of the IV workshop on agent mediated electronic commerce (AMEC IV), held at the AAMAS 02 conference, Bologna, Italy.

V. Tamma, and T.J.M. Bench-Capon, 2002: Attribute meta-properties for knowledge sharing. Proceedings of the ECAI 02 workshop on ontologies and semantic interoperability, Lyon, France.

V. Tamma, 2002: An Ontology Model supporting Multiple Ontologies for Knowledge sharing. PhD Thesis, The University of Liverpool. (Zipped pdf file).

V. Tamma, and T.J.M. Bench-Capon, 2001: An enriched knowledge model driven by formal ontological analysis. Proceedings of the International Conference on Formal Ontologies in Information Systems - FOIS 2001. Ogunquit, Maine, USA, October 17-19, 2001.

V. Tamma, and T.J.M. Bench-Capon, 2001: Characterising concept's properties in ontologies. In Esposito, F. (Ed.), Proceedings of the "7mo Congresso della Associazione Italiana per l'Intelligenza Artificiale - AI*IA 2001", Springer-Verlag, LNAI 2175. Bari, Italy, September 25-28, 2001.

V. Tamma, and S. Parsons, 2001: Argumentation and qualitative reasoning with kappa calculus systems. In Proceedings of the Sixth European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty (ECSQARU 2001)

D. Malerba, F. Esposito, V. Gioviale, and V. Tamma, 2001: Comparing Dissimilarity Measures for Symbolic Data Analysis . In Proceedings of ETK-NTTS 2001, Int. Conferences on Exchange of Technologies and Know-How and New Techniques & Technologies for Statistics.

V. Tamma, and T.J.M. Bench-Capon, 2001: A conceptual model to facilitate knowledge sharing in multi-agent systems. In Proceedings of the Autonomous Agents 2001 Workshop on Ontologies in Agent Systems (OAS 2001). Montreal, May, 29, 2001, pp. 69-76. Best paper award.

V. Tamma, and T.J.M. Bench-Capon, 2001: A knowledge model to support inconsistency management when reasoning with shared knowledge. In Proceedings of the IJCAI'01 Workshop on Ontologies and Information Sharing.

V. Tamma, and T.J.M. Bench-Capon, 2000: Supporting inheritance mechanisms in ontology representation. In Dieng, R., and Corby, O., (Eds), Proceedings of the 12th International Conference on Knowledge Engineering and Knowledge Management (EKAW'2000). Juan-Les-Pins, France, October 2-6, 2000, Spring-Verlag LNAI 1937, pp. 140-155.

V. Tamma, and T.J.M. Bench-Capon, 2000: Supporting different inheritance mechanisms in ontology representation. In Benjamins, R., Gomez-Perez, A., Guarino, N., and Uschold, M., eds, Proceedings of the ECAI-2000 Workshop on Applications of Ontologies and Problem-Solving Methods, Berlin, Germany, August 21-22, 2000, pp. 18.1-18.4.

D. Malerba, L. Sanarico, and V. Tamma, 2000: A comparison of dissimilarity measures for symbolic data analysis. In Proceedings of the ECML'2000 workshop on dealing with structured data in machine learning and statistics, Barcelona, Spain, May 30, 2000

V. Tamma, P.R.S. Visser, D. Malerba, and D.M. Jones, 2000: Computer Assisted Ontology clustering for Knowledge sharing. In Proceedings of the ECML'2000/ML net Workshop on Machine Learning in the New Information Age, Barcelona, Spain, May 30, 2000, pp. 75-83,.

P.R.S. Visser, and V. Tamma, 1999: An Experience with Ontology-based Agent Clustering. In Proceedings of the IJCAI 99 Workshop on Ontologies and Problem-Solving Methods: Lessons Learned and Future Trends, Stockholm, Sweden, August 2, 1999, pp. 12-1 - 12-13.

P.R.S. Visser, and V. Tamma, 1999: An Experience with Ontology Clustering for Information Integration. In Proceedings of the IJCAI 99 Workshop on Intelligent Information Integration, Stockholm, Sweden, July 31, 1999

F. Esposito, D. Malerba, and V. Tamma, 1999: Dissimilarity measures in symbolic data analysis. Proceedings of Cladag-SIS' 99, Rome 5-6 July 1999, pp. 137-140.

V. Tamma and P.R.S.Visser, 1998: Integration of Heterogeneous Sources: Towards a Framework for comparing Techniques.Proceedings of the "6 Convegno dell'Associazione Italiana per l'Intelligenza Artificiale (AI*IA), Workshop su Strumenti di organizzazione ed accesso intelligente per informazioni eterogenee", Padua, 23-25 September 1998, pp. 89-93.

F. Esposito, D. Malerba, and V. Tamma, 1998: Efficient Data-Driven Construction of Model-Trees. Proceedings of NTTS'98, Int. Seminar on New Techniques & Technologies for Statistics, pp. 163-168.

A. Fino, D. Malerba, and V. Tamma: Induction of tree-based regression models. In Proceedings of the "Incontro dei Gruppi di Lavoro dell'Associazione Italiana per l'Intelligenza Artificiale (AI*IA) su Apprendimento Automatico e Linguaggio Naturale", Turin, 9-10 Decmber 1997. (In Italian)