Preface. Conference Committee. <strong>Invited Papers.</strong> Obtaining Precision when Integrating Information; G. Wiederhold. From Object-Oriented Programming to Ontology-Driven Modeling; J. Bézivin. Agents and Electronic Commerce, Hype and Reality; F. Dignum. Must a Computer Have a User? A. Holt. Resource Allocation in Large Scale Systems, a Decoupling Approach; N.C. Martins, et al. <strong>Part 1: Databases and</strong> <strong>Information Systems Integration.</strong> IODBCON: Integrated Object-Oriented Database System for Integrating Information about Architecture Design and Construction Processes; F. Marir, Y.J. Yip. Object Evolution Mechanisms in Object Databases; S. Hammoudi. Modelling Data Integration in an Object Based Geographical Information System; M.L. Damiani. Data Warehouse Striping: Improved Query Response Time; J. Bernardino, H. Madeira. Evaluation of a Visualisation Design for Knowledge Sharing and Information Discovery; L.B. Gouveia, F.R. Gouveia. Novel Data Visualization and Exploration in Multidimensional Datasets; N. Kotsis, et al. Supporting Decentralized Software-Intensive Processes Using Zeta Component-Based Architecture Description Language; I. Alloui, F. Oquendo. The Decor Toolbox for Workflow-Embedded Organizational Memory Access; A. Abecker, et al. <strong>Part 2: Artificial Intelligence and Decision Support Systems.</strong> Multi-Agent Dynamic Scheduling and Re-Scheduling with Global Temporal Constraints; J. Reis, N. Mamede. An Intelligent Agent-Based Order Planning for Dynamic Networked Enterprises; A.L. Azevedo, et al. The Effects of Different Feature Sets on the Web Page Categorization Problem Using the Iterative Cross-Training Algorithm; N. Soonthornphisay, B. Kijsirikul. Data Reduction to Improve Knowledge Extraction; M. de Fátima Rodrigues, P.R. Henriques. Designing Intelligent Tutoring Systems: A Bayesian Approach; H. Gamboa, A. Fred. Qualitative Reasoning For Software Development Project by Constraint Programming; A.J. Suárez, et al. Towards Scalable Multi-Agent Systems; R. Deters. <strong>Part 3: Information Systems Analysis and</strong> <strong>Specification.</strong> Domain Oriented Framework Construction; I.M. Filho, et al. Managing Processes Through a Base of Reusable Components; B. Coulette, et al. Enterprise Information Systems: Specifying the Links among Project Data Models using Category Theory; M. Johnson, C.N.G. Dampney. A Framework for Evaluating Wis Design Methodologies; L. Cernuzzi, G. Magalí. An Information System View of Consistency and Integrity in Enterprise Operations; Y. Shinkawa, M.J. Matsumoto. Integrating Organizational Semiotic Approach with the Temporal Aspects of Petri Nets for Business Process Modeling; J. Barjis, S. Chong. The Use of Formal and Informal Models in Object-Oriented Requirements Engineering; L. Dawson. Enterprise Modelling for an Educational Information Infrastructure; I. Widya, et al. Towards E-Management as Enabler for Accelerated Change; H. Lérias, et al. Experiences in the Development of Information Systems in an Industrial Innovation Context; A.L. Soares, et al. <strong>Part 4: Internet Computing and Electronic</strong> <strong>Commerce.</strong> An XML-based Multimedia Middleware for Mobile Online Auctions; M. Wagner, et al. An Analysis of B2B Catalogue Integration Problems; B. Omelayenko, D. Fensel. A Corba and Web Technology Based Framework for the Analysis and Optimal Design of Complex Systems in the Oil Industry; C. Arévalo, et al. E-Business Change and Organizational Performance; C. Ash. QOS Negotiation Based on Management Delegates; J.L. Oliveira, R.L. Aguiar. May Your Information Service Live in Interesting Times; S. Willmott, et al. Agent-Based Personalized Services For Mobile Users over a VPN; H. Harroud, et al. An Agent-Based Knowledge Sharing Model for Information Retrieval on the Internet; Bin Ling, et al. Author Index.