Invited Papers.- Reengineering and Knowledge Management.- Knowledge Navigation in Networked Digital Libraries.- Long Papers.- Towards Brokering Problem-Solving Knowledge on the Internet.- TERMINAE: A Linguistics-Based Tool for the Building of a Domain Ontology.- Applications of Knowledge Acquisition in Experimental Software Engineering.- Acquiring and Structuring Web Content with Knowledge Level Models.- A Knowledge-Based News Server Supporting Ontology-Driven Story Enrichment and Knowledge Retrieval.- Modeling Information Sources for Information Integration.- Ontological Reengineering for Reuse.- Formally Verifying Dynamic Properties of Knowledge Based Systems.- Integration of Behavioural Requirements Specification within Knowledge Engineering.- Towards an Ontology for Substances and Related Actions.- Use of Formal Ontologies to Support Error Checking in Specifications.- The Ontologies of Semantic and Transfer Links.- Distributed Problem Solving Environment Dedicated to DNA Sequence Annotation.- Knowledge Acquisition from Multiple Experts Based on Semantics of Concepts.- Acquiring Expert Knowledge for the Design of Conceptual Information Systems.- A Constraint-Based Approach to the Description of Competence.- Short Papers.- Holism and Incremental Knowledge Acquisition.- Indexing Problem Solving Methods for Reuse.- Software Methodologies at Risk.- Knowledge acquisition of predicate argument structures from technical texts using Machine Learning: the system Asium.- An Interoperative Environment for Developing Expert Systems.- On the Use of Meaningful Names in Knowledge-Based Systems.- FMR: An Incremental Knowledge Acquisition System for Fuzzy Domains.- Applying SeSKA to Sisyphus III.- Describing Similar Control Flows for Families of Problem-Solving Methods.- Meta Knowledge for Extending Diagnostic Consultation to Critiquing Systems.- Exploitation of XML for Corporate Knowledge Management.- An Oligo-Agents System with Shared Responsibilities for Knowledge Management.- Veri-KoMoD: Verification of Knowledge Models in the Mechanical Design Field.- A Flexible Framework for Uncertain Expertise.- Elicitation of Operational Track Grids.