Invited Papers -- Knowledge Representation for Information Integration -- Infrastructure and Interoperability for Agent-Mediated Services -- Improving Classification by Removing or Relabeling Mislabeled Instances -- Incremental Learning with Partial Instance Memory -- KDD-Based Approach to Musical Instrument Sound Recognition -- Learning Significant Alignments: An Alternative to Normalized Local Alignment -- Intelligent User Interface and Ontologies -- A Plausibility Description Logics for Reasoning with Information Sources Having Different Formats and Structures -- Roles of Ontologies for Web Intelligence -- Handling Semantic Inconsistencies in Distributed Knowledge Systems Using Ontologies -- Structured Ontology and Information Retrieval for Email Search and Discovery -- Learning and Knowledge Discovery -- Conceptual Clustering of Heterogeneous Sequences via Schema Mapping -- Is a Greedy Covering Strategy an Extreme Boosting? -- Acquisition of a Knowledge Dictionary from Training Examples Including Multiple Values -- Mining Bayesian Network Structure for Large Sets of Variables -- Logic for Artificial Intelligence -- Automatic Generation of Trivia Questions -- Answering Queries Addressed to Several Databases: A Query Evaluator which Implements a Majority Merging Approach -- Minimal Generalizations under OI-Implication -- I-Search: A System for Intelligent Information Search on the Web -- Knowledge Representation, Reasoning, Integration -- Four-Valued Knowledge Augmentation for Representing Structured Documents -- WISECON — An Intelligent Assistant for Buying Computers on the Internet -- Basic Semantics of the Logic of Plausible Reasoning -- Logic-Based Reasoning on Delegatable Authorizations -- Intelligent Information Retrieval -- Mixing Selections and Foreign Key Joins in Queries against Possibilistic Databases -- Aggregates as Meta Functions -- A Knowledge-Based Approach to Querying Heterogeneous Databases -- Using User Profiles in Intelligent Information Retrieval -- Learning and Knowledge Discovery -- Partition-Refining Algorithms for Learning Finite State Automata -- Computing Full and Iceberg Datacubes Using Partitions -- A Dynamic Approach to Dimensionality Reduction in Relational Learning -- Incremental and Dynamic Text Mining -- Logic for Artificial Intelligence -- A Logic Framework for the Integration of Databases -- Inference for Annotated Logics over Distributive Lattices -- Disjunctive Logic Programs with Inheritance Revisited -- Knowledge Constructions for Artificial Intelligence -- Methodologies and Soft Computing -- Validation and Reparation of Knowledge Bases -- Automated Discovery of Decision Rule Chains Using Rough Sets and Medical Diagnostic Model -- Inheriting Parents Operators: A New Dynamic Strategy for Improving Evolutionary Algorithms -- Intelligent User Interfaces -- An Intelligent Web Recommendation System: A Web Usage Mining Approach -- Porphyry 2001: Semantics for Scholarly Publications Retrieval -- Preprocessor to Improve Performance of GA in Determining Bending Process for Sheet Metal Industry -- Knowledge Representation, Reasoning, Integration -- Recognizing and Discovering Complex Events in Sequences -- Why to Apply Generalized Disjunction-Free Generators Representation of Frequent Patterns? -- Trading-Off Local versus Global Effects of Regression Nodes in Model Trees -- Intelligent Information Systems -- An Efficient Intelligent Agent System for Automated Recommendation in Electronic Commerce -- Matching an XML Document against a Set of DTDs -- Decision Tree Modeling with Relational Views -- Learning and Knowledge Discovery -- Discovering Sequential Association Rules with Constraints and Time Lags in Multiple Sequences -- Mining Association Rules in Preference-Ordered Data -- Unknown Attribute Values Processing by Meta-learner -- Intelligent Information Retrieval -- Intelligent Buffer Cache Management in Multimedia Data Retrieval -- A Logical Formalization of Semistructured Data Models -- Solving Travel Problems by Integrating Web Information with Planning -- Methodologies -- A Framework for Generating Task Specific Information Extraction Systems -- A Formal Framework for Reasoning on UML Class Diagrams -- A Biological Approach to the Development of Computer Autoimmune Systems -- Intelligent User Interfaces -- Adaptive Layout Analysis of Document Images -- A NLG-Based Presentation Method for Supporting KDD End-Users -- A Tool Supported Structured Method for Planning Domain Acquisition -- Intelligent Information Systems -- Probabilistic Aggregates -- Samples for Understanding Data-Semantics in Relations -- Cooperation of Multiple Strategies for Automated Learning in Complex Environments -- Learning and Knowledge Discovery -- Classifier Fusion Using Local Confidence -- Feature Selection for Ensembles of Simple Bayesian Classifiers -- Data Squashing for Speeding Up Boosting-Based Outlier Detection.