1. Web Intelligence (WI): A New Paradigm for Developing the Wisdom Web and Social Network Intelligence -- I. Web Agents -- 2. Agent-Based Characterization of Web Regularities -- 3. Agent-Based Composite Services in DAML-S: the Behavior-Oriented Design of an Intelligent Semantic Web -- 4. Designing Scenarios for Social Agents -- 5. Using Agent Technology to Improve the Quality of Web-Based Education -- II. Web Mining and Farming -- 6. Discovering Business Intelligence Information by Comparing Company Web Sites -- 7. Discovery of Indirect Associations from Web Usage Data -- 8. Knowledge-Based Wrapper Induction for Intelligent Web Information Extraction -- 9. Web Log Mining -- III. Web Information Retrieval -- 10. Personalized and Focused Web Spiders -- 11. Exploiting the Web as Parallel Corpora for Cross-Language Information Retrieval -- IV. Web Knowledge Management -- 12. Knowledge Representation, Sharing, and Retrieval on the Web -- 13. On-To-Knowledge: Semantic Web-Enabled Knowledge Management -- 14. Ontology Learning Part One - on Discovering Taxonomic Relations from the Web -- V. Infrastructure for Web Intelligent Systems -- 15. Algorithmic Aspects of Web Intelligent Systems -- 16. Web Document Prefetching on the Internet -- VI. Social Network Intelligence -- 17. Social Networks: From the Web to Knowledge Management -- 18. A Ranking Algorithm Based on Graph Topology to Generate Reputation or Relevance -- 19. Communityware That Facilitates Knowledge Interactions -- 20. Social Intelligence Design for Web Intelligence -- Author Index.