Overview.- Ontologies: State of the Art, Business Potential, and Grand Challenges.- Infrastructure.- Engineering and Customizing Ontologies.- Ontology Management Infrastructures.- Ontology Reasoning with Large Data Repositories.- Evolution, Alignment, and the Business Perspective.- Ontology Evolution.- Ontology Alignments.- The Business View: Ontology Engineering Costs.- Experiences.- Ontology Management in e-Banking Applications.- Ontology-Based...