Semantics vs. Syntax, Structure, Formal Languages, Semantic Web Architecture, Vocabularies (Dublin Core, RSS, FOAF); Taxonomies – Descriptive Taxonomies, Navigational Taxonomies, Data Management Vocabulary, Roles of taxonomy in Content Management, Building and Maintaining taxonomies; Structured Web Documents and Resource Description Framework – metadata standards, RDF and metadata processing; Knowledge Organization Systems; Classification of organization systems; Relationship Models; Programming with RDF/XML; Web Ontology Language (OWL) - Ontology, Domain Modeling - Logic, Inferencing, Context; Programming with Ontology; Logic Reasoning for the Semantic Web - Classification and semantic metadata extraction using statistical, statistical learning/AI, lexical and natural language, knowledge based techniques; Linked Data, Role of Agents, Semantic Web and Intelligent Agents; Semantic Applications, Review of some of active projects and W3C initiatives, Contributions of IR, AI, Logic, and NLP to Semantic Web and Research Trends.