SPECIFIC CSE 720 TOPICS (tentative): Aggregation and OLAP queries in probabilistic databases. Top-k queries in probabilistic databases. Provenance and lineage: formal notions and algorithms. Relational query containment: a survey. Conditional functional and inclusion dependencies, and their use in data cleaning. Distributed query evaluation. Querying Semantic Web knowledge bases. Information disclosure in data exchange. Security views. Logic-based data extraction. Keyword and schema-less queries. Novel applications: - declarative networking - scalable ganes.