Teaching material
[1] Scientific papers on the issues treated in the course
[2] Course slides, 2007/08. Available on the course home page (see "Teaching material").

1. Conjunctive queries. First-order queries, conjunctive queries, homomorphism, conjunctive query containment, conjunctive query evaluation (expression and data complexity)
   
   
2. Ontology-based data access. Ontologies, description logics, relationship with UML class diagrams and the Entity-Relationship model, conjunctive queries over description logic ontologies, DL-lite family (logspace data complexity), approximation, epistemic queries
   
   
3. Semantic data integration. Data integration in the relational model, kinds of mapping (GAV, LAV, GLAV), incomplete information, data exchange, view-based query processing, Data integration using (DL-lite) ontologies.
   
   
4. Service composition. Services, web services, e-services, technologies and models, behavioral models of services, bisimulation and simulation, synthesis, service composition based on behaviors.