- Document databases - a summary of basic notions. Relevance, precision and recall.
- Models and languages of document databases: Boolean model, vector model, feedback.
- XML text as a document - querying via key words.
- Language Mongo.
- Graph query languages.
- RDF model and SPARQL.
- Expressive power of relational QL - equivalence of relational QL.
- Transitive closure of a relation. Least fixpoint, minimal model semantics.
- Datalog without recursion, with recursion, with negation, stratification.
- Recursive SQL.
- Querying over data streams.
Languages of information retrieval systems - Boolean and vector model, feedback, XML text as a document. Language Mongo. Graph query languages. Model RDF and SPARQL.
Expressive power of relational QL - equivalence of relational QL. Transitive closure of relation. Least fixpoint, minimal model semantics.
Datalog without recursion, with recursion, with negation, stratification. Recursion in SQL. Querying over data streams.