Keyphrases
- query answering
- data exchange
- open world
- graph construction
- summer school
- knowledge base
- data complexity
- answering queries
- data integration
- incomplete information
- knowledge representation
- integrity constraints
- k nearest neighbor
- conjunctive queries
- schema mappings
- semantic web
- uncertain information
- reasoning tasks
- databases
- knowledge management
- active learning
- label propagation
- knn
- semi supervised
- semi supervised learning
- logic programs
- data management