Keyphrases
- query evaluation
- databases
- probabilistic databases
- query language
- data management
- data model
- efficient query evaluation
- probabilistic xml
- query engine
- query processing
- conjunctive queries
- data complexity
- deductive databases
- xml data
- database
- database systems
- null values
- constraint databases
- data integration
- transitive closure
- bayesian networks
- database queries
- querying xml documents
- uncertain data
- metadata
- regular expressions
- probabilistic reasoning
- knowledge discovery
- linked data
- expressive power
- relational databases
- semantic web
- data sources
- query answers
- relational algebra
- relational model
- disjunctive deductive databases
- inverted lists
- probabilistic model
- rdf data
- relational data
- data warehouse
- sparql queries