Minimal model generation for refined answering of generalized queries in disjunctive deductive databases.
Adnan H. YahyaPublished in: Data Knowl. Eng. (2000)
Keyphrases
- disjunctive deductive databases
- query evaluation
- answering queries
- deductive databases
- horizontal fragmentation
- query language
- query answering
- query processing
- database
- datalog programs
- data management
- integrity constraints
- data complexity
- complex queries
- database queries
- approximate answers
- aggregate queries
- user queries
- fixpoint
- range aggregate queries
- conjunctive queries
- range queries
- web search engines
- xml data
- web search
- general purpose
- data sources
- information retrieval