Reformulating Ontological Queries Using Materialised Rewritings.
Alexandros ChortarasBernardo Cuenca GrauGiorgos B. StamouGiorgos StoilosPublished in: WIMS (2016)
Keyphrases
- query rewriting
- view selection
- rewriting queries using views
- materialized views
- conjunctive queries
- answering queries using views
- regular path queries
- queries using views
- view maintenance
- query processing
- query evaluation
- query containment
- query language
- query answering
- response time
- tree patterns
- web search engines
- probabilistic databases
- user queries
- database
- unions of conjunctive queries
- xpath queries
- data warehousing
- view definitions
- aggregate queries
- query optimization
- decision procedures
- deductive databases
- metadata
- np complete
- data management
- data sources
- data warehouse
- search engine
- incomplete information