Ontological Queries: Rewriting and Optimization (Extended Version)
Georg GottlobGiorgio OrsiAndreas PierisPublished in: CoRR (2011)
Keyphrases
- query rewriting
- query processing
- execution plan
- rewrite rules
- query evaluation
- query language
- complex queries
- cost model
- global optimization
- web search engines
- user queries
- database queries
- conjunctive queries
- database
- queries using views
- optimization strategies
- rewriting rules
- retrieval systems
- optimization algorithm
- efficient processing
- response time
- search queries
- regular path queries
- aggregate queries
- query plan
- query formulation
- range queries
- optimization problems
- knowledge representation
- information retrieval