Static Estimation of Query Sizes in Horn Programs.
Saumya K. DebrayNai-Wei LinPublished in: ICDT (1990)
Keyphrases
- query processing
- database
- response time
- relevance feedback
- query formulation
- data sources
- data structure
- query evaluation
- user queries
- query expansion
- np hard
- range queries
- indexing techniques
- estimation algorithm
- answer sets
- horn theories
- query execution
- complex queries
- result set
- retrieval method
- database queries
- search queries
- data objects
- query terms
- retrieval systems