Towards Cost-based Optimizations of Twig Content-based Queries.
Michal KrátkýRadim BacaPublished in: DATESO (2008)
Keyphrases
- query evaluation
- query language
- user queries
- query processing
- range queries
- total cost
- image retrieval
- efficient processing
- web search engines
- database queries
- query terms
- database
- response time
- relational database systems
- retrieval systems
- pattern queries
- query cost
- pattern matching
- multimedia
- cost model
- query logs
- xml data
- data sources
- query types
- database systems