Semantics and Pragmatics of Preference Queries in Digital Libraries.
Elhadji Mamadou NguerPublished in: ECDL (2007)
Keyphrases
- digital libraries
- formal semantics
- query processing
- user queries
- query answers
- database query languages
- query language
- efficient processing
- response time
- database
- advanced technology
- aggregate functions
- sparql queries
- query containment
- query formulation
- query logs
- open world
- consistent query answering
- peer to peer
- natural language processing
- query evaluation
- multi attribute
- database queries
- range queries
- semantic information
- web search engines
- metadata
- query answering
- answering queries
- aggregate queries
- retrieval systems
- logic programming
- databases