Cooperative Queries in Semistructured Data Model.
Kartik MenonSanjay Kumar MadriaAntonio BadiaPublished in: EC-Web (2003)
Keyphrases
- data model
- semi structured
- query language
- semistructured data
- semistructured databases
- data sources
- content and structure
- databases
- database
- relational data model
- database systems
- query evaluation
- data integration
- relational model
- database management systems
- data extraction
- structured data
- xml data
- tree patterns
- object oriented
- keyword queries
- rdf data
- query processing
- relational algebra
- information extraction
- expressive power
- regular expressions
- web data
- conceptual model
- semi structured data
- xml databases
- regular path queries
- web data sources
- semistructured documents
- conjunctive queries
- user queries
- web search engines
- web documents
- entity relationship
- transitive closure
- query rewriting
- raw data
- tree structured patterns
- xml documents