An Approximation-Aware Algebra for XML Full-Text Queries.
Giacomo BurattiDanilo MontesiPublished in: ICSOFT (ISDM/EHST/DC) (2007)
Keyphrases
- xquery full text
- query language
- data model
- database query languages
- retrieval systems
- xml documents
- query processing
- xml data
- query relaxation
- xpath queries
- xml query languages
- content and structure
- database
- query evaluation
- query engine
- relational data model
- relational database systems
- data retrieval
- xml query processing
- digital libraries
- xml retrieval
- efficient processing
- ranked retrieval
- approximate answers
- relational algebra
- user queries
- databases
- path expressions
- relational database management systems
- web search engines
- relational databases
- object oriented
- update operations
- range queries
- xml schema
- native xml databases
- expressive power
- xml databases
- data types
- information retrieval
- database systems
- query patterns
- boolean algebra
- semi structured
- keywords
- algebraic expressions
- data sources
- data integration
- database objects
- aggregate queries
- rdf data
- query result
- keyword search
- relational model
- object oriented databases
- keyword queries
- information retrieval systems
- database queries