K-Graphs: Selecting Top-k Data Sources for XML Keyword Queries.
Khanh NguyenJinli CaoPublished in: DEXA (1) (2011)
Keyphrases
- keyword queries
- keyword search in relational databases
- data sources
- structured data
- keyword search
- graph structure
- query keywords
- data integration
- xml keyword search
- semi structured
- data model
- keywords
- efficient processing
- xml databases
- xml documents
- xml streams
- search engine
- query evaluation
- xml data
- heterogeneous data sources
- user queries
- information integration
- relational databases
- databases
- database schema
- query processing
- information access
- data warehouse
- data exchange
- data warehousing
- query language
- query interface
- graphical models
- information extraction
- database
- digital libraries
- bayesian networks
- metadata
- domain ontology