Keyphrases
- databases
- xquery full text
- database
- relational database systems
- data model
- data retrieval
- database objects
- query language
- relational database management systems
- database queries
- relational databases
- data sources
- data integration
- xpath queries
- xml query languages
- xml data
- query processing
- query patterns
- ranked retrieval
- metadata
- xml documents
- indexing techniques
- query interface
- query evaluation
- statistical databases
- database systems
- web search engines
- database engine
- update operations
- query relaxation
- content and structure
- relational data model
- markup language
- xml trees
- range queries
- web databases
- xml queries
- structured documents
- semi structured
- xml databases
- query rewriting
- database applications
- data warehouse
- relational tables
- information retrieval
- query engine
- answering queries
- efficient processing
- keyword queries
- keyword search