Keyphrases
- xml documents
- keyword search
- keyword queries
- xml databases
- xml queries
- xml data
- xml keyword search
- structured data
- content and structure
- relational databases
- keywords
- semi structured
- keyword search in relational databases
- xml schema
- information access
- html documents
- web search
- semi structured data
- integrity constraints
- user queries
- data model
- databases
- search engine
- structured queries
- labeling scheme
- xpath queries
- semistructured data
- search queries
- query evaluation
- query language
- inverted index
- web documents
- xml elements
- document structure
- query processing
- data exchange