Types for Correctness of Queries over Semistructured Data.
Dario ColazzoGiorgio GhelliPaolo ManghiCarlo SartianiPublished in: WebDB (2002)
Keyphrases
- semistructured data
- query language
- tree patterns
- semistructured databases
- regular expressions
- query evaluation
- data model
- semi structured
- regular path queries
- path expressions
- structured data
- database
- query processing
- xml data
- database systems
- conjunctive queries
- raw data
- web search engines
- data sources
- relational algebra
- relational database systems
- transitive closure
- conceptual model
- object oriented