Query Optimization for Semistructured Data Using Path Constraints in a Deterministic Data Model.
Peter BunemanWenfei FanScott WeinsteinPublished in: DBPL (1999)
Keyphrases
- semistructured data
- query optimization
- data model
- database systems
- xml data
- regular path queries
- semistructured databases
- query language
- semi structured
- cost model
- query processing
- path expressions
- structured data
- query execution
- regular expressions
- database management systems
- storage structures
- data integration
- databases
- relational model
- object oriented
- data management
- query rewriting
- xml documents
- heterogeneous data
- data sources
- database
- raw data
- tree patterns
- xml schema
- relational algebra
- query evaluation