Performing grouping and aggregate functions in XML queries.
Huayu WuTok Wang LingLiang XuZhifeng BaoPublished in: WWW (2009)
Keyphrases
- xml queries
- aggregate functions
- xml data
- query language
- xml databases
- xml documents
- aggregate queries
- expressive power
- recursive queries
- relational database systems
- relational algebra
- probabilistic xml
- path expressions
- data exchange
- transitive closure
- relational model
- query processing
- twig queries
- xml schema
- relational data
- query optimization
- sql queries
- relational databases
- join algorithms
- data model
- data structure
- object oriented