Optimizing Sorting and Duplicate Elimination in XQuery Path Expressions.
Mary F. FernándezJan HiddersPhilippe MichielsJérôme SiméonRoel VercammenPublished in: DEXA (2005)
Keyphrases
- duplicate elimination
- path expressions
- xml data
- xml documents
- object oriented databases
- cost model
- complex objects
- xml queries
- query language
- semi structured data
- semistructured data
- regular expressions
- xml query languages
- relational database systems
- query optimization
- query execution
- keyword search
- structured data
- query optimizer
- databases
- xpath queries
- relational databases
- relational model
- relational algebra
- multi dimensional
- data model