Approximate Query Answering and Result Refinement on XML Data.
Katja SeidlerEric PeukertGregor HackenbroichWolfgang LehnerPublished in: SSDBM (2010)
Keyphrases
- xml data
- approximate query answering
- query optimization
- aggregate queries
- xml documents
- selectivity estimation
- multi dimensional
- data model
- xml databases
- query processing
- relational databases
- xml queries
- semi structured data
- data cube
- query evaluation
- relational data
- querying xml data
- query language
- xpath queries
- xml schema
- query execution
- relational database systems
- databases
- data warehouse
- path expressions
- approximate answers
- query decomposition
- data mining