Structural similarity in geographical queries to improve query answering.
Arianna D'UliziaFernando FerriAnna FormicaPatrizia GrifoniMaurizio RafanelliPublished in: SAC (2007)
Keyphrases
- query answering
- structural similarity
- answering queries
- query answers
- data exchange
- query rewriting
- query relaxation
- query containment
- incomplete information
- structural information
- data integration systems
- conjunctive queries
- inconsistent databases
- data complexity
- data integration
- xml data exchange
- database
- integrity constraints
- regular path queries
- complexity of query answering
- query processing
- tuple generating dependencies
- schema mappings
- quality metrics
- query language
- consistent query answering
- probabilistic databases
- open world
- data sources
- similarity computation
- approximate answers
- databases
- query evaluation