Query Relaxation across Heterogeneous Data Sources.
Verena KantereGeorge OrfanoudakisAnastasios KementsietsidisTimos K. SellisPublished in: CIKM (2015)
Keyphrases
- query relaxation
- heterogeneous data sources
- data integration
- knowledge driven
- data sources
- query answering
- web databases
- multiple data sources
- heterogeneous data
- databases
- approximate answers
- relational databases
- metadata
- data exchange
- rdf data
- web services
- data management
- data sets
- data warehouse
- data model
- deep web
- query interface
- case study
- knowledge representation
- query logs
- nearest neighbor
- multi dimensional