Query Answering Using Views for Data Integration over the Web.
Diego CalvaneseGiuseppe De GiacomoMaurizio LenzeriniMoshe Y. VardiPublished in: WebDB (Informal Proceedings) (1999)
Keyphrases
- query answering
- data integration
- data integration systems
- data exchange
- data extraction
- query rewriting
- linked data
- databases
- data model
- data sources
- data management
- data complexity
- conjunctive queries
- data warehouse
- answering queries
- heterogeneous data
- data cleaning
- global schema
- schema mappings
- data transformation
- information sources
- heterogeneous data sources
- integrity constraints
- data warehousing
- dl lite
- web pages
- web mining
- business intelligence
- query answers
- regular path queries
- semi structured
- np complete
- case study
- data mining