Performance Bounds of Decentralized Search in Expert Networks for Query Answering.
Liang MaMudhakar SrivatsaDerya CanseverXifeng YanSue KaseMichelle VanniPublished in: ACM Trans. Knowl. Discov. Data (2019)
Keyphrases
- query answering
- data exchange
- data integration
- answering queries
- conjunctive queries
- incomplete information
- data complexity
- integrity constraints
- search algorithm
- data integration systems
- multi agent
- inconsistent databases
- query rewriting
- schema mappings
- query answers
- dl lite
- distributed systems
- query relaxation
- upper bound
- lower bound
- data sets
- regular path queries
- ontology based data access
- peer to peer
- worst case
- data warehouse
- np hard
- databases