A Novel Top-k Query Scheme in Unstructured P2P Networks.
Zhitao GuanGuangwei YanHeqing HuangPublished in: CIT (2) (2009)
Keyphrases
- query processing
- user defined
- query result
- result set
- indexing scheme
- scoring functions
- database
- query evaluation
- range queries
- user queries
- response time
- aggregate queries
- highly relevant
- skyline queries
- unstructured p p networks
- search mechanism
- retrieval method
- query expansion
- data sources
- database queries
- keywords
- proximity search
- databases
- retrieval systems
- information retrieval systems
- data structure
- storage cost
- database systems
- multimedia
- ranking list