TCMMDB: a distributed multidatabase query system and its key technique implemention.
Xuezhong ZhouZhaohui WuWei LuPublished in: SMC (2001)
Keyphrases
- query processing
- communication cost
- multidatabase environment
- heterogeneous databases
- distributed environment
- database
- distributed systems
- response time
- database systems
- distributed query processing
- query decomposition
- query evaluation
- user queries
- heterogeneous database systems
- cooperative
- query formulation
- query optimization
- relevance feedback
- transaction management
- keyword search
- query routing
- retrieval method
- query interface
- range queries
- retrieval systems
- user interaction
- query expansion
- data sources
- multi agent
- keywords
- databases
- data objects
- vector space
- distributed database systems
- complex queries
- query execution
- peer to peer
- distributed information retrieval
- data structure
- information retrieval