EGF-Tree: An Energy Efficient Index Tree for Facilitating Multi-region Query Aggregation in the Internet of Things.
Jine TangZhangBing ZhouJianwei NiuQun WangPublished in: GreenCom/iThings/CPScom (2013)
Keyphrases
- index tree
- pre computed
- r tree
- space partitioning
- database
- indexing structure
- query processing
- index structure
- indexing scheme
- range queries
- access methods
- response time
- wireless sensor networks
- data structure
- relevance feedback
- similarity queries
- indexing techniques
- query formulation
- data sources
- databases
- euclidean distance
- user defined
- similarity search
- data retrieval
- query execution
- data points
- efficient query processing