Flexible Aggregate Nearest Neighbor Queries and its Keyword-Aware Variant on Road Networks.
Zhongpu ChenBin YaoZhi-Jie WangXiaofeng GaoShuo ShangShuai MaMinyi GuoPublished in: IEEE Trans. Knowl. Data Eng. (2021)
Keyphrases
- road network
- nearest neighbor queries
- location based services
- spatial queries
- nearest neighbor search
- shortest path
- travel time
- similarity search
- moving objects
- r tree
- efficient processing
- geographic information systems
- keywords
- data objects
- query point
- spatial databases
- metric space
- high dimensional spaces
- spatial data
- range queries
- keyword search
- query processing
- index structure
- multimedia databases
- nearest neighbor
- keyword queries
- database
- multi dimensional
- dimensionality reduction
- support vector machine
- high dimensional
- data structure
- multimedia