Aggregate keyword nearest neighbor queries on road networks.
Pengfei ZhangHuaizhong LinYunjun GaoDongming LuPublished in: GeoInformatica (2018)
Keyphrases
- nearest neighbor queries
- road network
- location based services
- spatial queries
- nearest neighbor search
- keywords
- shortest path
- similarity search
- travel time
- moving objects
- spatial databases
- r tree
- index structure
- metric space
- query point
- geographic information systems
- multimedia databases
- keyword search
- data objects
- efficient processing
- range queries
- high dimensional spaces
- data sets
- euclidean distance
- spatial data
- indexing structure
- distance function
- nearest neighbor
- mobile devices
- search engine