Continuous Monitoring of Top- k Spatial Keyword Queries in Road Networks.
Yanhong LiGuohui LiLihChyun ShuQun HuangHong JiangPublished in: J. Inf. Sci. Eng. (2015)
Keyphrases
- spatial queries
- continuous monitoring
- keyword queries
- efficient processing
- keyword search in relational databases
- road network
- query processing
- spatial databases
- keyword search
- spatial data
- user queries
- keywords
- spatial objects
- query evaluation
- range queries
- information access
- structured data
- r tree
- shortest path
- query result
- geographic information systems
- index structure
- skyline queries
- moving objects
- semi structured
- k nearest neighbor
- machine learning
- xml databases
- high dimensional
- search engine
- graph structure
- database systems
- web pages