Efficient Algorithms for Top-k Keyword Queries on Spatial Databases.
Ting WangGuoliang LiJianhua FengPublished in: Mobile Data Management (1) (2011)
Keyphrases
- spatial databases
- keyword search in relational databases
- keyword queries
- keyword search
- spatial data
- query keywords
- structured data
- keywords
- data quality
- r tree
- range queries
- information access
- efficient processing
- road network
- query processing
- user queries
- semi structured
- inverted file
- management system
- data mining
- query evaluation
- inverted index
- relational databases
- databases
- object oriented
- data model
- search engine