Density-based spatial keyword querying.
Li ZhangXiaoping SunHai ZhugePublished in: Future Gener. Comput. Syst. (2014)
Keyphrases
- spatial keyword
- inverted file
- keywords
- geo tagged
- information retrieval systems
- text retrieval
- access methods
- web search
- databases
- retrieval model
- indexing method
- user generated
- main memory
- search engine
- web documents
- query language
- information retrieval
- keyword search
- retrieval method
- indexing structure
- data points
- probabilistic model