Towards Why-Not Spatial Keyword Top-k Queries: A Direction-Aware Approach.
Lei ChenYafei LiJianliang XuChristian S. JensenPublished in: IEEE Trans. Knowl. Data Eng. (2018)
Keyphrases
- spatial keyword
- query processing
- inverted file
- keywords
- query language
- information retrieval systems
- result set
- geo tagged
- query evaluation
- range queries
- database
- document collections
- text retrieval
- user queries
- access methods
- web search
- data sources
- retrieval model
- index structure
- r tree
- indexing techniques
- data management
- inverted index
- multimedia
- databases