Direction-Aware Why-Not Spatial Keyword Top-k Queries.
Lei ChenYafei LiJianliang XuChristian S. JensenPublished in: ICDE (2017)
Keyphrases
- spatial keyword
- query processing
- inverted file
- keywords
- geo tagged
- text retrieval
- user queries
- result set
- query evaluation
- web search engines
- information retrieval systems
- query language
- query logs
- access methods
- search engine
- xpath queries
- data management
- database
- data sources
- xml data
- main memory
- inverted index
- data structure
- database systems