Answering why-not spatial keyword top-k queries via keyword adaption.
Lei ChenJianliang XuXin LinChristian S. JensenHaibo HuPublished in: ICDE (2016)
Keyphrases
- spatial keyword
- keywords
- query processing
- inverted file
- approximate answers
- keyword queries
- proximity search
- search queries
- geo tagged
- user queries
- query language
- query evaluation
- web search engines
- search engine
- database
- information retrieval systems
- range queries
- web search
- keyword search
- xml data
- social networks
- access methods
- text retrieval
- database systems
- structured data
- index structure
- materialized views
- r tree
- document collections
- information extraction
- web documents