Categorical top-k spatial influence query.
Jianye YangWenjie ZhangYing ZhangXiaoyang WangXuemin LinPublished in: World Wide Web (2017)
Keyphrases
- query processing
- query result
- result set
- database
- spatial queries
- spatial proximity
- response time
- spatial data
- range queries
- spatial index
- user queries
- query expansion
- user defined
- skyline queries
- spatial features
- query evaluation
- relevance feedback
- spatio temporal
- spatial information
- highly relevant
- data structure
- database systems
- candidate set
- spatial relationships
- ranking list
- complex queries
- efficient processing
- databases
- proximity search
- scoring functions
- categorical data
- spatial databases
- keywords
- scoring function
- cost model
- spatial relations
- approximate answers
- inverted lists
- data objects
- index structure
- search engine