Top-k Closest Pair Queries over Spatial Knowledge Graph.
Fangwei WuXike XieJieming ShiPublished in: DASFAA (1) (2021)
Keyphrases
- spatial knowledge
- query processing
- spatial reasoning
- query language
- user defined
- result set
- approximate answers
- skyline queries
- graph structure
- user queries
- proximity search
- aggregation queries
- directed graph
- query evaluation
- nearest neighbor
- database systems
- web search engines
- database queries
- range queries
- query result
- pairwise
- random walk
- similarity scores
- multiscale
- spatial relations
- structured data
- index structure
- exact and approximate
- candidate set
- data points
- machine learning