Distributed top-k similarity query on big trajectory streams.
Zhigang ZhangXiaodong QiYilin WangCheqing JinJiali MaoAoying ZhouPublished in: Frontiers Comput. Sci. (2019)
Keyphrases
- query processing
- user defined
- finding similar
- communication cost
- database
- response time
- result set
- similarity queries
- heterogeneous databases
- query result
- similarity computation
- query evaluation
- continuous queries
- skyline queries
- similarity measure
- database queries
- similarity graph
- range queries
- user queries
- data streams
- distributed systems
- highly relevant
- ranking list
- semantic similarity
- retrieval systems
- query optimization
- spatial proximity
- candidate set
- similarity scores
- distributed environment
- data structure
- scoring functions
- distributed information retrieval
- distance computation
- data management
- query execution
- inverted index
- query terms
- information retrieval systems
- data sources
- peer to peer
- efficient processing
- document collections
- proximity search
- unstructured p p systems