An Efficient Distributed Spatiotemporal Index for Parallel Top-k Frequent Terms Query.
Hong Van LeAtsuhiro TakasuPublished in: BigComp (2022)
Keyphrases
- query processing
- database
- unstructured p p systems
- inverted index
- query terms
- original query
- response time
- indexing techniques
- result set
- exact match
- index terms
- communication cost
- heterogeneous databases
- user defined
- query result
- distributed environment
- user queries
- database queries
- index structure
- query expansion
- candidate set
- relevance feedback
- similarity search
- data sources
- co occurrence
- data objects
- parallel execution
- continuously moving
- aggregate queries
- inverted file
- range queries
- multi dimensional
- data structure
- keywords