Coverage and diversity aware top-k query for spatio-temporal posts.
Paras MehtaDimitrios SkoutasDimitris SacharidisAgnès VoisardPublished in: SIGSPATIAL/GIS (2016)
Keyphrases
- spatio temporal
- query processing
- result set
- response time
- skyline queries
- database
- query result
- query evaluation
- query expansion
- user queries
- user defined
- keyword search
- image sequences
- spatio temporal queries
- search result diversification
- query specific
- range queries
- spatial and temporal
- data structure
- social media
- approximate answers
- complex queries
- query formulation
- aggregate queries
- moving objects
- database systems
- ranking list
- scoring functions
- ad hoc retrieval
- space time
- retrieval systems
- database queries
- data objects