A Density-Based Approach to the Retrieval of Top-K Spatial Textual Clusters.
Dingming WuChristian S. JensenPublished in: CIKM (2016)
Keyphrases
- clustering algorithm
- spatial clustering
- arbitrary shape
- query expansion
- retrieval systems
- natural language
- spatial data
- information retrieval systems
- test collection
- image database
- density based clustering algorithm
- information retrieval
- searching in metric spaces
- textual descriptions
- spatial relationships
- hierarchical clustering
- cluster analysis
- retrieval model
- spatial and temporal
- document retrieval
- spatial information
- data points
- query processing
- spatio temporal
- keywords
- user defined
- document clustering
- fuzzy clustering
- fuzzy c means
- multimedia databases
- textual information
- relevance feedback
- grid cells