Beyond position - spatial context for mobile information retrieval systems.
Dirk AhlersSusanne BollPublished in: WPNC (2009)
Keyphrases
- information retrieval systems
- spatial context
- spatial and temporal
- temporal context
- contextual information
- spatial relationships
- information retrieval
- query expansion
- spatial information
- user queries
- mobile devices
- retrieval systems
- inverted file
- document collections
- relevant documents
- image regions
- context aware
- relevance feedback
- document indexing
- space time
- language model
- spatial data
- access methods
- feature extraction
- multimedia
- retrieval engine
- computer vision