Extracting spatiotemporal and semantic events from documents.
Wei WangKathleen StewartPublished in: GIR (2013)
Keyphrases
- semantic information
- semantic relationships
- time stamped
- spatiotemporal patterns
- semantic content
- document content
- semantically related
- information retrieval
- linguistic analysis
- document collections
- semantic relevance
- video event
- unstructured documents
- space time
- information retrieval systems
- xml documents
- semantic structure
- text documents
- keywords
- news stories
- metadata
- document centric
- web information
- document clustering
- event detection
- document classification
- document representation
- arabic text
- related concepts
- document space
- web documents
- linguistic information
- semantic representation
- spatial and temporal
- natural language text
- semantic features
- moving objects
- semantic classes
- text mining
- semantic web
- semantic video retrieval
- retrieval systems
- word pairs
- sports video
- document retrieval
- vector space model
- controlled vocabulary
- relevant documents
- information extraction
- spatio temporal
- sentence similarity
- temporal relations
- natural language
- high level
- query terms