Extracting Temporal Information from Open Domain Text: A Comparative Exploration.
David AhnSisay Fissaha AdafreMaarten de RijkePublished in: J. Digit. Inf. Manag. (2005)
Keyphrases
- open domain
- temporal information
- information extraction
- temporal reasoning
- spatial information
- temporal expressions
- video sequences
- question answering
- temporal patterns
- temporal constraints
- temporal dimension
- visual information
- free text
- web pages
- text retrieval
- information retrieval
- knowledge representation
- domain knowledge
- active learning