Event detection from online news documents for supporting environmental scanning.
Chih-Ping WeiYen-Hsien LeePublished in: Decis. Support Syst. (2004)
Keyphrases
- event detection
- online news
- news stories
- news articles
- document summaries
- text documents
- topic detection
- text streams
- event recognition
- video event detection
- activity recognition
- information retrieval
- document collections
- information retrieval systems
- text mining
- xml documents
- metadata
- keywords
- document clustering
- retrieval systems
- text data
- multi document summarization
- document level
- bag of words
- wordnet
- active learning
- learning algorithm