Keyphrases
- domain knowledge
- news stories
- news articles
- news media
- online news
- similarity measure
- citation analysis
- news items
- domain experts
- domain ontology
- event detection
- topics covered
- information retrieval
- temporal information
- topic models
- news topics
- text streams
- structural similarity
- edit distance
- human activities
- euclidean distance
- background knowledge
- topic modeling
- similarity measurement
- similarity metric
- event recognition
- concept space
- knowledge sources
- citation networks
- social media
- temporal order
- news events
- distance measure