Event detection in finance using hierarchical clustering algorithms on news and tweets.
Salvatore CartaSergio ConsoliLuca PirasAlessandro Sebastian PoddaDiego Reforgiato RecuperoPublished in: PeerJ Comput. Sci. (2021)
Keyphrases
- event detection
- hierarchical clustering algorithms
- news articles
- social media
- hierarchical clustering
- micro blogging
- user generated content
- single link
- clustering algorithm
- video event detection
- k means
- event recognition
- activity recognition
- video analysis
- news stories
- data sets
- social networks
- hierarchical clustering algorithm
- natural language processing
- feature selection
- machine learning
- named entities
- clustering method
- user generated
- parameter free
- sports video