Discovering Emerging Topics in Social Streams via Link-Anomaly Detection.
Toshimitsu TakahashiRyota TomiokaKenji YamanishiPublished in: IEEE Trans. Knowl. Data Eng. (2014)
Keyphrases
- anomaly detection
- emerging topics
- social media
- intrusion detection
- detecting anomalies
- anomalous behavior
- network intrusion detection
- statistical analysis and data mining
- network traffic
- hot topics
- social networks
- data streams
- intrusion detection system
- novelty detection
- text streams
- one class support vector machines
- network anomaly detection
- unsupervised learning
- event detection
- pairwise
- detect anomalies
- data sets
- maximum likelihood
- public opinion
- information extraction
- negative selection algorithm