Discovering Emerging Topics in Social Streams via Link Anomaly Detection
Toshimitsu TakahashiRyota TomiokaKenji YamanishiPublished in: CoRR (2011)
Keyphrases
- anomaly detection
- emerging topics
- social media
- intrusion detection
- statistical analysis and data mining
- detecting anomalies
- network intrusion detection
- network traffic
- hot topics
- intrusion detection system
- novelty detection
- anomalous behavior
- detect anomalies
- social networks
- data streams
- one class support vector machines
- unsupervised learning
- network anomaly detection
- negative selection algorithm
- public opinion
- text classification
- principal component analysis
- training data