Keyphrases
- outlier detection
- web spam
- data cleaning
- spam detection
- fraud detection
- search engine
- spam classification
- web spam detection
- link structure
- knowledge discovery
- web pages
- web search engines
- detection algorithm
- detecting outliers
- credit card fraud detection
- data streams
- link analysis
- detect outliers
- density ratio estimation
- data mining
- web search
- active learning
- learning algorithm
- databases
- multi class