Detection of opinion spam based on anomalous rating deviation.
David SavageXiuzhen ZhangXinghuo YuPauline Lienhua ChouQingmai WangPublished in: CoRR (2016)
Keyphrases
- anomaly detection
- spam detection
- automatic detection
- detection algorithm
- false positives
- collaborative filtering
- detection method
- product reviews
- object detection
- sentiment analysis
- detecting anomalous
- data sets
- detect anomalies
- false alarms
- recommender systems
- spam filtering
- detection accuracy
- detection scheme
- online reviews
- learning algorithm