For a few dollars less: identifying review pages sans human labels

Authors:
Luciano Barbosa;Ravi Kumar;Bo Pang;Andrew Tomkins
Affiliations:
University of Utah, Salt Lake City, UT;Yahoo! Research, Sunnyvale, CA;Yahoo! Research, Sunnyvale, CA;Yahoo! Research, Sunnyvale, CA
Venue:
NAACL '09 Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics
Year:
2009

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Abstract

We address the problem of large-scale automatic detection of online reviews without using any human labels. We propose an efficient method that combines two basic ideas: Building a classifier from a large number of noisy examples and using the structure of the website to enhance the performance of this classifier. Experiments suggest that our method is competitive against supervised learning methods that mandate expensive human effort.