An experimental comparison of click position-bias models
@inproceedings{Craswell2008AnEC,
title={An experimental comparison of click position-bias models},
author={Nick Craswell and O. Zoeter and M. Taylor and Bill Ramsey},
booktitle={WSDM '08},
year={2008}
}Search engine click logs provide an invaluable source of relevance information, but this information is biased. A key source of bias is presentation order: the probability of click is influenced by a document's position in the results page. This paper focuses on explaining that bias, modelling how probability of click depends on position. We propose four simple hypotheses about how position bias might arise. We carry out a large data-gathering effort, where we perturb the ranking of a major… CONTINUE READING
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