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Article Dans Une Revue Electronic Commerce Research and Applications Année : 2022

Are Search Engines Biased? Detecting and Reducing Bias using Meta Search Engines

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The search neutrality debate stems from content or service providers complaining about being discriminated and therefore losing market shares due to an unfairly low ranking given by search engines. Those questions stress the need for methodologies and tools to verify bias in search engine rankings and analyze their potential impact. We develop in this paper a simple yet effective framework comparing the results of existing search engines. We present statistical tests based on outlier detection pointing out potential biases, and introduce two meta engines aiming at reducing bias. All this is implemented in a publicly-available tool from which extensive comparisons and bias investigations are carried out.
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hal-03150446 , version 1 (23-02-2021)

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Patrick Maillé, Gwen Maudet, Mathieu Simon, Bruno Tuffin. Are Search Engines Biased? Detecting and Reducing Bias using Meta Search Engines. Electronic Commerce Research and Applications, 2022, ⟨10.1016/j.elerap.2022.101132⟩. ⟨hal-03150446⟩
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