FairSearch: A Tool For Fairness in Ranked Search Results
FairSearch: A Tool For Fairness in Ranked Search Results
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DOI:
10.1145/3366424.3383534
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发表时间:
2018-05
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影响因子:
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通讯作者:
Meike Zehlike;Tom Sühr;C. Castillo;Ivan Kitanovski
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文献类型:
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作者:
Meike Zehlike;Tom Sühr;C. Castillo;Ivan Kitanovski
Ranked search results and recommendations have become the main mechanism by which we find content, products, places, and people online. With hiring, selecting, purchasing, and dating being increasingly mediated by algorithms, rankings may determine business opportunities, education, access to benefits, and even social success. It is therefore of societal and ethical importance to ask whether search results can demote, marginalize, or exclude individuals of unprivileged groups or promote products with undesired features. In this paper we present FairSearch, the first fair open source search API to provide fairness notions in ranked search results. We implement two well-known algorithms from the literature, namely FA*IR (Zehlike et al., 9) and DELTR (Zehlike and Castillo, 10) and provide them as stand-alone libraries in Python and Java. Additionally we implement interfaces to Elasticsearch for both algorithms, a well-known search engine API based on Apache Lucene. The interfaces use the aforementioned Java libraries and enable search engine developers who wish to ensure fair search results of different styles to easily integrate DELTR and FA*IR into their existing Elasticsearch environment.