Search Results for author: Joachims Thorsten

Found 4 papers, 0 papers with code

Estimating Position Bias without Intrusive Interventions

no code implementations12 Dec 2018 Agarwal Aman, Zaitsev Ivan, Wang Xuanhui, Li Cheng, Najork Marc, Joachims Thorsten

Presentation bias is one of the key challenges when learning from implicit feedback in search engines, as it confounds the relevance signal.

counterfactual Learning-To-Rank +1

Improving Recommender Systems Beyond the Algorithm

no code implementations21 Feb 2018 Schnabel Tobias, Bennett Paul N., Joachims Thorsten

To this effect, we explore how changes to the user interface can impact the quality and quantity of feedback data -- and therefore the learning accuracy.

Recommendation Systems

A preference elicitation interface for collecting dense recommender datasets with rich user information

no code implementations27 Jun 2017 Analytis Pantelis P., Schnabel Tobias, Herzog Stefan, Barkoczi Daniel, Joachims Thorsten

We present an interface that can be leveraged to quickly and effortlessly elicit people's preferences for visual stimuli, such as photographs, visual art and screensavers, along with rich side-information about its users.

counterfactual Recommendation Systems

Ranking with social cues: Integrating online review scores and popularity information

no code implementations23 Jun 2017 Analytis Pantelis P., Delfino Alexia, Kämmer Juliane, Moussaïd Mehdi, Joachims Thorsten

The only information presented to participants was the average score and the number of reviews, which served as a proxy for popularity.

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