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ECIR2016 short paper on “Probabilistic Multileave Gradient Descent” accepted ?>

ECIR2016 short paper on “Probabilistic Multileave Gradient Descent” accepted

Our paper “Probabilistic Multileave Gradient Descent” with Harrie Oosterhuis, Anne Schuth,  and Maarten de Rijke was accepted at ECIR2016.

Online learning to rank methods aim to optimize ranking models based on user interactions. The dueling bandit gradient descent (DBGD) algorithm is able to effectively optimize linear ranking models solely from user interactions. We propose an extension of DBGD, called probabilistic multileave gradient descent (P-MGD) that builds on probabilistic multileave, a recently proposed highly sensitive and unbiased online evaluation method. We demonstrate that P-MGD significantly outperforms state-of-the-art online learning to rank methods in terms of online performance, without sacrificing offline performance and at greater learning speed.

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