Search Results for author: Sebastian Bruch

Found 5 papers, 2 papers with code

Modeling Text with Decision Forests using Categorical-Set Splits

no code implementations21 Sep 2020 Mathieu Guillame-Bert, Sebastian Bruch, Petr Mitrichev, Petr Mikheev, Jan Pfeifer

We define a condition that is specific to categorical-set features -- defined as an unordered set of categorical variables -- and present an algorithm to learn it, thereby equipping decision forests with the ability to directly model text, albeit without preserving sequential order.

Text Classification

An Alternative Cross Entropy Loss for Learning-to-Rank

no code implementations22 Nov 2019 Sebastian Bruch

Listwise learning-to-rank methods form a powerful class of ranking algorithms that are widely adopted in applications such as information retrieval.

Information Retrieval Learning-To-Rank

Learning Groupwise Multivariate Scoring Functions Using Deep Neural Networks

2 code implementations11 Nov 2018 Qingyao Ai, Xuanhui Wang, Sebastian Bruch, Nadav Golbandi, Michael Bendersky, Marc Najork

To overcome this limitation, we propose a new framework for multivariate scoring functions, in which the relevance score of a document is determined jointly by multiple documents in the list.


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