Search Results for author: Valentin Assassi

Found 3 papers, 2 papers with code

Rewarding Chatbots for Real-World Engagement with Millions of Users

no code implementations10 Mar 2023 Robert Irvine, Douglas Boubert, Vyas Raina, Adian Liusie, Ziyi Zhu, Vineet Mudupalli, Aliaksei Korshuk, Zongyi Liu, Fritz Cremer, Valentin Assassi, Christie-Carol Beauchamp, Xiaoding Lu, Thomas Rialan, William Beauchamp

The proposed approach uses automatic pseudo-labels collected from user interactions to train a reward model that can be used to reject low-scoring sample responses generated by the chatbot model at inference time.

Chatbot Language Modelling

Modeling Biased Tracers at the Field Level

2 code implementations26 Nov 2018 Marcel Schmittfull, Marko Simonović, Valentin Assassi, Matias Zaldarriaga

In contrast, for linear bias the mean-square model error can be higher than the Poisson prediction by factors of up to a few on large scales, and it becomes scale dependent already in the linear regime.

Cosmology and Nongalactic Astrophysics

Efficient Evaluation of Cosmological Angular Statistics

2 code implementations14 May 2017 Valentin Assassi, Marko Simonović, Matias Zaldarriaga

In this paper, we provide a simple and fast method to compute the angular power spectrum and bispectrum of any observable.

Cosmology and Nongalactic Astrophysics

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