EWG on Preference Handling

Advances in Preference Handling

Multidisciplinary Working Group affiliated to EURO

This blog provides news and announcements related to research on preference handling.

Mar 6, 2026

Quai de la Dorade Toulouse

THE IMPACT OF PREFERENCE LEARNING

This article discusses preference learning in large language models. Whereas reinforcement learning with human feedback learns an explicit reward function from preference data, direct preference optimization shortcuts this process. Furthermore, the article wraps up M-PREF 2025 and gives an outlook on this year’s events on preference handling with a focus on DA2PL 2026 and ADT 2026.

Apr 28, 2025

Quai de la Dorade Toulouse

THE 50TH ANNIVERSARY PARADE

In 2020, we had planned the annual meeting of the working group on preference handling in Santiago de Compostela, Spain, at the European Conference on Artificial Intelligence (ECAI). However, due to the pandemic, this conference was transformed into an online format and Santiago de Compostela got a second chance to organize ECAI in 2024 …
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Jun 2, 2024

Quai de la Dorade Toulouse

A PLEASANT TURN OF EVENTS

The preparation of the 14th Multidisciplinary Workshop on Advances in Preference Handling M-PREF 2023 encountered several challenges, but ended with an excellent event. M-PREF 2023 has been held on August 21, 2023 in Macao, S.A.R. in conjunction with IJCAI 2023. M-PREF 2023 has been organized by Haris Aziz, Ulrich Junker, Xinhang Lu, Nicholas Mattei, and Andrea Passerini …
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Apr 24, 2023

Quai de la Dorade Toulouse

DA2PL 2022: THE MOMENTS OF DECISION MAKING

When are decisions made? The answer to this question may be obvious. Usually, decisions are made just in time. For example, we choose a restaurant just before going out for lunch. Or we choose a product just when we want to buy it. Making a decision earlier does not make much sense as we don’t know all the available alternatives in advance.

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Dec 16, 2022

Quai de la Dorade Toulouse

M-PREF 2022: A MULTITUDE OF IMPRESSIONS

What is the opposite of preferences? The opposite of a particular preference between two alternatives may be the inverse preference. For example, if we prefer speaking to writing, we may say that the opposite of this preference is preferring writing to speaking. But what is the opposite of the concept of preference? We may say that this is the absence of preference, that means indifference.

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