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Katarzyna (Kasia) Kobalczyk
Katarzyna (Kasia) Kobalczyk
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Preference Learning for AI Alignment: a Causal Perspective
We propose to adopt a causal framework for preference learning to define and address challenges like causal misidentification, preference heterogeneity, and crucially, confounding due to user-specific objectives.
Kasia Kobalczyk, Mihaela van der Schaar
May 1, 2025
openreview arXiv PDF code
Preference Learning for AI Alignment: a Causal Perspective
The Synergy of LLMs & RL Unlocks Offline Learning of Generalizable Language-Conditioned Policies with Low-fidelity Data
We train LLM agents as Language-conditioned policies without requiring expensive labeled data or online experimentation. The framework leverages LLMs to enable the use of unlabeled datasets and improve generalization to unseen goals and states.
Thomas Pouplin, Kasia Kobalczyk, Hao Sun, Mihaela van der Schaar
May 1, 2025
openreview arXiv PDF code
The Synergy of LLMs & RL Unlocks Offline Learning of Generalizable Language-Conditioned Policies with Low-fidelity Data
Active Task Disambiguation with LLMs
This paper formalizes task ambiguity in tasks specified in natural language and frames task disambiguation through Bayesian Experimental Design, leading to more effective strategies for LLMs to pose clarifying questions.
Kasia Kobalczyk, Nicolás Astorga, Tennison Liu, Mihaela van der Schaar
Jan 22, 2025
openreview arXiv PDF code
Active Task Disambiguation with LLMs
Towards Automated Knowledge Integration From Human-Interpretable Representations
We introduce the paradigm of informed meta-learning, a novel approach to inductive bias specification based on human knowledge represented in any form, including unstructured natural language.
Kasia Kobalczyk, Mihaela van der Schaar
Jan 22, 2025
openreview arXiv PDF code
Towards Automated Knowledge Integration From Human-Interpretable Representations
Tabular Few-Shot Generalization Across Heterogenous Feature Spaces
We introduce new tabular few-shot learning solution capable of knowledge sharing between datasets with heterogenous sets of columns.
Max Zhu, Kasia Kobalczyk, Andrija Petrovic, Mladen Nikolic, Mihaela van der Schaar, Pietro Lio, Boris Delibašić
Sep 22, 2023
arXiv PDF
Tabular Few-Shot Generalization Across Heterogenous Feature Spaces
cegpy: Modelling with chain event graphs in Python
Chain event graphs (CEGs) are a recent family of probabilistic graphical models that generalise the popular Bayesian networks (BNs) family. In this paper, we present cegpy—the first Python implementation of CEGs and the first across all languages to support structurally asymmetric processes.
Gareth Walley, Aditi Shenvi, Peter Strong, Kasia Kobalczyk
Aug 15, 2023
ScienceDirect PDF code docs
cegpy: Modelling with chain event graphs in Python

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