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We present $\Gamma$-nets, a method for generalizing value function estimation over timescale. By using the timescale as one of the estimator's inputs we can estimate value for arbitrary timescales. As a result, the prediction target for any…

Machine Learning · Computer Science 2020-10-20 Craig Sherstan , Shibhansh Dohare , James MacGlashan , Johannes Günther , Patrick M. Pilarski

Machine learning algorithms often take inspiration from established results and knowledge from statistical physics. A prototypical example is the Boltzmann machine algorithm for supervised learning, which utilizes knowledge of classical…

Statistical Mechanics · Physics 2018-12-04 Tatjana Puskarov , Axel Cortes Cubero

Determining the optimal data mixture for large language model training remains a challenging problem with an outsized impact on performance. In practice, language model developers continue to rely on heuristic exploration since no…

Generalized Estimation Equations (GEE) are a well-known method for the analysis of non-Gaussian longitudinal data. This method has computational simplicity and marginal parameter interpretation. However, in the presence of missing data, it…

Methodology · Statistics 2015-06-16 José Luiz P. da Silva , Enrico A. Colosimo , Fábio N. Demarqui

Multi-task robot learning holds significant importance in tackling diverse and complex scenarios. However, current approaches are hindered by performance issues and difficulties in collecting training datasets. In this paper, we propose…

Robotics · Computer Science 2024-04-10 Wenxuan Song , Han Zhao , Pengxiang Ding , Can Cui , Shangke Lyu , Yaning Fan , Donglin Wang

We develop the use of mutual information (MI), a well-established metric in information theory, to interpret the inner workings of deep learning models. To accurately estimate MI from a finite number of samples, we present GMM-MI…

Data Analysis, Statistics and Probability · Physics 2023-04-12 Davide Piras , Hiranya V. Peiris , Andrew Pontzen , Luisa Lucie-Smith , Ningyuan Guo , Brian Nord

The overarching problem in artificial intelligence (AI) is that we do not understand the intelligence process well enough to enable the development of adequate computational models. Much work has been done in AI over the years at lower…

Artificial Intelligence · Computer Science 2018-11-16 Paul Yaworsky

All text-based language problems can be reduced to either generation or embedding. Current models only perform well at one or the other. We introduce generative representational instruction tuning (GRIT) whereby a large language model is…

Computation and Language · Computer Science 2025-03-04 Niklas Muennighoff , Hongjin Su , Liang Wang , Nan Yang , Furu Wei , Tao Yu , Amanpreet Singh , Douwe Kiela

Generalization is the ability of machine learning models to make accurate predictions on new data by learning from training data. However, understanding generalization of quantum machine learning models has been a major challenge. Here, we…

Quantum Physics · Physics 2024-08-07 Tobias Haug , M. S. Kim

Addressing biases in AI models is crucial for ensuring fair and accurate predictions. However, obtaining large, unbiased datasets for training can be challenging. This paper proposes a comprehensive approach using multiple methods to remove…

Machine Learning · Computer Science 2024-02-15 Ahmed Radwan , Layan Zaafarani , Jetana Abudawood , Faisal AlZahrani , Fares Fourati

Large Language Models have revolutionized numerous tasks with their remarkable efficacy. However, editing these models, crucial for rectifying outdated or erroneous information, often leads to a complex issue known as the ripple effect in…

Computation and Language · Computer Science 2024-10-21 Jianchen Wang , Zhouhong Gu , Xiaoxuan Zhu , Lin Zhang , Haoning Ye , Zhuozhi Xiong , Hongwei Feng , Yanghua Xiao

The substantial increase in AI model training has considerable environmental implications, mandating more energy-efficient and sustainable AI practices. On the one hand, data-centric approaches show great potential towards training…

Machine Learning · Computer Science 2024-02-20 Mohammed Alswaitti , Roberto Verdecchia , Grégoire Danoy , Pascal Bouvry , Johnatan Pecero

This paper develops a unified estimation framework, the Maximum Ideal Likelihood Estimation (MILE), for general parametric models with latent variables. Unlike traditional approaches relying on the marginal likelihood of the observed data,…

Statistics Theory · Mathematics 2025-10-08 Yizhou Cai , Ting Fung Ma

This study introduces a new methodology for an Inference Index (InI), called INFerence INdex In Testing model Effectiveness methodology (INFINITE), aiming to evaluate the performance of Large Language Models (LLMs) in code generation tasks.…

Software Engineering · Computer Science 2025-04-10 Nicholas Christakis , Dimitris Drikakis

Recent advancements in large language models (LLMs) have significantly improved code generation and program comprehension, accelerating the evolution of software engineering. Current methods primarily enhance model performance by leveraging…

Computation and Language · Computer Science 2025-07-04 Weijie Lyu , Sheng-Jun Huang , Xuan Xia

Item response theory (IRT) can be applied to the analysis of the evaluation of results from AI benchmarks. The two-parameter IRT model provides two indicators (difficulty and discrimination) on the side of the item (or AI problem) while…

Artificial Intelligence · Computer Science 2019-03-25 Fernando Martínez-Plumed , José Hernández-Orallo

The performance of Large Language Models (LLMs) is increasingly governed by data efficiency rather than raw scaling volume. However, existing selection methods often decouple global distribution balancing from local instance selection,…

Computation and Language · Computer Science 2026-03-03 Changhao Wang , Jiaolong Yang , Xinhao Yao , Yunfei Yu , Peng Jiao , Lu Yu , Junpeng Fang , Riccardo Cantoro , Qing Cui , Jun Zhou

Researchers train neural simulators on uniformly sampled numerical simulation data. But under the same budget, does systematically sampled data provide the most effective information? A fundamental yet unformalized problem is how to sample…

Machine Learning · Computer Science 2026-03-20 Wenshuo Wang , Fan Zhang

In order to increase the effectiveness of model training, data reduction is essential to data-centric Artificial Intelligence (AI). It achieves this by locating the most instructive examples in massive datasets. To increase data quality and…

Machine Learning · Computer Science 2025-08-11 Fei Chen , Wenchi Zhou

Regularized m-estimators are widely used due to their ability of recovering a low-dimensional model in high-dimensional scenarios. Some recent efforts on this subject focused on creating a unified framework for establishing oracle bounds,…

Methodology · Statistics 2023-09-06 Eduardo F. Mendes , Gabriel J. P. Pinto