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Diffusion models generate synthetic images through an iterative refinement process. However, the misalignment between the simulation-free objective and the iterative process often causes accumulated gradient error along the sampling…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Liangyu Yuan , Yufei Huang , Mingkun Lei , Tong Zhao , Ruoyu Wang , Changxi Chi , Yiwei Wang , Chi Zhang

Intelligent agents should be able to learn useful representations by observing changes in their environment. We model such observations as pairs of non-i.i.d. images sharing at least one of the underlying factors of variation. First, we…

Machine Learning · Computer Science 2020-10-21 Francesco Locatello , Ben Poole , Gunnar Rätsch , Bernhard Schölkopf , Olivier Bachem , Michael Tschannen

Extracting relations from text corpora is an important task in text mining. It becomes particularly challenging when focusing on weakly-supervised relation extraction, that is, utilizing a few relation instances (i.e., a pair of entities…

Computation and Language · Computer Science 2017-12-27 Meng Qu , Xiang Ren , Yu Zhang , Jiawei Han

Weakly-supervised learning has become a popular technology in recent years. In this paper, we propose a novel medical image classification algorithm, called Weakly-Supervised Generative Adversarial Networks (WSGAN), which only uses a small…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Jiawei Mao , Xuesong Yin , Yuanqi Chang , Qi Huang

Owing to the prohibitive costs of generating large amounts of labeled data, programmatic weak supervision is a growing paradigm within machine learning. In this setting, users design heuristics that provide noisy labels for subsets of the…

Machine Learning · Computer Science 2023-10-06 Dylan Sam , J. Zico Kolter

We use numerical simulations of ray tracing through N-body simulations to investigate weak lensing by large-scale structure. These are needed for testing the analytic predictions of two-point correlators, to set error estimates on them and…

Astrophysics · Physics 2007-05-23 Bhuvnesh Jain , Uros Seljak , Simon White

Recent years have witnessed the rapid development of concept map generation techniques due to their advantages in providing well-structured summarization of knowledge from free texts. Traditional unsupervised methods do not generate…

Computation and Language · Computer Science 2023-03-09 Jiaying Lu , Xiangjue Dong , Carl Yang

The absence of labeled data for training neural models is often addressed by leveraging knowledge about the specific task, resulting in heuristic but noisy labels. The knowledge is captured in labeling functions, which detect certain…

Machine Learning · Computer Science 2021-09-17 Luisa März , Ehsaneddin Asgari , Fabienne Braune , Franziska Zimmermann , Benjamin Roth

Constructing good representations is critical for learning complex tasks in a sample efficient manner. In the context of meta-learning, representations can be constructed from common patterns of previously seen tasks so that a future task…

Machine Learning · Computer Science 2021-03-02 Halil Ibrahim Gulluk , Yue Sun , Samet Oymak , Maryam Fazel

As machine learning models continue to increase in complexity, collecting large hand-labeled training sets has become one of the biggest roadblocks in practice. Instead, weaker forms of supervision that provide noisier but cheaper labels…

Machine Learning · Statistics 2018-12-10 Alexander Ratner , Braden Hancock , Jared Dunnmon , Frederic Sala , Shreyash Pandey , Christopher Ré

Large scale analysis of source code, and in particular scientific source code, holds the promise of better understanding the data science process, identifying analytical best practices, and providing insights to the builders of scientific…

Machine Learning · Computer Science 2020-09-01 Ge Zhang , Mike A. Merrill , Yang Liu , Jeffrey Heer , Tim Althoff

We briefly summarize the kernel regression approach, as used recently in materials modelling, to fitting functions, particularly potential energy surfaces, and highlight how the linear algebra framework can be used to both predict and train…

Computational Physics · Physics 2019-02-05 Michele Ceriotti , Michael J. Willatt , Gábor Csányi

As post-training optimization becomes central to improving large language models, we observe a persistent saturation bottleneck: once models grow highly confident, further training yields diminishing returns. While existing methods continue…

Artificial Intelligence · Computer Science 2026-02-10 Zehao Chen , Gongxun Li , Tianxiang Ai , Yifei Li , Zixuan Huang , Wang Zhou , Fuzhen Zhuang , Xianglong Liu , Jianxin Li , Deqing Wang , Yikun Ban

Weakly supervised semantic segmentation (WSSS) trains dense pixel-level segmentation models from partial or coarse annotations such as bounding boxes, scribbles, or image-level tags. While recent work leverages foundation models such as the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Stefano Colamonaco , Andrei-Bogdan Florea , Jaron Maene

Reinforcement learning (RL) is a powerful framework for learning to take actions to solve tasks. However, in many settings, an agent must winnow down the inconceivably large space of all possible tasks to the single task that it is…

Machine Learning · Computer Science 2020-11-19 Lisa Lee , Benjamin Eysenbach , Ruslan Salakhutdinov , Shixiang Shane Gu , Chelsea Finn

Despite the impressive improvements achieved by unsupervised deep neural networks in computer vision and NLP tasks, such improvements have not yet been observed in ranking for information retrieval. The reason may be the complexity of the…

Information Retrieval · Computer Science 2017-05-30 Mostafa Dehghani , Hamed Zamani , Aliaksei Severyn , Jaap Kamps , W. Bruce Croft

Estimating the parameters of a model describing a set of observations using a neural network is in general solved in a supervised way. In cases when we do not have access to the model's true parameters this approach can not be applied.…

Astrophysics of Galaxies · Physics 2020-09-30 Miguel A. Aragon-Calvo

In this paper, we test whether Multimodal Large Language Models (MLLMs) can match human-subject performance in tasks involving the perception of properties in network layouts. Specifically, we replicate a human-subject experiment about…

Human-Computer Interaction · Computer Science 2026-04-10 Jacob Miller , Markus Wallinger , Ludwig Felder , Timo Brand , Henry Förster , Johannes Zink , Chunyang Chen , Stephen Kobourov

An unsupervised shape analysis is proposed to learn concepts reflecting shape commonalities. Our approach is two-fold: i) a spatial topology analysis of point cloud segment constellations within objects is used in which constellations are…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Christian A. Mueller , Andreas Birk

Curation of large fully supervised datasets has become one of the major roadblocks for machine learning. Weak supervision provides an alternative to supervised learning by training with cheap, noisy, and possibly correlated labeling…

Machine Learning · Computer Science 2021-06-01 Chidubem Arachie , Bert Huang