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Recent advances in large pretrained language models have increased attention to zero-shot text classification. In particular, models finetuned on natural language inference datasets have been widely adopted as zero-shot classifiers due to…

Computation and Language · Computer Science 2022-11-01 Ariel Gera , Alon Halfon , Eyal Shnarch , Yotam Perlitz , Liat Ein-Dor , Noam Slonim

Financial time series forecasting is central to trading, portfolio optimization, and risk management, yet it remains challenging due to noisy, non-stationary, and heterogeneous data. Recent advances in time series foundation models (TSFMs),…

Computational Finance · Quantitative Finance 2025-11-25 Eghbal Rahimikia , Hao Ni , Weiguan Wang

Time series classification (TSC) is a core machine learning problem with broad applications. Recently there has been growing interest in repurposing large language models (LLMs) for TSC, motivated by their strong reasoning and…

Machine Learning · Computer Science 2026-01-16 Hansen He , Shuheng Li

While deep learning, including Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs), has significantly advanced classification performance, its typical reliance on extensive annotated datasets presents a major obstacle in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Matheus Vinícius Todescato , Joel Luís Carbonera

Building models that generalize across physical systems without retraining remains a central challenge in computational science. Here we introduce In-Context Modeling (ICM), a retrain-free paradigm that infers physical relationships…

Computational Engineering, Finance, and Science · Computer Science 2026-04-28 Lingfeng Li , Zhuoyuan Li , Shun Li , Kaixin Zhan , Huajian Gao , Changqing Chen , Liu Yang

Zero-shot text classifiers based on label descriptions embed an input text and a set of labels into the same space: measures such as cosine similarity can then be used to select the most similar label description to the input text as the…

Computation and Language · Computer Science 2022-05-25 Angelo Basile , Marc Franco-Salvador , Paolo Rosso

Zero-shot classification (ZSC) is the task of learning predictors for classes not seen during training. Although the different methods in the literature are evaluated using the same class splits, little is known about their stability under…

Machine Learning · Computer Science 2021-03-03 Matías Molina , Jorge Sánchez

Zero shot learning in Image Classification refers to the setting where images from some novel classes are absent in the training data but other information such as natural language descriptions or attribute vectors of the classes are…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Ashish Mishra , M Shiva Krishna Reddy , Anurag Mittal , Hema A Murthy

Text-to-image generation has traditionally focused on finding better modeling assumptions for training on a fixed dataset. These assumptions might involve complex architectures, auxiliary losses, or side information such as object part…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Aditya Ramesh , Mikhail Pavlov , Gabriel Goh , Scott Gray , Chelsea Voss , Alec Radford , Mark Chen , Ilya Sutskever

How can we reuse existing knowledge, in the form of available datasets, when solving a new and apparently unrelated target task from a set of unlabeled data? In this work we make a first contribution to answer this question in the context…

Computer Vision and Pattern Recognition · Computer Science 2015-10-07 Efstratios Gavves , Thomas Mensink , Tatiana Tommasi , Cees G. M. Snoek , Tinne Tuytelaars

Heterogeneity in time series data is more pronounced than in vision or language, as temporal dynamics vary substantially across domains and tasks. Existing efforts on training time series foundation models (TSFMs) from scratch are often…

Machine Learning · Computer Science 2026-04-09 Shengchao Chen , Guodong Long , Dikai Liu , Jing Jiang

Zero-Shot Learning (ZSL) aims at classifying unlabeled objects by leveraging auxiliary knowledge, such as semantic representations. A limitation of previous approaches is that only intrinsic properties of objects, e.g. their visual…

Computer Vision and Pattern Recognition · Computer Science 2019-05-01 Eloi Zablocki , Patrick Bordes , Benjamin Piwowarski , Laure Soulier , Patrick Gallinari

Audio-visual generalised zero-shot learning for video classification requires understanding the relations between the audio and visual information in order to be able to recognise samples from novel, previously unseen classes at test time.…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Otniel-Bogdan Mercea , Thomas Hummel , A. Sophia Koepke , Zeynep Akata

Zero-shot learning strives to classify unseen categories for which no data is available during training. In the generalized variant, the test samples can further belong to seen or unseen categories. The state-of-the-art relies on Generative…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Sanath Narayan , Akshita Gupta , Fahad Shahbaz Khan , Cees G. M. Snoek , Ling Shao

Building energy management (BEM) tasks require processing and learning from a variety of time-series data. Existing solutions rely on bespoke task- and data-specific models to perform these tasks, limiting their broader applicability.…

Machine Learning · Computer Science 2025-06-16 Ozan Baris Mulayim , Pengrui Quan , Liying Han , Xiaomin Ouyang , Dezhi Hong , Mario Bergés , Mani Srivastava

Sentence encoders have indeed been shown to achieve superior performances for many downstream text-mining tasks and, thus, claimed to be fairly general. Inspired by this, we performed a detailed study on how to leverage these sentence…

Computation and Language · Computer Science 2023-04-18 Souvika Sarkar , Dongji Feng , Shubhra Kanti Karmaker Santu

While recent advancements in foundation models have significantly impacted machine learning, rigorous tests on the performance of time series foundation models (TSFMs) remain largely underexplored. This paper presents an empirical study…

Machine Learning · Computer Science 2025-01-09 Syamantak Datta Gupta

Although recent advancements in learning-based analog circuit design automation have tackled tasks such as topology generation, device sizing, and layout synthesis, efficient performance evaluation remains a major bottleneck. Traditional…

Machine Learning · Computer Science 2025-11-12 Xiaomeng Yang , Jian Gao , Yanzhi Wang , Xuan Zhang

Foundation models for time series imputation remain largely unexplored. Recently, two such models, TabPFN-TS and MoTM, have emerged. These models share a common philosophy that places them within the family of time-indexed foundation…

Machine Learning · Computer Science 2026-02-11 Etienne Le Naour , Tahar Nabil , Adrien Petralia , Ghislain Agoua

This paper focuses on the task of Extreme Multi-Label Classification (XMC) whose goal is to predict multiple labels for each instance from an extremely large label space. While existing research has primarily focused on fully supervised…

Machine Learning · Computer Science 2024-04-16 Yaxin Zhu , Hamed Zamani