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Large pretrained language models (LMs) like BERT have improved performance in many disparate natural language processing (NLP) tasks. However, fine tuning such models requires a large number of training examples for each target task.…

计算与语言 · 计算机科学 2022-01-28 Jixuan Wang , Kuan-Chieh Wang , Frank Rudzicz , Michael Brudno

Few-shot learning arises in important practical scenarios, such as when a natural language understanding system needs to learn new semantic labels for an emerging, resource-scarce domain. In this paper, we explore retrieval-based methods…

计算与语言 · 计算机科学 2021-04-14 Dian Yu , Luheng He , Yuan Zhang , Xinya Du , Panupong Pasupat , Qi Li

Few-shot learning deals with problems such as image classification using very few training examples. Recent vision foundation models show excellent few-shot transfer abilities, but are large and slow at inference. Using knowledge…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Erik Landolsi , Fredrik Kahl

Pretrained language models (PLMs) have shown remarkable few-shot learning capabilities when provided with properly formatted examples. However, selecting the "best" examples remains an open challenge. We propose a complexity-based prompt…

计算与语言 · 计算机科学 2024-08-01 Rishabh Adiga , Lakshminarayanan Subramanian , Varun Chandrasekaran

Choosing an appropriate tokenization scheme is often a bottleneck in low-resource cross-lingual transfer. To understand the downstream implications of text representation choices, we perform a comparative analysis on language models having…

计算与语言 · 计算机科学 2023-10-13 Md Mushfiqur Rahman , Fardin Ahsan Sakib , Fahim Faisal , Antonios Anastasopoulos

Many existing approaches for 3D point cloud semantic segmentation are fully supervised. These fully supervised approaches heavily rely on large amounts of labeled training data that are difficult to obtain and cannot segment new classes…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Na Zhao , Tat-Seng Chua , Gim Hee Lee

Prompting language models (LMs) with training examples and task descriptions has been seen as critical to recent successes in few-shot learning. In this work, we show that finetuning LMs in the few-shot setting can considerably reduce the…

计算与语言 · 计算机科学 2021-07-02 Robert L. Logan , Ivana Balažević , Eric Wallace , Fabio Petroni , Sameer Singh , Sebastian Riedel

Due to high annotation costs making the best use of existing human-created training data is an important research direction. We, therefore, carry out a systematic evaluation of transferability of BERT-based neural ranking models across five…

信息检索 · 计算机科学 2021-11-23 Iurii Mokrii , Leonid Boytsov , Pavel Braslavski

While few-shot learning as a transfer learning paradigm has gained significant traction for scenarios with limited data, it has primarily been explored in the context of building unimodal and unilingual models. Furthermore, a significant…

机器学习 · 计算机科学 2023-03-23 Aman Chadha , Vinija Jain

As the labeling cost for different modules in task-oriented dialog (ToD) systems is expensive, a major challenge is to train different modules with the least amount of labeled data. Recently, large-scale pre-trained language models, have…

计算与语言 · 计算机科学 2021-08-31 Fei Mi , Wanhao Zhou , Fengyu Cai , Lingjing Kong , Minlie Huang , Boi Faltings

While few-shot classification has been widely explored with similarity based methods, few-shot sequence labeling poses a unique challenge as it also calls for modeling the label dependencies. To consider both the item similarity and label…

计算与语言 · 计算机科学 2019-09-10 Yutai Hou , Zhihan Zhou , Yijia Liu , Ning Wang , Wanxiang Che , Han Liu , Ting Liu

In this paper, we study the few-shot multi-label classification for user intent detection. For multi-label intent detection, state-of-the-art work estimates label-instance relevance scores and uses a threshold to select multiple associated…

计算与语言 · 计算机科学 2020-10-13 Yutai Hou , Yongkui Lai , Yushan Wu , Wanxiang Che , Ting Liu

Few-shot learning (FSL) has attracted considerable attention recently. Among existing approaches, the metric-based method aims to train an embedding network that can make similar samples close while dissimilar samples as far as possible and…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Bin Xiao , Chien-Liang Liu , Wen-Hoar Hsaio

Many tasks related to Computational Social Science and Web Content Analysis involve classifying pieces of text based on the claims they contain. State-of-the-art approaches usually involve fine-tuning models on large annotated datasets,…

计算与语言 · 计算机科学 2024-05-10 Sandrine Chausson , Björn Ross

Few-shot algorithms aim at learning new tasks provided only a handful of training examples. In this work we investigate few-shot learning in the setting where the data points are sequences of tokens and propose an efficient learning…

机器学习 · 计算机科学 2020-12-18 Lajanugen Logeswaran , Ann Lee , Myle Ott , Honglak Lee , Marc'Aurelio Ranzato , Arthur Szlam

Few-shot learning requires to recognize novel classes with scarce labeled data. Prototypical network is useful in existing researches, however, training on narrow-size distribution of scarce data usually tends to get biased prototypes. In…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Jinlu Liu , Liang Song , Yongqiang Qin

Argument mining algorithms analyze the argumentative structure of essays, making them a valuable tool for enhancing education by providing targeted feedback on the students' argumentation skills. While current methods often use encoder or…

计算与语言 · 计算机科学 2025-11-13 Lucile Favero , Juan Antonio Pérez-Ortiz , Tanja Käser , Nuria Oliver

This study proposes a medical entity extraction method based on Transformer to enhance the information extraction capability of medical literature. Considering the professionalism and complexity of medical texts, we compare the performance…

计算与语言 · 计算机科学 2025-04-08 Xiaokai Wang , Guiran Liu , Binrong Zhu , Jacky He , Hongye Zheng , Hanlu Zhang

Prompt-based fine-tuning has become an essential method for eliciting information encoded in pre-trained language models for a variety of tasks, including text classification. For multi-class classification tasks, prompt-based fine-tuning…

计算与语言 · 计算机科学 2024-10-04 Zhiwen You , Kanyao Han , Haotian Zhu , Bertram Ludäscher , Jana Diesner

In recent years, pretrained language models have revolutionized the NLP world, while achieving state of the art performance in various downstream tasks. However, in many cases, these models do not perform well when labeled data is scarce…

计算与语言 · 计算机科学 2022-04-06 Liat Ein-Dor , Ilya Shnayderman , Artem Spector , Lena Dankin , Ranit Aharonov , Noam Slonim