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User-generated reviews can be decomposed into fine-grained segments (e.g., sentences, clauses), each evaluating a different aspect of the principal entity (e.g., price, quality, appearance). Automatically detecting these aspects can be…

机器学习 · 计算机科学 2019-09-04 Giannis Karamanolakis , Daniel Hsu , Luis Gravano

Datasets may contain observations with multiple labels. If the labels are not mutually exclusive, and if the labels vary greatly in frequency, obtaining a sample that includes sufficient observations with scarcer labels to make inferences…

机器学习 · 计算机科学 2026-05-27 Simon Chung , Colby J. Vorland , Donna L. Maney , Andrew W. Brown

We consider the problem of semi-supervised few-shot classification where a classifier needs to adapt to new tasks using a few labeled examples and (potentially many) unlabeled examples. We propose a clustering approach to the problem. The…

机器学习 · 计算机科学 2018-04-26 Rinu Boney , Alexander Ilin

Existing weakly-supervised semantic segmentation methods using image-level annotations typically rely on initial responses to locate object regions. However, such response maps generated by the classification network usually focus on…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Yu-Ting Chang , Qiaosong Wang , Wei-Chih Hung , Robinson Piramuthu , Yi-Hsuan Tsai , Ming-Hsuan Yang

The World Wide Web holds a wealth of information in the form of unstructured texts such as customer reviews for products, events and more. By extracting and analyzing the expressed opinions in customer reviews in a fine-grained way,…

计算与语言 · 计算机科学 2017-09-20 Soufian Jebbara , Philipp Cimiano

Zero-shot text classification remains a difficult task in domains with evolving knowledge and ambiguous category boundaries, such as ticketing systems. Large language models (LLMs) often struggle to generalize in these scenarios due to…

机器学习 · 计算机科学 2025-08-05 Amrit Rajeev , Udayaadithya Avadhanam , Harshula Tulapurkar , SaiBarath Sundar

Meta-learning methods have been widely used in few-shot named entity recognition (NER), especially prototype-based methods. However, the Other(O) class is difficult to be represented by a prototype vector because there are generally a large…

计算与语言 · 计算机科学 2023-02-16 Chengcheng Han , Renyu Zhu , Jun Kuang , FengJiao Chen , Xiang Li , Ming Gao , Xuezhi Cao , Wei Wu

Few-shot semantic segmentation aims to segment novel-class objects in a query image with only a few annotated examples in support images. Most of advanced solutions exploit a metric learning framework that performs segmentation through…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Jiacheng Chen , Bin-Bin Gao , Zongqing Lu , Jing-Hao Xue , Chengjie Wang , Qingmin Liao

Multi-label image classification, which can be categorized into label-dependency and region-based methods, is a challenging problem due to the complex underlying object layouts. Although region-based methods are less likely to encounter…

计算机视觉与模式识别 · 计算机科学 2022-11-24 Jiawei Zhan , Jun Liu , Wei Tang , Guannan Jiang , Xi Wang , Bin-Bin Gao , Tianliang Zhang , Wenlong Wu , Wei Zhang , Chengjie Wang , Yuan Xie

Conventional methods for object detection typically require a substantial amount of training data and preparing such high-quality training data is very labor-intensive. In this paper, we propose a novel few-shot object detection network…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Qi Fan , Wei Zhuo , Chi-Keung Tang , Yu-Wing Tai

Labeling datasets for supervised object detection is a dull and time-consuming task. Errors can be easily introduced during annotation and overlooked during review, yielding inaccurate benchmarks and performance degradation of deep neural…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Marius Schubert , Tobias Riedlinger , Karsten Kahl , Daniel Kröll , Sebastian Schoenen , Siniša Šegvić , Matthias Rottmann

The rapid growth of user-generated text across digital platforms has intensified the need for interpretable models capable of fine-grained text classification and explanation. Existing prototype-based models offer intuitive explanations but…

Extracting fashion attributes from images of people wearing clothing/fashion accessories is a very hard multi-class classification problem. Most often, even catalogues of fashion do not have all the fine-grained attributes tagged due to…

机器学习 · 计算机科学 2021-04-13 Sandeep Singh Adhikari , Sukhneer Singh , Anoop Rajagopal , Aruna Rajan

Detecting social bias in text is challenging due to nuance, subjectivity, and difficulty in obtaining good quality labeled datasets at scale, especially given the evolving nature of social biases and society. To address these challenges, we…

计算与语言 · 计算机科学 2022-04-19 Shrimai Prabhumoye , Rafal Kocielnik , Mohammad Shoeybi , Anima Anandkumar , Bryan Catanzaro

Few-shot relation extraction aims to learn to identify the relation between two entities based on very limited training examples. Recent efforts found that textual labels (i.e., relation names and relation descriptions) could be extremely…

计算与语言 · 计算机科学 2022-10-26 Peiyuan Zhang , Wei Lu

Prototypical network for Few shot learning tries to learn an embedding function in the encoder that embeds images with similar features close to one another in the embedding space. However, in this process, the support set samples for a…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Manas Gogoi , Sambhavi Tiwari , Shekhar Verma

We study the problem of few-shot Fine-grained Entity Typing (FET), where only a few annotated entity mentions with contexts are given for each entity type. Recently, prompt-based tuning has demonstrated superior performance to standard…

计算与语言 · 计算机科学 2022-06-29 Jiaxin Huang , Yu Meng , Jiawei Han

With the development of the Internet, natural language processing (NLP), in which sentiment analysis is an important task, became vital in information processing.Sentiment analysis includes aspect sentiment classification. Aspect sentiment…

计算与语言 · 计算机科学 2018-07-06 Yongping Xing , Chuangbai Xiao , Yifei Wu , Ziming Ding

Few-shot named entity recognition (NER) targets generalizing to unseen labels and/or domains with few labeled examples. Existing metric learning methods compute token-level similarities between query and support sets, but are not able to…

计算与语言 · 计算机科学 2022-11-09 Yanru Chen , Yanan Zheng , Zhilin Yang

This paper describes a method of domain adaptive training for semantic segmentation using multiple source datasets that are not necessarily relevant to the target dataset. We propose a soft pseudo-label generation method by integrating…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Shigemichi Matsuzaki , Hiroaki Masuzawa , Jun Miura