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Named Entity Recognition (NER) is a critical task that requires substantial annotated data, making it challenging in low-resource scenarios where label acquisition is expensive. While zero-shot and instruction-tuned approaches have made…

计算与语言 · 计算机科学 2025-10-21 Nanda Kumar Rengarajan , Jun Yan , Chun Wang

Named Entity Recognition (NER) in Few-Shot setting is imperative for entity tagging in low resource domains. Existing approaches only learn class-specific semantic features and intermediate representations from source domains. This affects…

计算与语言 · 计算机科学 2022-03-29 Sarkar Snigdha Sarathi Das , Arzoo Katiyar , Rebecca J. Passonneau , Rui Zhang

Few-shot semantic segmentation is vital for deep learning-based infrastructure inspection applications, where labeled training examples are scarce and expensive. Although existing deep learning frameworks perform well, the need for…

计算机视觉与模式识别 · 计算机科学 2025-10-08 Christina Thrainer , Md Meftahul Ferdaus , Mahdi Abdelguerfi , Christian Guetl , Steven Sloan , Kendall N. Niles , Ken Pathak

Event extraction lies at the cores of investment analysis and asset management in the financial field, and thus has received much attention. The 2019 China conference on knowledge graph and semantic computing (CCKS) challenge sets up a…

计算与语言 · 计算机科学 2024-01-23 Congqing He , Xiangyu Zhu , Yuquan Le , Yuzhong Liu , Jianhong Yin

We introduce FewTopNER, a novel framework that integrates few-shot named entity recognition (NER) with topic-aware contextual modeling to address the challenges of cross-lingual and low-resource scenarios. FewTopNER leverages a shared…

计算与语言 · 计算机科学 2025-02-05 Ibrahim Bouabdallaoui , Fatima Guerouate , Samya Bouhaddour , Chaimae Saadi , Mohammed Sbihi

Few-shot Named Entity Recognition (NER), the task of identifying named entities with only a limited amount of labeled data, has gained increasing significance in natural language processing. While existing methodologies have shown some…

计算与语言 · 计算机科学 2024-08-26 Yafeng Zhang , Zilan Yu , Yuang Huang , Jing Tang

Few-shot named entity recognition (NER) aims at identifying named entities based on only few labeled instances. Current few-shot NER methods focus on leveraging existing datasets in the rich-resource domains which might fail in a…

计算与语言 · 计算机科学 2022-10-14 Zeng Yang , Linhai Zhang , Deyu Zhou

Few-shot semantic segmentation is the task of learning to locate each pixel of the novel class in the query image with only a few annotated support images. The current correlation-based methods construct pair-wise feature correlations to…

计算机视觉与模式识别 · 计算机科学 2023-01-20 Huafeng Liu , Pai Peng , Tao Chen , Qiong Wang , Yazhou Yao , Xian-Sheng Hua

This paper presents ReverseNER, a method aimed at overcoming the limitation of large language models (LLMs) in zero-shot named entity recognition (NER) tasks, arising from their reliance on pre-provided demonstrations. ReverseNER tackles…

计算与语言 · 计算机科学 2024-12-30 Anbang Wang , Difei Mei , Zhichao Zhang , Xiuxiu Bai , Ran Yao , Zewen Fang , Min Hu , Zhirui Cao , Haitao Sun , Yifeng Guo , Hongyao Zhou , Yu Guo

Few-shot Learning aims to learn and distinguish new categories with a very limited number of available images, presenting a significant challenge in the realm of deep learning. Recent researchers have sought to leverage the additional…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Chunpeng Zhou , Haishuai Wang , Xilu Yuan , Zhi Yu , Jiajun Bu

Few-shot named entity recognition (NER) systems recognize entities using a few labeled training examples. The general pipeline consists of a span detector to identify entity spans in text and an entity-type classifier to assign types to…

计算与语言 · 计算机科学 2024-06-21 Chang Tian , Wenpeng Yin , Dan Li , Marie-Francine Moens

Few-shot Named Entity Recognition (NER) aims to identify named entities with very little annotated data. Previous methods solve this problem based on token-wise classification, which ignores the information of entity boundaries, and…

计算与语言 · 计算机科学 2022-11-22 Jianing Wang , Chengcheng Han , Chengyu Wang , Chuanqi Tan , Minghui Qiu , Songfang Huang , Jun Huang , Ming Gao

Financial named entity recognition (FinNER) from literature is a challenging task in the field of financial text information extraction, which aims to extract a large amount of financial knowledge from unstructured texts. It is widely…

计算与语言 · 计算机科学 2022-06-01 Yuzhe Zhang , Hong Zhang

We introduce the task of entity-centric query refinement. Given an input query whose answer is a (potentially large) collection of entities, the task output is a small set of query refinements meant to assist the user in efficient domain…

计算与语言 · 计算机科学 2022-09-19 David Wadden , Nikita Gupta , Kenton Lee , Kristina Toutanova

Named entity typing (NET) is a classification task of assigning an entity mention in the context with given semantic types. However, with the growing size and granularity of the entity types, rare researches in previous concern with newly…

计算与语言 · 计算机科学 2020-11-04 Tao Zhang , Congying Xia , Chun-Ta Lu , Philip Yu

Sentence-level relation extraction (RE) aims to identify the relationship between 2 entities given a contextual sentence. While there have been many attempts to solve this problem, the current solutions have a lot of room to improve. In…

计算与语言 · 计算机科学 2023-07-04 N Harsha Vardhan , Manav Chaudhary

Few-shot learning aims to identify novel categories from only a handful of labeled samples, where prototypes estimated from scarce data are often biased and generalize poorly. Semantic-based methods alleviate this by introducing coarse…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Jiaying Wu , Can Gao , Jinglu Hu , Hui Li , Xiaofeng Cao , Jingcai Guo

Document structure extraction has been a widely researched area for decades with recent works performing it as a semantic segmentation task over document images using fully-convolution networks. Such methods are limited by image resolution…

机器学习 · 计算机科学 2021-07-12 Milan Aggarwal , Hiresh Gupta , Mausoom Sarkar , Balaji Krishnamurthy

Recognizing entities in texts is a central need in many information-seeking scenarios, and indeed, Named Entity Recognition (NER) is arguably one of the most successful examples of a widely adopted NLP task and corresponding NLP technology.…

计算与语言 · 计算机科学 2023-10-24 Uri Katz , Matan Vetzler , Amir DN Cohen , Yoav Goldberg

Fine-grained entity typing (FET) is the task of identifying specific entity types at a fine-grained level for entity mentions based on their contextual information. Conventional methods for FET require extensive human annotation, which is…

计算与语言 · 计算机科学 2023-10-13 Siru Ouyang , Jiaxin Huang , Pranav Pillai , Yunyi Zhang , Yu Zhang , Jiawei Han