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相关论文: A Study on Building Efficient Zero-Shot Relation E…

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Zero-shot reinforcement learning (RL) has emerged as a setting for developing general agents, capable of solving downstream tasks without additional training or planning at test-time. While conventional RL optimizes policies for fixed…

机器学习 · 计算机科学 2026-03-10 Jacopo Di Ventura , Jan Felix Kleuker , Aske Plaat , Thomas Moerland

Entity linking aims to link ambiguous mentions to their corresponding entities in a knowledge base. One of the key challenges comes from insufficient labeled data for specific domains. Although dense retrievers have achieved excellent…

计算与语言 · 计算机科学 2023-10-20 Yulin Chen , Zhenran Xu , Baotian Hu , Min Zhang

Document-level relation extraction (DocRE) is a task that focuses on identifying relations between entities within a document. However, existing DocRE models often overlook the correlation between relations and lack a quantitative analysis…

信息检索 · 计算机科学 2023-10-23 Yusheng Huang , Zhouhan Lin

Zero-shot learning aims to recognize unseen objects using their semantic representations. Most existing works use visual attributes labeled by humans, not suitable for large-scale applications. In this paper, we revisit the use of documents…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Jihyung Kil , Wei-Lun Chao

Few-Shot Relation Extraction (FSRE), a subtask of Relation Extraction (RE) that utilizes limited training instances, appeals to more researchers in Natural Language Processing (NLP) due to its capability to extract textual information in…

计算与语言 · 计算机科学 2024-07-15 Ye Liu , Kai Zhang , Aoran Gan , Linan Yue , Feng Hu , Qi Liu , Enhong Chen

Joint extraction of entities and relations is an important task in information extraction. To tackle this problem, we firstly propose a novel tagging scheme that can convert the joint extraction task to a tagging problem. Then, based on our…

计算与语言 · 计算机科学 2017-06-19 Suncong Zheng , Feng Wang , Hongyun Bao , Yuexing Hao , Peng Zhou , Bo Xu

Zero-shot referring expression comprehension (REC) aims to locate target objects in images given natural language queries without relying on task-specific training data, demanding strong visual understanding capabilities. Existing…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Yike Wu , Necva Bolucu , Stephen Wan , Dadong Wang , Jiahao Xia , Jian Zhang

Relation extraction (RE) models have been challenged by their reliance on training data with expensive annotations. Considering that summarization tasks aim at acquiring concise expressions of synoptical information from the longer context,…

计算与语言 · 计算机科学 2022-10-24 Keming Lu , I-Hung Hsu , Wenxuan Zhou , Mingyu Derek Ma , Muhao Chen

Unsupervised relation extraction (URE) aims at discovering underlying relations between named entity pairs from open-domain plain text without prior information on relational distribution. Existing URE models utilizing contrastive learning,…

计算与语言 · 计算机科学 2023-10-03 Guangxin Zhang , Shu Chen

Extracting relational triples from text is a crucial task for constructing knowledge bases. Recent advancements in joint entity and relation extraction models have demonstrated remarkable F1 scores ($\ge 90\%$) in accurately extracting…

计算与语言 · 计算机科学 2023-10-30 Pratik Saini , Samiran Pal , Tapas Nayak , Indrajit Bhattacharya

Feature extraction becomes increasingly important as data grows high dimensional. Autoencoder as a neural network based feature extraction method achieves great success in generating abstract features of high dimensional data. However, it…

机器学习 · 计算机科学 2018-02-22 Qinxue Meng , Daniel Catchpoole , David Skillicorn , Paul J. Kennedy

Neural relation extraction models have shown promising results in recent years; however, the model performance drops dramatically given only a few training samples. Recent works try leveraging the advance in few-shot learning to solve the…

计算与语言 · 计算机科学 2021-09-10 Manqing Dong , Chunguang Pan , Zhipeng Luo

We propose a new paradigm for zero-shot learners that is format agnostic, i.e., it is compatible with any format and applicable to a list of language tasks, such as text classification, commonsense reasoning, coreference resolution, and…

计算与语言 · 计算机科学 2022-10-19 Ping Yang , Junjie Wang , Ruyi Gan , Xinyu Zhu , Lin Zhang , Ziwei Wu , Xinyu Gao , Jiaxing Zhang , Tetsuya Sakai

Joint entity-relation extraction (JERE) identifies both entities and their relationships simultaneously. Traditional machine-learning based approaches to performing this task require a large corpus of annotated data and lack the ability to…

人工智能 · 计算机科学 2026-01-09 Trang Tran , Trung Hoang Le , Huiping Cao , Tran Cao Son

This work proposes a novel adaptation of a pretrained sequence-to-sequence model to the task of document ranking. Our approach is fundamentally different from a commonly-adopted classification-based formulation of ranking, based on…

信息检索 · 计算机科学 2020-03-17 Rodrigo Nogueira , Zhiying Jiang , Jimmy Lin

Among adversarial attacks against sequential recommender systems, model extraction attacks represent a method to attack sequential recommendation models without prior knowledge. Existing research has primarily concentrated on the…

机器学习 · 计算机科学 2026-03-04 Hui Zhang , Fu Liu

Relation extraction is an important task in knowledge acquisition and text understanding. Existing works mainly focus on improving relation extraction by extracting effective features or designing reasonable model structures. However, few…

计算与语言 · 计算机科学 2021-04-08 Jiayang Cheng , Haiyun Jiang , Deqing Yang , Yanghua Xiao

Few-shot relation extraction (FSRE) aims at recognizing unseen relations by learning with merely a handful of annotated instances. To generalize to new relations more effectively, this paper proposes a novel pipeline for the FSRE task based…

计算与语言 · 计算机科学 2022-11-09 Yuzhe Zhang , Min Cen , Tongzhou Wu , Hong Zhang

Most work in relation extraction forms a prediction by looking at a short span of text within a single sentence containing a single entity pair mention. However, many relation types, particularly in biomedical text, are expressed across…

计算与语言 · 计算机科学 2017-11-17 Patrick Verga , Emma Strubell , Ofer Shai , Andrew McCallum

A supervised ranking model, despite its advantage of being effective, usually involves complex processing - typically multiple stages of task-specific pre-training and fine-tuning. This has motivated researchers to explore simpler pipelines…

信息检索 · 计算机科学 2024-10-08 Nilanjan Sinhababu , Andrew Parry , Debasis Ganguly , Debasis Samanta , Pabitra Mitra