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The goal of dialogue relation extraction (DRE) is to identify the relation between two entities in a given dialogue. During conversations, speakers may expose their relations to certain entities by explicit or implicit clues, such evidences…

计算与语言 · 计算机科学 2022-07-26 Po-Wei Lin , Shang-Yu Su , Yun-Nung Chen

We present a novel framework to deal with relation extraction tasks in cases where there is complete lack of supervision, either in the form of gold annotations, or relations from a knowledge base. Our approach leverages syntactic parsing…

机器学习 · 计算机科学 2019-11-04 Yannis Papanikolaou , Ian Roberts , Andrea Pierleoni

This work introduces RARE (Retrieval-Augmented Reasoning Enhancement), a versatile extension to the mutual reasoning framework (rStar), aimed at enhancing reasoning accuracy and factual integrity across large language models (LLMs) for…

计算与语言 · 计算机科学 2025-06-03 Hieu Tran , Zonghai Yao , Junda Wang , Yifan Zhang , Zhichao Yang , Hong Yu

Biomedical relation extraction (RE) is the task of automatically identifying and characterizing relations between biomedical concepts from free text. RE is a central task in biomedical natural language processing (NLP) research and plays a…

计算与语言 · 计算机科学 2023-06-21 Po-Ting Lai , Chih-Hsuan Wei , Ling Luo , Qingyu Chen , Zhiyong Lu

In recent years, there is a surge of generation-based information extraction work, which allows a more direct use of pre-trained language models and efficiently captures output dependencies. However, previous generative methods using…

计算与语言 · 计算机科学 2022-11-10 Qipeng Guo , Yuqing Yang , Hang Yan , Xipeng Qiu , Zheng Zhang

Document-level relation extraction (DocRE) aims to extract relations of all entity pairs in a document. A key challenge in DocRE is the cost of annotating such data which requires intensive human effort. Thus, we investigate the case of…

计算与语言 · 计算机科学 2023-10-13 Minseok Choi , Hyesu Lim , Jaegul Choo

Relation Extraction (RE) is a pivotal task in automatically extracting structured information from unstructured text. In this paper, we present a multi-faceted approach that integrates representative examples and through co-set expansion.…

计算与语言 · 计算机科学 2023-08-24 Yerong Li , Roxana Girju

Data augmentation techniques are widely used for enhancing the performance of machine learning models by tackling class imbalance issues and data sparsity. State-of-the-art generative language models have been shown to provide significant…

计算与语言 · 计算机科学 2023-01-10 Aleksandra Edwards , Asahi Ushio , Jose Camacho-Collados , Hélène de Ribaupierre , Alun Preece

Contrastive learning has been used to learn a high-quality representation of the image in computer vision. However, contrastive learning is not widely utilized in natural language processing due to the lack of a general method of data…

计算与语言 · 计算机科学 2021-04-29 Peng Su , Yifan Peng , K. Vijay-Shanker

Fine-tuning pre-trained models have achieved impressive performance on standard natural language processing benchmarks. However, the resultant model generalizability remains poorly understood. We do not know, for example, how excellent…

计算与语言 · 计算机科学 2023-01-26 Luoqiu Li , Xiang Chen , Hongbin Ye , Zhen Bi , Shumin Deng , Ningyu Zhang , Huajun Chen

Large Language Model (LLM) agents can automate data-science workflows, but many rigorous statistical methods implemented in R remain underused because LLMs struggle with statistical knowledge and tool retrieval. Existing retrieval-augmented…

信息检索 · 计算机科学 2026-03-06 Maojun Sun , Yue Wu , Yifei Xie , Ruijian Han , Binyan Jiang , Defeng Sun , Yancheng Yuan , Jian Huang

Relation extraction (RE) consists in categorizing the relationship between entities in a sentence. A recent paradigm to develop relation extractors is Distant Supervision (DS), which allows the automatic creation of new datasets by taking…

计算与语言 · 计算机科学 2020-10-20 Johny Moreira , Chaina Oliveira , David Macêdo , Cleber Zanchettin , Luciano Barbosa

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

Distantly-supervised relation extraction (RE) is an effective method to scale RE to large corpora but suffers from noisy labels. Existing approaches try to alleviate noise through multi-instance learning and by providing additional…

计算与语言 · 计算机科学 2021-02-03 Despina Christou , Grigorios Tsoumakas

Continual relation extraction (CRE) requires the model to continually learn new relations from class-incremental data streams. In this paper, we propose a Frustratingly easy but Effective Approach (FEA) method with two learning stages for…

计算与语言 · 计算机科学 2022-09-02 Peiyi Wang , Yifan Song , Tianyu Liu , Rundong Gao , Binghuai Lin , Yunbo Cao , Zhifang Sui

Extracting fine-grained experimental findings from literature can provide dramatic utility for scientific applications. Prior work has developed annotation schemas and datasets for limited aspects of this problem, failing to capture the…

计算与语言 · 计算机科学 2024-04-26 Aakanksha Naik , Bailey Kuehl , Erin Bransom , Doug Downey , Tom Hope

Relation extraction (RE) aims to extract relations from sentences and documents. Existing relation extraction models typically rely on supervised machine learning. However, recent studies showed that many RE datasets are incompletely…

计算与语言 · 计算机科学 2023-06-19 Qingyu Tan , Lu Xu , Lidong Bing , Hwee Tou Ng

Automated entity relation extraction (RE) from literature provides an important source for constructing biomedical database, which is more efficient and extensible than manual curation. However, existing RE models usually ignore the…

计算与语言 · 计算机科学 2019-06-25 Lixiang Hong , JinJian Lin , Jiang Tao , Jianyang Zeng

In an era of radical technology transformations, technology maps play a crucial role in enhancing decision making. These maps heavily rely on automated methods of technology extraction. This paper introduces Retrieval Augmented Technology…

信息检索 · 计算机科学 2025-07-30 Karan Mirhosseini , Arya Aftab , Alireza Sheikh

Relation Extraction (RE) aims to label relations between groups of marked entities in raw text. Most current RE models learn context-aware representations of the target entities that are then used to establish relation between them. This…

计算与语言 · 计算机科学 2019-02-26 Gaurav Singh , Parminder Bhatia