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Using Large Language Models (LLMs) to generate training data can potentially be a preferable way to improve zero or few-shot NLP tasks. However, many problems remain to be investigated for this direction. For the task of Relation Extraction…

计算与语言 · 计算机科学 2025-05-30 Zexuan Li , Hongliang Dai , Piji Li

Relation extraction between drugs plays a crucial role in identifying drug drug interactions and predicting side effects. The advancement of machine learning methods in relation extraction, along with the development of large medical text…

计算与语言 · 计算机科学 2025-10-28 Ali Fata , Hossein Rahmani , Parinaz Soltanzadeh , Amirhossein Derakhshan , Behrouz Minaei Bidgoli

Relation extraction (RE) plays an important role in extracting knowledge from unstructured text but requires a large amount of labeled corpus. To reduce the expensive annotation efforts, semisupervised learning aims to leverage both labeled…

计算与语言 · 计算机科学 2021-03-16 Yusen Lin

This paper presents an empirical study to build relation extraction systems in low-resource settings. Based upon recent pre-trained language models, we comprehensively investigate three schemes to evaluate the performance in low-resource…

计算与语言 · 计算机科学 2023-09-19 Xin Xu , Xiang Chen , Ningyu Zhang , Xin Xie , Xi Chen , Huajun Chen

Scene graph generation aims to identify objects and their relations in images, providing structured image representations that can facilitate numerous applications in computer vision. However, scene graph models usually require supervised…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Yuan Yao , Ao Zhang , Xu Han , Mengdi Li , Cornelius Weber , Zhiyuan Liu , Stefan Wermter , Maosong Sun

Relation extraction typically aims to extract semantic relationships between entities from the unstructured text. One of the most essential data sources for relation extraction is the spoken language, such as interviews and dialogues.…

计算与语言 · 计算机科学 2022-10-18 Tongtong Wu , Guitao Wang , Jinming Zhao , Zhaoran Liu , Guilin Qi , Yuan-Fang Li , Gholamreza Haffari

We propose a multi-task, probabilistic approach to facilitate distantly supervised relation extraction by bringing closer the representations of sentences that contain the same Knowledge Base pairs. To achieve this, we bias the latent space…

计算与语言 · 计算机科学 2021-04-19 Fenia Christopoulou , Makoto Miwa , Sophia Ananiadou

Recent neural models for relation extraction with distant supervision alleviate the impact of irrelevant sentences in a bag by learning importance weights for the sentences. Efforts thus far have focused on improving extraction accuracy but…

信息检索 · 计算机科学 2020-06-01 Hamed Shahbazi , Xiaoli Z. Fern , Reza Ghaeini , Prasad Tadepalli

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

While recent automatic speech recognition systems achieve remarkable performance when large amounts of adequate, high quality annotated speech data is used for training, the same systems often only achieve an unsatisfactory result for tasks…

音频与语音处理 · 电气工程与系统科学 2022-01-19 Michael Gref , Oliver Walter , Christoph Schmidt , Sven Behnke , Joachim Köhler

A crucial aspect of a knowledge base population system that extracts new facts from text corpora, is the generation of training data for its relation extractors. In this paper, we present a method that maximizes the effectiveness of newly…

计算与语言 · 计算机科学 2016-03-04 Lucas Sterckx , Thomas Demeester , Johannes Deleu , Chris Develder

Generating the English transliteration of a name written in a foreign script is an important and challenging step in multilingual knowledge acquisition and information extraction. Existing approaches to transliteration generation require a…

计算与语言 · 计算机科学 2018-09-24 Shyam Upadhyay , Jordan Kodner , Dan Roth

A novel approach to the fully automated, unsupervised extraction of dependency grammars and associated syntax-to-semantic-relationship mappings from large text corpora is described. The suggested approach builds on the authors' prior work…

计算与语言 · 计算机科学 2014-01-16 Linas Vepstas , Ben Goertzel

Document-level Relation Extraction (DocRE) is the task of extracting all semantic relationships from a document. While studies have been conducted on English DocRE, limited attention has been given to DocRE in non-English languages. This…

计算与语言 · 计算机科学 2024-04-26 Youmi Ma , An Wang , Naoaki Okazaki

We present the first human-annotated dialogue-based relation extraction (RE) dataset DialogRE, aiming to support the prediction of relation(s) between two arguments that appear in a dialogue. We further offer DialogRE as a platform for…

计算与语言 · 计算机科学 2020-04-20 Dian Yu , Kai Sun , Claire Cardie , Dong Yu

Massive web-crawled image-text datasets lay the foundation for recent progress in multimodal learning. These datasets are designed with the goal of training a model to do well on standard computer vision benchmarks, many of which, however,…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Thao Nguyen , Matthew Wallingford , Sebastin Santy , Wei-Chiu Ma , Sewoong Oh , Ludwig Schmidt , Pang Wei Koh , Ranjay Krishna

Existing research studies on cross-sentence relation extraction in long-form multi-party conversations aim to improve relation extraction without considering the explainability of such methods. This work addresses that gap by focusing on…

计算与语言 · 计算机科学 2022-10-20 Alon Albalak , Varun Embar , Yi-Lin Tuan , Lise Getoor , William Yang Wang

Multiple instance learning (MIL) has become the standard learning paradigm for distantly supervised relation extraction (DSRE). However, due to relation extraction being performed at bag level, MIL has significant hardware requirements for…

计算与语言 · 计算机科学 2021-04-16 Mehrdad Nasser , Mohamad Bagher Sajadi , Behrouz Minaei-Bidgoli

Multiple entities in a document generally exhibit complex inter-sentence relations, and cannot be well handled by existing relation extraction (RE) methods that typically focus on extracting intra-sentence relations for single entity pairs.…

计算与语言 · 计算机科学 2019-08-12 Yuan Yao , Deming Ye , Peng Li , Xu Han , Yankai Lin , Zhenghao Liu , Zhiyuan Liu , Lixin Huang , Jie Zhou , Maosong Sun

Relation ties, defined as the correlation and mutual exclusion between different relations, are critical for distant supervised relation extraction. Existing approaches model this property by greedily learning local dependencies. However,…

计算与语言 · 计算机科学 2020-04-22 Yuming Shang , Heyan Huang , Xin Sun , Xianling Mao