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Related papers: FREDA: Flexible Relation Extraction Data Annotatio…

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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…

Machine Learning · Computer Science 2019-11-04 Yannis Papanikolaou , Ian Roberts , Andrea Pierleoni

Annotation noise is widespread in datasets, but manually revising a flawed corpus is time-consuming and error-prone. Hence, given the prior knowledge in Pre-trained Language Models and the expected uniformity across all annotations, we…

Computation and Language · Computer Science 2022-05-12 Chang Shu

Tabular data is ubiquitous in real-world applications and abundant on the web, yet its annotation has traditionally required human labor, posing a significant scalability bottleneck for tabular machine learning. Our methodology can…

Machine Learning · Computer Science 2024-06-25 Yaojie Hu , Ilias Fountalis , Jin Tian , Nikolaos Vasiloglou

Relation extraction has been widely studied to extract new relational facts from open corpus. Previous relation extraction methods are faced with the problem of wrong labels and noisy data, which substantially decrease the performance of…

Information Retrieval · Computer Science 2018-05-01 Dongdong Yang , Senzhang Wang , Zhoujun Li

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…

Computation and Language · Computer Science 2022-07-26 Po-Wei Lin , Shang-Yu Su , Yun-Nung Chen

TACRED is one of the largest and most widely used sentence-level relation extraction datasets. Proposed models that are evaluated using this dataset consistently set new state-of-the-art performance. However, they still exhibit large error…

Computation and Language · Computer Science 2021-04-20 George Stoica , Emmanouil Antonios Platanios , Barnabás Póczos

Distant supervised relation extraction is an efficient approach to scale relation extraction to very large corpora, and has been widely used to find novel relational facts from plain text. Recent studies on neural relation extraction have…

Computation and Language · Computer Science 2018-01-12 Zhengqiu He , Wenliang Chen , Zhenghua Li , Meishan Zhang , Wei Zhang , Min Zhang

Annotated data is an essential ingredient in natural language processing for training and evaluating machine learning models. It is therefore very desirable for the annotations to be of high quality. Recent work, however, has shown that…

Computation and Language · Computer Science 2022-09-27 Jan-Christoph Klie , Bonnie Webber , Iryna Gurevych

Natural language understanding's relation extraction makes innovative and encouraging novel business concepts possible and facilitates new digitilized decision-making processes. Current approaches allow the extraction of relations with a…

Computation and Language · Computer Science 2021-11-18 Lars Klöser , Philipp Kohl , Bodo Kraft , Albert Zündorf

Relation Extraction (RE) is a task that identifies relationships between entities in a text, enabling the acquisition of relational facts and bridging the gap between natural language and structured knowledge. However, current RE models…

Computation and Language · Computer Science 2023-06-21 Pere-Lluís Huguet Cabot , Simone Tedeschi , Axel-Cyrille Ngonga Ngomo , Roberto Navigli

Relation extraction is a fundamental task in information extraction. Most existing methods have heavy reliance on annotations labeled by human experts, which are costly and time-consuming. To overcome this drawback, we propose a novel…

Computation and Language · Computer Science 2017-08-03 Liyuan Liu , Xiang Ren , Qi Zhu , Shi Zhi , Huan Gui , Heng Ji , Jiawei Han

TACRED (Zhang et al., 2017) is one of the largest, most widely used crowdsourced datasets in Relation Extraction (RE). But, even with recent advances in unsupervised pre-training and knowledge enhanced neural RE, models still show a high…

Computation and Language · Computer Science 2020-05-01 Christoph Alt , Aleksandra Gabryszak , Leonhard Hennig

In this paper we address a task of relation mention extraction from noisy data: extracting representative phrases for a particular relation from noisy sentences that are collected via distant supervision. Despite its significance and value…

Computation and Language · Computer Science 2018-11-06 Jun Feng , Minlie Huang , Yijie Zhang , Yang Yang , Xiaoyan Zhu

Data is the engine of modern computer vision, which necessitates collecting large-scale datasets. This is expensive, and guaranteeing the quality of the labels is a major challenge. In this paper, we investigate efficient annotation…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Yuan-Hong Liao , Amlan Kar , Sanja Fidler

The existing supervised relation extraction methods have achieved impressive performance in a closed-set setting, where the relations during both training and testing remain the same. In a more realistic open-set setting, unknown relations…

Computation and Language · Computer Science 2023-06-09 Jun Zhao , Xin Zhao , Wenyu Zhan , Qi Zhang , Tao Gui , Zhongyu Wei , Yunwen Chen , Xiang Gao , Xuanjing Huang

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…

Computation and Language · Computer Science 2021-02-03 Despina Christou , Grigorios Tsoumakas

Few-Shot Relation Extraction aims at predicting the relation for a pair of entities in a sentence by training with a few labelled examples in each relation. Some recent works have introduced relation information (i.e., relation labels or…

Computation and Language · Computer Science 2022-05-20 Yang Liu , Jinpeng Hu , Xiang Wan , Tsung-Hui Chang

Named entity recognition (NER) and relation extraction (RE) are two important tasks in information extraction and retrieval (IE \& IR). Recent work has demonstrated that it is beneficial to learn these tasks jointly, which avoids the…

Computation and Language · Computer Science 2020-01-01 John Giorgi , Xindi Wang , Nicola Sahar , Won Young Shin , Gary D. Bader , Bo Wang

Despite its popularity in sentence-level relation extraction, distantly supervised data is rarely utilized by existing work in document-level relation extraction due to its noisy nature and low information density. Among its current…

Computation and Language · Computer Science 2024-07-02 Xiangyu Lin , Weijia Jia , Zhiguo Gong

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…

Computation and Language · Computer Science 2022-10-20 Alon Albalak , Varun Embar , Yi-Lin Tuan , Lise Getoor , William Yang Wang