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With an exponential explosive growth of various digital text information, it is challenging to efficiently obtain specific knowledge from massive unstructured text information. As one basic task for natural language processing (NLP),…

Computation and Language · Computer Science 2020-03-27 Yan Xiao , Yaochu Jin , Ran Cheng , Kuangrong Hao

The joint entity and relation extraction task aims to extract all relational triples from a sentence. In essence, the relational triples contained in a sentence are unordered. However, previous seq2seq based models require to convert the…

Computation and Language · Computer Science 2020-11-06 Dianbo Sui , Yubo Chen , Kang Liu , Jun Zhao , Xiangrong Zeng , Shengping Liu

Distant supervision (DS) is a well established technique for creating large-scale datasets for relation extraction (RE) without using human annotations. However, research in DS-RE has been mostly limited to the English language.…

Computation and Language · Computer Science 2021-04-20 Abhyuday Bhartiya , Kartikeya Badola , Mausam

Document-level relation extraction (DocRE) aims to infer complex semantic relations among entities in a document. Distant supervision (DS) is able to generate massive auto-labeled data, which can improve DocRE performance. Recent works…

Computation and Language · Computer Science 2023-05-29 Qi Sun , Kun Huang , Xiaocui Yang , Pengfei Hong , Kun Zhang , Soujanya Poria

Multi-modal named entity recognition (NER) and relation extraction (RE) aim to leverage relevant image information to improve the performance of NER and RE. Most existing efforts largely focused on directly extracting potentially useful…

Computation and Language · Computer Science 2022-12-06 Xinyu Wang , Jiong Cai , Yong Jiang , Pengjun Xie , Kewei Tu , Wei Lu

Relation extraction (RE) aims to identify the semantic relations between named entities in text. Recent years have witnessed it raised to the document level, which requires complex reasoning with entities and mentions throughout an entire…

Computation and Language · Computer Science 2020-09-23 Difeng Wang , Wei Hu , Ermei Cao , Weijian Sun

The challenge of recognizing named entities in a given text has been a very dynamic field in recent years. This is due to the advances in neural network architectures, increase of computing power and the availability of diverse labeled…

Computation and Language · Computer Science 2023-01-10 Nasi Jofche , Kostadin Mishev , Riste Stojanov , Milos Jovanovik , Dimitar Trajanov

Extracting entities and relations is an essential task of information extraction. Triplets extracted from a sentence might overlap with each other. Previous methods either did not address the overlapping issues or solved overlapping issues…

Computation and Language · Computer Science 2023-04-07 Hao Zhang

The cybersecurity landscape evolves rapidly and poses threats to organizations. To enhance resilience, one needs to track the latest developments and trends in the domain. It has been demonstrated that standard bibliometrics approaches show…

Computation and Language · Computer Science 2023-12-13 Maxime Würsch , Andrei Kucharavy , Dimitri Percia David , Alain Mermoud

Despite significant progress, large language models (LLMs) still struggle with long contexts due to memory limitations and their inability to tackle complex and long-context tasks. Additionally, LLMs often suffer from a lack of transparency…

Computation and Language · Computer Science 2025-08-29 Zhirui Chen , Wei Shen , Jiashui Huang , Ling Shao

Distant supervision based methods for entity and relation extraction have received increasing popularity due to the fact that these methods require light human annotation efforts. In this paper, we consider the problem of \textit{shifted…

Computation and Language · Computer Science 2020-04-22 Daoyuan Chen , Yaliang Li , Kai Lei , Ying Shen

When generating images from prompts that include specific entities, the model must retain as much entity-specific knowledge as possible. However, the number of entities is almost countless, and new entities emerge; memorizing all of them…

In this work, we present a Web-based annotation tool `Relation Triplets Extractor' \footnote{https://abera87.github.io/annotate/} (RTE) for annotating relation triplets from the text. Relation extraction is an important task for extracting…

Computation and Language · Computer Science 2021-08-19 Ankan Mullick , Animesh Bera , Tapas Nayak

Joint entity and relation extraction framework constructs a unified model to perform entity recognition and relation extraction simultaneously, which can exploit the dependency between the two tasks to mitigate the error propagation problem…

Computation and Language · Computer Science 2021-04-19 Yongliang Shen , Xinyin Ma , Yechun Tang , Weiming Lu

We introduce a multi-task setup of identifying and classifying entities, relations, and coreference clusters in scientific articles. We create SciERC, a dataset that includes annotations for all three tasks and develop a unified framework…

Computation and Language · Computer Science 2018-08-30 Yi Luan , Luheng He , Mari Ostendorf , Hannaneh Hajishirzi

Open Relation Extraction (OpenRE) seeks to identify and extract novel relational facts between named entities from unlabeled data without pre-defined relation schemas. Traditional OpenRE methods typically assume that the unlabeled data…

Computation and Language · Computer Science 2025-05-30 Qing Wang , Yuepei Li , Qiao Qiao , Kang Zhou , Qi Li

Document-level relation extraction is to extract relation facts from a document consisting of multiple sentences, in which pronoun crossed sentences are a ubiquitous phenomenon against a single sentence. However, most of the previous works…

Computation and Language · Computer Science 2022-02-23 Zhongxuan Xue , Rongzhen Li , Qizhu Dai , Zhong Jiang

Open relation extraction (OpenRE) is the task of extracting relation schemes from open-domain corpora. Most existing OpenRE methods either do not fully benefit from high-quality labeled corpora or can not learn semantic representation…

Computation and Language · Computer Science 2022-06-02 Yutong Wang , Renze Lou , Kai Zhang , MaoYan Chen , Yujiu Yang

Document-level joint entity and relation extraction is a challenging information extraction problem that requires a unified approach where a single neural network performs four sub-tasks: mention detection, coreference resolution, entity…

Computation and Language · Computer Science 2023-07-25 Witold Kosciukiewicz , Mateusz Wojcik , Tomasz Kajdanowicz , Adam Gonczarek

Knowledge graph embedding methods are important for the knowledge graph completion (or link prediction) task. One existing efficient method, PairRE, leverages two separate vectors to model complex relations (i.e., 1-to-N, N-to-1, and…

Artificial Intelligence · Computer Science 2022-10-25 Yizhi Li , Wei Fan , Chao Liu , Chenghua Lin , Jiang Qian