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相关论文: Indirect Supervision for Relation Extraction using…

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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…

计算与语言 · 计算机科学 2021-08-19 Ankan Mullick , Animesh Bera , Tapas Nayak

Attention mechanisms are often used in deep neural networks for distantly supervised relation extraction (DS-RE) to distinguish valid from noisy instances. However, traditional 1-D vector attention models are insufficient for the learning…

计算与语言 · 计算机科学 2018-09-05 Jinhua Du , Jingguang Han , Andy Way , Dadong Wan

Text-based person search aims to retrieve the specified person images given a textual description. The key to tackling such a challenging task is to learn powerful multi-modal representations. Towards this, we propose a Relation and…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Yang Bai , Min Cao , Daming Gao , Ziqiang Cao , Chen Chen , Zhenfeng Fan , Liqiang Nie , Min Zhang

Leveraging vast and continually updated knowledge from the Internet has been considered an important ability for a dialogue system. Therefore, the dialogue query generation task is proposed for generating search queries from dialogue…

计算与语言 · 计算机科学 2024-02-19 Jianheng Huang , Ante Wang , Linfeng Gao , Linfeng Song , Jinsong Su

Despite the recent progress, little is known about the features captured by state-of-the-art neural relation extraction (RE) models. Common methods encode the source sentence, conditioned on the entity mentions, before classifying the…

计算与语言 · 计算机科学 2020-04-20 Christoph Alt , Aleksandra Gabryszak , Leonhard Hennig

Contextual Relation Extraction (CRE) is mainly used for constructing a knowledge graph with a help of ontology. It performs various tasks such as semantic search, query answering, and textual entailment. Relation extraction identifies the…

计算与语言 · 计算机科学 2023-09-14 R. Priyadharshini , G. Jeyakodi , P. Shanthi Bala

Large language models (LLMs) are probabilistic in nature and perform more reliably when augmented with external information. As complex queries often require multi-step reasoning over the retrieved information, with no clear or…

信息检索 · 计算机科学 2026-04-10 Roxana Petcu , Evangelos Kanoulas , Maarten de Rijke

Sentential relation extraction (RE) is an important task in natural language processing (NLP). In this paper we propose to do sentential RE with dynamic routing in capsules. We first show that the proposed approach outperform state of the…

计算与语言 · 计算机科学 2025-09-03 Ramazan Ali Bahrami , Ramin Yahyapour

Relation Extraction (RE) aims at recognizing the relation between pairs of entities mentioned in a text. Advances in LLMs have had a tremendous impact on NLP. In this work, we propose a textual data augmentation framework called PGA for…

计算与语言 · 计算机科学 2024-06-03 Yang Zhou , Shimin Shan , Hongkui Wei , Zhehuan Zhao , Wenshuo Feng

One of the challenges in large-scale information retrieval (IR) is to develop fine-grained and domain-specific methods to answer natural language questions. Despite the availability of numerous sources and datasets for answer retrieval,…

计算与语言 · 计算机科学 2019-11-28 Asma Ben Abacha , Dina Demner-Fushman

Relation extraction (RE) seeks to detect and classify semantic relationships between entities, which provides useful information for many NLP applications. Since the state-of-the-art RE models require large amounts of manually annotated…

计算与语言 · 计算机科学 2019-11-13 Jian Ni , Radu Florian

Neural models have achieved remarkable success on relation extraction (RE) benchmarks. However, there is no clear understanding which type of information affects existing RE models to make decisions and how to further improve the…

计算与语言 · 计算机科学 2020-12-02 Hao Peng , Tianyu Gao , Xu Han , Yankai Lin , Peng Li , Zhiyuan Liu , Maosong Sun , Jie Zhou

Distantly supervised relation extraction (RE) automatically aligns unstructured text with relation instances in a knowledge base (KB). Due to the incompleteness of current KBs, sentences implying certain relations may be annotated as N/A…

计算与语言 · 计算机科学 2021-09-07 Kailong Hao , Botao Yu , Wei Hu

Relation extraction (RE) has achieved remarkable progress with the help of pre-trained language models. However, existing RE models are usually incapable of handling two situations: implicit expressions and long-tail relation types, caused…

计算与语言 · 计算机科学 2023-01-31 Zhen Wan , Qianying Liu , Zhuoyuan Mao , Fei Cheng , Sadao Kurohashi , Jiwei Li

Wrong-labeling problem and long-tail relations severely affect the performance of distantly supervised relation extraction task. Many studies mitigate the effect of wrong-labeling through selective attention mechanism and handle long-tail…

计算与语言 · 计算机科学 2022-04-26 Ridong Han , Tao Peng , Jiayu Han , Hai Cui , Lu Liu

Distant Supervised Relation Extraction (DSRE) is usually formulated as a problem of classifying a bag of sentences that contain two query entities, into the predefined relation classes. Most existing methods consider those relation classes…

计算与语言 · 计算机科学 2019-12-16 Yanjie Gou , Yinjie Lei , Lingqiao Liu , Pingping Zhang , Xi Peng

Distant supervision (DS) aims to generate large-scale heuristic labeling corpus, which is widely used for neural relation extraction currently. However, it heavily suffers from noisy labeling and long-tail distributions problem. Many…

计算与语言 · 计算机科学 2021-02-03 Jianing Wang

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

The relation extraction (RE) in complex scenarios faces challenges such as diverse relation types and ambiguous relations between entities within a single sentence, leading to the poor performance of pure "text-in, text-out" language models…

计算与语言 · 计算机科学 2024-09-04 Yuchen Shi , Guochao Jiang , Tian Qiu , Deqing Yang

Question Answering (QA) is in increasing demand as the amount of information available online and the desire for quick access to this content grows. A common approach to QA has been to fine-tune a pretrained language model on a…

计算与语言 · 计算机科学 2020-04-27 Alexander R. Fabbri , Patrick Ng , Zhiguo Wang , Ramesh Nallapati , Bing Xiang