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相关论文: A Labeled Graph Kernel for Relationship Extraction

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Relation extraction is an important but challenging task that aims to extract all hidden relational facts from the text. With the development of deep language models, relation extraction methods have achieved good performance on various…

计算与语言 · 计算机科学 2022-08-17 Sheng Zhang , Patrick Ng , Zhiguo Wang , Bing Xiang

Kernels on graphs have had limited options for node-level problems. To address this, we present a novel, generalized kernel for graphs with node feature data for semi-supervised learning. The kernel is derived from a regularization…

机器学习 · 计算机科学 2022-11-29 Yin-Cong Zhi , Felix L. Opolka , Yin Cheng Ng , Pietro Liò , Xiaowen Dong

Knowledge graphs represent real-world entities and their relations in a semantically-rich structure supported by ontologies. Exploring this data with machine learning methods often relies on knowledge graph embeddings, which produce latent…

机器学习 · 计算机科学 2023-06-23 Rita T. Sousa , Sara Silva , Catia Pesquita

Dialogue relation extraction (RE) is to predict the relation type of two entities mentioned in a dialogue. In this paper, we propose a simple yet effective model named SimpleRE for the RE task. SimpleRE captures the interrelations among…

计算与语言 · 计算机科学 2023-04-26 Fuzhao Xue , Aixin Sun , Hao Zhang , Jinjie Ni , Eng Siong Chng

Manual annotation of the labeled data for relation extraction is time-consuming and labor-intensive. Semi-supervised methods can offer helping hands for this problem and have aroused great research interests. Existing work focuses on…

计算与语言 · 计算机科学 2020-10-23 Wanli Li , Tieyun Qian

Relation Extraction (RE) refers to extracting the relation triples in the input text. Existing neural work based systems for RE rely heavily on manually labeled training data, but there are still a lot of domains where sufficient labeled…

计算与语言 · 计算机科学 2022-08-18 Xukun Luo , Ping Wang

Sequence generation demonstrates promising performance in recent information extraction efforts, by incorporating large-scale pre-trained Seq2Seq models. This paper investigates the merits of employing sequence generation in relation…

计算与语言 · 计算机科学 2023-02-13 Bo Li , Dingyao Yu , Wei Ye , Jinglei Zhang , Shikun Zhang

Most of the past work in relation extraction deals with relations occurring within a sentence and having only two entity arguments. We propose a new formulation of the relation extraction task where the relations are more general than…

计算与语言 · 计算机科学 2020-06-16 Sachin Pawar , Pushpak Bhattacharyya , Girish K. Palshikar

With the advent of the Internet, large amount of digital text is generated everyday in the form of news articles, research publications, blogs, question answering forums and social media. It is important to develop techniques for extracting…

计算与语言 · 计算机科学 2017-12-15 Sachin Pawar , Girish K. Palshikar , Pushpak Bhattacharyya

In this study, a novel method for extracting named entities and relations from unstructured text based on the table representation is presented. By using contextualized word embeddings, the proposed method computes representations for…

计算与语言 · 计算机科学 2022-01-28 Youmi Ma , Tatsuya Hiraoka , Naoaki Okazaki

Relation extraction (RE) aims to extract potential relations according to the context of two entities, thus, deriving rational contexts from sentences plays an important role. Previous works either focus on how to leverage the entity…

计算与语言 · 计算机科学 2023-05-08 Xuming Hu , Zhaochen Hong , Chenwei Zhang , Irwin King , Philip S. Yu

We introduce propagation kernels, a general graph-kernel framework for efficiently measuring the similarity of structured data. Propagation kernels are based on monitoring how information spreads through a set of given graphs. They leverage…

机器学习 · 统计学 2014-10-14 Marion Neumann , Roman Garnett , Christian Bauckhage , Kristian Kersting

For Relation Extraction (RE), the manual annotation of training data may be prohibitively expensive, since the sentences that contain the target relations in texts can be very scarce and difficult to find. It is therefore beneficial to…

计算与语言 · 计算机科学 2025-09-11 Zexuan Li , Hongliang Dai , Piji Li

Predicting gene functions is a challenge for biologists in the post genomic era. Interactions among genes and their products compose networks that can be used to infer gene functions. Most previous studies adopt a linkage assumption, i.e.,…

分子网络 · 定量生物学 2022-04-25 Xin Li , Hsinchun Chen , Jiexun Li , Zhu Zhang

Document-level relation extraction aims to extract relations among entities within a document. Different from sentence-level relation extraction, it requires reasoning over multiple sentences across a document. In this paper, we propose…

计算与语言 · 计算机科学 2020-09-30 Shuang Zeng , Runxin Xu , Baobao Chang , Lei Li

Relation extraction (RE) is a standard information extraction task playing a major role in downstream applications such as knowledge discovery and question answering. Although decoder-only large language models are excelling in generative…

计算与语言 · 计算机科学 2025-07-28 Yuhang Jiang , Ramakanth Kavuluru

Sentence-level relation extraction mainly aims to classify the relation between two entities in a sentence. The sentence-level relation extraction corpus often contains data that are difficult for the model to infer or noise data. In this…

计算与语言 · 计算机科学 2021-08-05 Seongsik Park , Harksoo Kim

In this paper, we propose a graph-based kinship reasoning (GKR) network for kinship verification, which aims to effectively perform relational reasoning on the extracted features of an image pair. Unlike most existing methods which mainly…

计算机视觉与模式识别 · 计算机科学 2020-04-23 Wanhua Li , Yingqiang Zhang , Kangchen Lv , Jiwen Lu , Jianjiang Feng , Jie Zhou

Document-level relation extraction aims to discover relations between entities across a whole document. How to build the dependency of entities from different sentences in a document remains to be a great challenge. Current approaches…

计算与语言 · 计算机科学 2021-03-16 Jiaxin Pan , Min Peng , Yiyan Zhang

Recently, progress has been made towards improving relational reasoning in machine learning field. Among existing models, graph neural networks (GNNs) is one of the most effective approaches for multi-hop relational reasoning. In fact,…

计算与语言 · 计算机科学 2019-02-05 Hao Zhu , Yankai Lin , Zhiyuan Liu , Jie Fu , Tat-seng Chua , Maosong Sun