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Deep learning has gained much success in sentence-level relation classification. For example, convolutional neural networks (CNN) have delivered competitive performance without much effort on feature engineering as the conventional…

计算与语言 · 计算机科学 2015-12-29 Dongxu Zhang , Dong Wang

This paper presents a contextualized graph attention network that combines edge features and multiple sub-graphs for improving relation extraction. A novel method is proposed to use multiple sub-graphs to learn rich node representations in…

计算与语言 · 计算机科学 2020-04-23 Angrosh Mandya , Danushka Bollegala , Frans Coenen

Distant supervision has become the standard method for relation extraction. However, even though it is an efficient method, it does not come at no cost---The resulted distantly-supervised training samples are often very noisy. To combat the…

计算与语言 · 计算机科学 2018-05-28 Pengda Qin , Weiran Xu , William Yang Wang

The tasks of aspect identification and term extraction remain challenging in natural language processing. While supervised methods achieve high scores, it is hard to use them in real-world applications due to the lack of labelled datasets.…

计算与语言 · 计算机科学 2020-05-07 Timur Sokhin , Maria Khodorchenko , Nikolay Butakov

Relation Extraction (RE) is a pivotal task in automatically extracting structured information from unstructured text. In this paper, we present a multi-faceted approach that integrates representative examples and through co-set expansion.…

计算与语言 · 计算机科学 2023-08-24 Yerong Li , Roxana Girju

Relation extraction (RE) aims at extracting the relation between two entities from the text corpora. It is a crucial task for Knowledge Graph (KG) construction. Most existing methods predict the relation between an entity pair by learning…

计算与语言 · 计算机科学 2020-11-30 Jun Kuang , Yixin Cao , Jianbing Zheng , Xiangnan He , Ming Gao , Aoying Zhou

Capsule Network (CapsNet) is among the promising classifiers and a possible successor of the classifiers built based on Convolutional Neural Network (CNN). CapsNet is more accurate than CNNs in detecting images with overlapping categories…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Pouya Shiri , Amirali Baniasadi

Subnetwork extraction using community detection methods is commonly used to study the brain's modular structure. Recent studies indicated that certain brain regions are known to interact with multiple subnetworks. However, most existing…

神经元与认知 · 定量生物学 2018-01-30 Chendi Wang , Rafeef Abugharbieh

Tabular data are omnipresent in various sectors of industries. Neural networks for tabular data such as TabNet have been proposed to make predictions while leveraging the attention mechanism for interpretability. However, the inferred…

机器学习 · 计算机科学 2024-06-12 Jacob Si , Wendy Yusi Cheng , Michael Cooper , Rahul G. Krishnan

Sentence-level relation extraction (RE) aims at identifying the relationship between two entities in a sentence. Many efforts have been devoted to this problem, while the best performing methods are still far from perfect. In this paper, we…

计算与语言 · 计算机科学 2022-09-23 Wenxuan Zhou , Muhao Chen

Anomaly detection is an essential problem in machine learning. Application areas include network security, health care, fraud detection, etc., involving high-dimensional datasets. A typical anomaly detection system always faces the…

机器学习 · 计算机科学 2021-12-30 Inderjeet Singh , Nandyala Hemachandra

Speaker recognition systems are widely used in various applications to identify a person by their voice; however, the high degree of variability in speech signals makes this a challenging task. Dealing with emotional variations is very…

声音 · 计算机科学 2022-01-11 Ali Bou Nassif , Ismail Shahin , Ashraf Elnagar , Divya Velayudhan , Adi Alhudhaif , Kemal Polat

Recently proposed Capsule Network is a brain inspired architecture that brings a new paradigm to deep learning by modelling input domain variations through vector based representations. Despite being a seminal contribution, CapsNet does not…

计算机视觉与模式识别 · 计算机科学 2018-10-17 Sameera Ramasinghe , C. D. Athuralya , Salman Khan

Many approaches can derive information about a single speaker's identity from the speech by learning to recognize consistent characteristics of acoustic parameters. However, it is challenging to determine identity information when there are…

音频与语音处理 · 电气工程与系统科学 2020-08-07 Hyewon Han , Soo-Whan Chung , Hong-Goo Kang

We consider the abstract relational reasoning task, which is commonly used as an intelligence test. Since some patterns have spatial rationales, while others are only semantic, we propose a multi-scale architecture that processes each query…

人工智能 · 计算机科学 2021-07-28 Yaniv Benny , Niv Pekar , Lior Wolf

Deep convolutional neural networks, assisted by architectural design strategies, make extensive use of data augmentation techniques and layers with a high number of feature maps to embed object transformations. That is highly inefficient…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Vittorio Mazzia , Francesco Salvetti , Marcello Chiaberge

Salient object detection (SOD) for optical remote sensing images (RSIs) aims at locating and extracting visually distinctive objects/regions from the optical RSIs. Despite some saliency models were proposed to solve the intrinsic problem of…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Runmin Cong , Yumo Zhang , Leyuan Fang , Jun Li , Yao Zhao , Sam Kwong

Relational learning deals with data that are characterized by relational structures. An important task is collective classification, which is to jointly classify networked objects. While it holds a great promise to produce a better accuracy…

机器学习 · 计算机科学 2016-11-30 Trang Pham , Truyen Tran , Dinh Phung , Svetha Venkatesh

Current clustering-based Open Relation Extraction (OpenRE) methods usually adopt a two-stage pipeline. The first stage simultaneously learns relation representations and assignments. The second stage manually labels several instances and…

计算与语言 · 计算机科学 2023-06-09 Jun Zhao , Yongxin Zhang , Qi Zhang , Tao Gui , Zhongyu Wei , Minlong Peng , Mingming Sun

Past work in relation extraction mostly focuses on binary relation between entity pairs within single sentence. Recently, the NLP community has gained interest in relation extraction in entity pairs spanning multiple sentences. In this…

计算与语言 · 计算机科学 2019-01-15 Pankaj Gupta , Subburam Rajaram , Hinrich Schütze , Bernt Andrassy , Thomas Runkler