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Relation extraction is used to populate knowledge bases that are important to many applications. Prior datasets used to train relation extraction models either suffer from noisy labels due to distant supervision, are limited to certain…

计算与语言 · 计算机科学 2021-02-22 Robert Ormandi , Mohammad Saleh , Erin Winter , Vinay Rao

Transfer learning, which is to improve the learning performance in the target domain by leveraging useful knowledge from the source domain, often requires that those two domains are very close, which limits its application scope. Recently,…

机器学习 · 计算机科学 2020-06-16 Qiao Xiao , Yu Zhang

A hypergraph is a generalization of a graph that arises naturally when attribute-sharing among entities is considered. Compared to graphs, hypergraphs have the distinct advantage that they contain explicit communities and are more…

社会与信息网络 · 计算机科学 2024-08-28 Enzhi Li , Scott Nickleach , Bilal Fadlallah

Higher-order networks are efficient representations of sequential data. Unlike the classic first-order network approach, they capture indirect dependencies between items composing the input sequences by the use of \textit{memory-nodes}. We…

物理与社会 · 物理学 2021-09-08 Célestin Coquidé , Julie Queiros , François Queyroi

The biharmonic distance is a fundamental metric on graphs that measures the dissimilarity between two nodes, capturing both local and global structures. It has found applications across various fields, including network centrality, graph…

社会与信息网络 · 计算机科学 2026-01-16 Dehong Zheng , Zhongzhi Zhang

Random walks are widely used for mining networks due to the computational efficiency of computing them. For instance, graph representation learning learns a d-dimensional embedding space, so that the nodes that tend to co-occur on random…

社会与信息网络 · 计算机科学 2024-05-24 Sam F. L. Windels , Noel Malod-Dognin , Natasa Przulj

While deep networks have been enormously successful over the last decade, they rely on flat-feature vector representations, which makes them unsuitable for richly structured domains such as those arising in applications like social network…

机器学习 · 计算机科学 2020-01-14 Navdeep Kaur , Gautam Kunapuli , Saket Joshi , Kristian Kersting , Sriraam Natarajan

Accurately analyzing graph properties of social networks is a challenging task because of access limitations to the graph data. To address this challenge, several algorithms to obtain unbiased estimates of properties from few samples via a…

社会与信息网络 · 计算机科学 2020-07-14 Kazuki Nakajima , Kazuyuki Shudo

We present a novel approach to tackle domain adaptation between synthetic and real data. Instead, of employing "blind" domain randomization, i.e., augmenting synthetic renderings with random backgrounds or changing illumination and…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Sergey Zakharov , Wadim Kehl , Slobodan Ilic

We introduce Biased TextRank, a graph-based content extraction method inspired by the popular TextRank algorithm that ranks text spans according to their importance for language processing tasks and according to their relevance to an input…

计算与语言 · 计算机科学 2020-11-03 Ashkan Kazemi , Verónica Pérez-Rosas , Rada Mihalcea

Node embedding aims to map nodes in the complex graph into low-dimensional representations. The real-world large-scale graphs and difficulties of labeling motivate wide studies of unsupervised node embedding problems. Nevertheless, previous…

分布式、并行与集群计算 · 计算机科学 2022-06-02 Qiying Pan , Yifei Zhu

Nodes can be ranked according to their relative importance within the network. Ranking algorithms based on random walks are particularly useful because they connect topological and diffusive properties of the network. Previous methods based…

物理与社会 · 物理学 2014-06-17 Luis Enrique Correa Rocha , Naoki Masuda

We present a Few-Shot Relation Classification Dataset (FewRel), consisting of 70, 000 sentences on 100 relations derived from Wikipedia and annotated by crowdworkers. The relation of each sentence is first recognized by distant supervision…

机器学习 · 计算机科学 2018-10-30 Xu Han , Hao Zhu , Pengfei Yu , Ziyun Wang , Yuan Yao , Zhiyuan Liu , Maosong Sun

Relation classification is an important semantic processing task for which state-ofthe-art systems still rely on costly handcrafted features. In this work we tackle the relation classification task using a convolutional neural network that…

计算与语言 · 计算机科学 2015-05-26 Cicero Nogueira dos Santos , Bing Xiang , Bowen Zhou

Graph-structured data arise in wide applications, such as computer vision, bioinformatics, and social networks. Quantifying similarities among graphs is a fundamental problem. In this paper, we develop a framework for computing graph…

机器学习 · 统计学 2018-09-11 Zhen Zhang , Mianzhi Wang , Yijian Xiang , Yan Huang , Arye Nehorai

We explore the use of machine-learning techniques to detect quantum speedup in random walks on graphs. Specifically, we investigate the performance of three different neural-network architectures (variations on fully connected and…

量子物理 · 物理学 2023-09-06 Hanna Linn , Yu Zheng , Anton Frisk Kockum

A key assumption in multi-task learning is that at the inference time the multi-task model only has access to a given data point but not to the data point's labels from other tasks. This presents an opportunity to extend multi-task learning…

机器学习 · 计算机科学 2023-03-15 Kaidi Cao , Jiaxuan You , Jure Leskovec

Due to wide applications in diverse fields, random walks subject to stochastic resetting have attracted considerable attention in the last decade. In this paper, we study discrete-time random walks on complex network with multiple resetting…

统计力学 · 物理学 2021-10-01 Shuang Wang , Hanshuang Chen , Feng Huang

In the study of small and large networks it is customary to perform a simple random walk, where the random walker jumps from one node to one of its neighbours with uniform probability. The properties of this random walk are intimately…

数据分析、统计与概率 · 物理学 2013-09-18 Jean-Charles Delvenne , Anne-Sophie Libert

We introduce Synscapes -- a synthetic dataset for street scene parsing created using photorealistic rendering techniques, and show state-of-the-art results for training and validation as well as new types of analysis. We study the behavior…

计算机视觉与模式识别 · 计算机科学 2018-10-23 Magnus Wrenninge , Jonas Unger