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In knowledge graph construction, a challenging issue is how to extract complex (e.g., overlapping) entities and relationships from a small amount of unstructured historical data. The traditional pipeline methods are to divide the extraction…

计算与语言 · 计算机科学 2024-05-24 Jian Cheng , Tian Zhang , Shuang Zhang , Huimin Ren , Guo Yu , Xiliang Zhang , Shangce Gao , Lianbo Ma

The objective of knowledge graph embedding is to encode both entities and relations of knowledge graphs into continuous low-dimensional vector spaces. Previously, most works focused on symbolic representation of knowledge graph with…

计算与语言 · 计算机科学 2016-12-14 Jiacheng Xu , Kan Chen , Xipeng Qiu , Xuanjing Huang

Dual encoders and cross encoders have been widely used for image-text retrieval. Between the two, the dual encoder encodes the image and text independently followed by a dot product, while the cross encoder jointly feeds image and text as…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Jie Lei , Xinlei Chen , Ning Zhang , Mengjiao Wang , Mohit Bansal , Tamara L. Berg , Licheng Yu

Generating texts which express complex ideas spanning multiple sentences requires a structured representation of their content (document plan), but these representations are prohibitively expensive to manually produce. In this work, we…

计算与语言 · 计算机科学 2022-03-28 Rik Koncel-Kedziorski , Dhanush Bekal , Yi Luan , Mirella Lapata , Hannaneh Hajishirzi

Knowledge graph (KG) embedding is well-known in learning representations of KGs. Many models have been proposed to learn the interactions between entities and relations of the triplets. However, long-term information among multiple triplets…

机器学习 · 计算机科学 2021-04-29 Yongqi Zhang , Quanming Yao , Lei Chen

Hypergraphs, increasingly utilised to model complex and diverse relationships in modern networks, have gained significant attention for representing intricate higher-order interactions. Among various challenges, cohesive subgraph discovery…

社会与信息网络 · 计算机科学 2025-07-14 Dahee Kim , Hyewon Kim , Song Kim , Minseok Kim , Junghoon Kim , Yeon-Chang Lee , Sungsu Lim

Knowledge graph (KG) link prediction aims to infer new facts based on existing facts in the KG. Recent studies have shown that using the graph neighborhood of a node via graph neural networks (GNNs) provides more useful information compared…

计算与语言 · 计算机科学 2024-02-15 Vardaan Pahuja , Boshi Wang , Hugo Latapie , Jayanth Srinivasa , Yu Su

Semantic Web or Knowledge Graphs (KG) emerged to one of the most important information source for intelligent systems requiring access to structured knowledge. One of the major challenges is the extraction and processing of unambiguous…

人工智能 · 计算机科学 2022-08-04 Christian M. M. Frey , Matthias Schubert

Human-curated knowledge graphs provide critical supportive information to various natural language processing tasks, but these graphs are usually incomplete, urging auto-completion of them. Prevalent graph embedding approaches, e.g.,…

计算与语言 · 计算机科学 2021-02-25 Bo Wang , Tao Shen , Guodong Long , Tianyi Zhou , Yi Chang

In this paper, we present the ``joint pre-training and local re-training'' framework for learning and applying multi-source knowledge graph (KG) embeddings. We are motivated by the fact that different KGs contain complementary information…

计算与语言 · 计算机科学 2023-06-06 Zequn Sun , Jiacheng Huang , Jinghao Lin , Xiaozhou Xu , Qijin Chen , Wei Hu

Quantum key distribution (QKD) allows two distant parties to share encryption keys with security based on laws of quantum mechanics. In order to share the keys, the quantum bits have to be transmitted from the sender to the receiver over a…

信息论 · 计算机科学 2019-09-09 Sathwik Chadaga , Mridul Agarwal , Vaneet Aggarwal

Conventional unsupervised hashing methods usually take advantage of similarity graphs, which are either pre-computed in the high-dimensional space or obtained from random anchor points. On the one hand, existing methods uncouple the…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Yuming Shen , Jie Qin , Jiaxin Chen , Mengyang Yu , Li Liu , Fan Zhu , Fumin Shen , Ling Shao

Cross-technology communication (CTC) is a promising technique that enables direct communications among incompatible wireless technologies without needing hardware modification. However, it has not been widely adopted in real-world…

信息论 · 计算机科学 2024-02-16 Shumin Yao , Xiaodong Xu , Hao Chen , Yaping Sun , Qinglin Zhao

Deep graph embedding is an important approach for community discovery. Deep graph neural network with self-supervised mechanism can obtain the low-dimensional embedding vectors of nodes from unlabeled and unstructured graph data. The…

社会与信息网络 · 计算机科学 2021-02-09 Shuliang Xu , Shenglan Liu , Lin Feng

Accurate image segmentation plays a crucial role in medical image analysis, yet it faces great challenges of various shapes, diverse sizes, and blurry boundaries. To address these difficulties, square kernel-based encoder-decoder…

图像与视频处理 · 电气工程与系统科学 2022-01-02 Qian Yu , Lei Qi , Luping Zhou , Lei Wang , Yilong Yin , Yinghuan Shi , Wuzhang Wang , Yang Gao

This paper proposes a cross-modal retrieval system that leverages on image and text encoding. Most multimodal architectures employ separate networks for each modality to capture the semantic relationship between them. However, in our work…

计算机视觉与模式识别 · 计算机科学 2018-07-20 Shah Nawaz , Muhammad Kamran Janjua , Alessandro Calefati , Ignazio Gallo

Hyper-relational knowledge graphs (KGs) contain additional key-value pairs, providing more information about the relations. In many scenarios, the same relation can have distinct key-value pairs, making the original triple fact more…

人工智能 · 计算机科学 2024-03-05 Yonglin Jing

Graph translation is very promising research direction and has a wide range of potential real-world applications. Graph is a natural structure for representing relationship and interactions, and its translation can encode the intrinsic…

机器学习 · 计算机科学 2021-03-17 Tianxiang Zhao , Xianfeng Tang , Xiang Zhang , Suhang Wang

Textual entailment is a fundamental task in natural language processing. Most approaches for solving the problem use only the textual content present in training data. A few approaches have shown that information from external knowledge…

Multi-task learning in Convolutional Networks has displayed remarkable success in the field of recognition. This success can be largely attributed to learning shared representations from multiple supervisory tasks. However, existing…

计算机视觉与模式识别 · 计算机科学 2016-04-13 Ishan Misra , Abhinav Shrivastava , Abhinav Gupta , Martial Hebert
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