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Knowledge graph completion (KGC) is the task of inferencing missing facts from any given knowledge graphs (KG). Previous KGC methods typically represent knowledge graph entities and relations as trainable continuous embeddings and fuse the…

计算与语言 · 计算机科学 2023-07-13 Chen Chen , Yufei Wang , Yang Zhang , Quan Z. Sheng , Kwok-Yan Lam

Graph Neural Networks (GNNs) have attracted tremendous attention by demonstrating their capability to handle graph data. However, they are difficult to be deployed in resource-limited devices due to model sizes and scalability constraints…

机器学习 · 计算机科学 2023-02-02 Yijun Tian , Shichao Pei , Xiangliang Zhang , Chuxu Zhang , Nitesh V. Chawla

Through the combination of crowdsourcing knowledge graph and teaching system, research methods to generate knowledge graph and its applications. Using two crowdsourcing approaches, crowdsourcing task distribution and reverse captcha…

数据库 · 计算机科学 2020-10-20 Jinta Weng , Ying Gao , Jing Qiu , Guozhu Ding , Huanqin Zheng

Large language models (LLMs) excel at complex reasoning but remain limited by static and incomplete parametric knowledge. Retrieval-augmented generation (RAG) mitigates this by incorporating external knowledge, yet existing RAGs struggle…

Graph neural networks (GNNs) are conventionally trained on a per-domain, per-task basis. It creates a significant barrier in transferring the acquired knowledge to different, heterogeneous data setups. This paper introduces GraphBridge, a…

机器学习 · 计算机科学 2025-03-04 Li Ju , Xingyi Yang , Qi Li , Xinchao Wang

Knowledge graph (KG) based Collaborative Filtering is an effective approach to personalizing recommendation systems for relatively static domains such as movies and books, by leveraging structured information from KG to enrich both item and…

信息检索 · 计算机科学 2022-04-05 Weizhe Lin , Linjun Shou , Ming Gong , Pei Jian , Zhilin Wang , Bill Byrne , Daxin Jiang

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

As question answering (QA) systems advance alongside the rapid evolution of foundation models, the need for robust, adaptable, and large-scale evaluation benchmarks becomes increasingly critical. Traditional QA benchmarks are often static…

计算与语言 · 计算机科学 2025-03-10 Preetam Prabhu Srikar Dammu , Himanshu Naidu , Chirag Shah

Applications of large open-domain knowledge graphs (KGs) to real-world problems pose many unique challenges. In this paper, we present extensions to Saga our platform for continuous construction and serving of knowledge at scale. In…

Processing large complex networks recently attracted considerable interest. Complex graphs are useful in a wide range of applications from technological networks to biological systems like the human brain. Sometimes these networks are…

数据结构与算法 · 计算机科学 2019-12-03 Christian Schulz

NeuralKG is an open-source Python-based library for diverse representation learning of knowledge graphs. It implements three different series of Knowledge Graph Embedding (KGE) methods, including conventional KGEs, GNN-based KGEs, and…

Knowledge Graph Completion (KGC), which aims to infer missing or incomplete facts, is a crucial task for KGs. However, integrating the vital structural information of KGs into Large Language Models (LLMs) and outputting predictions…

Knowledge Graph Embedding methods aim at representing entities and relations in a knowledge base as points or vectors in a continuous vector space. Several approaches using embeddings have shown promising results on tasks such as link…

In the last years, deep learning has shown to be a game-changing technology in artificial intelligence thanks to the numerous successes it reached in diverse application fields. Among others, the use of deep learning for the recommendation…

信息检索 · 计算机科学 2018-07-16 Vito Bellini , Angelo Schiavone , Tommaso Di Noia , Azzurra Ragone , Eugenio Di Sciascio

Knowledge Graph Completion (KGC) has garnered massive research interest recently, and most existing methods are designed following a transductive setting where all entities are observed during training. Despite the great progress on the…

计算与语言 · 计算机科学 2024-04-25 Zhiwen Xie , Yi Zhang , Guangyou Zhou , Jin Liu , Xinhui Tu , Jimmy Xiangji Huang

The rapid expansion of e-commerce platforms generates vast amounts of unstructured product data, creating significant challenges for information retrieval, recommendation systems, and data analytics. Knowledge Graphs (KGs) offer a…

人工智能 · 计算机科学 2025-11-17 Dimitar Peshevski , Riste Stojanov , Dimitar Trajanov

In the current digitalization era, capturing and effectively representing knowledge is crucial in most real-world scenarios. In this context, knowledge graphs represent a potent tool for retrieving and organizing a vast amount of…

Knowledge Graph (KG) is a graph based data structure to represent facts of the world where nodes represent real world entities or abstract concept and edges represent relation between the entities. Graph as representation for knowledge has…

社会与信息网络 · 计算机科学 2024-04-16 Manita Pote

Recent years have witnessed the prosperity of knowledge graph based recommendation system (KGRS), which enriches the representation of users, items, and entities by structural knowledge with striking improvement. Nevertheless, its…

信息检索 · 计算机科学 2024-07-10 Fake Lin , Xi Zhu , Ziwei Zhao , Deqiang Huang , Yu Yu , Xueying Li , Zhi Zheng , Tong Xu , Enhong Chen

Knowledge graphs (KGs) offer a rich representation for relational knowledge, but their irregular structure makes retrieval challenging: ego-graph expansion grows rapidly, and dense embedding methods struggle with multi-hop compositional…

机器学习 · 计算机科学 2026-05-25 Hamed Shirzad , Frederik Wenkel , Dominique Beaini , Danica J. Sutherland , Emmanuel Noutahi