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Related papers: Knowledge Graph Reasoning with Relational Digraph

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Incorporating knowledge graph into recommender systems has attracted increasing attention in recent years. By exploring the interlinks within a knowledge graph, the connectivity between users and items can be discovered as paths, which…

Information Retrieval · Computer Science 2018-11-13 Xiang Wang , Dingxian Wang , Canran Xu , Xiangnan He , Yixin Cao , Tat-Seng Chua

We propose a novel technique to enhance Knowledge Graph Reasoning by combining Graph Convolution Neural Network (GCN) with the Attention Mechanism. This approach utilizes the Attention Mechanism to examine the relationships between entities…

Information Retrieval · Computer Science 2025-03-24 Meera Gupta , Ravi Khanna , Divya Choudhary , Nandini Rao

Answer selection, which is involved in many natural language processing applications such as dialog systems and question answering (QA), is an important yet challenging task in practice, since conventional methods typically suffer from the…

Computation and Language · Computer Science 2021-04-13 Yang Deng , Yuexiang Xie , Yaliang Li , Min Yang , Wai Lam , Ying Shen

Knowledge graphs offer a structured representation of real-world entities and their relationships, enabling a wide range of applications from information retrieval to automated reasoning. In this paper, we conduct a systematic comparison…

Machine Learning · Computer Science 2025-07-31 Thanh Hoang-Minh

To alleviate the cold start problem caused by collaborative filtering in recommender systems, knowledge graphs (KGs) are increasingly employed by many methods as auxiliary resources. However, existing work incorporated with KGs cannot…

Machine Learning · Computer Science 2020-09-10 Xinze Lyu , Guangyao Li , Jiacheng Huang , Wei Hu

Incorporating Knowledge Graphs (KG) into recommeder system has attracted considerable attention. Recently, the technical trend of Knowledge-aware Recommendation (KGR) is to develop end-to-end models based on graph neural networks (GNNs).…

Information Retrieval · Computer Science 2022-08-23 Ding Zou , Wei Wei , Ziyang Wang , Xian-Ling Mao , Feida Zhu , Rui Fang , Dangyang Chen

Graph, such as citation networks, social networks, and transportation networks, are prevalent in the real world. Graph Neural Networks (GNNs) have gained widespread attention for their robust expressiveness and exceptional performance in…

Machine Learning · Computer Science 2023-03-01 Jing Liu , Tongya Zheng , Guanzheng Zhang , Qinfen Hao

Graph Attention Network (GAT) focuses on modelling simple undirected and single relational graph data only. This limits its ability to deal with more general and complex multi-relational graphs that contain entities with directed links of…

Artificial Intelligence · Computer Science 2021-09-14 Meiqi Chen , Yuan Zhang , Xiaoyu Kou , Yuntao Li , Yan Zhang

Multi-hop reading comprehension focuses on one type of factoid question, where a system needs to properly integrate multiple pieces of evidence to correctly answer a question. Previous work approximates global evidence with local…

Computation and Language · Computer Science 2018-09-07 Linfeng Song , Zhiguo Wang , Mo Yu , Yue Zhang , Radu Florian , Daniel Gildea

Textual logical reasoning, especially question-answering (QA) tasks with logical reasoning, requires awareness of particular logical structures. The passage-level logical relations represent entailment or contradiction between propositional…

Computation and Language · Computer Science 2023-04-20 Yinya Huang , Lemao Liu , Kun Xu , Meng Fang , Liang Lin , Xiaodan Liang

We study the problem of learning to reason in large scale knowledge graphs (KGs). More specifically, we describe a novel reinforcement learning framework for learning multi-hop relational paths: we use a policy-based agent with continuous…

Computation and Language · Computer Science 2018-07-10 Wenhan Xiong , Thien Hoang , William Yang Wang

Graphs can represent relational information among entities and graph structures are widely used in many intelligent tasks such as search, recommendation, and question answering. However, most of the graph-structured data in practice suffers…

Information Retrieval · Computer Science 2021-12-30 Hanxiong Chen , Yunqi Li , Shaoyun Shi , Shuchang Liu , He Zhu , Yongfeng Zhang

Knowledge graph (KG) completion aims to fill the missing facts in a KG, where a fact is represented as a triple in the form of $(subject, relation, object)$. Current KG completion models compel two-thirds of a triple provided (e.g.,…

Machine Learning · Computer Science 2019-01-01 Lingbing Guo , Qingheng Zhang , Weiyi Ge , Wei Hu , Yuzhong Qu

Knowledge graph (KG) based reasoning has been regarded as an effective means for the analysis of semantic networks and is of great usefulness in areas of information retrieval, recommendation, decision-making, and man-machine interaction.…

Artificial Intelligence · Computer Science 2024-01-18 Qinghua Huang , Yongzhen Wang

In Knowledge Graphs (KGs), where the schema of the data is usually defined by particular ontologies, reasoning is a necessity to perform a range of tasks, such as retrieval of information, question answering, and the derivation of new…

Artificial Intelligence · Computer Science 2025-02-27 Anastasios Nentidis , Charilaos Akasiadis , Angelos Charalambidis , Alexander Artikis

Reasoning over knowledge graphs (KGs) with first-order logic (FOL) queries is challenging due to the inherent incompleteness of real-world KGs and the compositional complexity of logical query structures. Most existing methods rely on…

Computation and Language · Computer Science 2025-12-23 Ziyan Zhang , Chao Wang , Zhuo Chen , Lei Chen , Chiyi Li , Kai Song

Existing multi-relational graph neural networks use one of two strategies for identifying informative relations: either they reduce this problem to low-level weight learning, or they rely on handcrafted chains of relational dependencies,…

Machine Learning · Computer Science 2023-11-21 Francesco Ferrini , Antonio Longa , Andrea Passerini , Manfred Jaeger

Reasoning is a fundamental problem for computers and deeply studied in Artificial Intelligence. In this paper, we specifically focus on answering multi-hop logical queries on Knowledge Graphs (KGs). This is a complicated task because, in…

Artificial Intelligence · Computer Science 2022-09-30 Alfonso Amayuelas , Shuai Zhang , Susie Xi Rao , Ce Zhang

In this work, we introduce a new algorithm for analyzing a diagram, which contains visual and textual information in an abstract and integrated way. Whereas diagrams contain richer information compared with individual image-based or…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Daesik Kim , Youngjoon Yoo , Jeesoo Kim , Sangkuk Lee , Nojun Kwak

Knowledge distillation (KD) techniques have emerged as a powerful tool for transferring expertise from complex teacher models to lightweight student models, particularly beneficial for deploying high-performance models in…

Machine Learning · Computer Science 2025-10-28 Paul Agbaje , Arkajyoti Mitra , Afia Anjum , Pranali Khose , Ebelechukwu Nwafor , Habeeb Olufowobi