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Related papers: Knowledge Graph Reasoning with Relational Digraph

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Graph neural networks have demonstrated state-of-the-art performance on knowledge graph tasks such as link prediction. However, interpreting GNN predictions remains a challenging open problem. While many GNN explainability methods have been…

Machine Learning · Computer Science 2025-06-17 Ryoji Kubo , Djellel Difallah

Multi-paragraph reasoning is indispensable for open-domain question answering (OpenQA), which receives less attention in the current OpenQA systems. In this work, we propose a knowledge-enhanced graph neural network (KGNN), which performs…

Computation and Language · Computer Science 2019-11-07 Deming Ye , Yankai Lin , Zhenghao Liu , Zhiyuan Liu , Maosong Sun

Despite the rapid progress of large language models (LLMs), knowledge graph-based question answering (KGQA) remains essential for producing verifiable and hallucination-resistant answers in many real-world settings where answer…

Computation and Language · Computer Science 2026-01-21 Ruijie Wang , Luca Rossetto , Michael Cochez , Abraham Bernstein

Large language models (LLMs) often struggle with knowledge-intensive tasks due to a lack of background knowledge and a tendency to hallucinate. To address these limitations, integrating knowledge graphs (KGs) with LLMs has been intensively…

Computation and Language · Computer Science 2025-06-13 Yilin Xiao , Chuang Zhou , Qinggang Zhang , Bo Li , Qing Li , Xiao Huang

Sparse knowledge graph (KG) scenarios pose a challenge for previous Knowledge Graph Completion (KGC) methods, that is, the completion performance decreases rapidly with the increase of graph sparsity. This problem is also exacerbated…

Artificial Intelligence · Computer Science 2023-06-30 Tao He , Ming Liu , Yixin Cao , Zekun Wang , Zihao Zheng , Zheng Chu , Bing Qin

Recently, significant attention has been given to the idea of viewing relational databases as heterogeneous graphs, enabling the application of graph neural network (GNN) technology for predictive tasks. However, existing GNN methods…

Machine Learning · Computer Science 2025-02-26 Francesco Ferrini , Antonio Longa , Andrea Passerini , Manfred Jaeger

Traditional computer vision approaches, based on neural networks (NN), are typically trained on a large amount of image data. By minimizing the cross-entropy loss between a prediction and a given class label, the NN and its visual embedding…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Sebastian Monka , Lavdim Halilaj , Stefan Schmid , Achim Rettinger

Abductive reasoning is the process of making educated guesses to provide explanations for observations. Although many applications require the use of knowledge for explanations, the utilization of abductive reasoning in conjunction with…

Artificial Intelligence · Computer Science 2024-06-21 Jiaxin Bai , Yicheng Wang , Tianshi Zheng , Yue Guo , Xin Liu , Yangqiu Song

Representation learning on heterogeneous graphs aims to obtain meaningful node representations to facilitate various downstream tasks, such as node classification and link prediction. Existing heterogeneous graph learning methods are…

Machine Learning · Computer Science 2022-04-19 Le Yu , Leilei Sun , Bowen Du , Chuanren Liu , Weifeng Lv , Hui Xiong

Large Language Models (LLMs) excel at intuitive, implicit reasoning. Guiding LLMs to construct thought chains can enhance their deliberate reasoning abilities, but also faces challenges such as hallucination. Knowledge Graphs (KGs) can…

Computation and Language · Computer Science 2025-03-07 Guangyi Liu , Yongqi Zhang , Yong Li , Quanming Yao

Recently Graph Neural Network (GNN) has been applied successfully to various NLP tasks that require reasoning, such as multi-hop machine reading comprehension. In this paper, we consider a novel case where reasoning is needed over graphs…

Computation and Language · Computer Science 2020-04-13 Ming Tu , Jing Huang , Xiaodong He , Bowen Zhou

Knowledge graph (KG) is known to be helpful for the task of question answering (QA), since it provides well-structured relational information between entities, and allows one to further infer indirect facts. However, it is challenging to…

Machine Learning · Computer Science 2017-11-29 Yuyu Zhang , Hanjun Dai , Zornitsa Kozareva , Alexander J. Smola , Le Song

Knowledge graph (KG) is an abstraction that can be extracted from text corpora and used for in-depth reasoning. Prior work has leveraged KGs to fine-tune language models (LMs), enabling domain-specific superintelligence. In this work, we…

Computation and Language · Computer Science 2026-05-28 Jake Stephen , Niraj K. Jha

Developing models that can learn to reason is a notoriously challenging problem. We focus on reasoning in relational domains, where the use of Graph Neural Networks (GNNs) seems like a natural choice. However, previous work has shown that…

Artificial Intelligence · Computer Science 2025-03-03 Irtaza Khalid , Steven Schockaert

Knowledge Graph Question Answering (KGQA) involves retrieving entities as answers from a Knowledge Graph (KG) using natural language queries. The challenge is to learn to reason over question-relevant KG facts that traverse KG entities and…

Computation and Language · Computer Science 2022-10-26 Costas Mavromatis , George Karypis

In this paper, we investigate the problem of facial kinship verification by learning hierarchical reasoning graph networks. Conventional methods usually focus on learning discriminative features for each facial image of a paired sample and…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Wanhua Li , Jiwen Lu , Abudukelimu Wuerkaixi , Jianjiang Feng , Jie Zhou

Fact-checking is a crucial task as it ensures the prevention of misinformation. However, manual fact-checking cannot keep up with the rate at which false information is generated and disseminated online. Automated fact-checking by machines…

Artificial Intelligence · Computer Science 2023-10-12 Gustav Nikopensius , Mohit Mayank , Orchid Chetia Phukan , Rajesh Sharma

Knowledge graph (KG) reasoning is becoming increasingly popular in both academia and industry. Conventional KG reasoning based on symbolic logic is deterministic, with reasoning results being explainable, while modern embedding-based…

Artificial Intelligence · Computer Science 2022-02-16 Wen Zhang , Jiaoyan Chen , Juan Li , Zezhong Xu , Jeff Z. Pan , Huajun Chen

Question Answering over Knowledge Graph (KGQA) aims to seek answer entities for the natural language question from a large-scale Knowledge Graph~(KG). To better perform reasoning on KG, recent work typically adopts a pre-trained language…

Computation and Language · Computer Science 2024-01-02 Jinhao Jiang , Kun Zhou , Wayne Xin Zhao , Yaliang Li , Ji-Rong Wen

Temporal Knowledge Graph (TKG) is an extension of traditional Knowledge Graph (KG) that incorporates the dimension of time. Reasoning on TKGs is a crucial task that aims to predict future facts based on historical occurrences. The key…

Artificial Intelligence · Computer Science 2024-01-26 Hao Dong , Pengyang Wang , Meng Xiao , Zhiyuan Ning , Pengfei Wang , Yuanchun Zhou