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The convergence of Information Technology (IT) and Operational Technology (OT) is a critical enabler for achieving autonomous and intelligent industrial systems. However, the increasing complexity, heterogeneity, and real-time demands of…

Networking and Internet Architecture · Computer Science 2025-09-30 Tuğçe Bilen , Mehmet Ozdem

Alarm root cause analysis is a significant component in the day-to-day telecommunication network maintenance, and it is critical for efficient and accurate fault localization and failure recovery. In practice, accurate and self-adjustable…

Machine Learning · Computer Science 2021-05-10 Keli Zhang , Marcus Kalander , Min Zhou , Xi Zhang , Junjian Ye

Performance monitoring, anomaly detection, and root-cause analysis in complex cyber-physical systems (CPSs) are often highly intractable due to widely diverse operational modes, disparate data types, and complex fault propagation…

Machine Learning · Statistics 2018-06-01 Chao Liu , Kin Gwn Lore , Zhanhong Jiang , Soumik Sarkar

Knowledge graphs (KGs) play a vital role in enhancing search results and recommendation systems. With the rapid increase in the size of the KGs, they are becoming inaccuracy and incomplete. This problem can be solved by the knowledge graph…

Machine Learning · Computer Science 2024-08-06 Wanxu Wei , Yitong Song , Bin Yao

To facilitate knowledge reuse in engineering design, several dataset approaches have been proposed and applied by designers. This paper builds a patent-based knowledge graph, patent-KG, to represent the knowledge facts in patents for…

Information Retrieval · Computer Science 2021-09-17 Haoyu Zuo , Yuan Yin , Peter Childs

Automation and computer intelligence to support complex human decisions becomes essential to manage large and distributed systems in the Cloud and IoT era. Understanding the root cause of an observed symptom in a complex system has been a…

Artificial Intelligence · Computer Science 2017-07-04 Marc Solé , Victor Muntés-Mulero , Annie Ibrahim Rana , Giovani Estrada

Knowledge graphs, as the cornerstone of many AI applications, usually face serious incompleteness problems. In recent years, there have been many efforts to study automatic knowledge graph completion (KGC), most of which use existing…

Computation and Language · Computer Science 2022-10-13 Xin Lv , Yankai Lin , Zijun Yao , Kaisheng Zeng , Jiajie Zhang , Lei Hou , Juanzi Li

Short-term route prediction on road networks allows us to anticipate the future trajectories of road users, enabling various applications ranging from dynamic traffic control to personalized navigation. Despite recent advances in this area,…

Social and Information Networks · Computer Science 2025-10-02 Yihong Tang , Zhan Zhao , Weipeng Deng , Shuyu Lei , Yuebing Liang , Zhenliang Ma

Retrieval-Augmented Generation (RAG) enhances language models by grounding responses in external information, yet explainability remains a critical challenge, particularly when retrieval relies on unstructured text. Knowledge graphs (KGs)…

Machine Learning · Computer Science 2025-07-14 Georgios Balanos , Evangelos Chasanis , Konstantinos Skianis , Evaggelia Pitoura

This study proposes Structural Gating and Effect-aligned Discovery for Temporal Causal Discovery (SGED-TCD), a novel and general framework for lag-resolved causal discovery in complex multivariate time series. SGED-TCD combines explicit…

Machine Learning · Computer Science 2026-04-14 Rui Chen , Jinsong Wu

In recent years, countless research papers have addressed the topics of knowledge graph creation, extension, or completion in order to create knowledge graphs that are larger, more correct, or more diverse. This research is typically…

Artificial Intelligence · Computer Science 2023-08-22 Nicolas Heist , Sven Hertling , Heiko Paulheim

Graph classification is a pivotal challenge in machine learning, especially within the realm of graph-based data, given its importance in numerous real-world applications such as social network analysis, recommendation systems, and…

Machine Learning · Computer Science 2024-07-03 Bowen Zhang , Zhichao Huang , Genan Dai , Guangning Xu , Xiaomao Fan , Hu Huang

Knowledge Graphs (KGs) have gained considerable attention recently from both academia and industry. In fact, incorporating graph technology and the copious of various graph datasets have led the research community to build sophisticated…

Artificial Intelligence · Computer Science 2020-06-03 Bilal Abu-Salih , Marwan Al-Tawil , Ibrahim Aljarah , Hossam Faris , Pornpit Wongthongtham

Chart images, such as bar charts, pie charts, and line charts, are explosively produced due to the wide usage of data visualizations. Accordingly, knowledge mining from chart images is becoming increasingly important, which can benefit…

Artificial Intelligence · Computer Science 2024-10-15 Zhiguang Zhou , Haoxuan Wang , Zhengqing Zhao , Fengling Zheng , Yongheng Wang , Wei Chen , Yong Wang

To enhance the intelligence degree in operation and maintenance, a novel method for fault detection in power grids is proposed. The proposed GNN-based approach first identifies fault nodes through a specialized feature extraction method…

Machine Learning · Computer Science 2024-01-30 Hao Pei , Si Lin , Chuanfu Li , Che Wang , Haoming Chen , Sizhe Li

Knowledge Graphs (KGs) are foundational to applications such as search, question answering, and recommendation. Conventional knowledge graph construction methods are predominantly static, rely ing on a single-step construction from a fixed…

Artificial Intelligence · Computer Science 2026-03-23 Weidong Bao , Yilin Wang , Ruyu Gao , Fangling Leng , Yubin Bao , Ge Yu

Retrieval-augmented generation (RAG) is a well-suited technique for retrieving privacy-sensitive Electronic Health Records (EHR). It can serve as a key module of the healthcare copilot, helping reduce misdiagnosis for healthcare…

Computation and Language · Computer Science 2025-06-30 Xuejiao Zhao , Siyan Liu , Su-Yin Yang , Chunyan Miao

Background: Computational drug repurposing is a cost- and time-efficient approach that aims to identify new therapeutic targets or diseases (indications) of existing drugs/compounds. It is especially critical for emerging and/or orphan…

Quantitative Methods · Quantitative Biology 2023-04-26 Chunyu Ma , Zhihan Zhou , Han Liu , David Koslicki

Knowledge Graph-based Question Answering (KGQA) plays a pivotal role in complex reasoning tasks but remains constrained by two persistent challenges: the structural heterogeneity of Knowledge Graphs(KGs) often leads to semantic mismatch…

Computation and Language · Computer Science 2026-05-19 Peng Yu , En Xu , Bin Chen , Haibiao Chen , Yinfei Xu

Grounding dialogue system with external knowledge is a promising way to improve the quality of responses. Most existing works adopt knowledge graphs (KGs) as the external resources, paying attention to the contribution of entities in the…

Computation and Language · Computer Science 2022-07-19 Kexin Wang , Zhixu Li , Jiaan Wang , Jianfeng Qu , Ying He , An Liu , Lei Zhao