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In this work, we share our experience on tele-knowledge pre-training for fault analysis, a crucial task in telecommunication applications that requires a wide range of knowledge normally found in both machine log data and product documents.…

Retrieval-Augmented Generation (RAG) improves factuality by grounding LLMs in external knowledge, yet conventional centralized RAG requires aggregating distributed data, raising privacy risks and incurring high retrieval latency and cost.…

Artificial Intelligence · Computer Science 2026-01-29 Wenqing Zhou , Yuxuan Yan , Qianqian Yang

Despite recent progress, Graphic User Interface (GUI) agents powered by Large Language Models (LLMs) struggle with complex mobile tasks due to limited app-specific knowledge. While UI Transition Graphs (UTGs) offer structured navigation…

In many domains of empirical sciences, discovering the causal structure within variables remains an indispensable task. Recently, to tackle with unoriented edges or latent assumptions violation suffered by conventional methods, researchers…

Machine Learning · Computer Science 2024-12-30 Shixuan Liu , Yanghe Feng , Keyu Wu , Guangquan Cheng , Jincai Huang , Zhong Liu

Electronic health records (EHRs) enable strong clinical prediction, but explanations are often coarse and hard to use for patient-level decisions. We propose a knowledge graph (KG)-guided chain-of-thought (CoT) framework for visit-level…

Artificial Intelligence · Computer Science 2026-03-03 Ruiyu Wang , Tuan Vinh , Ran Xu , Yuyin Zhou , Jiaying Lu , Carl Yang , Francisco Pasquel

Graph neural networks (GNNs) have become a powerful tool for processing graph-structured data but still face challenges in effectively aggregating and propagating information between layers, which limits their performance. We tackle this…

Machine Learning · Computer Science 2023-02-09 Maxim Fishman , Chaim Baskin , Evgenii Zheltonozhskii , Almog David , Ron Banner , Avi Mendelson

The issue localization task aims to identify the locations in a software repository that requires modification given a natural language issue description. This task is fundamental yet challenging in automated software engineering due to the…

Software Engineering · Computer Science 2025-12-30 Wei Liu , Chao Peng , Pengfei Gao , Aofan Liu , Wei Zhang , Haiyan Zhao , Zhi Jin

Cloud-native microservices enable rapid iteration and scalable deployment but also create complex, fast-evolving dependencies that challenge reliable diagnosis. Existing root cause analysis (RCA) approaches, even with multi-modal fusion of…

Software Engineering · Computer Science 2025-10-28 Songhan Zhang , Aoyang Fang , Yifan Yang , Ruiyi Cheng , Xiaoying Tang , Pinjia He

Knowledge representation learning has been commonly adopted to incorporate knowledge graph (KG) into various online services. Although existing knowledge representation learning methods have achieved considerable performance improvement,…

Machine Learning · Computer Science 2022-05-18 Binbin Hu , Zhiyang Hu , Zhiqiang Zhang , Jun Zhou , Chuan Shi

A truly effective diagnostic system provides system engineers with valuable insights into the behavior of their machines, leveraging a rich body of (often tacit) expertise. Much of this expertise typically resides in written documentation…

Other Computer Science · Computer Science 2025-09-03 Manzi Aimé Ntagengerwa , Georgiana Caltais , Mariëlle Stoelinga

Serverless becomes popular as a novel computing paradigms for cloud native services. However, the complexity and dynamic nature of serverless applications present significant challenges to ensure system availability and performance. There…

Software Engineering · Computer Science 2024-12-04 Jin Huang , Pengfei Chen , Guangba Yu , Yilun Wang , Haiyu Huang , Zilong He

Knowledge graph completion (KGC) aims to predict unseen edges in knowledge graphs (KGs), resulting in the discovery of new facts. A new class of methods have been proposed to tackle this problem by aggregating path information. These…

Machine Learning · Computer Science 2023-11-03 Harry Shomer , Yao Ma , Juanhui Li , Bo Wu , Charu C. Aggarwal , Jiliang Tang

Authoritative competency frameworks such as ESCO, ROME, and O*NET are essential for aligning education with labor market needs, yet their technical complexity and structural heterogeneity hinder practical adoption by educators. This paper…

Information Retrieval · Computer Science 2026-05-05 Ngoc Luyen Le , Marie-Hélène Abel , Bertrand Laforge

Reliability is essential for ensuring efficiency in LLM training. However, many real-world reliability issues remain difficult to resolve, resulting in wasted resources and degraded model performance. Unfortunately, today's collective…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-04 Yangtao Deng , Lei Zhang , Qinlong Wang , Xiaoyun Zhi , Xinlei Zhang , Zhuo Jiang , Haohan Xu , Lei Wang , Zuquan Song , Gaohong Liu , Yang Bai , Shuguang Wang , Wencong Xiao , Jianxi Ye , Minlan Yu , Hong Xu

Knowledge graph (KG) alignment - the task of recognizing entities referring to the same thing in different KGs - is recognized as one of the most important operations in the field of KG construction and completion. However, existing…

Computation and Language · Computer Science 2022-03-16 Vinh Van Tong , Thanh Trung Huynh , Thanh Tam Nguyen , Hongzhi Yin , Quoc Viet Hung Nguyen , Quyet Thang Huynh

Knowledge graphs (KGs) are the cornerstone of the semantic web, offering up-to-date representations of real-world entities and relations. Yet large language models (LLMs) remain largely static after pre-training, causing their internal…

Computation and Language · Computer Science 2026-03-24 Songlin Zhai , Guilin Qi , Yue Wang , Yuan Meng

In the analysis of large-scale network data, a fundamental operation is the comparison of observed phenomena to the predictions provided by null models: when we find an interesting structure in a family of real networks, it is important to…

Social and Information Networks · Computer Science 2021-02-26 Katherine Van Koevering , Austin R. Benson , Jon Kleinberg

Distributed Systems involve two or more computer systems which may be situated at geographically distinct locations and are connected by a communication network. Due to failures in the communication link, faults arise which may make the…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-12-20 Poorva Kulkarni , Varsha Deshpande , Latika Sarna , Sumedha Shenolikar , Supriya Kelkar

Fault Localization (FL) aims to identify root causes of program failures. FL typically targets failures observed from test executions, and as such, often involves dynamic analyses to improve accuracy, such as coverage profiling or mutation…

Software Engineering · Computer Science 2025-10-28 Sungmin Kang , Sumi Yun , Jingun Hong , Shin Yoo , Gabin An

In this work, we focus on the problem of entity alignment in Knowledge Graphs (KG) and we report on our experiences when applying a Graph Convolutional Network (GCN) based model for this task. Variants of GCN are used in multiple…

Machine Learning · Computer Science 2021-05-27 Max Berrendorf , Evgeniy Faerman , Valentyn Melnychuk , Volker Tresp , Thomas Seidl