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The specific characteristics of graph workloads make it hard to design a one-size-fits-all graph storage system. Systems that support transactional updates use data structures with poor data locality, which limits the efficiency of…

Databases · Computer Science 2020-09-01 Xiaowei Zhu , Guanyu Feng , Marco Serafini , Xiaosong Ma , Jiping Yu , Lei Xie , Ashraf Aboulnaga , Wenguang Chen

A graph-based sampling and consensus (GraphSAC) approach is introduced to effectively detect anomalous nodes in large-scale graphs. Existing approaches rely on connectivity and attributes of all nodes to assign an anomaly score per node.…

Machine Learning · Computer Science 2019-10-23 Vassilis N. Ioannidis , Dimitris Berberidis , Georgios B. Giannakis

Modern distributed systems generate large volumes of logs that can be analyzed to support essential AIOps tasks such as fault diagnosis, which plays a crucial role in maintaining system reliability. Most existing approaches rely on…

Software Engineering · Computer Science 2026-04-16 Mathis Nguyen , Mohamed Ali Lajnef

Graph-structured data is prevalent in domains such as social networks, financial transactions, brain networks, and protein interactions. As a result, the research community has produced new databases and analytics engines to process such…

Databases · Computer Science 2024-04-02 Puneet Mehrotra , Vaastav Anand , Daniel Margo , Milad Rezaei Hajidehi , Margo Seltzer

Changing the transmission system topology is an efficient and costless lever to reduce congestion or increase exchange capacities. The problem of finding the optimal switch states within substations is called Optimal Substation…

Systems and Control · Electrical Eng. & Systems 2026-04-02 Antoine Martinez , Balthazar Donon , Louis Wehenkel , Efthymios Karangelos

Existing offline hierarchical reinforcement learning methods rely on high-level policy learning to generate subgoal sequences. However, their efficiency degrades as task horizons increase, and they lack effective strategies for stitching…

Machine Learning · Computer Science 2025-07-08 Seungho Baek , Taegeon Park , Jongchan Park , Seungjun Oh , Yusung Kim

This paper addresses the challenge of understanding the waiting dependencies between the threads and hardware resources required to complete a task. The objective is to improve software performance by detecting the underlying bottlenecks…

Software Engineering · Computer Science 2021-03-09 Naser Ezzati-Jivan , Quentin Fournier , Michel R. Dagenais , Abdelwahab Hamou-Lhadj

Spectral Toolkit of Algorithms for Graphs (STAG) is an open-source library for efficient graph algorithms. This technical report presents the newly implemented component on locality sensitive hashing, kernel density estimation, and fast…

Data Structures and Algorithms · Computer Science 2024-07-11 Peter Macgregor , He Sun

Effectively capturing intricate interactions among road users is of critical importance to achieving safe navigation for autonomous vehicles. While graph learning (GL) has emerged as a promising approach to tackle this challenge, existing…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Junyao Wang , Arnav Vaibhav Malawade , Junhong Zhou , Shih-Yuan Yu , Mohammad Abdullah Al Faruque

Graphs may be used to represent many different problem domains -- a concrete example is that of detecting communities in social networks, which are represented as graphs. With big data and more sophisticated applications becoming widespread…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-04-03 Miguel E. Coimbra , Alexandre P. Francisco , Luis Veiga

Road network data provides rich information about cities, but processing worldwide OpenStreetMap (OSM) data is computationally intensive, and the resulting graphs are often difficult to unify for benchmarking downstream tasks. Existing…

Databases · Computer Science 2026-05-22 Guanjie Zheng , Ziyang Su , Yiheng Wang , Yuhang Luo , Hongwei Zhang , Xuanhe Zhou , Linghe Kong , Fan Wu , Wen Ling

The increasing complexity of the software/hardware stack of modern supercomputers results in explosion of parameters. The performance analysis becomes a truly experimental science, even more challenging in the presence of massive…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-07-27 Jesun Sahariar Firoz , Thejaka Amila Kanewala , Marcin Zalewski , Martina Barnas , Andrew Lumsdaine

Open-source software serves as a foundation for the internet and the cyber supply chain, but its exploitation is becoming increasingly prevalent. While advances in vulnerability detection for OSS have been significant, prior research has…

Cryptography and Security · Computer Science 2024-12-02 Zhuoran Tan , Christos Anagnosstopoulos , Jeremy Singer

The rapidly growing number of large network analysis problems has led to the emergence of many parallel and distributed graph processing systems---one survey in 2014 identified over 80. Since then, the landscape has evolved; some packages…

Performance · Computer Science 2017-05-18 Samuel Pollard , Boyana Norris

The Open Research Knowledge Graph (ORKG) provides machine-actionable access to scholarly literature that habitually is written in prose. Following the FAIR principles, the ORKG makes traditional, human-coded knowledge findable, accessible,…

Digital Libraries · Computer Science 2020-06-25 Mila Runnwerth , Markus Stocker , Sören Auer

Significant advancements have been made in the capabilities of code large language models, leading to their rapid adoption and application across a wide range of domains. However, their further advancements are often constrained by the…

Software Engineering · Computer Science 2025-09-19 Xifeng Yao , Dongyu Lang , Wu Zhang , Xintong Guo , Huarui Xie , Yinhao Ni , Ping Liu , Guang Shen , Yi Bai , Dandan Tu , Changzheng Zhang

We experimentally evaluate the practical state-of-the-art in graph bipartization (Odd Cycle Transversal), motivated by recent advances in near-term quantum computing hardware and the related embedding problems. We assemble a preprocessing…

Discrete Mathematics · Computer Science 2021-03-22 Timothy D. Goodrich , Eric Horton , Blair D. Sullivan

Tabular log abstracts objects and events in the real-world system and reports their updates to reflect the change of the system, where one can detect real-world inconsistencies efficiently by debugging corresponding log entries. However,…

Machine Learning · Computer Science 2025-12-30 Chumeng Liang , Zhanyang Jin , Zahaib Akhtar , Mona Pereira , Haofei Yu , Jiaxuan You

Dataflow devices represent an avenue towards saving the control and data movement overhead of Load-Store Architectures. Various dataflow accelerators have been proposed, but how to efficiently schedule applications on such devices remains…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-06 Tiziano De Matteis , Lukas Gianinazzi , Johannes de Fine Licht , Torsten Hoefler

We introduce Object Graph Programming (OGO), which enables reading and modifying an object graph (i.e., the entire state of the object heap) via declarative queries. OGO models the objects and their relations in the heap as an object graph…

Software Engineering · Computer Science 2024-02-06 Aditya Thimmaiah , Leonidas Lampropoulos , Christopher J. Rossbach , Milos Gligoric