English
Related papers

Related papers: Topological Analysis for Identifying Anomalies in …

200 papers

Advanced integration of logistics systems has been promoted for the sake of competitiveness and sustainability. Such efforts will enable more globally optimal and flexible operations by efficiently utilizing transportation capacity. At the…

Physics and Society · Physics 2022-03-29 Takahiro Ezaki , Naoto Imura , Katsuhiro Nishinari

Feature maps, that preserve the global topology of arbitrary datasets, can be formed by self-organizing competing agents. So far, it has been presumed that global interaction of agents is necessary for this process. We establish that this…

Machine Learning · Computer Science 2019-02-12 Abbas Siddiqui , Dionysios Georgiadis

In many distributed systems, from cloud to sensor networks, different configurations impact system performance, while strongly depending on the network topology. Hence, topological changes may entail costly reconfiguration and optimisation…

Multiagent Systems · Computer Science 2020-12-01 Arles Rodríguez , Jonatan Gómez , Ada Diaconescu

The Computing Continuum (CC) integrates different layers of processing infrastructure, from Edge to Cloud, to optimize service quality through ubiquitous and reliable computation. Compared to central architectures, however, heterogeneous…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-18 Boris Sedlak , Víctor Casamayor Pujol , Ildefons Magrans de Abril , Praveen Kumar Donta , Adel N. Toosi , Schahram Dustdar

Long lived topological features are distinguished from short lived ones (considered as topological noise) in simplicial complexes constructed from complex networks. A new topological invariant, persistent homology, is determined and…

Mathematical Physics · Physics 2009-11-13 Danijela Horak , Slobodan Maletic , Milan Rajkovic

Topological data analysis is an emerging area in exploratory data analysis and data mining. Its main tool, persistent homology, has become a popular technique to study the structure of complex, high-dimensional data. In this paper, we…

Graphics · Computer Science 2017-10-04 Mustafa Hajij , Bei Wang , Carlos Scheidegger , Paul Rosen

A decomposition of the energy and helicity fluxes in a turbulent hydrodynamic flow is proposed. The decomposition is based on the projection of the flow to a helical basis that allows to investigate separately the role of interactions among…

Fluid Dynamics · Physics 2017-03-08 Alexandros Alexakis

Aggregated HPC resources have rigid allocation systems and programming models which struggle to adapt to diverse and changing workloads. Consequently, HPC systems fail to efficiently use the large pools of unused memory and increase the…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-29 Marcin Copik , Marcin Chrapek , Larissa Schmid , Alexandru Calotoiu , Torsten Hoefler

A collaboration network is a graph formed by communication channels between parties. Parties communicate over these channels to establish secrets, simultaneously enforcing interdependencies between the secrets. The paper studies properties…

Logic in Computer Science · Computer Science 2010-11-02 Sara Miner More , Pavel Naumov

The state-of-the-art topologies of datacenter networks are fixed, based on electrical switching technology, and by now, we understand their throughput and cost well. For the past years, researchers have been developing novel optical…

Networking and Internet Architecture · Computer Science 2024-02-15 Chen Griner , Chen Avin

We consider the task of topology discovery of sparse random graphs using end-to-end random measurements (e.g., delay) between a subset of nodes, referred to as the participants. The rest of the nodes are hidden, and do not provide any…

Social and Information Networks · Computer Science 2012-03-06 Animashree Anandkumar , Avinatan Hassidim , Jonathan Kelner

The harmonic influence is a measure of the importance of nodes in social networks, which can be approximately computed by a distributed message-passing algorithm. In this extended abstract we look at two open questions about this algorithm.…

Optimization and Control · Mathematics 2018-04-20 Wilbert Samuel Rossi , Paolo Frasca

Topology identification (TI) in distribution networks is a challenging task due to the limited measurement resources and therefore the inevitable need to use pseudo-measurements that are often inaccurate. To address this issue, a new method…

Systems and Control · Electrical Eng. & Systems 2020-12-09 Lei Chen , Mohammad Farajollahi , Mahdi Ghamkhari , Wei Zhao , Songling Huang , Hamed Mohsenian-Rad

As both machine learning models and the datasets on which they are evaluated have grown in size and complexity, the practice of using a few summary statistics to understand model performance has become increasingly problematic. This is…

Typical design flows are hierarchical and rely on assembling many individual technology elements from standard cells to complete boards. Providers use compact models to provide simplified views of their products to their users. Designers…

Hardware Architecture · Computer Science 2021-04-23 Dan Alexandrescu , Aneesh Balakrishnan , Thomas Lange , Maximilien Glorieux

In this paper, we consider networked systems comprised of interconnected sets of linear subsystems and propose a decentralized and compositional approach to stabilize or dissipativate such linear networked systems via optimally modifying…

Systems and Control · Electrical Eng. & Systems 2023-05-05 Shirantha Welikala , Hai Lin , Panos J. Antsaklis

Inferring network topology from dynamical observations is a fundamental problem pervading research on complex systems. Here, we present a simple, direct method to infer the structural connection topology of a network, given an observation…

Chaotic Dynamics · Physics 2015-05-19 Srinivas Gorur Shandilya , Marc Timme

Concurrent separation logics have helped to significantly simplify correctness proofs for concurrent data structures. However, a recurring problem in such proofs is that data structure abstractions that work well in the sequential setting…

Logic in Computer Science · Computer Science 2017-11-10 Siddharth Krishna , Dennis Shasha , Thomas Wies

Topology and machine learning are two actively researched topics not only in condensed matter physics, but also in data science. Here, we propose the use of topological data analysis in unsupervised learning of the topological phase…

Mesoscale and Nanoscale Physics · Physics 2022-05-12 Sungjoon Park , Yoonseok Hwang , Bohm-Jung Yang

A proper configuration of an information system can ensure accuracy and efficiency, among other system objectives. Conversely, a poor configuration can have a significant negative impact on the system's performance, reliability, and cost.…

Software Engineering · Computer Science 2022-06-06 Jörn Kuhlenkamp , Sebastian Werner , Chin Hong Tran , Stefan Tai