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Complex heterogeneous dynamic networks like knowledge graphs are powerful constructs that can be used in modeling data provenance from computer systems. From a security perspective, these attributed graphs enable causality analysis and…

Cryptography and Security · Computer Science 2022-03-08 Maya Kapoor , Joshua Melton , Michael Ridenhour , Mahalavanya Sriram , Thomas Moyer , Siddharth Krishnan

Graph traversals are a basic but fundamental ingredient for a variety of graph algorithms and graph-oriented queries. To achieve the best possible query performance, they need to be implemented at the core of a database management system…

Databases · Computer Science 2014-12-22 Marcus Paradies , Wolfgang Lehner , Christof Bornhoevd

We present Thistle, a fully functional vector database. Thistle is an entry into the domain of latent knowledge use in answering search queries, an ongoing research topic at both start-ups and search engine companies. We implement Thistle…

Information Retrieval · Computer Science 2023-03-30 Brad Windsor , Kevin Choi

This paper describes HyperStream, a large-scale, flexible and robust software package, written in the Python language, for processing streaming data with workflow creation capabilities. HyperStream overcomes the limitations of other…

Machine Learning · Computer Science 2019-08-09 Tom Diethe , Meelis Kull , Niall Twomey , Kacper Sokol , Hao Song , Miquel Perello-Nieto , Emma Tonkin , Peter Flach

We introduce PathQuery, a graph query language developed to scale with Google's query and data volumes as well as its internal developer community. PathQuery supports flexible and declarative semantics. We have found that this enables query…

Databases · Computer Science 2021-06-21 Jesse Weaver , Eric Paniagua , Tushar Agarwal , Nicholas Guy , Alexandre Mattos

Qhronology is a novel scientific-computing package for studying quantum models of closed timelike curves (CTCs) and simulating general quantum information processing and computation. Written in Python, the program provides a comprehensive…

Quantum Physics · Physics 2026-04-15 Lachlan G. Bishop

Dask is a distributed task framework which is commonly used by data scientists to parallelize Python code on computing clusters with little programming effort. It uses a sophisticated work-stealing scheduler which has been hand-tuned to…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-01-21 Stanislav Böhm , Jakub Beránek

We introduce GraSPy, a Python library devoted to statistical inference, machine learning, and visualization of random graphs and graph populations. This package provides flexible and easy-to-use algorithms for analyzing and understanding…

Social and Information Networks · Computer Science 2019-10-25 Jaewon Chung , Benjamin D. Pedigo , Eric W. Bridgeford , Bijan K. Varjavand , Hayden S. Helm , Joshua T. Vogelstein

AlphaTwirl is a Python library that summarizes large event data into multivariate categorical data, which can be regarded as generalizations of histograms. The output can be imported as data frames in R and pandas. With their rich set of…

Computational Physics · Physics 2019-09-20 Tai Sakuma

Temporal networks are essential for modeling and understanding systems whose behavior varies in time, from social interactions to biological systems. Often, however, real-world data are prohibitively expensive to collect in a large scale or…

Social and Information Networks · Computer Science 2023-08-23 Antonio Longa , Giulia Cencetti , Sune Lehmann , Andrea Passerini , Bruno Lepri

River is a machine learning library for dynamic data streams and continual learning. It provides multiple state-of-the-art learning methods, data generators/transformers, performance metrics and evaluators for different stream learning…

While current time series research focuses on developing new models, crucial questions of selecting an optimal approach for training such models are underexplored. Tsururu, a Python library introduced in this paper, bridges SoTA research…

Machine Learning · Computer Science 2025-09-22 Alina Kostromina , Kseniia Kuvshinova , Aleksandr Yugay , Andrey Savchenko , Dmitry Simakov

We introduce NetworKit, an open-source software package for analyzing the structure of large complex networks. Appropriate algorithmic solutions are required to handle increasingly common large graph data sets containing up to billions of…

Social and Information Networks · Computer Science 2015-11-16 Christian L. Staudt , Aleksejs Sazonovs , Henning Meyerhenke

In this paper we present Spektral, an open-source Python library for building graph neural networks with TensorFlow and the Keras application programming interface. Spektral implements a large set of methods for deep learning on graphs,…

Machine Learning · Computer Science 2020-06-23 Daniele Grattarola , Cesare Alippi

Galvatron is a distributed system for efficiently training large-scale Foundation Models. It overcomes the complexities of selecting optimal parallelism strategies by automatically identifying the most efficient hybrid strategy,…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-01 Xinyi Liu , Yujie Wang , Shenhan Zhu , Fangcheng Fu , Qingshuo Liu , Guangming Lin , Bin Cui

In the last decade, substantial progress has been made towards standardizing the syntax of graph query languages, and towards understanding their semantics and complexity of evaluation. In this paper, we consider temporal property graphs…

Databases · Computer Science 2022-03-11 Marcelo Arenas , Pedro Bahamondes , Amir Aghasadeghi , Julia Stoyanovich

We give novel Python and R interfaces for the (Java) Tetrad project for causal modeling, search, and estimation. The Tetrad project is a mainstay in the literature, having been under consistent development for over 30 years. Some of its…

Mathematical Software · Computer Science 2023-08-16 Joseph D. Ramsey , Bryan Andrews

In this paper, we present Real-Time Analog Monitoring Tool (RTAMT), a tool for quantitative monitoring of Signal Temporal Logic (STL) specifications. The library implements a flexible architecture that supports: (1) various environments…

Logic in Computer Science · Computer Science 2025-02-03 Tomoya Yamaguchi , Bardh Hoxha , Dejan Nickovic

Graph generative models are highly important for sharing surrogate data and benchmarking purposes. Real-world complex systems often exhibit dynamic nature, where the interactions among nodes change over time in the form of a temporal…

Social and Information Networks · Computer Science 2023-06-21 Penghang Liu , A. Erdem Sarıyüce

This paper introduces and evaluates a freely available cellular nonlinear network simulator optimized for the effective use of GPUs, to achieve fast modelling and simulations. Its relevance is demonstrated for several applications in…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-02-23 Radu Dogaru , Ioana Dogaru