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We present a Graph Neural Network (GNN) that accurately simulates a multidisperse suspension of interacting spherical particles. Our machine learning framework is built upon the recent work of Sanchez-Gonzalez et al. ICML, PMLR, 119,…

Computational Physics · Physics 2025-02-20 Aref Hashemi , Aliakbar Izadkhah

Space Domain Awareness (SDA) involves the detection, tracking, and characterization of space objects through the fusion of data across the space environment. As SDA advances beyond localized or operator-specific capabilities, there is a…

Combinatorics · Mathematics 2025-05-14 Nesrine Benchoubane , Gunes Karabulut Kurt

Graph Neural Networks (GNNs) have substantially advanced the field of recommender systems. However, despite the creation of more than a thousand knowledge graphs (KGs) under the W3C standard RDF, their rich semantic information has not yet…

Information Retrieval · Computer Science 2025-06-11 Michael Färber , David Lamprecht , Yuni Susanti

Scientific datasets and analysis pipelines are increasingly being shared publicly in the interest of open science. However, mechanisms are lacking to reliably identify which pipelines and datasets can appropriately be used together. Given…

Information Retrieval · Computer Science 2021-08-23 Mandana Mazaheri , Gregory Kiar , Tristan Glatard

Let $S$ be a set of $n$ sites in the plane, so that every site $s \in S$ has an associated radius $r_s > 0$. Let $\mathcal{D}(S)$ be the disk intersection graph defined by $S$, i.e., the graph with vertex set $S$ and an edge between two…

Computational Geometry · Computer Science 2024-05-02 Alexander Baumann , Haim Kaplan , Katharina Klost , Kristin Knorr , Wolfgang Mulzer , Liam Roditty , Paul Seiferth

Multivariate information theory provides a general and principled framework for understanding how the components of a complex system are connected. Existing analyses are coarse in nature -- built up from characterizations of discrete…

Information Theory · Computer Science 2025-05-30 Kieran A. Murphy , Yujing Zhang , Dani S. Bassett

The scientific literature is a large information network linking various actors (laboratories, companies, institutions, etc.). The vast amount of data generated by this network constitutes a dynamic heterogeneous attributed network (HAN),…

Computation and Language · Computer Science 2019-03-01 Robin Brochier

Astronomy produces extremely large data sets from ground-based telescopes, space missions, and simulation. The volume and complexity of these rich data sets require new approaches and advanced tools to understand the information contained…

Instrumentation and Methods for Astrophysics · Physics 2014-02-25 Demitri Muna , Eric Huff

Knowledge Graphs (KGs) represent real-world noisy raw information in a structured form, capturing relationships between entities. However, for dynamic real-world applications such as social networks, recommender systems, computational…

Artificial Intelligence · Computer Science 2020-03-26 Amit Sheth , Swati Padhee , Amelie Gyrard

We address the problem of finding descriptive explanations of facts stored in a knowledge graph. This is important in high-risk domains such as healthcare, intelligence, etc. where users need additional information for decision making and…

Artificial Intelligence · Computer Science 2018-03-20 Sumit Bhatia , Purusharth Dwivedi , Avneet Kaur

Scientists always look for the most accurate and relevant answer to their queries on the scholarly literature. Traditional scholarly search systems list documents instead of providing direct answers to the search queries. As data in…

Digital Libraries · Computer Science 2021-07-14 Golsa Heidari , Ahmad Ramadan , Markus Stocker , Sören Auer

Knowledge analysis is an important application of knowledge graphs. In this paper, we present a complex knowledge analysis problem that discovers the gaps in the technology areas of interest to an organization. Our knowledge graph is…

Databases · Computer Science 2021-09-14 Aurpon Gupta , Subhasis Dasgupta , Snehasis Sinha , Amarnath Gupta

Multi-agent systems (MAS) utilizing multiple Large Language Model agents with Retrieval Augmented Generation and that can execute code locally may become beneficial in cosmological data analysis. Here, we illustrate a first small step…

Instrumentation and Methods for Astrophysics · Physics 2024-12-04 Andrew Laverick , Kristen Surrao , Inigo Zubeldia , Boris Bolliet , Miles Cranmer , Antony Lewis , Blake Sherwin , Julien Lesgourgues

Cyberspace is being more and more tightly linked to the physical space and socioeconomic space to emerge a cyber-physical-socioeconomic space, where humans, machines and physical objects in the natural environment interact with each other,…

Computers and Society · Computer Science 2018-05-02 Hai Zhuge

A key challenge in artificial intelligence is the creation of systems capable of autonomously advancing scientific understanding by exploring novel domains, identifying complex patterns, and uncovering previously unseen connections in vast…

Artificial Intelligence · Computer Science 2024-09-10 Alireza Ghafarollahi , Markus J. Buehler

Classifying research output into context-specific label taxonomies is a challenging and relevant downstream task, given the volume of existing and newly published articles. We propose a method to enhance the performance of article…

Machine Learning · Computer Science 2024-05-29 Khang Ly , Yury Kashnitsky , Savvas Chamezopoulos , Valeria Krzhizhanovskaya

Information on any given topic is often scattered across the web. Previously this scatter has been characterized through the distribution of a set of facts (i.e. pieces of information) across web pages, showing that typically a few pages…

Information Retrieval · Computer Science 2007-06-13 Lada A. Adamic , Suresh K. Bhavnani , Xiaolin Shi

Graph Neural Networks (GNNs) have demonstrated their superiority in collaborative filtering, where the user-item (U-I) interaction bipartite graph serves as the fundamental data format. However, when graph-structured side information (e.g.,…

Information Retrieval · Computer Science 2025-05-20 Yunhang He , Cong Xu , Jun Wang , Wei Zhang

Recently, graphs have been widely used to represent many different kinds of real world data or observations such as social networks, protein-protein networks, road networks, and so on. In many cases, each node in a graph is associated with…

Social and Information Networks · Computer Science 2016-09-28 Jihwan Lee , Keehwan Park , Sunil Prabhakar

Spatial data science has emerged in recent years as an interdisciplinary field. This position paper discusses the importance of building and sharing high-quality datasets for spatial data science.

Computers and Society · Computer Science 2020-07-17 Yingjie Hu