activity
20232025
most citedPermutation Entropy for Signal Analysis

6 citations · 8 across the 8 of their papers we have counts for

collaborators

9 papers

eess.SP2025

The Wigner-Ville Transform as an Information Theoretic Tool in Radio-frequency Signal Analysis

Erik Lentz, Emily Ellwein, Bill Kay +2

This paper presents novel interpretations to the field of classical signal processing of the Wigner-Ville transform as an information measurement tool. The transform's utility in d…

cs.IT2025

Entropic Analysis of Time Series through Kernel Density Estimation

Audun Myers, Bill Kay, Iliana Alvarez +5

This work presents a novel framework for time series analysis using entropic measures based on the kernel density estimate (KDE) of the time series' Takens' embeddings. Using this…

cs.IR2025

Talking to GDELT Through Knowledge Graphs

Audun Myers, Max Vargas, Sinan G. Aksoy +4

In this work we study various Retrieval Augmented Regeneration (RAG) approaches to gain an understanding of the strengths and weaknesses of each approach in a question-answering an…

cs.LG2024★ 2 cited

ICML Topological Deep Learning Challenge 2024: Beyond the Graph Domain

Guillermo Bernárdez, Lev Telyatnikov, Marco Montagna +70

This paper describes the 2nd edition of the ICML Topological Deep Learning Challenge that was hosted within the ICML 2024 ELLIS Workshop on Geometry-grounded Representation Learnin…

cs.SI2024

Understanding High-Order Network Structure using Permissible Walks on Attributed Hypergraphs

Enzo Battistella, Sean English, Robert Green +6

Hypergraphs have been a recent focus of study in mathematical data science as a tool to understand complex networks with high-order connections. One question of particular relevanc…

cs.IT2023★ 6 cited

Permutation Entropy for Signal Analysis

Bill Kay, Audun Myers, Thad Boydston +4

Shannon Entropy is the preeminent tool for measuring the level of uncertainty (and conversely, information content) in a random variable. In the field of communications, entropy ca…

cs.CR2023

Stepping out of Flatland: Discovering Behavior Patterns as Topological Structures in Cyber Hypergraphs

Helen Jenne, Sinan G. Aksoy, Daniel Best +9

Data breaches and ransomware attacks occur so often that they have become part of our daily news cycle. This is due to a myriad of factors, including the increasing number of inter…

cs.CG2023

Malicious Cyber Activity Detection Using Zigzag Persistence

Audun Myers, Alyson Bittner, Sinan Aksoy +8

In this study we synthesize zigzag persistence from topological data analysis with autoencoder-based approaches to detect malicious cyber activity and derive analytic insights. Cyb…

cs.LG2023

ICML 2023 Topological Deep Learning Challenge : Design and Results

Mathilde Papillon, Mustafa Hajij, Helen Jenne +53

This paper presents the computational challenge on topological deep learning that was hosted within the ICML 2023 Workshop on Topology and Geometry in Machine Learning. The competi…