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Enhancing Precipitation Nowcasting in West Africa through IR-Integrated Deep Generative Models
Precipitation in West Africa is a highly complex process, characterized by a wide range of temporal and spatial variability, and …
Xi Zhang
,
Akshay Aravamudan
,
Malihe Nasibi
,
Vanessa Robledo
,
Viviana Maggioni
,
Humberto J. Vergara
,
Jonathan J. Gourley
,
Efthymios I. Nikolopoulos
,
Georgios C. Anagnostopoulos
URL
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Advancing Flash Flood Forecasting Capabilities in West Africa with Machine Learning and Satellite Observations
Climate change is modifying the occurrence frequency and intensity of hydroclimatic extremes around the globe. This has a tremendous …
Efthymios I. Nikolopoulos
,
Abdou Ali
,
William Amponsah
,
Georgios C. Anagnostopoulos
,
Akshay Aravamudan
,
Jonathan J. Gourley
,
Viviana Maggioni
,
Malihe Nasibi
,
Vanessa Robledo
,
Humberto Vergara
,
Xi Zhang
URL
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Regional Seismic Event Discrimination using Machine Learning
Distinguishing between natural earthquakes and underground nuclear testing at regional epicentral distances is a complex geophysical …
Akshay Aravamudan
,
Hafidh A. A. Ghalib
,
Georgios C. Anagnostopoulos
,
Anthony O. Smith
,
Matthew Sibol
,
Gordon Kraft
,
Wilmer Rivers
,
Yajun Wang
,
Xi Zhang
,
Ruksana Kabealo
,
Erbene de Castro Maia Junior
URL
Project
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Anytime User Engagement Prediction in Information Cascades for Arbitrary Observation Periods
Predicting user engagement – whether a user will engage in a given information cascade – is an important problem in the …
Akshay Aravamudan
,
Xi Zhang
,
Georgios C. Anagnostopoulos
PDF
DOI
Code
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Flood Inundation Meets Image Super-Resolution
Xi Zhang
,
Akshay Aravamudan
,
Zimeena Rasheed
,
Electra K. Scarpignato
,
Witold F. Krajewski
,
Efthymios I. Nikolopoulos
,
Georgios C. Anagnostopoulos
URL
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Anytime Information Cascade Popularity Prediction via Self-Exciting Processes
Based on newly derived expressions of conditional mean counts of marked Hawkes point processes, we introduce Cascade Anytime Size Prediction via self-Exciting Regression (CASPER) for anytime information cascade popularity prediction.
Xi Zhang
,
Akshay Aravamudan
,
Georgios C. Anagnostopoulos
PDF
Code
Project
Poster
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ACE: An ATAK Plugin for Enhanced Acoustic Situational Awareness at the Edge
Superior battlefield Situational Awareness (SA) requires timely and coherent integration of various sensor modalities to provide the …
David Nieves-Acaron
,
Benjamin Luchterhand
,
Akshay Aravamudan
,
David Elliott
,
Steven Wyatt
,
Carlos E. Otero
,
Luis D. Otero
,
Anthony O. Smith
,
Adrian M. Peter
,
Wesley Jones
,
Eric Lam
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DOI
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Deep Agent: Studying the Dynamics of Information Spread and Evolution in Social Networks
This work delineates the main concepts and models utilized in our social media modeling effort under DARPA’s SocialSim program.
Ivan Garibay
,
Toktam A. Oghaz
,
Niloofar Yousefi
,
Ece Cigdem
,
Madeline Schiappa
,
Steven Scheinert
,
Georgios C. Anagnostopoulos
,
Christina Bowens
,
Stephen M. Fiore
,
Alexander Mantzaris
,
John T. Murphy
,
William Rand
,
Anastasia Salter
,
Mel Stanfill
,
Gita Sukthankar
,
Nisha Baral
,
Gabriel Fair
,
Chathika Gunaratne
,
Neda B. Hajiakhoond
,
Jasser Jasser
,
Chathura Jayalath
,
Olivia B. Newton
,
Samaneh Saadat
,
Chathurani Senevirathna
,
Rachel Winter
,
Xi Zhang
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DOI
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Environmental Sound Classification with Tiny Transformers in Noisy Edge Environments
In this work we showcase a tiny BERT-based transformer, hardened via noise augmentation for state-of-the-art environmental sound classification on edge computing devices.
Steven Wyatt
,
David Elliot
,
Akshay Aravamudan
,
Carlos E. Otero
,
Luis D. Otero
,
Georgios C. Anagnostopoulos
,
Anthony O. Smith
,
Adrian M. Peter
,
Wesley Jones
,
Steven Leung
,
Eric Lam
DOI
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Influence Dynamics Among Narratives
In this work we employ multi-variate Hawkes processes and introduce process influence measures to analyze the interactions of competing and coevolving Twitter narratives surrounding the 2019 Venezuelan Presidential Crisis.
Akshay Aravamudan
,
Xi Zhang
,
Jihye Song
,
Stephen M. Fiore
,
Georgios C. Anagnostopoulos
DOI
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