activity
20122024
most citedHTTE: A Hybrid Technique For Travel Time Estimation In Sparse Data Environments

10 citations · 27 across the 6 of their papers we have counts for

collaborators

6 papers

cs.LG2024

A Framework for Feasible Counterfactual Exploration incorporating Causality, Sparsity and Density

Kleopatra Markou, Dimitrios Tomaras, Vana Kalogeraki +1

The imminent need to interpret the output of a Machine Learning model with counterfactual (CF) explanations - via small perturbations to the input - has been notable in the researc…

physics.comp-ph20233 cited

LHC Hadronic Jet Generation Using Convolutional Variational Autoencoders with Normalizing Flows

Breno Orzari, Nadezda Chernyavskaya, Raphael Cobe +7

In high energy physics, one of the most important processes for collider data analysis is the comparison of collected and simulated data. Nowadays the state-of-the-art for data gen…

cs.LG202310 cited

HTTE: A Hybrid Technique For Travel Time Estimation In Sparse Data Environments

Nikolaos Zygouras, Nikolaos Panagiotou, Yang Li +2

Travel time estimation is a critical task, useful to many urban applications at the individual citizen and the stakeholder level. This paper presents a novel hybrid algorithm for t…

cs.LG2023

A Novel Framework for Handling Sparse Data in Traffic Forecast

Nikolaos Zygouras, Dimitrios Gunopulos

The ever increasing amount of GPS-equipped vehicles provides in real-time valuable traffic information for the roads traversed by the moving vehicles. In this way, a set of sparse…

cs.DB20159 cited

Elastic Processing of Analytical Query Workloads on IaaS Clouds

Herald Kllapi, Panos Sakkos, Alex Delis +2

Many modern applications require the evaluation of analytical queries on large amounts of data. Such queries entail joins and heavy aggregations that often include user-defined fun…

cs.DB20125 cited

On The Spatiotemporal Burstiness of Terms

Theodoros Lappas, Marcos R. Vieira, Dimitrios Gunopulos +1

Thousands of documents are made available to the users via the web on a daily basis. One of the most extensively studied problems in the context of such document streams is burst i…