activity
20162025
most citedDetecting climate teleconnections with Granger causality

53 citations · 215 across the 12 of their papers we have counts for

collaborators

13 papers

cs.LG2025

WBT-BGRL: A Non-Contrastive Weighted Bipartite Link Prediction Model for Inductive Learning

Joel Frank Huarayo Quispe, Lilian Berton, Didier Vega-Oliveros

Link prediction in bipartite graphs is crucial for applications like recommendation systems and failure detection, yet it is less studied than in monopartite graphs. Contrastive me…

physics.soc-ph2022★ 8 cited

Bi-layer voter model: Modeling intolerant/tolerant positions and bots in opinion dynamics

Didier A. Vega-Oliveros, Helder L. C. Grande, Flavio Iannelli +1

The diffusion of opinions in Social Networks is a relevant process for adopting positions and attracting potential voters in political campaigns. Opinion polarization, bias, target…

cs.CL2021★ 9 cited

Explainable Fact-checking through Question Answering

Jing Yang, Didier Vega-Oliveros, Taís Seibt +1

Misleading or false information has been creating chaos in some places around the world. To mitigate this issue, many researchers have proposed automated fact-checking methods to f…

cs.CL2021★ 13 cited

Scalable Fact-checking with Human-in-the-Loop

Jing Yang, Didier Vega-Oliveros, Tais Seibt +1

Researchers have been investigating automated solutions for fact-checking in a variety of fronts. However, current approaches often overlook the fact that the amount of information…

physics.ao-ph2020★ 53 cited

Detecting climate teleconnections with Granger causality

Filipi N Silva, Didier A. Vega-Oliveros, Xiaoran Yan +5

Climate system teleconnections are crucial for improving climate predictability, but difficult to quantify. Standard approaches to identify teleconnections are often based on corre…

cs.SI2020★ 2 cited

Dynamic Community Detection into Analyzing of Wildfires Events

Alessandra Marli, Didier A Vega-Oliveros, Moshé Cotacallapa +3

The study and comprehension of complex systems are crucial intellectual and scientific challenges of the 21st century. In this scenario, network science has emerged as a mathematic…

cs.SI2020★ 33 cited

Spatiotemporal data analysis with chronological networks

Leonardo N. Ferreira, Didier A. Vega-Oliveros, Moshe Cotacallapa +4

The amount and size of spatiotemporal data sets from different domains have been rapidly increasing in the last years, which demands the development of robust and fast methods to a…

cs.SI2019

Measuring the engagement level in encrypted group conversations by using temporal networks

Moshe Cotacallapa, Lilian Berton, Leonardo N. Ferreira +4

Chat groups are well-known for their capacity to promote viral political and marketing campaigns, spread fake news, and create rallies by hundreds of thousands on the streets. Also…

stat.AP2019★ 43 cited

Global Fire Season Severity Analysis and Forecasting

Leonardo N. Ferreira, Didier A. Vega-Oliveros, Liang Zhao +2

In this paper, we divide the globe into a hexagonal grid and we extracted time series of daily fire counts from each cell to estimate and analyze worldwide fire season severity (FS…

physics.soc-ph2018★ 12 cited

From spatio-temporal data to chronological networks: An application to wildfire analysis

Didier A. Vega-Oliveros, Moshé Cotacallapa, Leonardo N. Ferreira +4

Network theory has established itself as an appropriate tool for complex systems analysis and pattern recognition. In the context of spatiotemporal data analysis, correlation netwo…

physics.soc-ph2017★ 17 cited

The Impact of Social Curiosity on Information Spreading on Networks

Didier A. Vega-Oliveros, Lilian Berton, Federico Vazquez +1

Most information spreading models consider that all individuals are identical psychologically. They ignore, for instance, the curiosity level of people, which may indicate that the…

physics.soc-ph2017

Influence maximization by rumor spreading on correlated networks through community identification

Didier A. Vega-Oliveros, Luciano da Fontoura Costa, Francisco Aparecido Rodrigues

The identification of the minimal set of nodes that maximizes the propagation of information is one of the most relevant problems in network science. In this paper, we introduce a…

physics.soc-ph2016★ 25 cited

Rumor propagation with heterogeneous transmission in social networks

Didier A. Vega-Oliveros, Luciano da F. Costa, Francisco A. Rodrigues

Rumor models consider that information transmission occurs with the same probability between each pair of nodes. However, this assumption is not observed in social networks, which…