Search Results for author: Frederico Gadelha Guimarães

Found 7 papers, 2 papers with code

Time Series Forecasting Using Fuzzy Cognitive Maps: A Survey

no code implementations7 Jan 2022 Omid Orang, Petrônio Cândido de Lima e Silva, Frederico Gadelha Guimarães

Among various soft computing approaches for time series forecasting, Fuzzy Cognitive Maps (FCM) have shown remarkable results as a tool to model and analyze the dynamics of complex systems.

Time Series Time Series Forecasting

Introducing Randomized High Order Fuzzy Cognitive Maps as Reservoir Computing Models: A Case Study in Solar Energy and Load Forecasting

no code implementations6 Jan 2022 Omid Orang, Petrônio Cândido de Lima Silva, Frederico Gadelha Guimarães

Fuzzy Cognitive Maps (FCMs) have emerged as an interpretable signed weighted digraph method consisting of nodes (concepts) and weights which represent the dependencies among the concepts.

Load Forecasting Time Series +2

High-dimensional Multivariate Time Series Forecasting in IoT Applications using Embedding Non-stationary Fuzzy Time Series

no code implementations20 Jul 2021 Hugo Vinicius Bitencourt, Frederico Gadelha Guimarães

In Internet of things (IoT), data is continuously recorded from different data sources and devices can suffer faults in their embedded electronics, thus leading to a high-dimensional data sets and concept drift events.

Multivariate Time Series Forecasting Time Series

Forecasting in Non-stationary Environments with Fuzzy Time Series

1 code implementation27 Apr 2020 Petrônio Cândido de Lima e Silva, Carlos Alberto Severiano Junior, Marcos Antonio Alves, Rodrigo Silva, Miri Weiss Cohen, Frederico Gadelha Guimarães

In this approach, we employ Non-Stationary Fuzzy Sets, in which perturbation functions are used to adapt the membership function parameters in the knowledge base in response to statistical changes in the time series.

Time Series Time Series Analysis

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