Low-Power/Low-Voltage analog front-end for LF passive RFID tag systems. - Fernando Paixão Cortes; Guilherme Freitas; Henrique Luiz Andrade Pimentel; Juan Pablo Martinez Brito; Fernando Chávez (SBCCI, 2013)

Applying and Adapting a Performance Deviation Analysis Tool in Web Information Systems. - Jadson Santos; Marcos Medeiros; Uirá Kulesza; Felipe Pinto; Roniceli Moura; José Gameleira Neto; Guilherme Freitas; Leo Silva (SBQS, 2019)

Technical Debt Tools: A Systematic Mapping Study. - Diego Saraiva; José Gameleira Neto; Uirá Kulesza; Guilherme Freitas; Rodrigo Rebouças; Roberta Coelho (ICEIS (2), 2021)

Exploring Technical Debt Tools: A Systematic Mapping Study. - José Diego Saraiva da Silva; José Gameleira Neto; Uirá Kulesza; Guilherme Freitas; Rodrigo Rebouças; Roberta Coelho (ICEIS (Revised Selected Papers), 2021)

Analyzing the Impact of CI Sub-practices on Continuous Code Quality in Open-Source Projects: An Empirical Study. - Guilherme Freitas; João Helis Bernardo; Gustavo Sizílio; Daniel Alencar da Costa; Uirá Kulesza (SBES, 2023)

Usability Evaluation of the RehabMarket: A CAVE-Based Game for Stroke Rehabilitation. - Guilherme Freitas; Teresa Paulino; Sergi Bermúdez i Badia (SeGAH, 2023)

Adaptive Fuzzy Level Set Algorithm for Bitcoin Realized Volatility Modeling and Forecasting. - Leandro Maciel; Guilherme Freitas; Vinicius Nazato; Fernando A. C. Gomide (EUSFLAT (2), 2025)