A Definição de uma API para o Processamento de Ontologias em Hospitais Pervasivos. - Giovani Rubert Librelotto; Jonas Bulegon Gassen; Leandro Oliveira Freitas; Fabio Lorenzi da Silva; Iara Augustin (SBSI, 2009)

Aplicando o OntoHealth para o Processamento e Consultas de Ontologias para Ambientes Hospitalares Pervasivos. - Giovani Rubert Librelotto; Jonas Bulegon Gassen; Leandro Oliveira Freitas; Juliana Kaizer Vizzotto; Fabio Lorenzi da Silva; Iara Augustin (Braz. J. Inf. Syst., 2009)

OntoHealth: An Ontology Applied to Pervasive Hospital Environments. - Giovani Rubert Librelotto; Iara Augustin; Jonas Bulegon Gassen; Guilherme Kurtz; Leandro Oliveira Freitas; Ricardo Giuliani Martini; Renato Preigschadt de Azevedo (Int. J. Adv. Pervasive Ubiquitous Comput., 2010)

Applying Pervasive Computing in an Architecture for Homecare Environments. - Leandro Oliveira Freitas; Giovani Rubert Librelotto; Henrique G. G. Pereira; Jeferson Kasper; Ricardo Giuliani Martini; Bruno Augusti Mozzaquatro; Rafael T. Pereira (UIC/ATC, 2012)

Architecture of central monitoring for pervasive homecare systems. - Giovani Rubert Librelotto; Cicero Ribeiro; Samuel Vizzotto; Ederson Bastiani; Leandro Oliveira Freitas (CLEI, 2014)

Workflow Model for Management of Ontology of Homecare Pervasive Systems. - Leandro Oliveira Freitas; Ederson Bastiani; Giovani Rubert Librelotto (ICEIS (1), 2014)

OntoHealth: a system to process ontologies applied to health pervasive environment. - Giovani Rubert Librelotto; Leandro Oliveira Freitas; André Fiorin; Bruno Augusti Mozzaquatro; Leandro Pasetto; Ricardo Giuliani Martini; Renato Preigschadt de Azevedo; Rafael T. Pereira (Int. J. Comput. Sci. Eng., 2015)

Sistema Web para Gerenciamento e Acompanhamento de Uso de Medicação em Ambientes de Vivência Assistida [Web System for Management and Tracking of the Use of Medication in Ambient Assisted Living]. - Milene Santos Teixeira; Leandro Oliveira Freitas; Jucara Salete Gubiani; Un Hee Schiefelbein (SBSI, 2016)

Context-Awareness and Uncertainty: Current Scenario and Challenges for the Future. - Leandro Oliveira Freitas; Pedro Rangel Henriques; Paulo Novais (ISAmI, 2018)

Uncertainty in Context-Aware Systems: A Case Study for Intelligent Environments. - Leandro Oliveira Freitas; Pedro Rangel Henriques; Paulo Novais (WorldCIST (1), 2018)

CAPAS: A Context-Aware System Architecture for Physical Activities Monitoring. - Paulo Ferreira 004; Leandro Oliveira Freitas; Pedro Rangel Henriques; Paulo Novais; Juan Pavón (HAIS, 2019)

Knowledge Inference Through Analysis of Human Activities. - Leandro Oliveira Freitas; Pedro Rangel Henriques; Paulo Novais (IDEAL (1), 2019)

Attribute Grammar Applied to Human Activities Recognition in Intelligent Environments. - Leandro Oliveira Freitas; Pedro Rangel Henriques; Paulo Novais (ISAmI, 2019)

Uncertainty Identification in Context-Aware Systems Using Public Datasets. - Leandro Oliveira Freitas; Pedro Rangel Henriques; Paulo Novais (ISAmI, 2021)

Uncertainty and incompleteness handling in context-aware systems - Leandro Oliveira Freitas (2022)