Synonymy for Query Expansion in Information Search. - Rove Luiza de Oliveira Chishman; Renata Vieira; Isa Mara da Rosa Alves; Sandro José Rigo (EPIA, 2003)

Identifying Users Stereotypes with Semantic Web Mining. - Sandro José Rigo; José Palazzo Moreira de Oliveira (ER Workshops, 2008)

Arquitetura baseada em Web Semântica para aplicações de Hipermídia Adaptativa. - Sandro José Rigo; Éverton Eckert Schneider; José Palazzo M. de Oliveira (SBSI, 2008)

SeRELeP-Olympics: hot topics for a news portal based on semantic types and named entities. - Mírian Bruckschen; Renata Vieira; Sandro José Rigo (WebMedia (Companion), 2008)

Uma arquitetura para Hipermídia Adaptativa baseada em recursos da Web Semântica. - Sandro José Rigo; Éverton Eckert Schneider; José Palazzo M. de Oliveira (Braz. J. Inf. Syst., 2008)

Integrating semantic web resources and web usage mining for websites personalization. - Sandro José Rigo (2008)

Named entities for hot topics ranking and ontology navigation aid. - Mírian Bruckschen; Renata Vieira; Sandro José Rigo (Hypertext, 2009)

A proposal for managing multiple trails in educational environments. - Wagner L. Cambruzzi; Sandro José Rigo; Jorge L. V. Barbosa (WebMedia, 2012)

Exploring the inference role in automatic information extraction from texts. - Denis A. de Araujo; Sandro José Rigo; Carolina Müller; Rove Luiza de Oliveira Chishman (SWAIE@RANLP, 2013)

Automatic Information Extraction from Texts with Inference and Linguistic Knowledge Acquisition Rules. - Denis A. de Araujo; Sandro José Rigo; Carolina Müller; Rove Luiza de Oliveira Chishman (Web Intelligence/IAT Workshops, 2013)

Developing a ubiquitous tourist guide. - Humberto Moura; Cristiano André da Costa; Sandro José Rigo; Eduardo Ferreira Silva; Jorge Luis Victória Barbosa; Luiz Gonzaga da Silveira Jr.; Matheus Henrique Wichman; Underlea Bruscato (WebMedia, 2013)

Integrating Collaborative and Decentralized Models to Support Ubiquitous Learning. - Jorge Luis Victória Barbosa; Débora Nice Ferrari Barbosa; Sandro José Rigo; Jezer Machado de Oliveira; Solon Andrade Rabello Jr. (Int. J. Inf. Commun. Technol. Educ., 2014)

Aplicações de Mineração de Dados Educacionais e Learning Analytics com foco na evasão escolar: oportunidades e desafios. - Sandro José Rigo; Wagner L. Cambruzzi; Jorge L. V. Barbosa; Sílvio César Cazella (Revista Brasileira de Informática na Educ., 2014)

REBASS: Recomendação de Objetos de Aprendiza- gem Utilizando Similaridade de Sessões. - Tiago Wiedemann; Jorge Luis Victória Barbosa; Sandro José Rigo (Revista Brasileira de Informática na Educ., 2014)

Ubiquitous System for Stroke Monitoring and Alert. - Allan de Barcelos Silva; Sandro José Rigo; Jorge L. V. Barbosa (CBMS, 2015)

Sistema de análise de incidentes para melhoria Continua. - Lucas Filippi; Sandro José Rigo (CLEI, 2015)

ArgumentBind - Um Modelo para Implementação de Aplicações da Argument Web Integradas com Bases de Dados Abertos e Ligados [ArgumentBind - A Model for Implementing Argument Web Integrated Applications with Open and Linked Data]. - Roberto Niche; Sandro José Rigo (SBSI, 2015)

A Proposal of Dynamic Content Search in aUbiquitous Tourist Guid. - Thiago Silva Souza; Cristiano André da Costa; Rodrigo da Rosa Righi; Sandro José Rigo (WebMedia, 2015)

DeCom: A model for context-aware competence management. - Jorge Luis Victória Barbosa; Marcos Ricardo Kich; Débora Nice Ferrari Barbosa; Amarolinda Zanela Klein; Sandro José Rigo (Comput. Ind., 2015)

A Linguistic Approach to Identify the Affective Dimension Expressed in Textual Messages. - Sandro José Rigo; Isa Mara da Rosa Alves; Jorge Luis Victória Barbosa (Int. J. Inf. Commun. Technol. Educ., 2015)

Dropout Prediction and Reduction in Distance Education Courses with the Learning Analytics Multitrail Approach. - Wagner L. Cambruzzi; Sandro José Rigo; Jorge L. V. Barbosa (J. Univers. Comput. Sci., 2015)

A proposal of knowledge base for applications in the scope of HIV/AIDS. - Kevin Cardoso de Sa; Felipe Lauermann Vielitz; Fábio Rafael Damasceno; Cristiano André da Costa; Sandro José Rigo; Rodrigo da Rosa Righi (CLEI, 2016)

An Application for Mobile Devices Focused on Clinical Decision Support: Diabetes Mellitus Case. - Lucas Felipe Klein; Sandro José Rigo; Sílvio César Cazella; Ângela Jornada Ben (ISAmI, 2016)

A Model for Textual Entailment Based on Linguistic Rules. - Evandro Metz Flores; Sandro José Rigo (PROPOR, 2016)

Hígia: Um modelo para cuidado ubíquo de pessoas com depressão [Higia: A model for ubiquitous care of people with depression]. - Milene Martini Petry; Jorge L. V. Barbosa; Sandro José Rigo; Rogerio L. Horta (SBSI, 2016)

FITDATA: Um sistema para monitoramento de atividade física baseado em dispositivos móveis [FITDATA: A system for monitoring physical activity based on mobile devices]. - Eduardo W. Ritter; Sandro José Rigo (SBSI, 2016)

Experiments with open and linked databases in Argument Web applications. - Roberto Niche; Sandro José Rigo; Jorge L. V. Barbosa; Clarissa Rodrigues (SCCC, 2016)

A model for data integration in open and linked databases with the use of ontologies. - Thyago Tosin; Sandro José Rigo; Jorge L. V. Barbosa; Clarissa Rodrigues (SCCC, 2016)

EDUARDO: A Semantic Model for Automatic Content Integration with an Conversational Intelligent Agent. - Fábio Rodrigues dos Santos; Sandro José Rigo; Jorge Luis Victória Barbosa; Clarissa Rodrigues (WebMedia, 2016)

U-Library: An Intelligent Model for Ubiquitous Library Support. - Willian Valmorbida; Jorge Luis Victória Barbosa; Débora Nice Ferrari Barbosa; Sandro José Rigo (Comput. J., 2016)

RecSim: A Model for Learning Objects Recommendation using Similarity of Sessions. - Tiago Wiedmann; Jorge Luis Victória Barbosa; Sandro José Rigo; Débora Nice Ferrari Barbosa (J. Univers. Comput. Sci., 2016)

A model for learning objects adaptation in light of mobile and context-aware computing. - Márcia Abech; Cristiano André da Costa; Jorge Luis Victória Barbosa; Sandro José Rigo; Rodrigo da Rosa Righi (Pers. Ubiquitous Comput., 2016)

Avaliando a similaridade semântica entre frases curtas através de uma abordagem híbrida (A hybrid approach to measure Semantic Textual Similarity between short sentences in Brazilian Portuguese)[In Portuguese]. - Allan Silva; Sandro José Rigo; Isa Mara da Rosa Alves; Jorge L. V. Barbosa (STIL, 2017)

Development of a Recommender System to the Virtual Patient Simulator Health Simulator. - Diego Reidel; Paulo Ricardo Muniz Barros; Sandro José Rigo; Marta Rosecler Bez (WebMedia, 2017)

Ontology-based information extraction for juridical events with case studies in Brazilian legal realm. - Denis A. de Araujo; Sandro José Rigo; Jorge Luis Victória Barbosa (Artif. Intell. Law, 2017)

Natural Language Question Generation from Connected Open Data: A Study of Possibilities. - Emilio Luis Faria Rodrigues; Augusto Lopes da Silva; Sandro José Rigo; Denis A. de Araujo (CLEI, 2018)

A Linguistic Approach to Short Query and Answer Systems. - Denis Andrei de Araüjo; Alencar Rodrigo Hentges; Sandro José Rigo (SBSI, 2018)

Enhancing Brazilian Portuguese Textual Entailment Recognition with a Hybrid Approach. - Allan de Barcelos Silva; Sandro José Rigo (J. Comput. Sci., 2018)

Diagnosis of learner dropout based on learning styles for online distance learning. - Leonardo Heidrich; Jorge Luis Victória Barbosa; Wagner L. Cambruzzi; Sandro José Rigo; Márcio Garcia Martins 002; Renan Belarmino Scherer dos Santos (Telematics Informatics, 2018)

Fostering Natural Language Question Answering Over Knowledge Bases in Oncology EHR. - Marco Antônio Schwertner; Sandro José Rigo; Denis A. de Araujo; Alan Barcelos Silva; Bjoern M. Eskofier (CBMS, 2019)

Studying the Impact of Gamification on Learning and Engagement of Introverted and Extroverted Students. - Rodrigo Smiderle; Leonardo B. Marques; Jorge A. P. M. Coelho; Sandro José Rigo; Patrícia Augustin Jaques (ICALT, 2019)

A Hybrid Model for Fraud Detection on Purchase Orders. - William Ferreira Moreno Oliverio; Allan de Barcelos Silva; Sandro José Rigo; Rodolpho Lopes Bezerra da Costa (IDEAL (1), 2019)

A Model for Predicting Disapproval of Apprentices in Distance Education Using Decision Tree. - João Luiz Cavalcante Ferreira; André Filipe Aloise; Vítor Kehl Matter; Jorge Luis Victória Barbosa; Sandro José Rigo; Kleinner Silva Farias de Oliveira (SBSI, 2019)

A Survey on Global Management View: Toward Combining System Monitoring, Resource Management, and Load Prediction. - Rodrigo da Rosa Righi; Matheus Lehmann; Márcio Miguel Gomes; Jéferson Campos Nobre; Cristiano André da Costa; Sandro José Rigo; Marcio Lena; Rodrigo Fraga Mohr; Luiz Ricardo Bertoldi de Oliveira (J. Grid Comput., 2019)

A linguistic approach to short sentences keywords identification for a question answering system. - Denis A. de Araujo; Sandro José Rigo; Bruna Koch Schmitt; Alencar Hentges (Int. J. Web Eng. Technol., 2019)

Toward a Model for Personal Health Record Interoperability. - Alex Roehrs; Cristiano André da Costa; Rodrigo da Rosa Righi; Sandro José Rigo; Matheus Henrique Wichman (IEEE J. Biomed. Health Informatics, 2019)

Parallel Monte Carlo Tree Search in General Video Game Playing. - Luis G. S. Centeleghe; William da Rosa Fröhlich; Sandro José Rigo (BRACIS (2), 2020)

Evaluating a New Approach to Data Fusion in Wearable Physiological Sensors for Stress Monitoring. - Clarissa Rodrigues; William da Rosa Fröhlich; Amanda G. Jabroski; Sandro José Rigo; Andreia Rodrigues; Elisa Kern de Castro (BRACIS (2), 2020)

A Portuguese Dataset for Evaluation of Semantic Question Answering. - Denis Andrei de Araüjo; Sandro José Rigo; Paulo Quaresma; João Henrique Muniz (PROPOR, 2020)

An algorithm to generate short sentences in natural language from linked open data based on linguistic templates. - Augusto Lopes da Silva; Sandro José Rigo; Jéssica Braun De Moraes (Int. J. Metadata Semant. Ontologies, 2020)

The impact of gamification on students' learning, engagement and behavior based on their personality traits. - Rodrigo Smiderle; Sandro José Rigo; Leonardo B. Marques; Jorge Arthur Peçanha de Miranda Coelho; Patrícia A. Jaques (Smart Learn. Environ., 2020)

Toward a ubiquitous model to assist the treatment of people with depression. - Milene Martini Petry; Jorge Luis Victória Barbosa; Sandro José Rigo; Lucas Pfeiffer Salomão Dias; Paulo César Büttenbender (Univers. Access Inf. Soc., 2020)

Code Autocomplete Using Transformers. - Gabriel T. Meyrer; Denis A. de Araujo; Sandro José Rigo (BRACIS (2), 2021)

Active Methodology, Educational Data Mining and Learning Analytics: A Systematic Mapping Study. - Tiago Luís de Andrade; Sandro José Rigo; Jorge Luis Victória Barbosa (Informatics Educ., 2021)

Machine Learning and IoT Applied to Cardiovascular Diseases Identification through Heart Sounds: A Literature Review. - Ivo Sérgio Guimarães Brites; Lidia Martins da Silva; Jorge Luis Victória Barbosa; Sandro José Rigo; Sérgio Duarte Correia; Valderi Reis Quietinho Leithardt (Informatics, 2021)

Análise de Dados e Serviços Inteligentes Aplicados na Educação à Distância: um mapeamento sistemático. - Lidia Martins da Silva; Jorge L. V. Barbosa; Sandro José Rigo (Revista Brasileira de Informática na Educ., 2021)

Multi-objective prioritization for data center vulnerability remediation. - Felipe Colombelli; Vítor Kehl Matter; Bruno Iochins Grisci; Leomar Lima; Karine Heinen; Marcio Borges; Sandro José Rigo; Jorge Luis Victória Barbosa; Rodrigo da Rosa Righi; Cristiano André da Costa; Gabriel de Oliveira Ramos (CEC, 2022)

The Impact of Allostatic Load on Machine Learning Models. - William da Rosa Fröhlich; Sandro José Rigo; Marta Rosecler Bez; Daiane Rocha de Oliveira; Maurizio Zibetti (IBERAMIA, 2022)

MoStress: a Sequence Model for Stress Classification. - Arturo de Souza; Mateus Begnini Melchiades; Sandro José Rigo; Gabriel de Oliveira Ramos (IJCNN, 2022)

Fostering Judiciary Applications with New Fine-Tuned Models for Legal Named Entity Recognition in Portuguese. - Luciano Zanuz; Sandro José Rigo (PROPOR, 2022)

A rapid review of machine learning approaches for telemedicine in the scope of COVID-19. - Luana Carine Schünke; Blanda Mello; Cristiano André da Costa; Rodolfo Stoffel Antunes; Sandro José Rigo; Gabriel de Oliveira Ramos; Rodrigo da Rosa Righi; Juliana Nichterwitz Scherer; Bruna Donida (Artif. Intell. Medicine, 2022)

Perspectives on risk prioritization of data center vulnerabilities using rank aggregation and multi-objective optimization. - Bruno Grisci; Gabriela Kuhn; Felipe Colombelli; Vítor Kehl Matter; Leomar Lima; Karine Heinen; Mauricio Pegoraro; Marcio Borges; Sandro José Rigo; Jorge L. V. Barbosa; Rodrigo da Rosa Righi; Cristiano André da Costa; et al. (CoRR, 2022)

Learning analytics and collaborative groups of learners in distance education: a systematic mapping study. - Lidia Martins da Silva; Lucas P. S. Dias; Jorge L. V. Barbosa; Sandro José Rigo; Julio C. S. dos Anjos; Cláudio Fernando Resin Geyer; Valderi R. Q. Leithardt (Informatics Educ., 2022)

Exploring Artificial Intelligence Methods for the Automatic Measurement of a New Biomarker Aiming at Glaucoma Diagnosis. - Gabriel C. Fernandes; Fabio Lavinsky; Sandro José Rigo; Henrique C. Bohn (BRACIS (3), 2023)

Clinical Oncology Textual Notes Analysis Using Machine Learning and Deep Learning. - Diego Pinheiro da Silva; William da Rosa Fröhlich; Marco Antônio Schwertner; Sandro José Rigo (BRACIS (2), 2023)

SIMCOP: a framework for similarity analysis of context histories. - Tiago Wiedemann; Jorge Luis Victória Barbosa; Vítor Kehl Matter; Lucian Gonçales; Luan Carlos Nesi; Sandro José Rigo; Kleinner S. F. Oliveira (Int. J. Bus. Inf. Syst., 2023)

OntoAthena: an ontology for intelligent services in distance education. - Lidia Martins da Silva; Jorge Luis Victória Barbosa; Sandro José Rigo; Andrêsa Vargas Larentis; Emiliano Soares Monteiro (Int. J. Metadata Semant. Ontologies, 2023)

A utilização de Metodologias Ativas com suporte de Mineração de Dados Educacionais e Learning Analytics para a mitigação da evasão em EaD: um mapeamento sistemático da literatura. - Tiago Luís de Andrade; Caroline Medeiros Martins de Almeida; Jorge Luis Victória Barbosa; Sandro José Rigo (Revista Brasileira de Informática na Educ., 2023)

Advancing Chatbot Conversations: A Review of Knowledge Update Approaches. - Luis Antonio Leite Francisco da Costa; Mateus Begnini Melchiades; Valéria Soldera Girelli; Felipe Colombelli; Denis A. de Araujo; Sandro José Rigo; Gabriel de Oliveira Ramos; Cristiano André da Costa; Rodrigo da Rosa Righi; Jorge Luis Victória Barbosa (J. Braz. Comput. Soc., 2024)

UnbIAs - Google Translate Gender Bias Mitigation and Addition of Genderless Translation. - Vanessa Schenkel; Blanda Mello; Sandro José Rigo; Gabriel de Oliveira Ramos (RITA, 2024)

ATHENA I - An architecture for near real-time physiological signal monitoring and pattern detection. - William da Rosa Fröhlich; Sandro José Rigo; Marta Rosecler Bez (Future Gener. Comput. Syst., 2024)

An encoder-decoder deep neural network for binary segmentation of seismic facies. - Gefersom Lima; Felipe André Zeiser; Ariane da Silveira; Sandro José Rigo; Gabriel de Oliveira Ramos (Comput. Geosci., 2024)

Approximation of Inertial Measurement Unit Data to Time Series Kinematic Data Through Correlation Analysis and Machine Learning. - William da Rosa Fröhlich; Rafael Bittencourt; Sandro José Rigo; Rafael Baptista; César A. M. Marcon (BIOSTEC (2): HEALTHINF, 2025)

Smartphone Inertial Sensors in Gait Analysis: A Comparison with a Commercial Device. - Marco Oliveira; William da Rosa Fröhlich; Rafael Baptista; Sandro José Rigo; César A. M. Marcon (BIOSTEC (2): HEALTHINF, 2025)

Investigating Correlation and Similarity Between Inertial Measurement Unit and Kinematic Data in Gait Analysis. - William da Rosa Fröhlich; Rafael Bittencourt; Sandro José Rigo; Rafael Baptista; César A. M. Marcon (LASCAS, 2025)

Elevating rotating machinery fault analysis: A multifaceted strategy with FFT, PCA, ANN, and K-means. - Regis Cardoso; Willian Daniel de Mattos; Giancarlo Marchesini; Eduardo Camilo Inacio; Rodrigo Marques de Figueiredo; Sandro José Rigo (Comput. Electr. Eng., 2025)

Mineração de Dados Educacionais e Metodologias Ativas integrados a um Sistema de Recomendação para prevenção da evasão na Educação a Distância. - Tiago Luís de Andrade; Caroline Medeiros Martins de Almeida; Jorge Luis Victória Barbosa; Sandro José Rigo (Revista Brasileira de Informática na Educ., 2025)