A Multi-Agent Based Framework for Supporting Learning in Adaptive Automated Negotiation. - Rômulo Silva de Oliveira; Herman Gomes; Alan Silva; Ig Ibert Bittencourt; Evandro de Barros Costa (ICEIS (4), 2006)

Um ambiente para desenvolvimento de negociadores eletronicos inteligentes. - Rômulo Nunes; Alan Silva; Ig Ibert Bittencourt; Evandro Costa; Camila Nunes (SBSI, 2006)

Rule-Based Systems Combining AI Techniques into a Legal Agent-based Intelligent Tutoring System. - Ig Ibert Bittencourt; Marcos Tadeu; Evandro de Barros Costa (SEKE, 2006)

An environment for supporting automated electronic negotiations using ontologies and production rules. - Alan Silva; Rômulo Silva de Oliveira; Ig Ibert Bittencourt (WebMedia, 2006)

An Agent-Based Intelligent Tutoring System: A Case Study in Legal Domain. - Ig Ibert Bittencourt; Marcos Tadeu; Evandro de Barros Costa; Camila Nunes; Rômulo Nunes; Alan Silva (Int. Trans. Syst. Sci. Appl., 2006)

Developing Agent-Based Aied Systems under the Perspective of the Semantic Web. - Evandro de Barros Costa; Ig Ibert Bittencourt (AIED, 2007)

A computation environment for automated negotiation: a case study in electronic tourism. - Alan Silva; José Alencar Neto; Ig Ibert Bittencourt (SAC, 2007)

A Rule-Based Recommender System for Online Discussion Forums. - Fabian Abel; Ig Ibert Bittencourt; Nicola Henze; Daniel Krause 002; Julita Vassileva (AH, 2008)

Modeling JADE Agents from GAIA Methodology under the Perspective of Semantic Web. - Ig Ibert Bittencourt; Pedro Bispo; Evandro de Barros Costa; João Pedro Pontes; Douglas Véras; Diego Dermeval; Henrique Pacca Loureiro Luna (ICEIS, 2009)

An approach for semantic web services automatic discovery and composition with similarity metrics. - Ivo Calado; Heitor Barros; Ig Ibert Bittencourt (SAC, 2009)

A computational model for developing semantic web-based educational systems. - Ig Ibert Bittencourt; Evandro de Barros Costa; Marlos Silva; Elvys Soares (Knowl. Based Syst., 2009)

Estado da Arte em Web Semântica e Web 2.0: Potencialidades e Tendências da Nova Geração de Ambientes de Ensino na Internet. - Seiji Isotani; Ig Ibert Bittencourt; Riichiro Mizoguchi; Evandro Costa (Revista Brasileira de Informática na Educ., 2009)

An ontology-based software framework to provide educational data mining. - Tarsis Marinho; Evandro de Barros Costa; Diego Dermeval; Rafael Ferreira 002; Lucas Monteiro Braz; Ig Ibert Bittencourt; Henrique Pacca Loureiro Luna (SAC, 2010)

Editorial. - Alexandre Ibrahim Direne; André Luís Alice Raabe; Ig Ibert Bittencourt (Revista Brasileira de Informática na Educ., 2010)

Recommendations in Online Discussion Forums for E-Learning Systems. - Fabian Abel; Ig Ibert Bittencourt; Evandro de Barros Costa; Nicola Henze; Daniel Krause 002; Julita Vassileva (IEEE Trans. Learn. Technol., 2010)

A solution for personalized t-learning applications integrated with a web educational platform. - Douglas Véras; Ig Ibert Bittencourt; Heitor Barros; Marlos Silva; Evandro de Barros Costa (SAC, 2011)

Steps, techniques, and technologies for the development of intelligent applications based on Semantic Web Services: A case study in e-learning systems. - Heitor Barros; Alan Silva; Evandro de Barros Costa; Ig Ibert Bittencourt; Olavo Holanda; Leandro Melo de Sales (Eng. Appl. Artif. Intell., 2011)

Modelos e Ferramentas para a Construção de Sistemas Educacionais Adaptativos e Semânticos. - Ig Ibert Bittencourt; Evandro Costa (Revista Brasileira de Informática na Educ., 2011)

Um Mecanismo para a Descoberta Automática de Ambientes Educacionais. - Lucas Monteiro Braz; Ig Ibert Bittencourt; Evandro de Barros Costa (Revista Brasileira de Informática na Educ., 2011)

Modelos para a Construção de Sistemas Multiagentes: Um Estudo de Caso em Sistemas Tutores Inteligentes. - Marlos Tacio Silva; Ig Ibert Bittencourt; Evandro Costa (Revista Brasileira de Informática na Educ., 2011)

Construindo Aplicações de T-Learning Integradas com uma Plataforma Web Educacional Semântica. - Douglas Véras; Ig Ibert Bittencourt; Evandro Costa (Revista Brasileira de Informática na Educ., 2011)

Towards Reducing Cognitive Load and Enhancing Usability through a Reduced Graphical User Interface for a Dynamic Geometry System: An Experimental Study. - Helena Macedo Reis; Simone S. Borges; Vinicius H. S. Durelli; Luis Fernando de S. Moro; Anarosa A. F. Brandão; Ellen Francine Barbosa; Leônidas de Oliveira Brandão; Seiji Isotani; Patrícia Augustin Jaques; Ig Ibert Bittencourt (ISM, 2012)

Towards an Ontology-Based System to Improve Usability in Collaborative Learning Environments. - Endhe Elias; Dalgoberto Miquilino; Ig Ibert Bittencourt; Thyago Tenório; Rafael Ferreira 002; Alan Silva; Seiji Isotani; Patrícia Augustin Jaques (ITS, 2012)

A Tool for Efficient Development of Ontology-based Applications. - Olavo Holanda; Ig Ibert Bittencourt; Seiji Isotani; Endhe Elias; Judson Bandeira (ONTOBRAS-MOST, 2012)

A survey of security in multi-agent systems. - Rodolfo Carneiro Cavalcante; Ig Ibert Bittencourt; Alan Pedro da Silva; Marlos Silva; Evandro de Barros Costa; Robério José R. dos Santos (Expert Syst. Appl., 2012)

A framework for building web mining applications in the world of blogs: A case study in product sentiment analysis. - Evandro Costa; Rafael Ferreira 002; Patrick H. S. Brito; Ig Ibert Bittencourt; Olavo Holanda; Aydano P. Machado; Tarsis Marinho (Expert Syst. Appl., 2012)

Educational resources recommendation system based on agents and semantic web for helping students in a virtual learning environment. - Olavo Holanda; Rafael Ferreira 002; Evandro Costa; Ig Ibert Bittencourt; Jean Melo; Mário Peixoto; Willy Tiengo (Int. J. Web Based Communities, 2012)

Uma Linha de Produto de Software baseada na Web Semântica para Sistemas Tutores Inteligentes. - Alan Silva; Evandro Costa; Ig Ibert Bittencourt (Revista Brasileira de Informática na Educ., 2012)

Towards an Agent-Based Approach for Automatic Generation of Researcher Profiles Using Multiple Data Sources. - Olavo Holanda; Endhe Elias; Evandro Costa; Baldoino Fonseca; Ig Ibert Bittencourt (Web Intelligence/IAT Workshops, 2013)

Exploring Twofold Adaptability to the User Interface - Different Users and Multiple Devices. - Ig Ibert Bittencourt; Maria Cecília Calani Baranauskas; Diego Dermeval; Roberto Pereira 002; Juliana Braga (ICEIS (3), 2013)

Designing for Different Users and Multiple Devices: A Roadmap towards Inclusive Environments. - Ig Ibert Bittencourt; Maria Cecília Calani Baranauskas; Diego Dermeval; Juliana Braga; Roberto Pereira 002 (INTERACT (1), 2013)

On the use of metamodeling for relating requirements and architectural design decisions. - Diego Dermeval; Jaelson Castro; Carla T. L. L. Silva; João Pimentel 001; Ig Ibert Bittencourt; Patrick Henrique da S. Brito; Endhe Elias; Thyago Tenório; Alan Pedro da Silva (SAC, 2013)

A Semantic Web-based authoring tool to facilitate the planning of collaborative learning scenarios compliant with learning theories. - Seiji Isotani; Riichiro Mizoguchi; Sadao Isotani; Olimpio M. Capeli; Naoko Isotani; Antonio R. P. L. de Albuquerque; Ig Ibert Bittencourt; Patrícia Augustin Jaques (Comput. Educ., 2013)

JOINT: Java ontology integrated toolkit. - Olavo Holanda; Seiji Isotani; Ig Ibert Bittencourt; Endhe Elias; Thyago Tenório (Expert Syst. Appl., 2013)

Rule-based expert systems to support step-by-step guidance in algebraic problem solving: The case of the tutor PAT2Math. - Patrícia Augustin Jaques; Henrique M. Seffrin; Geiseane L. Rubi; Felipe de Morais; Cássio Ghilardi; Ig Ibert Bittencourt; Seiji Isotani (Expert Syst. Appl., 2013)

Um Sistema para Inspeções de Garantia da Qualidade Baseado em Ontologias e Agentes. - João Pablo Silva da Silva; Pablo Dall'Oglio; Sérgio Crespo Coelho da Silva Pinto; Ig Ibert Bittencourt (RITA, 2013)

A Systematic Approach for Providing Personalized Pedagogical Recommendations Based on Educational Data Mining. - Ranilson Oscar Araújo Paiva; Ig Ibert Bittencourt Santa Pinto; Alan Pedro da Silva; Seiji Isotani; Patrícia Augustin Jaques (Intelligent Tutoring Systems, 2014)

Lessons learned from an online open course: a Brazilian case study. - Ranilson Oscar Araújo Paiva; Daniel Borges; Jário José Santos; Ig Ibert Bittencourt; Alan Pedro da Silva (SAC, 2014)

A Systematic Review on the Use of Ontologies in Requirements Engineering. - Diego Dermeval; Jéssyka Vilela; Ig Ibert Bittencourt; Jaelson Castro; Seiji Isotani; Patrick Henrique da S. Brito (SBES, 2014)

Automated instructional design for CSCL: A hierarchical task network planning approach. - Geiser Chalco Challco; Marco Aurélio Gerosa; Ig Ibert Bittencourt; Seiji Isotani (Expert Syst. Appl., 2014)

Steps Towards the Gamification of Collaborative Learning Scenarios Supported by Ontologies. - Geiser Chalco Challco; Riichiro Mizoguchi; Ig Ibert Bittencourt; Seiji Isotani (AIED, 2015)

Badges and XP: An observational study about learning. - Ranilson Paiva; Armando Barbosa; Ezequiel Batista; Daniel Pimentel; Ig Ibert Bittencourt (FIE, 2015)

Quality Evaluation of Web-Based Educational Software: A Systematic Mapping. - Aparecida M. Z. Lopes; Lais Z. Pedro; Seiji Isotani; Ig Ibert Bittencourt (ICALT, 2015)

Affective States in CSCL Environments: A Systematic Mapping of the Literature. - Rachel Carlos Duque Reis; Carla Lopes Rodriguez; Kamila Takayama Lyra; Patrícia Augustin Jaques; Ig Ibert Bittencourt; Seiji Isotani (ICALT, 2015)

A survey analysis on goal orientation changes in an information systems distance course: a Brazilian case study. - Cheops Araujo Malta; Ranilson Oscar Araújo Paiva; Alan Pedro da Silva; Ig Ibert Bittencourt; Ananias Queiroga de Oliveira Filho (SAC, 2015)

Improving pedagogical recommendations by classifying students according to their interactional behavior in a gamified learning environment. - Ranilson Oscar Araújo Paiva; Ig Ibert Bittencourt; Alan Pedro da Silva; Seiji Isotani; Patrícia Augustin Jaques (SAC, 2015)

OntoQAI: An Ontology to Support Quality Assurance Inspections. - João Pablo Silva da Silva; Pablo Dall'Oglio; Sérgio Crespo Coelho da Silva Pinto; Ig Ibert Bittencourt; Sérgio Luis Sardi Mergen (SBES, 2015)

Gamification of Collaborative Learning Scenarios: Structuring Persuasive Strategies Using Game Elements and Ontologies. - Geiser Chalco Challco; Riichiro Mizoguchi; Ig Ibert Bittencourt; Seiji Isotani (SOCIALEDU, 2015)

Ontology-based feature modeling: An empirical study in changing scenarios. - Diego Dermeval; Thyago Tenório; Ig Ibert Bittencourt; Alan Silva; Seiji Isotani; Márcio Ribeiro 001 (Expert Syst. Appl., 2015)

Estado da Arte sobre Afetividade na Formação de Grupos em Ambientes Colaborativos de Aprendizagem. - Rachel Carlos Duque Reis; Carla Lopes Rodriguez; Kamila Takayama Lyra; Patrícia Augustin Jaques; Ig Ibert Bittencourt; Seiji Isotani (Revista Brasileira de Informática na Educ., 2015)

AssistLIBRAS: Uma Ferramenta de Autoria para a Construção de Sinais da LIBRAS. - Denys F. S. Rocha; Ig Ibert Bittencourt Santana Pinto; Rafael de Amorim Silva (Revista Brasileira de Informática na Educ., 2015)

Discouraging Gaming the System Through Interventions of an Animated Pedagogical Agent. - Thiago Marquez Nunes; Ig Ibert Bittencourt; Seiji Isotani; Patrícia Augustin Jaques (EC-TEL, 2016)

OntoSoft Process: Towards an Agile Process for Ontology-Based Software. - Joice B. Machado; Seiji Isotani; Armando Barbosa; Judson Bandeira; Williams Alcantara; Ig Ibert Bittencourt; Ellen Francine Barbosa (HICSS, 2016)

Infographics or Graphics+Text: Which Material is Best for Robust Learning? - Kamila Takayama Lyra; Seiji Isotani; Rachel Carlos Duque Reis; Leonardo B. Marques; Lais Z. Pedro; Patrícia Augustin Jaques; Ig Ibert Bittencourt (ICALT, 2016)

Evaluating the Impact of Mars and Venus Effect on the Use of an Adaptive Learning Technology for Portuguese and Mathematics. - Sivaldo J. de Santana; Ranilson Paiva; Ig Ibert Bittencourt; Patrícia Espinheira Ospina; Rafael de Amorim Silva; Seiji Isotani (ICALT, 2016)

Modelling Students' Algebraic Knowledge with Dynamic Bayesian Networks. - Henrique M. Seffrin; Ig Ibert Bittencourt; Seiji Isotani; Patrícia Augustin Jaques (ICALT, 2016)

A Quantitative Analysis of the Most Relevant Gamification Elements in an Online Learning Environment. - Sivaldo J. de Santana; Hugo A. Souza; Victor A. F. Florentin; Ranilson Paiva; Ig Ibert Bittencourt; Seiji Isotani (WWW (Companion Volume), 2016)

Reduced GUI for an interactive geometry software: Does it affect students' performance? - Simone S. Borges; Helena Macedo Reis; Leonardo B. Marques; Vinicius H. S. Durelli; Ig Ibert Bittencourt; Patrícia Augustin Jaques; Seiji Isotani (Comput. Hum. Behav., 2016)

What do students do on-line? Modeling students' interactions to improve their learning experience. - Ranilson Paiva; Ig Ibert Bittencourt; Thyago Tenório; Patrícia Augustin Jaques; Seiji Isotani (Comput. Hum. Behav., 2016)

Does peer assessment in on-line learning environments work? A systematic review of the literature. - Thyago Tenório; Ig Ibert Bittencourt; Seiji Isotani; Alan Pedro da Silva (Comput. Hum. Behav., 2016)

A gamified peer assessment model for on-line learning environments in a competitive context. - Thyago Tenório; Ig Ibert Bittencourt; Seiji Isotani; Alan Pedro da Silva; Patrícia Ospina (Comput. Hum. Behav., 2016)

FOCA: A Methodology for Ontology Evaluation. - Judson Bandeira; Ig Ibert Bittencourt; Patrícia Espinheira; Seiji Isotani (CoRR, 2016)

Toward A Unified Modeling of Learner's Growth Process and Flow Theory. - Geiser Chalco Challco; Fernando R. H. Andrade; Simone S. Borges; Ig Ibert Bittencourt; Seiji Isotani (J. Educ. Technol. Soc., 2016)

Computer-based systems for automating instructional design of collaborative learning scenarios: a systematic literature review. - Geiser Chalco Challco; Ig Ibert Bittencourt; Seiji Isotani (Int. J. Knowl. Learn., 2016)

Step Towards a Model to Bridge the Gap between Personality Traits and Collaborative Learning Roles. - Rachel Carlos Duque Reis; Carla Lopes Rodriguez; Geiser Chalco Challco; Kamila Takayama Lyra; Leonardo B. Marques; Patrícia Augustin Jaques; Ig Ibert Bittencourt; Seiji Isotani (IxD&A, 2016)

Inovação e Criatividade na Educação Básica: Dos con-ceitos ao ecossistema. - David Cavallo; Helena Singer; Alex Sandro Gomes; Ig Ibert Bittencourt; Ismar Frango Silveira (Revista Brasileira de Informática na Educ., 2016)

Avaliação Léxico-Sintática de Atividades Escritas em Algoritmo Genético e Processamento de Linguagem Natural: Um Experimento no ENEM. - Jário José Santos; Ranilson Paiva; Ig Ibert Bittencourt (Revista Brasileira de Informática na Educ., 2016)

Applications of ontologies in requirements engineering: a systematic review of the literature. - Diego Dermeval; Jéssyka Vilela; Ig Ibert Bittencourt; Jaelson Castro; Seiji Isotani; Patrick Henrique da S. Brito; Alan Silva (Requir. Eng., 2016)

A systematic review on multi-device inclusive environments. - Ig Ibert Bittencourt; Maria Cecília Calani Baranauskas; Roberto Pereira 002; Diego Dermeval; Seiji Isotani; Patrícia Augustin Jaques (Univers. Access Inf. Soc., 2016)

Group Formation in CSCL: A Review of the State of the Art. - Simone de Sousa Borges; Riichiro Mizoguchi; Ig Ibert Bittencourt; Seiji Isotani (HEFA, 2017)

Helping MOOC Teachers Do Their Job. - Ranilson Paiva; Ig Ibert Bittencourt (HEFA, 2017)

An Agile Method for Developing OERs and Its Application in Serious Game Design. - Rafaela V. Rocha; Pedro Pedro Henrique Valle; José Carlos Maldonado; Ig Ibert Bittencourt; Seiji Isotani (HEFA, 2017)

Brazilian Portuguese Cross-Cultural Adaptation and Validation of the Susceptibility to Persuasion Scale (Br-STPS). - Simone S. Borges; Vinicius H. S. Durelli; Helena Macedo Reis; Ig Ibert Bittencourt; Riichiro Mizoguchi; Seiji Isotani (ICALT, 2017)

The Use of Handwriting Input in Math Tutoring Systems: An Use Case with PAT2Math. - Felipe de Morais; Ig Ibert Bittencourt; Seiji Isotani; Patrícia Augustin Jaques (ICALT, 2017)

AIMED: Agile, Integrative and Open Method for Open Educational Resources Development. - Rafaela V. Rocha; Pedro Henrique Dias Valle; José Carlos Maldonado; Ig Ibert Bittencourt; Seiji Isotani (ICALT, 2017)

Does gender stereotype threat in gamified educational environments cause anxiety? An experimental study. - Josmario Albuquerque; Ig Ibert Bittencourt; Jorge A. P. M. Coelho; Alan P. Silva (Comput. Educ., 2017)

An object triple mapping system supporting detached objects: A performance and memory usage empirical comparison. - Olavo Holanda; Seiji Isotani; Ig Ibert Bittencourt; Diego Dermeval; Williams Alcantara (Eng. Appl. Artif. Intell., 2017)

An ontology-driven software product line architecture for developing gamified intelligent tutoring systems. - Diego Dermeval; Glauber Rodrigues Leite; João Almeida; Josmario Albuquerque; Ig Ibert Bittencourt; Sean W. M. Siqueira; Seiji Isotani; Alan Pedro da Silva (Int. J. Knowl. Learn., 2017)

The Use of Software Tools in Linked Data Publication and Consumption: A Systematic Literature Review. - Armando Barbosa; Ig Ibert Bittencourt; Sean Wolfgand Matsui Siqueira; Rafael de Amorim Silva; Ivo Calado (Int. J. Semantic Web Inf. Syst., 2017)

Metodologia de Desenvolvimento de Jogos Sérios: especificação de ferramentas de apoio open source. - Rafaela Vilela Rocha; Aparecida Maria Zem-Lopes; Laís Zagatti Pedro; Ig Ibert Bittencourt; Seiji Isotani (Revista Brasileira de Informática na Educ., 2017)

A semi-automatic system to evaluate the performance and scalability of ontology persistent APIs. - Endhe Elias; Jário José Santos; Ig Ibert Bittencourt; Seiji Isotani; Olavo Holanda; Patrick H. S. Brito (Sci. Comput. Program., 2017)

Amplifying Teachers Intelligence in the Design of Gamified Intelligent Tutoring Systems. - Diego Dermeval; Josmário Albuquerque; Ig Ibert Bittencourt; Julita Vassileva; Wansel Lemos; Alan Pedro da Silva; Ranilson Paiva (AIED (2), 2018)

Visualizing Learning Analytics and Educational Data Mining Outputs. - Ranilson Paiva; Ig Ibert Bittencourt; Wansel Lemos; André Vinicius; Diego Dermeval (AIED (2), 2018)

Pedagogical Recommendation to Improve the Quality of Writing: A Case Study In a Public School. - Danilo Abreu; Ig Ibert Bittencourt; Ranilson Paiva; Diego Dermeval (ICALT, 2018)

Authoring Tools for Designing Intelligent Tutoring Systems: a Systematic Review of the Literature. - Diego Dermeval; Ranilson Paiva; Ig Ibert Bittencourt; Julita Vassileva; Daniel Borges (Int. J. Artif. Intell. Educ., 2018)

Affective states in computer-supported collaborative learning: Studying the past to drive the future. - Rachel Carlos Duque Reis; Seiji Isotani; Carla Lopes Rodriguez; Kamila Takayama Lyra; Patrícia Augustin Jaques; Ig Ibert Bittencourt (Comput. Educ., 2018)

A systematic review on the use of best practices for publishing linked data. - Danila Feitosa; Diego Dermeval; Thiago Ávila; Ig Ibert Bittencourt; Bernadette Farias Lóscio; Seiji Isotani (Online Inf. Rev., 2018)

Informática na Educação baseada em Evidências: Um Manifesto. - Ig Ibert Bittencourt; Seiji Isotani (Revista Brasileira de Informática na Educ., 2018)

Flow Theory to Promote Learning in Educational Systems: Is it Really Relevant? - Wilk Oliveira dos Santos; Ig Ibert Bittencourt; Seiji Isotani; Diego Dermeval; Leonardo Brandão Marques; Ismar Frango Silveira (Revista Brasileira de Informática na Educ., 2018)

EmAP-ML: A Protocol of Emotions and Behaviors Annotation for Machine Learning Labels. - Felipe de Morais; Tiago Roberto Kautzmann; Ig Ibert Bittencourt; Patrícia Augustin Jaques (EC-TEL, 2019)

Planning Gamification Strategies based on User Characteristics and DM: A Gender-based Case Study. - Armando Maciel Toda; Wilk Oliveira; Lei Shi 003; Ig Ibert Bittencourt; Seiji Isotani; Alexandra I. Cristea (EDM, 2019)

The Effects of Ontology-Based Gamification in Scripted Collaborative Learning. - Geiser Chalco Challco; Seiji Isotani; Ig Ibert Bittencourt (ICALT, 2019)

Helping Teachers Design Gamified Intelligent Tutoring Systems. - Diego Dermeval; Italo Lima; Matheus Castro; Henrique Couto; Daniel Gomes; Aristoteles Peixoto; Ig Ibert Bittencourt (ICALT, 2019)

A Taxonomy of Game Elements for Gamification in Educational Contexts: Proposal and Evaluation. - Armando Maciel Toda; Wilk Oliveira; Ana Carolina Tomé Klock; Paula Toledo Palomino; Marcelo Pimenta; Ig Ibert Bittencourt; Lei Shi 003; Isabela Gasparini; Seiji Isotani; Alexandra I. Cristea (ICALT, 2019)

Software Requirements for the Design of Gamified Applications for Time Management and Tasks for Children and Adolescents with ADHD. - Tássio José Gonçalves Gomes; Wilk Oliveira dos Santos; Leonardo Brandão Marques; Patrick Henrique da Silva Brito; Ig Ibert Bittencourt (SBSI, 2019)

GaTO: An Ontological Model to Apply Gamification in Intelligent Tutoring Systems. - Diego Dermeval; Josmário Albuquerque; Ig Ibert Bittencourt; Seiji Isotani; Alan Pedro da Silva; Julita Vassileva (Frontiers Artif. Intell., 2019)

An approach for planning and deploying gamification concepts with social networks within educational contexts. - Armando Maciel Toda; Ricardo Melo Casseb do Carmo; Alan Pedro da Silva; Ig Ibert Bittencourt; Seiji Isotani (Int. J. Inf. Manag., 2019)

Does Gamification Improve Flow Experience in Classroom? An Analysis of Gamer Types in Collaborative and Competitive Settings. - Alexandre Marinho; Wilk Oliveira; Ig Ibert Bittencourt; Diego Demerval (Revista Brasileira de Informática na Educ., 2019)

Análise exploratória sobre a abertura de dados educacionais no Brasil: como torná-los prontos para o ecossistema da Web? - Bruno Elias Penteado; Ig Ibert Bittencourt; Seiji Isotani (Revista Brasileira de Informática na Educ., 2019)

Analysing gamification elements in educational environments using an existing Gamification taxonomy. - Armando Maciel Toda; Ana Carolina Tomé Klock; Wilk Oliveira; Paula Toledo Palomino; Luiz A. L. Rodrigues; Lei Shi 003; Ig Ibert Bittencourt; Isabela Gasparini; Seiji Isotani; Alexandra I. Cristea (Smart Learn. Environ., 2019)

Automatic Question Classifiers: A Systematic Review. - Valtemir A. Silva; Ig Ibert Bittencourt; José Carlos Maldonado (IEEE Trans. Learn. Technol., 2019)

Can Ontologies Support the Gamification of Scripted Collaborative Learning Sessions? - Geiser Chalco Challco; Ig Ibert Bittencourt; Seiji Isotani (AIED (1), 2020)

Helping Teachers Help Their Students: A Human-AI Hybrid Approach. - Ranilson Paiva; Ig Ibert Bittencourt (AIED (1), 2020)

A Gamified Solution to the Cold-Start Problem of Intelligent Tutoring System. - Yang Pian; Yu Lu 003; Yuqi Huang; Ig Ibert Bittencourt (AIED (2), 2020)

Does Tailoring Gamified Educational Systems Matter? The Impact on Students' Flow Experience. - Wilk Oliveira; Armando Maciel Toda; Paula Toledo Palomino; Lei Shi 003; Julita Vassileva; Ig Ibert Bittencourt; Seiji Isotani (HICSS, 2020)

Data-Driven Analysis of Engagement in Gamified Learning Environments: A Methodology for Real-Time Measurement of MOOCs. - Khulood Alharbi; Laila Alrajhi; Alexandra I. Cristea; Ig Ibert Bittencourt; Seiji Isotani; Annie James (ITS, 2020)

Co-designing Gamified Intelligent Tutoring Systems with Teachers. - Diego Dermeval; Ig Ibert Bittencourt (Revista Brasileira de Informática na Educ., 2020)

On the joint use of Artificial Intelligence and Brain-Imaging Techniques in Technology-enhanced Learning Environments: A Systematic Literature Review. - Kamilla Tenório; Jário José Santos; Victor Accete; Sterfanno Remigio; Alan Pedro da Silva; Diego Dermeval; Ig Ibert Bittencourt; Leonardo Brandão Marques (Revista Brasileira de Informática na Educ., 2021)

Homogeneous Group Formation in Collaborative Learning Scenarios: An Approach Based on Personality Traits and Genetic Algorithms. - Oscar Revelo-Sánchez; César Alberto Collazos Ordóñez; Miguel Ángel Redondo Duque; Ig Ibert Bittencourt Santana Pinto (IEEE Trans. Learn. Technol., 2021)

The State-of-the-Art on Collective Intelligence in Online Educational Technologies. - Thyago Tenório; Seiji Isotani; Ig Ibert Bittencourt; Yu Lu 003 (IEEE Trans. Learn. Technol., 2021)

Authoring Inner Loops of Intelligent Tutoring Systems Using Collective Intelligence. - Thyago Tenório; Seiji Isotani; Ig Ibert Bittencourt (AIED (2), 2022)

Sequence Labeling Algorithms for Punctuation Restoration in Brazilian Portuguese Texts. - Tiago Barbosa de Lima; Péricles B. C. Miranda; Rafael Ferreira Mello; Moésio Wenceslau; Ig Ibert Bittencourt; Thiago Damasceno Cordeiro; Jário José Santos (BRACIS (2), 2022)

Ethics of AI in Education: Towards a Community-Wide Framework. - Wayne Holmes; Kaska Porayska-Pomsta; Ken Holstein; Emma Sutherland; Toby Baker; Simon Buckingham Shum; Olga C. Santos; Maria Mercedes T. Rodrigo; Mutlu Cukurova; Ig Ibert Bittencourt; Kenneth R. Koedinger (Int. J. Artif. Intell. Educ., 2022)

What to do and what to avoid on the use of gamified intelligent tutor system for low-income students. - Sivaldo Joaquim; Ig Ibert Bittencourt; Rafael de Amorim Silva; Patrícia Leone Espinheira; Marcelo Reis (Educ. Inf. Technol., 2022)

Brain-imaging techniques in educational technologies: A systematic literature review. - Kamilla Tenório; Emanuel Pereira; Sterfanno Remigio; Derecky Costa; Wilk Oliveira; Diego Dermeval; Alan Pedro da Silva; Ig Ibert Bittencourt; Leonardo Brandão Marques (Educ. Inf. Technol., 2022)

Investigating how gamified syllabic literacy impacts learning, flow and inappropriate behaviors: A single-subject study design. - Danielle Akemi Jogo; Geiser Chalco Challco; Ig Ibert Bittencourt; Marcelo Reis; Laíza Ribeiro Silva; Seiji Isotani (Int. J. Child Comput. Interact., 2022)

A Context-Independent Ontological Linked Data Alignment Approach to Instance Matching. - Armando Barbosa; Ig Ibert Bittencourt; Sean W. M. Siqueira; Diego Dermeval; Nicholas J. T. Cruz (Int. J. Semantic Web Inf. Syst., 2022)

Tecnologias Educacionais Estereotipadas: Um desafio a ser enfrentado. - Jário José Santos; Kamila Benevides; Ester Andrade; João Vitor Lourenço Batista Do Nascimento; Kelly Silva; Ig Ibert Bittencourt; Marcos Pereira; Sheyla Fernandes; Cristiana Carina Bld Bittencourt; Seiji Isotani (Revista Brasileira de Informática na Educ., 2022)

The Good and Bad of Stereotype Threats: Understanding Its Effects on Negative Thinking and Learning Performance in Gamified Tutoring. - Jessica Fernanda Silva Barbosa; Geiser Chalco Challco; Francys Rafael Do Nascimento Martins; Breno Felix de Sousa; Ig Ibert Bittencourt; Marcelo Reis; Jário José Santos; Seiji Isotani (AIED (Posters/Late Breaking Results/...), 2023)

Gamiflow: Towards a Flow Theory-Based Gamification Framework for Learning Scenarios. - Geiser Chalco Challco; Ig Ibert Bittencourt; Marcelo Reis; Jário José Santos; Seiji Isotani (AIED (Posters/Late Breaking Results/...), 2023)

AIED Unplugged: Leapfrogging the Digital Divide to Reach the Underserved. - Seiji Isotani; Ig Ibert Bittencourt; Geiser Chalco Challco; Diego Dermeval; Rafael Ferreira Mello (AIED (Posters/Late Breaking Results/...), 2023)

Artificial Intelligence and Educational Policy: Bridging Research and Practice. - Seiji Isotani; Ig Ibert Bittencourt; Erin Walker (AIED (Posters/Late Breaking Results/...), 2023)

A Case Study on AIED Unplugged Applied to Public Policy for Learning Recovery Post-pandemic in Brazil. - Carlos Portela 003; Rodrigo Lisbôa Pereira; Koiti Yasojima; Thiago Damasceno Cordeiro; Alan Silva; Diego Dermeval; Leonardo B. Marques; Jário José Santos; Rafael Ferreira Leite de Mello; Valmir Macário; Ig Ibert Bittencourt; Seiji Isotani (AIED (Posters/Late Breaking Results/...), 2023)

Question Classification with Constrained Resources: A Study with Coding Exercises. - Luiz A. L. Rodrigues; Filipe D. Pereira; Jário José Santos; Elaine H. T. Oliveira; Isabela Gasparini; Rafael Ferreira Leite de Mello; Leonardo Brandão Marques; Diego Dermeval; Ig Ibert Bittencourt; Seiji Isotani (AIED (Posters/Late Breaking Results/...), 2023)

ITS Unplugged: Leapfrogging the Digital Divide for Teaching Numeracy Skills in Underserved Populations. - Thomaz Edson Veloso da Silva; Geiser Chalco Challco; Luiz Rodrigues 001; Fabiana Maris Versuti; Rodolfo Sena da Penha; Lívia Silva Oliveira; Guilherme Corredato Guerino; Luís Felipe Cavalcanti de Amorim; Marcelo Luiz Monteiro Marinho; Valmir Macario; Diego Dermeval; Ig Ibert Bittencourt; et al. (Human-AI Math Tutoring@AIED, 2023)

Even Boosting Stereotypes Increase the Gender Gap in Gamified Tutoring Systems: An Analysis of Self-efficacy, Flow and Learning. - Maria Takeshita; Geiser Chalco Challco; Marcelo Reis; Jário José Santos; Seiji Isotani; Ig Ibert Bittencourt (AIED (Posters/Late Breaking Results/...), 2023)

Towards explainable prediction of essay cohesion in Portuguese and English. - Hilário Oliveira; Rafael Ferreira Mello; Bruno Alexandre Barreiros Rosa; Mladen Rakovic; Péricles B. C. Miranda; Thiago Damasceno Cordeiro; Seiji Isotani; Ig Ibert Bittencourt; Dragan Gasevic (LAK, 2023)

Inteligência Artificial para Educação: Um Caminho para um Campo mais Inclusivo. - Elyda Laisa Soares Xavier Freitas; Ig Ibert Bittencourt; Seiji Isotani; Leonardo B. Marques; Diego Dermeval; Alan Silva; Rafael Ferreira Mello (Revista Brasileira de Informática na Educ., 2023)

Revisão Sistemática da Literatura sobre Gamificação, Satisfação e Diversão na Educação. - José Silvino da Silva Neto; Bruna Damaris Ramos dos Santos; Breno Felix de Sousa; Ig Ibert Bittencourt; Geiser Chalco Challco (Revista Brasileira de Informática na Educ., 2023)

Does gender stereotype threat affects the levels of aggressiveness, learning and flow in gamified learning environments?: An experimental study. - Jário José Santos; Ester Andrade; Kamila Benevides; Kelly Silva; João Vitor Lourenço Batista Do Nascimento; Ig Ibert Bittencourt; Marcos Pereira; Sheyla Fernandes; Seiji Isotani (Educ. Inf. Technol., 2023)

Applications of convolutional neural networks in education: A systematic literature review. - Lenardo Chaves e Silva; Álvaro Alvares de Carvalho César Sobrinho; Thiago Damasceno Cordeiro; Rafael Ferreira Leite de Mello; Ig Ibert Bittencourt; Leonardo Brandão Marques; Diego Dermeval Medeiros da Cunha Matos; Alan Pedro da Silva; Seiji Isotani (Expert Syst. Appl., 2023)

An assistive technology based on Peirce's semiotics for the inclusive education of deaf and hearing children. - Denys F. S. Rocha; Ig Ibert Bittencourt; Rafael de Amorim Silva; Patrícia Leone Espinheira (Univers. Access Inf. Soc., 2023)

Unhappiness and Demotivation Among Students in Gamified Tutoring Systems: Toward Understanding the Gender Gap. - Kamila Benevides; Jário José Santos; Geiser Chalco Challco; Marcelo Reis; Alvaro Sobrinho; Leonardo Brandão Marques; Diego Dermeval; Rafael Ferreira Leite de Mello; Alan Silva; Seiji Isotani; Ig Ibert Bittencourt (AIED Companion (2), 2024)

Exploring NLP and Embedding for Automatic Essay Scoring in the Portuguese. - Ruan Carvalho; Lucas Fernandes Lins; Luiz A. L. Rodrigues; Péricles B. C. Miranda; Hilário Oliveira; Thiago Damasceno Cordeiro; Ig Ibert Bittencourt; Seiji Isotani; Rafael Ferreira Mello (AIED Companion (1), 2024)

An Optimization Approach for Elementary School Handwritten Mathematical Expression Recognition. - Sérgio F. Chevtchenko; Ruan Carvalho; Luiz A. L. Rodrigues; Everton Souza; Daniel Carneiro Rosa; Filipe R. Cordeiro; Cicero Pereira; Thales Vieira; Marcelo Marinho; Diego Dermeval; Ig Ibert Bittencourt; Seiji Isotani; et al. (AIED Companion (2), 2024)

Contextual Features for Automatic Essay Scoring in Portuguese. - Lucas Galhardi; Maria Fernanda Herculano; Luiz A. L. Rodrigues; Péricles B. C. Miranda; Hilário Oliveira; Thiago Damasceno Cordeiro; Ig Ibert Bittencourt; Seiji Isotani; Rafael Ferreira Mello (AIED Companion (1), 2024)

Breaking the Cycle: AI Boosting Communication Skills of Low-Income Students in Brazil. - Renata Miranda de Gama; Geiser Chalco Challco; Jário José Santos; Marcelo Reis; Alvaro Sobrinho; Seiji Isotani; Ig Ibert Bittencourt (AIED Companion (1), 2024)

Bringing AIED, Public Policy and GDPR to Promote Educational Opportunities in Brazil. - Carlos S. Portela; Jorge Rocha 004; Paula T. Palomino; Rodrigo Lisbôa Pereira; Thiago Damasceno Cordeiro; Alan Silva; Ig Ibert Bittencourt; Diego Dermeval; Leonardo Brandão Marques; Seiji Isotani (AIED Companion (1), 2024)

Anticipating Student Abandonment and Failure: Predictive Models in High School Settings. - Emanuel Marques Queiroga; Daniel Santana; Marcelo da Silva; Martim de Aguiar; Vinicius dos Santos; Rafael Ferreira Mello; Ig Ibert Bittencourt; Cristian Cechinel (AIED (1), 2024)

Knowledge Tracing Unplugged: From Data Collection to Model Deployment. - Luiz A. L. Rodrigues; Anderson P. Avila-Santos; Thomaz Edson Veloso da Silva; Rodolfo Sena da Penha; Carlos Neto; Geiser Chalco Challco; Ermesson L. dos Santos; Everton Souza; Guilherme Corredato Guerino; Thales Vieira; Marcelo Marinho; Valmir Macario; et al. (AIED (1), 2024)

Exploring the Impact of Gender Stereotypes on Motivation, Flow State, and Learning Performance in a Gamified Tutoring System. - Kelly Silva; Jário José Santos; Geiser Chalco Challco; Marcelo Reis; Leonardo Brandão Marques; Alan Silva; Alvaro Sobrinho; Diego Dermeval; Rafael Ferreira Leite de Mello; Ig Ibert Bittencourt; Seiji Isotani (AIED Companion (2), 2024)

Handwritten Equation Detection in Disconnected, Low-Cost Mobile Devices. - Everton Souza; Ermesson L. dos Santos; Luiz A. L. Rodrigues; Daniel Carneiro Rosa; Filipe R. Cordeiro; Cicero Pereira; Sérgio F. Chevtchenko; Ruan Carvalho; Thales Vieira; Marcelo Marinho; Diego Dermeval; Ig Ibert Bittencourt; et al. (AIED Companion (2), 2024)

AI in Education Unplugged Support Equity Between Rural and Urban Areas in Brazil. - Carlos S. Portela; Paula T. Palomino; Geiser Chalco Challco; Alvaro Sobrinho; Thiago Damasceno Cordeiro; Rafael Ferreira Leite de Mello; Diego Dermeval; Ig Ibert Bittencourt; Seiji Isotani (ICTD, 2024)

Near Feasibility, Distant Practicality: Empirical Analysis of Deploying and Using LLMs on Resource-Constrained Smartphones. - Mateus Monteiro Santos; Aristoteles Barros; Luiz Rodrigues 001; Diego Dermeval; Tiago T. Primo; Ig Ibert Bittencourt; Seiji Isotani (ICTD, 2024)

PROPOR'24 Competition on Automatic Essay Scoring of Portuguese Narrative Essays. - Rafael Ferreira Mello; Hilário Oliveira; Moésio Wenceslau; Hyan Batista; Thiago Damasceno Cordeiro; Ig Ibert Bittencourt; Seiji Isotani (PROPOR (2), 2024)

Data-Driven Strategies for Achieving School Equity: Insights From Brazil and Policy Recommendations. - Emanuel Marques Queiroga; Elton Sarmanho Siqueira; Carlos dos Santos Portela; Thiago Damasceno Cordeiro; Ig Ibert Bittencourt; Seiji Isotani; Rafael Ferreira Mello; Roberto Muñoz 001; Cristian Cechinel (IEEE Access, 2024)

Assessing students' handwritten text productions: A two-decades literature review. - Lenardo Chaves e Silva; Alvaro Sobrinho; Thiago Damasceno Cordeiro; Alan Pedro da Silva; Diego Dermeval; Leonardo Brandão Marques; Ig Ibert Bittencourt; Jário José dos Santos Júnior; Rafael Ferreira Mello; Carlos dos Santos Portela; Maurício Ronny de Almeida Souza; Rodrigo Lisbôa Pereira; et al. (Expert Syst. Appl., 2024)

When boosting gender stereotypes increases flow experience and reduces self-handicapping in gamified tutoring systems. - João Vitor Lourenço Batista Do Nascimento; Jário José dos Santos Júnior; Geiser Chalco Challco; Ig Ibert Bittencourt (J. Braz. Comput. Soc., 2024)

We see You: Understanding Math Teachers from Brazilian Public Schools to Design Equitable Educational Technology. - Guilherme Corredato Guerino; Luiz A. L. Rodrigues; Lívia Silva Oliveira; Marcelo Marinho; Thomaz Edson Veloso da Silva; Luiz Amorim; Diego Dermeval; Rodolfo Sena da Penha; Ig Ibert Bittencourt; Seiji Isotani (Revista Brasileira de Informática na Educ., 2024)

Mathematics intelligent tutoring systems with handwritten input: a scoping review. - Luiz A. L. Rodrigues; Filipe Dwan Pereira; Marcelo Marinho; Valmir Macario; Ig Ibert Bittencourt; Seiji Isotani; Diego Dermeval; Rafael Ferreira Mello (Educ. Inf. Technol., 2024)

Positive Artificial Intelligence in Education (P-AIED): A Roadmap. - Ig Ibert Bittencourt; Geiser Chalco Challco; Jário José Santos; Sheyla Fernandes; Jesana Silva; Naricla Batista; Claudio Hutz; Seiji Isotani (Int. J. Artif. Intell. Educ., 2024)

Does gender-stereotyped gamification increase negative thinking? Results from an experimental study with logic tutoring systems. - Jessica Fernanda Silva Barbosa; Geiser Chalco Challco; Ig Ibert Bittencourt (Interact. Learn. Environ., 2024)

Evaluating Large Language Model Quality in Resource-Constrained Environments: An Educational Stakeholders' Survey on Accuracy, Completeness, and Readability in Brazil. - Aristoteles Barros; Mateus Monteiro; Luiz A. L. Rodrigues; Diego Dermeval; Seiji Isotani; Ig Ibert Bittencourt (AIED (2), 2025)

Designing for Meaningful Access: Towards a Framework for AI in Education Unplugged. - Matheus Arataque Uema; Talita De Paula Cypriano De Souza; Diego Dermeval; Ig Ibert Bittencourt; Seiji Isotani (AIED (4), 2025)

Flow Experience, Performance Expectation and Performance: An LGBTQ+ Diversity Perspective on Gamified Systems. - Breno Felix de Sousa; Geiser Chalco Challco; Marcelo Reis; Jessica Fernanda Silva Barbosa; Francys Rafael Do Nascimento Martins; Seiji Isotani; Ig Ibert Bittencourt Santa Pinto (Revista Brasileira de Informática na Educ., 2025)

Effects of Racial Stereotypes and Sociodemographic Profile on Anxiety, Flow, and Performance during the Use of Digital Educational Technologies. - João Vitor Lourenço Batista Do Nascimento; Jário José Santos; Ig Ibert Bittencourt (Int. J. Artif. Intell. Educ., 2025)

MathAIde: A Qualitative Study of Teachers' Perceptions of an ITS Unplugged for Underserved Regions. - Luiz A. L. Rodrigues; Guilherme Corredato Guerino; Thomaz Edson Veloso da Silva; Geiser Chalco Challco; Lívia Silva Oliveira; Rodolfo Sena da Penha; Rafael Ferreira Mello; Thales Vieira; Marcelo Marinho; Valmir Macario; Ig Ibert Bittencourt; Diego Dermeval; et al. (Int. J. Artif. Intell. Educ., 2025)

How does the Mechanics of Competition and Collaboration Impact on Student's Flow Experience in a Gamified Educational Environment? An Experimental Study in Higher Education (under review). - Alexandre Marinho; Ig Ibert Bittencourt; Diego Dermeval; Jário José Santos; Geiser Chalco Challco; Marcelo Reis (Technol. Knowl. Learn., 2025)

Effects of a collaborative gamification on learning and engagement of children with Autism. - Laíza Ribeiro Silva; Armando Maciel Toda; Geiser Chalco Challco; Nassim Chamel Elias; Ig Ibert Bittencourt; Seiji Isotani (Univers. Access Inf. Soc., 2025)

Exploring Brazilian Teachers' Perceptions and a priori Needs to Design Smart Classrooms. - Andreza Ferreira; Danielli Araújo Lima; Wilk Oliveira; Ig Ibert Bittencourt; Diego Dermeval; Fernando Reimers; Seiji Isotani (Int. J. Artif. Intell. Educ., 2025)

A Mixed User-Centered Approach to Enable Augmented Intelligence in Intelligent Tutoring Systems: The Case of MathAIde app. - Guilherme Corredato Guerino; Luiz A. L. Rodrigues; Luana Bianchini; Mariana Alves; Marcelo Marinho; Thomaz Edson Veloso da Silva; Valmir Macario; Diego Dermeval; Thales Vieira; Ig Ibert Bittencourt; Seiji Isotani (CoRR, 2025)