Vincent, an Autonomous Pedagogical Agent for On-the-Job Training. - Ana Paiva 001; Isabel Machado 001 (Intelligent Tutoring Systems, 1998)

A Cognitive Approach to Affective User Modeling. - Carlos Martinho; Isabel Machado 001; Ana Paiva 001 (IWAI, 1999)

Supporting Collaborative Activities in Computer Integrated Classrooms-the NIMIS Approach. - Heinz Ulrich Hoppe; Andreas Lingnau; Isabel Machado 001; Ana Paiva 001; Rui Prada; Frank Tewissen (CRIWG, 2000)

Bringing drama into a virtual stage. - Isabel Machado 001; Rui Prada; Ana Paiva 001 (CVE, 2000)

TEATRIX: Virtual Environment for Story Creation. - Rui Prada; Isabel Machado 001; Ana Paiva 001 (Intelligent Tutoring Systems, 2000)

Is the wolf angry or ... just hungry? - Isabel Machado 001; Ana Paiva 001; Rui Prada (Agents, 2001)

Heroes, villians, magicians, ...: dramatis personae in a virtual story creation environment. - Ana Paiva 001; Isabel Machado 001; Rui Prada (IUI, 2001)

Real Characters in Virtual Stories. - Isabel Machado 001; Ana Paiva 001; Paul Brna (International Conference on Virtual Storytelling, 2001)

The child behind the character. - Ana Paiva 001; Isabel Machado 001; Rui Prada (IEEE Trans. Syst. Man Cybern. Part A, 2001)

"You Cannot Use My Broom! I'm the Witch, You're the Prince": Collaboration in a Virtual Dramatic Game. - Rui Prada; Ana Paiva 001; Isabel Machado 001; Catarina Gouveia (Intelligent Tutoring Systems, 2002)

Machiavellian Characters and the Edutainment Paradox. - Daniel Sobral; Isabel Machado 001; Ana Paiva 001 (IVA, 2003)

Managing Authorship in Plot Conduction. - Daniel Sobral; Isabel Machado 001; Ana Paiva 001 (International Conference on Virtual Storytelling, 2003)

1, 2, 3 .... Action! Directing Real Actors and Virtual Characters. - Isabel Machado 001; Paul Brna; Ana Paiva 001 (TIDSE, 2004)

Playing with Agents-Agents in Social and Dramatic Games. - Ana Paiva 001; Rui Prada; Isabel Machado 001; Carlos Martinho; Marco Vala; André Silva 001 (Life-like characters, 2004)

Tell Me a Story. - Isabel Machado 001; Paul Brna; Ana Paiva 001 (Virtual Real., 2005)

How Can We Be Serious in a Game? - João Catarino; Tiago Moreiras; Pedro Faria Lopes; Joaquim Esmerado; Isabel Machado Alexandre 001 (AAAI Fall Symposium: Intelligent Narrative Technologies, 2007)

Narrative Learning Environments. - Mark O. Riedl; Isabel Machado Alexandre 001; Brian Magerko; Ana Paiva 001; H. Chad Lane (AIED, 2007)

Characters with Character. - Isabel Machado Alexandre 001 (IBERAMIA, 2008)

Maths4Kids: telling stories with Maths. - Isabel Machado Alexandre 001; David Jardim; Pedro Faria Lopes (FDG, 2010)

Hand in Hand - Maths and Storytelling Together in an Educational Game. - Isabel Machado Alexandre 001; David Jardim; Pedro Faria Lopes (ICAART (2), 2012)

From 7 to 77 - I Teach You and You Teach Me! - Tiago Amaral; Isabel Machado Alexandre 001 (ICAART (2), 2013)

The Child in Charge: The Case of Child-participatory Design of an Environmental Sustainability Serious Game. - Sandrina Vieira; Isabel Machado Alexandre 001; Elsa Cardoso (IDC, 2022)

Evaluating the Impact of Gamification on the Online Shop of a Game Server: A Comparison between the Portuguese and North American Contexts. - Diogo Santos; Elsa Cardoso; Isabel Machado Alexandre 001 (Informatics, 2023)

Roadmap for the Development of EnLang4All: A Video Game for Learning English. - Isabel Machado Alexandre 001; Pedro Faria Lopes; Cynthia Borges (Multimodal Technol. Interact., 2023)

VR Trainee: a Virtual Reality Training Tool for the Energy Industry. - Alberto Carvalho; Waldir Moreira; Filipe Sousa; Isabel Machado Alexandre 001 (VR Workshops, 2025)

Enterprise Architecture Assessment and User Satisfaction Model Estimate in Statistical Organizations of African Countries. - Arlindo Nhabomba; Bráulio Alturas; Isabel Machado Alexandre 001 (Electron. J. Inf. Syst. Dev. Ctries., 2025)