Comparative social visualization for personalized e-learning. - I-Han Hsiao; Julio Guerra 001; Denis Parra; Fedor Bakalov; Birgitta König-Ries; Peter Brusilovsky (AVI, 2012)

Collaborative e-learning through open social student modeling and Progressive Zoom navigation. - MinEr Liang; Julio Guerra 001; G. Elisabeta Marai; Peter Brusilovsky (CollaborateCom, 2012)

Analyzing the behavior of a teacher network in a Web 2.0 environment. - Eliana Scheihing; Carolina Aros; Daniel Guerra 001 (EDM, 2012)

Development and Validation of a Virtual Worklog as a Collaboration Tool for the Kelluwen Learning Community. - Katherine Inalef; Julio Guerra 001; Eliana Scheihing (TrustCom, 2012)

Building multi-layer social knowledge maps with Google Maps API. - MinEr Liang; Julio Guerra 001; Peter Brusilovsky (UMAP Workshops, 2012)

A hybrid peer recommender system for an online community of teachers. - Cristian Miranda; Julio Guerra 001; Denis Parra; Eliana Scheihing (UMAP Workshops, 2012)

Encouraging Online Student Reading with Social Visualization. - Julio Guerra 001; Denis Parra; Peter Brusilovsky (AIED Workshops, 2013)

Knowledge Maximizer: Concept-Based Adaptive Problem Sequencing for Exam Preparation. - Roya Hosseini; Peter Brusilovsky; Julio Guerra 001 (AIED, 2013)

When One Textbook Is Not Enough: Linking Multiple Textbooks Using Probabilistic Topic Models. - Julio Guerra 001; Sergey A. Sosnovsky; Peter Brusilovsky (EC-TEL, 2013)

KnowledgeZoom for Java: A Concept-Based Exam Study Tool with a Zoomable Open Student Model. - Peter Brusilovsky; Dhruba Baishya; Roya Hosseini; Julio Guerra 001; MinEr Liang (ICALT, 2013)

Analysing Microblogs of Middle and High School Students. - Javiera Born; Eliana Scheihing; Julio Guerra 001; Luis Cárcamo (EC-TEL, 2014)

The Problem Solving Genome: Analyzing Sequential Patterns of Student Work with Parameterized Exercises. - Julio Guerra 001; Shaghayegh Sahebi; Yu-Ru Lin; Peter Brusilovsky (EDM, 2014)

Mastery grids: an open-source social educational progress visualization. - Tomasz Dominik Loboda; Julio Guerra 001; Roya Hosseini; Peter Brusilovsky (ITiCSE, 2014)

Exploring the Effects of Open Social Student Model Beyond Social Comparison. - Julio Guerra 001; Yun Huang 002; Roya Hosseini; Peter Brusilovsky (AIED Workshops, 2015)

Off the Beaten Path: The Impact of Adaptive Content Sequencing on Student Navigation in an Open Social Student Modeling Interface. - Roya Hosseini; I-Han Hsiao; Julio Guerra 001; Peter Brusilovsky (AIED, 2015)

What Should I Do Next? Adaptive Sequencing in the Context of Open Social Student Modeling. - Roya Hosseini; I-Han Hsiao; Julio Guerra 001; Peter Brusilovsky (EC-TEL, 2015)

Graph Analysis of Student Model Networks. - Julio Guerra 001; Yun Huang 002; Roya Hosseini; Peter Brusilovsky (EDM (Workshops), 2015)

Fuzziness in LGBT non-profit ICT use. - Ryan Champagne; Julio Guerra 001; Chun-Hua Tsai; Jocelyn Monahan; Rosta Farzan (ICTD, 2015)

The Value of Social: Comparing Open Student Modeling and Open Social Student Modeling. - Peter Brusilovsky; Sibel Somyürek; Julio Guerra 001; Roya Hosseini; Vladimir Zadorozhny (UMAP, 2015)

E-portfolio for Awareness and Reflection in a Blended Learning Environment. - Morin Roa; Eliana Scheihing; Julio Daniel Guerra 001; Carlos Blaña (ARTEL@EC-TEL, 2016)

A Data-Driven Framework of Modeling Skill Combinations for Deeper Knowledge Tracing. - Yun Huang 002; Julio Guerra 001; Peter Brusilovsky (EDM, 2016)

An Intelligent Interface for Learning Content: Combining an Open Learner Model and Social Comparison to Support Self-Regulated Learning and Engagement. - Julio Guerra 001; Roya Hosseini; Sibel Somyürek; Peter Brusilovsky (IUI, 2016)

Animated Examples as Practice Content in a Java Programming Course. - Roya Hosseini; Teemu Sirkiä; Julio Guerra 001; Peter Brusilovsky; Lauri Malmi (SIGCSE, 2016)

Individual and Peer Comparison Open Learner Model Visualisations to Identify What to Work On Next. - Susan Bull; Peter Brusilovsky; Julio Guerra 001; Rafael Dias Araújo (UMAP (Extended Proceedings), 2016)

Open Social Learner Models for Self-Regulated Learning and Learning Motivation. - Julio Guerra 001 (UMAP, 2016)

Modeling Skill Combination Patterns for Deeper Knowledge Tracing. - Yun Huang 002; Julio Daniel Guerra Hollstein 001; Peter Brusilovsky (UMAP (Extended Proceedings), 2016)

Classifying discourse in a CSCL platform to evaluate correlations with Teacher Participation and Progress. - Eliana Scheihing; Matthieu Vernier; Javiera Born; Julio Guerra 001; Luis Cárcamo (CoRR, 2016)

Open Social Student Modeling for Personalized Learning. - Peter Brusilovsky; Sibel Somyürek; Julio Guerra 001; Roya Hosseini; Vladimir Zadorozhny; Paula J. Durlach (IEEE Trans. Emerg. Top. Comput., 2016)

Concept-Level Knowledge Visualization For Supporting Self-Regulated Learning. - Jordan Barria-Pineda; Julio Guerra 001; Yun Huang 002; Peter Brusilovsky (IUI Companion, 2017)

On the value of using an interactive electronic textbook in an introductory programming course. - Kerttu Pollari-Malmi; Julio Guerra 001; Peter Brusilovsky; Lauri Malmi; Teemu Sirkiä (Koli Calling, 2017)

Fine-Grained Open Learner Models: Complexity Versus Support. - Julio Daniel Guerra Hollstein 001; Jordan Barria-Pineda; Christian D. Schunn; Susan Bull; Peter Brusilovsky (UMAP, 2017)

Learner Modeling for Integration Skills. - Yun Huang 002; Julio Daniel Guerra Hollstein 001; Jordan Barria-Pineda; Peter Brusilovsky (UMAP, 2017)

Which Learning Visualisations to Offer Students? - Susan Bull; Peter Brusilovsky; Julio Guerra 001 (EC-TEL, 2018)

A Fine-Grained Open Learner Model for an Introductory Programming Course. - Jordan Barria-Pineda; Julio Daniel Guerra Hollstein 001; Peter Brusilovsky (UMAP, 2018)

Navigation support in complex open learner models: assessing visual design alternatives. - Julio Guerra 001; Christian D. Schunn; Susan Bull; Jordan Barria-Pineda; Peter Brusilovsky (New Rev. Hypermedia Multim., 2018)

An integrated practice system for learning programming in Python: design and evaluation. - Peter Brusilovsky; Lauri Malmi; Roya Hosseini; Julio Guerra 001; Teemu Sirkiä; Kerttu Pollari-Malmi (Res. Pract. Technol. Enhanc. Learn., 2018)

Understanding the Role of Micro-Blogging in B-Learning Activities: Kelluwen Experiences in Chilean Public Schools. - Eliana Scheihing; Matthieu Vernier; Julio Guerra 001; Javiera Born; Luis Cárcamo (IEEE Trans. Learn. Technol., 2018)

Agile Development of Learning Analytics Tools in a Rigid Environment like a University: Benefits, Challenges and Strategies. - Henrique Chevreux; Valeria Henríquez; Julio Guerra 001; Eliana Scheihing (EC-TEL, 2019)

TrAC: Visualizing Students Academic Trajectories. - Julio Guerra 001; Eliana Scheihing; Valeria Henríquez; Cristian Olivares-Rodríguez; Henrique Chevreux (EC-TEL, 2019)

Exploring Student-Controlled Social Comparison. - Kamil Akhuseyinoglu; Jordan Barria-Pineda; Sergey A. Sosnovsky; Anna-Lena Lamprecht; Julio Guerra 001; Peter Brusilovsky (EC-TEL, 2020)

Modeling Trajectories to Understand the Delayed Completion of Sequential Curricula Undergraduate Programs. - Renato Boegeholz; Julio Guerra 001; Eliana Scheihing (LAUR@EC-TEL, 2020)

For Learners, with Learners: Identifying Indicators for an Academic Advising Dashboard for Students. - Isabel Hilliger; Tinne De Laet; Valeria Henríquez; Julio Guerra 001; Margarita Ortiz-Rojas; Miguel Ángel Zúñiga Prieto; Jorge A. Baier; Mar Pérez-Sanagustín (EC-TEL, 2020)

Adaptation and evaluation of a learning analytics dashboard to improve academic support at three Latin American universities. - Julio Guerra 001; Margarita Ortiz-Rojas; Miguel Ángel Zúñiga Prieto; Eliana Scheihing; Alberto Jiménez; Tom Broos; Tinne De Laet; Katrien Verbert (Br. J. Educ. Technol., 2020)

Supporting knowledge monitoring ability: open learner modeling vs. open social learner modeling. - Sibel Somyürek; Peter Brusilovsky; Julio Guerra 001 (Res. Pract. Technol. Enhanc. Learn., 2020)

Exploring Risk of Delay in Academic Trajectories in Two Undergraduate Programs. - Renato Boegeholz; Julio Guerra 001; Eliana Scheihing (Rev. Iberoam. de Tecnol. del Aprendiz., 2022)

Supporting skill integration in an intelligent tutoring system for code tracing. - Yun Huang 002; Peter Brusilovsky; Julio Guerra 001; Kenneth R. Koedinger; Christian Schunn (J. Comput. Assist. Learn., 2023)

Why Students Cannot Easily Integrate Component Skills: An Investigation of the Composition Effect in Programming. - Yun Huang 002; Christian D. Schunn; Julio Guerra 001; Peter Brusilovsky (ACM Trans. Comput. Educ., 2024)

Adoption of learning analytics in higher education institutions: A systematic literature review. - Lucía Márquez; Valeria Henríquez; Henrique Chevreux; Eliana Scheihing; Julio Guerra 001 (Br. J. Educ. Technol., 2024)

The impact of an academic counselling learning analytics tool: Evidence from 3 years of use. - Valeria Henríquez; Julio Guerra 001; Eliana Scheihing (Br. J. Educ. Technol., 2024)

Assessing the Effect of Performance Prediction on Students Perceptions of Courses. - Sebastián Luarte; Julio Guerra 001; Eliana Scheihing (EC-TEL (2), 2025)