Julio Daniel Guerra Hollstein

Information Sciences Building
135 North Bellefield Ave. RM 2A04
Pittsburgh, PA 15213
E-mail: jdg60@pitt.edu / jguerra@inf.uach.cl
ResarchGate profile

I am a PhD candidate in the Information Science School at University of Pittsburgh under the advising of Peter Brusilovsky. I am proudly part of the PAWS lab. I am also an adjunct instructor and researcher in the Informatic Institute at Universidad Austral de Chile (www.inf.uach.cl). My areas of research involve educational technologies, adaptive educational systems, educational data mining, visualization and learning analytics.

Publicaciones y trabajos / Publications and Work

2018
  • Guerra Hollstein, Julio Daniel (2018) Open Learner Models for Self-Regulated Learning: Exploring the Effects of Social Comparison and Granularity. Doctoral Dissertation, University of Pittsburgh. (Unpublished) pdf English
2017
  • Pollari-Malmi, K., Guerra, J., Brusilovsky, P., Malmi, L., & Sirkiä, T. (2017, November). On the value of using an interactive electronic textbook in an introductory programming course. In Proceedings of the 17th Koli Calling Conference on Computing Education Research (pp. 168-172). ACM.
  • Guerra-Hollstein, J., Barria-Pineda, J., Schunn, C. D., Bull, S., & Brusilovsky, P. (2017, July). Fine-Grained Open Learner Models: Complexity Versus Support. In Proceedings of the 25th Conference on User Modeling, Adaptation and Personalization (pp. 41-49). ACM.
  • Huang, Yun, Julio Guerra-Hollstein, Jordan Barria-Pineda, and Peter Brusilovsky. "Learner Modeling for Integration Skills." In Proceedings of the 25th Conference on User Modeling, Adaptation and Personalization, pp. 85-93. ACM, 2017.
2016
  • Brusilovsky, P., Somyürek, S., Guerra, J., Hosseini, R., Zadorozhny, V., & Durlach, P. J. (2016). Open social student modeling for personalized learning. IEEE Transactions on Emerging Topics in Computing, 4(3), 450-461.
  • Guerra, J., Hosseini, R., Somyurek, S., Brusilovsky, P. (2016). An Intelligent Interface for Learning Content: Combining an Open Learner Model and Social Comparison to Support Self-Regulated Learning and Engagement. Intelligent User Interfaces. In press. pdfEnglish
  • R. Hosseini, T. Sirkiä, J. Guerra, P. Brusilovsky, L. Malmi, "Animated Examples as a Practice Content in Java Programming Course", Proc. of the 47th ACM technical symposium on Computer Science Education (SIGCSE), Memphis, Tennessee, March 2016. pdfEnglish
2015
  • Brusilovsky, P., Somyürek, S., Guerra, J., Hosseini, R., and Zadorozhny, V., Open Social Student Modeling for Personalized Learning. In Press. IEEE Transactions on Learning Technologies. 2015pdfEnglish
  • Hosseini, R., Hsiao, I. H., Guerra, J., & Brusilovsky, P. (2015, June). Off the Beaten Path: The Impact of Adaptive Content Sequencing on Student Navigation in an Open Social Student Modeling Interface. In Artificial Intelligence in Education (pp. 624-628). Springer International Publishing.pdfEnglish
  • Hosseini, R., Hsiao, I. H., Guerra, J., & Brusilovsky, P. (2015). What Should I Do Next? Adaptive Sequencing in the Context of Open Social Student Modeling. In Design for Teaching and Learning in a Networked World (pp. 155-168). Springer International Publishing.pdfEnglish
  • Brusilovsky, P., Somyürek, S., Guerra, J., Hosseini, R., & Zadorozhny, V. (2015). The Value of Social: Comparing Open Student Modeling and Open Social Student Modeling. In User Modeling, Adaptation and Personalization (pp. 44-55). Springer International Publishing.pdfEnglish
  • Guerra, J., Huang, Y., Hosseini, R., & Brusilovsky, P. (2015, June). Graph Analysis of Student Model Networks. In Proceedings of the Second International Workshop on Graph-Based Educational Data Mining (GEDM 2015). CEUR-WS.pdfEnglish
  • Guerra, J., Huang, Y., Hosseini, R., & Brusilovsky, P. Exploring the Effects of Open Social Student Model Beyond Social Comparison. In ISLG 2015 Fourth Workshop on Intelligent Support for Learning in Groups (p. 19).pdfEnglish
2014
  • Born, J., Scheihing, E., Guerra, J., & Cárcamo, L. (2014). Analysing Microblogs of Middle and High School Students. In Open Learning and Teaching in Educational Communities (pp. 15-28). Springer International Publishing.
  • Loboda, T. D., Guerra, J., Hosseini, R., & Brusilovsky, P. (2014). Mastery Grids: An Open Source Social Educational Progress Visualization. In Open Learning and Teaching in Educational Communities (pp. 235-248). Springer International Publishing. Best Paper AwardpdfEnglish
  • Guerra, J., Sahebi, S., Brusilovsky, P., & Lin, Y. R. The Problem Solving Genome: Analyzing Sequential Patterns of Student Work with Parameterized Exercises. Educational Data Mining 2014, London; 07/2014pdfEnglish
2013
  • Scheihing, E., Guerra, J., Cárcamo, L., Flores, P., Troncoso, D., & Aros, C. (2013). La experiencia Kelluwen: Tres años de desarrollo y puesta en práctica de una propuesta de innovación didáctica con uso de TIC. Estudios pedagógicos (Valdivia), 39(ESPECIAL), 121-141.
  • Guerra, J., Sosnovsky, S., & Brusilovsky, P. (2013). When One Textbook Is Not Enough: Linking Multiple Textbooks Using Probabilistic Topic Models. In Scaling up Learning for Sustained Impact (pp. 125-138). Springer Berlin Heidelberg. pdfEnglish
  • Guerra, J., Parra, D., Brusilovsky, P. Encouraging Online Student Reading with Social Visualization. In AIED 2013 Workshops Proceedings (p. 47). pdfEnglish
  • P. Brusilovsky, D. Baishya, R. Hosseini, J. Guerra, M. Liang, KnowledgeZoom for Java: A Concept-Based Exam Study Tool with a Zoomable Open Student Model, Proc. of the IEEE 13th Int. Conference on Advanced Learning Technologies (ICALT), Beijing, China, July 2013. (Full paper) Best Paper Award pdfEnglish
2012
  • Liang, M., Guerra, J., Marai, G. E., & Brusilovsky, P. (2012, October). Collaborative e-learning through open social student modeling and Progressive Zoom navigation. In Collaborative Computing: Networking, Applications and Worksharing (CollaborateCom), 2012 8th International Conference on (pp. 252-261). IEEE.
    pdfEnglish
  • Liang, M., Guerra, J., & Brusilovsky, P. (2012). Building Multi-layer Social Knowledge Maps with Google Maps API. In Proceedings of Workshop on SASWeb.
    pdfEnglish
  • Hsiao, I. H., Guerra, J., Parra, D., Bakalov, F., König-Ries, B., & Brusilovsky, P. (2012, May). Comparative social visualization for personalized e-learning. In Proceedings of the International Working Conference on Advanced Visual Interfaces (pp. 303-307). ACM.
    pdfEnglish
  • Cristian Miranda, Julio Guerra, Denis Parra y Eliana Scheihing. A Hybrid Peer Recommender System for an Online Community of Teachers. Workshop in Recommender System Research, UMAP 2012, Montreal – Canadá, Julio 2012.
    pdfEnglish
  • Eliana Scheihing, Carolina Aros y Daniel Guerra. Analyzing the Behavior of a Teacher Network in a Web 2.0 environment. 5th International Conference on Educational Data Mining, EDM 2012, Chania- Grecia, Junio 2012.
    pdfEnglish
  • Katherine Inalef, Daniel Guerra y Eliana Scheihing. Development and Validation ofaVirtual Worklog as a Collaboration Tool for Kelluwen Learning Community. Third International Workshop on Interactive Environments and Emergent Technologiesfor eLearning, IEETel-2012, Liverpool-Inglaterra, Junio 2012.
    pdfEnglish
2011
  • Marcelo Arancibia, Luis Cárcamo, Daniel Guerra y Vanessa Salas. Sistematizaciónde dos experiencias didácticas con uso de web 2.0 en el aula escolar. I congreso Internacional de Metodologías de aprendizaje colaborativo a través de las TIC, CIMAC 2011, Salamanca, Junio 2011.
    pdfEnglish
2010
  • Desarrollo de una Bitácora Virtual para el Registro de Interacciones en Clases Presenciales (Development of a Virtual Worklog for Registering Face to Face Classroom Interaction), Congreso Iberoamericano de Informática Educativa IE2010, Santiago, Chile, 2010.
    pdfEspañol | pdfEnglish
2009
  • Kelluwen, estrategias para desarrollar competencias socio comunicativas usando servicios de la Web 2.0 (Kelluwen, strategies to develop communicational skills using Web 2.0 tools), Virtual Educa 2009, Buenos Aires, Argentina, 2009.
    pdfEspañol | pdfEnglish
  • Revisión Sistemática de modelos de representación del conocimiento para el dominio del diseño curricular basado en competencias (Systematic review of knowledge representation models for the domain of competency-based curriculum design), Virtual Educa 2009, Buenos Aires, Argentina, 2009.
    pdfEspañol
2007
  • Propuesta de una Matriz Curricular Basada en Competencias para la Carrera de Ingeniería Civil en Informática de la Universidad Austral de Chile (Proposal of a competency-based curriculum matrix for the Civil Engineering in Computer Science degree at Universidad Austral de Chile), CLEI 2007, San José, Costa Rica, 2007.
    pdfEspañol | pdfEnglish
2005
  • An Adaptive Web Platform based on a Multiagent System and Ontologies, International Workshop in Educative Software (TISE 2005), Santiago de Chile, 2005.
    pdfEnglish
2004
  • SPORAS: Un Curso Adaptativo en Web basado en un Sistema Multiagente y Ontologías (SPORAS: an adaptive web based course using a multiagent systems and ontologies), Iberoamerican Simposium in Education, Cibernetics and Informatics (SIECI 2004), Orlando, Florida, 2004

Proyectos de Investigación / Research Projects

  • 2011 - now: investigación y desarrollo en PAWS lab, School of Information Sciences, University of Pittsburgh / research and development at PAWS lab.
  • 2010 - 2011: Investigador Proyecto Fondef (D08I1074) Kelluwen : investigación, desarrollo y validación de Diseños Didácticos Colaborativos apoyados en servicios de la Web 2.0. Estrategias para el desarrollo de competencias sociocomunicativas en estudiantes de colegios vulnerables en la Zona Sur de Chile (Kelluwen: Research, development and validation of Collaborative Instructional Design supported by Web 2.0 tools. Strategies to develop communicational skills in students of schools under poverty in the southern Chile). www.kelluwen.cl
  • 2009 - 2011: Investigador Responsable proyecto DID (S-2009-44) KUMELU: Herramienta de inteligencia computacional de apoyo en la construcción y gestión de propuestas curriculares basadas en competencias.

Docencia / Teaching

  • Introduction to Object Oriented Programming (INFSCI 0017) at IS, Pitt
  • Programación Orientada a Objetos (INFO033) / Object Oriented Programming
  • Taller de Ingeniería II -para informática- (INFO025)
  • Taller de Ingeniería III -para informática- (INFO035)

Experiencia Profesional / Professional Experience

  • (2003, 2004) Participo como analista y desarrollador del Sistema Virtual de Educación, SIVEDUC III en la Universidad Austral de Chile para el proyecto MECESUP AUS-0110.
  • (2004) Participo como desarrollador de un sistema de base de datos con interfaz web sobre Proyectos de Investigación de la Universidades participantes en el portal Universia.
  • (2004 - 2006) Participo como analista y desarrollador de proyectos de asistencia técnica y desarrollo de aplicaciones en el Grupo Fidelio de la Facultad de Ciencias de la Ingeniería de la Universidad Austral de Chile.
  • (2003 - 2011) Realizo docencia como Profesor Adjunto del Instituto de Informática de la Universidad Austral de Chile.
  • (2007 - 2011) Participo como director y jefe de proyecto en Perceptum Ltda. (www.perceptum.cl), empresa que fundo el 2007 con dos colegas y amigos.
  • (2009 - 2010) Participo en el Comité Gestor de Industrias Creativas de la Región de Los Ríos (www.industriascreativasdelosrios.cl) y como coordinador general de la Primera Feria de la Industria Creativa de la Región de Los Ríos - FINC2010 (www.finc.cl).

Educación / Education

  • Actualmente cursando un doctorado en Ciencias de la Información, Universidad de Pittsburgh / Currently in the PhD program at the School Information Sciences, University of Pittsburgh
  • Ingeniero Civil en Informática (2004), Universidad Austral de Chile / Civil Engineer in Information Systems (2004), Universidad Austral de Chile
  • Licenciado en Ciencias de la Ingeniería (2002), Universidad Austral de Chile / Bachelor in Engineering Science, Major in Computer Science (2002), Universidad Austral de Chile

Otros Intereses / Other

Guitarrista aficionado. Alguno de los trabajos que he compuesto se pueden descargar más abajo. / Amateur guitarist. Some of my songs can be downloaded below.

Impresionauta
mp3 Miradas de Ciudad
mp3 Ficciones de Mi Ser

Paramo
mp3 Berlín
mp3 Bonsái
mp3 Cuello Negro
mp3 En Coma en Roma
mp3 Hemiverso

Foto Julio Guerra