@article{0e84e07865874c1cbfa729860674c357,
  author = {Francisco Gutiérrez and Karsten Seipp and Xavier Ochoa and Katrien Verbert},
  title = {Towards a Visual Guide for Communicating Uncertainty in Visual Analytics},
  journal = {Journal of Visual Languages and Computing},
  publisher = {Academic Press Inc.},
  year = {2019},
  volume = {50},
  pages = {1-18},
  note = {In Press}
}

@article{d60c85dff8964f97a2088bb2b8b8334d,
  author = {Xavier Ochoa},
  title = {Learning analytics in Latin America present an opportunity not to be missed},
  journal = {Nature Human Behaviour},
  publisher = {Nature Publishing Group},
  year = {2019},
  volume = {3},
  number = {1},
  pages = {6-7}
}

@inproceedings{Fiallos:2019:SGI:3303772.3303834,
  author = {Fiallos, Angel and Ochoa, Xavier},
  title = {Semi-Automatic Generation of Intelligent Curricula to Facilitate Learning Analytics},
  booktitle = {Proceedings of the 9th International Conference on Learning Analytics & Knowledge},
  publisher = {ACM},
  year = {2019},
  pages = {46--50},
  url = {http://doi.acm.org/10.1145/3303772.3303834},
  doi = {https://doi.org/10.1145/3303772.3303834}
}

@inproceedings{Macarini:2019:CIL:3303772.3303819,
  author = {Macarini, Luiz Antonio and Cechinel, Cristian and Santos, Henrique Lemos dos and Ochoa, Xavier and Rodés, Virg\inia and Alonso, Guillermo Ettlin and Casas, Alén Pérez and D\iaz, Patricia},
  title = {Challenges on Implementing Learning Analytics over Countrywide K-12 Data},
  booktitle = {Proceedings of the 9th International Conference on Learning Analytics & Knowledge},
  publisher = {ACM},
  year = {2019},
  pages = {441--445},
  url = {http://doi.acm.org/10.1145/3303772.3303819},
  doi = {https://doi.org/10.1145/3303772.3303819}
}

@inbook{Oviatt:2018:MLA:3107990.3108003,
  author = {Oviatt, Sharon and Grafsgaard, Joseph and Chen, Lei and Ochoa, Xavier},
  title = {The Handbook of Multimodal-Multisensor Interfaces},
  publisher = {Association for Computing Machinery and Morgan &38; Claypool},
  year = {2019},
  pages = {331--374},
  url = {https://doi.org/10.1145/3107990.3108003},
  doi = {https://doi.org/10.1145/3107990.3108003}
}

@article{04ecf10779d24c038a75219117c6d7b3,
  author = {Francisco Gutiérrez and Karsten Seipp and Xavier Ochoa and Katherine Chiluiza and De Laet, Tinne and Katrien Verbert},
  title = {LADA: A learning analytics dashboard for academic advising},
  journal = {Computers in Human Behavior},
  publisher = {Elsevier Limited},
  year = {2018},
  note = {In Press}
}

@article{121e6e92deb94a92858f720499781cc4,
  author = {Xavier Ochoa and Agathe Merceron},
  title = {Quantitative and Qualitative Analysis of the Learning Analytics and Knowledge Conference 2018},
  journal = {Journal of Learning Analytics},
  year = {2018},
  volume = {5},
  number = {3},
  pages = {154–166}
}

@inproceedings{4c77455fae7a4800847b98d6d5c30220,
  author = {Virginia Rodes and Cristian Cechinel and Dos Santos, Henrique Lemos and Xavier Ochoa and Alonso, Guillermo Ettlin},
  title = {First steps towards the development of an academic system to follow the trajectories of primary and secondary uruguayan students},
  journal = {CEUR Workshop Proceedings},
  year = {2018},
  volume = {2231}
}

@inproceedings{7813bc6eb3fc48968d000b523ac0f90f,
  author = {Roberto Martinez-Maldonado and Vanessa Echeverria and Prieto, Luis P. and Rodriguez-Triana, Maria Jesus and Daniel Spikol and Mutlu Curukova and Manolis Mavrikis and Xavier Ochoa and Marcelo Worsley},
  title = {2nd Crossmmla: Multimodal learning analytics across physical and digital spaces},
  journal = {CEUR Workshop Proceedings},
  year = {2018},
  volume = {2163}
}

@article{dc5eeed1fd534b778cc5efb9af05bd4c,
  author = {Wise, Alyssa Friend and Simon Knight and Xavier Ochoa},
  title = {When Are Learning Analytics Ready and What Are They Ready For},
  journal = {Journal of Learning Analytics},
  year = {2018},
  volume = {5},
  number = {3},
  pages = {1--4}
}

@inproceedings{Jurado20181,
  author = {Jurado, D. and Maya, R. and Dominguez, F. and Ochoa, X.},
  title = {Automated capture of paper-based evaluations to provide early feedback to students},
  journal = {2017 IEEE 2nd Ecuador Technical Chapters Meeting, ETCM 2017},
  year = {2018},
  volume = {2017-January},
  pages = {1-6},
  note = {cited By 0},
  url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85045726401&doi=10.1109%2fETCM.2017.8247489&partnerID=40&md5=30c6d4e059a1696710a0a01090a2d939},
  doi = {https://doi.org/10.1109/ETCM.2017.8247489}
}

@inproceedings{lucas2018virtual,
  author = {Lucas, Pedro and Vaca, David and Dom\inguez, Federico and Ochoa, Xavier},
  title = {Virtual Circuits: An Augmented Reality Circuit Simulator for Engineering Students},
  booktitle = {2018 IEEE 18th International Conference on Advanced Learning Technologies (ICALT)},
  year = {2018},
  pages = {380--384}
}

@inproceedings{maldonado2018lala,
  author = {Maldonado-Mahauad, Jorge and Hilliger, Isabel and Pérez-Sanagustín, Mar and Millecamp, Martijn and Verbert, Katrien and Ochoa, Xavier},
  title = {The LALA Project: Building Capacity to Use Learning Analytics to Improve Higher Education in Latin America},
  booktitle = {Companion Proceedings of the 8th International Learning Analytics & Knowledge Conference.},
  year = {2018},
  pages = {630--637}
}

@inproceedings{Ochoa:2018:RSA:3170358.3170406,
  author = {Ochoa, Xavier and Dom\inguez, Federico and Guamán, Bruno and Maya, Ricardo and Falcones, Gabriel and Castells, Jaime},
  title = {The RAP System: Automatic Feedback of Oral Presentation Skills Using Multimodal Analysis and Low-cost Sensors},
  booktitle = {Proceedings of the 8th International Conference on Learning Analytics and Knowledge},
  publisher = {ACM},
  year = {2018},
  pages = {360--364},
  url = {http://doi.acm.org/10.1145/3170358.3170406},
  doi = {https://doi.org/10.1145/3170358.3170406}
}

@inproceedings{Ochoa20181,
  author = {Ochoa, X. and Chiluiza, K. and Granda, R. and Falcones, G. and Castells, J. and Guamán, B.},
  title = {Multimodal transcript of face-to-face group-work activity around interactive tabletops},
  journal = {CEUR Workshop Proceedings},
  year = {2018},
  volume = {2163},
  pages = {1-6},
  note = {cited By 0},
  url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85051924821&partnerID=40&md5=94453e9b450b08cafa2e3cfdd353b2b3}
}

@inproceedings{Shum2018iii,
  author = {Shum, S.B. and Ferguson, R. and Merceron, A. and Ochoa, X.},
  title = {LAK 2018 program chairs’ welcome},
  journal = {ACM International Conference Proceeding Series},
  year = {2018},
  pages = {iii-iv},
  note = {cited By 0},
  url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85046058726&partnerID=40&md5=47e3e9fd9219140260c7b81582d5a786}
}

@inproceedings{Torres20181,
  author = {Torres, J. and Ochoa, A. and Jimenez, A. and Garcia, S. and Pelaez, E. and Ochoa, X.},
  title = {Characterizing discussions in the Spanish Wikipedia},
  journal = {2017 IEEE 2nd Ecuador Technical Chapters Meeting, ETCM 2017},
  year = {2018},
  volume = {2017-January},
  pages = {1-6},
  note = {cited By 0},
  url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85045744307&doi=10.1109%2fETCM.2017.8247544&partnerID=40&md5=e7420d06785674175d5404fc3542492b},
  doi = {https://doi.org/10.1109/ETCM.2017.8247544}
}

@inproceedings{Domínguez2017216,
  author = {Domínguez, F. and Ochoa, X.},
  title = {Smart objects in education: An early survey to assess opportunities and challenges},
  journal = {2017 4th International Conference on eDemocracy and eGovernment, ICEDEG 2017},
  year = {2017},
  pages = {216-220},
  note = {cited By 1},
  url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85026841064&doi=10.1109%2fICEDEG.2017.7962537&partnerID=40&md5=110150bec792094799086914ca1b5511},
  doi = {https://doi.org/10.1109/ICEDEG.2017.7962537}
}

@inproceedings{DosSantos20171,
  author = {Dos Santos, H.L. and Cechinel, C. and Nunes, J.B.C. and Ochoa, X.},
  title = {An initial review of learning analytics in Latin america},
  journal = {12th Latin American Conference on Learning Objects and Technologies, LACLO 2017},
  year = {2017},
  volume = {2017-January},
  pages = {1-9},
  note = {cited By 0},
  url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85043463633&doi=10.1109%2fLACLO.2017.8120913&partnerID=40&md5=79854e4bed71cf8e52d64720c7a0e225},
  doi = {https://doi.org/10.1109/LACLO.2017.8120913}
}

@inproceedings{Fiallos20171,
  author = {Fiallos, A. and Ochoa, X.},
  title = {Discrete event simulation for student flow in academic study periods},
  journal = {12th Latin American Conference on Learning Objects and Technologies, LACLO 2017},
  year = {2017},
  volume = {2017-January},
  pages = {1-7},
  note = {cited By 0},
  url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85043479926&doi=10.1109%2fLACLO.2017.8120908&partnerID=40&md5=28da3753fcc44fc4ea4f282d1f44d655},
  doi = {https://doi.org/10.1109/LACLO.2017.8120908}
}

@inproceedings{Fiallos2017118,
  author = {Fiallos, A. and Jimenes, K. and Vaca, C. and Ochoa, X.},
  title = {Scientific communities detection and analysis in the bibliographic database: SCOPUS},
  journal = {2017 4th International Conference on eDemocracy and eGovernment, ICEDEG 2017},
  year = {2017},
  pages = {118-124},
  note = {cited By 0},
  url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85026808191&doi=10.1109%2fICEDEG.2017.7962521&partnerID=40&md5=96e5a2a69b611aa5735eceb9894fa658},
  doi = {https://doi.org/10.1109/ICEDEG.2017.7962521}
}

@inproceedings{Molenaar2017iii,
  author = {Molenaar, I. and Ochoa, X. and Dawson, S.},
  title = {LAK 2017 program chairs' welcome},
  journal = {ACM International Conference Proceeding Series},
  year = {2017},
  pages = {iii},
  note = {cited By 0},
  url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85019512528&partnerID=40&md5=6db5ae1ff11efd3fd4567d4df18b2862}
}

@inbook{Ochoa2017,
  author = {Ochoa, Xavier and Ternier, Stefaan},
  title = {Technology Enhanced Learning},
  publisher = {Springer},
  year = {2017},
  pages = {145-156},
  note = {978-3-319-02600-8},
  url = {https://link.springer.com/chapter/10.1007/978-3-319-02600-8_14}
}

@inproceedings{Ochoa2017110,
  author = {Ochoa, X. and Peláez, E.},
  title = {Affordable and secure electronic voting for university elections: The SAVE case study},
  journal = {2017 4th International Conference on eDemocracy and eGovernment, ICEDEG 2017},
  year = {2017},
  pages = {110-117},
  note = {cited By 0},
  url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85026829649&doi=10.1109%2fICEDEG.2017.7962520&partnerID=40&md5=e1081f728a957bf7692fbf8b19f37a99},
  doi = {https://doi.org/10.1109/ICEDEG.2017.7962520}
}

@inbook{Ochoa2017a,
  author = {Ochoa, Xavier},
  title = {Handbook of Learning Analytics},
  publisher = {Society for Learning Analytics Research (SoLAR)},
  year = {2017},
  pages = {129-141},
  note = {978-0-9952408-0-3},
  url = {https://solaresearch.org/hla-17/hla17-chapter11/},
  doi = {https://doi.org/10.18608/hla17}
}

@inproceedings{Prieto20171,
  author = {Prieto, L.P. and Martínez-Maldonado, R. and Spikol, D. and Hernández-Leo, D. and Rodríguez-Triana, M.J. and Ochoa, X.},
  title = {Editorial: Joint Proceedings of the Sixth Multimodal Learning Analytics (MMLA) Workshop and the Second Cross-LAK Workshop},
  journal = {CEUR Workshop Proceedings},
  year = {2017},
  volume = {1828},
  pages = {1-3},
  note = {cited By 0},
  url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85019839776&partnerID=40&md5=aeae542d0488c11e7476c7dba43308be}
}

@inproceedings{Spikol:2017:CFM:3027385.3029437,
  author = {Spikol, Daniel and Prieto, Luis P. and Rodr\iguez-Triana, M. J. and Worsley, Marcelo and Ochoa, Xavier and Cukurova, Mutlu and Vogel, Bahtijar and Ruffaldi, Emanuele and Ringtved, Ulla Lunde},
  title = {Current and Future Multimodal Learning Analytics Data Challenges},
  booktitle = {Proceedings of the Seventh International Learning Analytics & Knowledge Conference},
  publisher = {ACM},
  year = {2017},
  pages = {518--519},
  url = {http://doi.acm.org/10.1145/3027385.3029437},
  doi = {https://doi.org/10.1145/3027385.3029437}
}

@inproceedings{Torres201763,
  author = {Torres, J. and Jimenez, A. and García, S. and Peláez, E. and Ochoa, X.},
  title = {Measuring contribution in collaborative writing: An adaptive NMF topic modelling approach},
  journal = {2017 4th International Conference on eDemocracy and eGovernment, ICEDEG 2017},
  year = {2017},
  pages = {63-70},
  note = {cited By 0},
  url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85026836526&doi=10.1109%2fICEDEG.2017.7962514&partnerID=40&md5=e43c1e05243a0f1c601fad8f8d20ed05},
  doi = {https://doi.org/10.1109/ICEDEG.2017.7962514}
}

@article{7452577,
  author = {A. Casali and C. Cechinel and X. Ochoa},
  title = {Special Issue on Strategies to Improve the Usability of Learning Object Repositories},
  journal = {IEEE Revista Iberoamericana de Tecnologias del Aprendizaje},
  year = {2016},
  volume = {11},
  number = {2},
  pages = {71-72},
  url = {http://ieeexplore.ieee.org/document/7452577/},
  doi = {https://doi.org/10.1109/RITA.2016.2553999}
}

@inproceedings{7751800,
  author = {X. Ochoa},
  title = {Adaptive multilevel clustering model for the prediction of academic risk},
  booktitle = {2016 XI Latin American Conference on Learning Objects and Technology (LACLO)},
  year = {2016},
  pages = {1-8},
  doi = {https://doi.org/10.1109/LACLO.2016.7751800}
}

@article{Brusilovsky20161,
  author = {Brusilovsky, P. and Sharples, M. and Alves, G.R. and Barnes, T. and Chen, S.Y. and Chu, C.H.C. and Drachsler, H. and Isotani, S. and Lindsay, E. and Ochoa, X. and Pechenizkiy, M. and Rodrigo, M.M.T. and Romero, C. and Sosnovsky, S. and Ternier, S. and Verbert, K.},
  title = {Editorial: A Message from the Editorial Team and an Introduction to the January-March 2016 Issue},
  journal = {IEEE Transactions on Learning Technologies},
  year = {2016},
  volume = {9},
  number = {1},
  pages = {1-4},
  note = {cited By 0},
  url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84964344332&partnerID=40&md5=5b0c91cfe2685cd3396071edcb782eda},
  doi = {https://doi.org/10.1109/TLT.2016.2537399}
}

@inproceedings{greer2016learning,
  author = {Greer, Jim and Molinaro, Marco and Ochoa, Xavier and McKay, Timothy},
  title = {Learning analytics for curriculum and program quality improvement (PCLA 2016)},
  booktitle = {Proceedings of the Sixth International Conference on Learning Analytics & Knowledge},
  year = {2016},
  pages = {494--495}
}

@inproceedings{mci/seipp2016,
  author = {Seipp, Karsten AND Ochoa, Xavier AND Gutiérrez, Francisco AND Verbert, Katrien},
  title = {A Research Agenda for Managing Uncertainty in Visual Analytics},
  booktitle = {Mensch und Computer 2016 – Workshopband},
  publisher = {Gesellschaft für Informatik e.V.},
  year = {2016},
  url = {http://dl.mensch-und-computer.de/handle/123456789/5125}
}

@inproceedings{Ochoa:PCLA2016,
  author = {Xavier Ochoa},
  title = {Simple Metrics for Curriculum Analytics},
  booktitle = {Proceedings of the 1st Learning Analytics for Curriculum and Program Quality Improvement Workshop (PCLA)},
  year = {2016},
  volume = {1590},
  pages = {20--26},
  url = {http://ceur-ws.org/Vol-1590/#paper-04}
}

@inproceedings{ochoa2016multimodal,
  author = {Ochoa, Xavier and Worsley, Marcelo and Weibel, Nadir and Oviatt, Sharon},
  title = {Multimodal learning analytics data challenges},
  booktitle = {Proceedings of the Sixth International Conference on Learning Analytics & Knowledge},
  year = {2016},
  pages = {498--499}
}

@article{ochoajla2016,
  author = {Xavier Ochoa and Marcelo Worsley},
  title = {Augmenting Learning Analytics with Multimodal Sensory Data},
  journal = {Journal of Learning Analytics},
  year = {2016},
  volume = {3},
  number = {2},
  pages = {213-219},
  url = {http://learning-analytics.info/journals/index.php/JLA/article/view/5081/5595}
}

@inproceedings{sosnovsky2016keynotes,
  author = {Sosnovsky, Sergey and Santos, Olga C and Ochoa, Xavier},
  title = {Keynotes: Scaling up adaptive educational systems},
  booktitle = {Learning Objects and Technology (LACLO), Latin American Conference on},
  year = {2016},
  pages = {xiv--xvi}
}

@inproceedings{dominguez2015multimodal,
  author = {Dom\inguez, Federico and Chiluiza, Katherine and Echeverria, Vanessa and Ochoa, Xavier},
  title = {Multimodal Selfies: Designing a Multimodal Recording Device for Students in Traditional Classrooms},
  booktitle = {Proceedings of the 2015 ACM on International Conference on Multimodal Interaction},
  year = {2015},
  pages = {567--574}
}

@inproceedings{duval2015visla,
  author = {Duval, Erik and Verbert, Katrien and Klerkx, Joris and Wolpers, Martin and Pardo, Abelardo and Govaerts, Sten and Gillet, Denis and Ochoa, Xavier and Parra, Denis},
  title = {VISLA: visual aspects of learning analytics},
  booktitle = {Proceedings of the Fifth International Conference on Learning Analytics And Knowledge},
  year = {2015},
  pages = {394--395},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Duval-LAK2015.pdf}
}

@inproceedings{Ochoa2015,
  author = {Ochoa, Xavier},
  title = {Visualizing Uncertainty in the Prediction of Academic Risk},
  booktitle = {VISLA15: VISual Approaches to Learning Analytics Workshop},
  year = {2015},
  pages = {4-10},
  url = {https://visla15.files.wordpress.com/2015/03/visla15_submission_6-3.pdf}
}

@inproceedings{podetti2015creacion,
  author = {Podetti, Manuel and Rodés, Virginia and Ochoa, Xavier and Silveira, Ismar Frango and Casas, Alén Pérez},
  title = {Creación Colaborativa de Recursos Educativos Abiertos: Experiencias de la Iniciativa LATIn},
  booktitle = {Anais dos Workshops do Congresso Brasileiro de Informática na Educação},
  year = {2015},
  volume = {4},
  number = {1},
  pages = {951}
}

@inproceedings{Vásquez2015197,
  author = {Vásquez, A. and Peláez, E. and Ochoa, X.},
  title = {Predictor basado en prototipos difusos y clasificación no-supervisada},
  booktitle = {XI Jornadas Iberoamericanas de Ingenieria de Software e Ingenieria del Conocimiento, JIISIC 2015},
  journal = {XI Jornadas Iberoamericanas de Ingenieria de Software e Ingenieria del Conocimiento, JIISIC 2015},
  year = {2015},
  pages = {197-206},
  note = {cited By 0},
  url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84935102854&partnerID=40&md5=81a6968b66d8fa4a265be21f81628c3c}
}

@inproceedings{worsley20152015,
  author = {Worsley, Marcelo and Chiluiza, Katherine and Grafsgaard, Joseph F and Ochoa, Xavier},
  title = {2015 Multimodal Learning and Analytics Grand Challenge},
  booktitle = {Proceedings of the 2015 ACM on International Conference on Multimodal Interaction},
  year = {2015},
  pages = {525--529}
}

@article{2014,
  author = {Henrique L. dos Santos and Gladys Carrillo and Cristian Cechinel and Xavier Ochoa},
  title = {Towards the use of Semantic Learning Object Repositories: Evaluating Queries Performance in two Different RDF Implementations},
  journal = {Bulletin of the IEEE Technical Committee on Learning Technology},
  year = {2014},
  volume = {16},
  number = {4},
  pages = {6-9},
  url = {http://www.ieeetclt.org/issues/december2014/2-Santos.pdf}
}

@inproceedings{amiel2015creating,
  author = {Amiel, Tel and Soares, Tiago and Ochoa, Xavier},
  title = {Creating a map for OER initiatives in Latin America},
  booktitle = {Proceedings of the IX Latin American Conference in Learning Objects and Technologies (LACLO) 2014},
  year = {2014},
  volume = {5},
  number = {1},
  url = {Amiel-LACLO2014.pdf http://ariadne.cti.espol.edu.ec/xavier/papers/Amiel-LACLO2014.pdf}
}

@inproceedings{Cechinel2014,
  author = {Cristian Cechinel and Xavier Ochoa},
  title = {A brief overview of quality inside learning object repositories.},
  booktitle = {Proceedings of the XV International Conference on Human Computer Interaction},
  year = {2014},
  pages = {473-480},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Cechinel-Interaccion2014.pdf}
}

@inproceedings{Echeverria:2014:PSE:2666633.2666641,
  author = {Echeverr\ia, Vanessa and Avendaño, Allan and Chiluiza, Katherine and Vásquez, An\ibal and Ochoa, Xavier},
  title = {Presentation Skills Estimation Based on Video and Kinect Data Analysis},
  booktitle = {Proceedings of the 2014 ACM Workshop on Multimodal Learning Analytics Workshop and Grand Challenge},
  publisher = {ACM},
  year = {2014},
  pages = {53--60},
  url = {http://doi.acm.org/10.1145/2666633.2666641},
  doi = {https://doi.org/10.1145/2666633.2666641}
}

@article{GonzaloMendez2015,
  author = {Gonzalo Mendez and Xavier Ochoa and Katherine Chiluiza and Bram de Wever},
  title = {Curricular Design Analysis: A Data-Driven Perspective},
  journal = {Journal of Learning Analytics},
  year = {2014},
  volume = {1},
  number = {3},
  pages = {84-119},
  url = {http://epress.lib.uts.edu.au/journals/index.php/JLA/article/view/4079}
}

@inproceedings{Luzardo:2014:EPS:2666633.2666639,
  author = {Luzardo, Gonzalo and Guamán, Bruno and Chiluiza, Katherine and Castells, Jaime and Ochoa, Xavier},
  title = {Estimation of Presentations Skills Based on Slides and Audio Features},
  booktitle = {Proceedings of the 2014 ACM Workshop on Multimodal Learning Analytics Workshop and Grand Challenge},
  publisher = {ACM},
  year = {2014},
  pages = {37--44},
  url = {http://doi.acm.org/10.1145/2666633.2666639},
  doi = {https://doi.org/10.1145/2666633.2666639}
}

@inproceedings{Mendez:2014:TDC:2567574.2567591,
  author = {Méndez, Gonzalo and Ochoa, Xavier and Chiluiza, Katherine},
  title = {Techniques for Data-driven Curriculum Analysis},
  booktitle = {Proceedings of the Fourth International Conference on Learning Analytics And Knowledge},
  publisher = {ACM},
  year = {2014},
  pages = {148--157},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Mendez-LAK2014.pdf},
  doi = {https://doi.org/10.1145/2567574.2567591}
}

@inproceedings{Ochoa:2014:MTM:2663204.2668318,
  author = {Ochoa, Xavier and Worsley, Marcelo and Chiluiza, Katherine and Luz, Saturnino},
  title = {MLA'14: Third Multimodal Learning Analytics Workshop and Grand Challenges},
  booktitle = {Proceedings of the 16th International Conference on Multimodal Interaction},
  publisher = {ACM},
  year = {2014},
  pages = {531--532},
  url = {http://doi.acm.org/10.1145/2663204.2668318},
  doi = {https://doi.org/10.1145/2663204.2668318}
}

@article{Ochoa2014,
  author = {Xavier Ochoa and Dan Suther and Katrien Verbert and Erik Duval},
  title = {Analysis and Reflections on the Third Learning Analytics and Knowledge Conference (LAK 2013)},
  journal = {Journal of Learning Analytics},
  year = {2014},
  volume = {1},
  number = {2},
  pages = {5-22},
  url = {http://epress.lib.uts.edu.au/journals/index.php/JLA/article/viewFile/4080/4155}
}

@inproceedings{Ochoa2014a,
  author = {Xavier Ochoa and Gladys Carrillo and Cristian Cechinel.},
  title = {Use of a Semantic Learning Repository to Facilitate the Creation of Modern e-Learning Systems.},
  booktitle = {Proceedings of the XV International Conference on Human Computer Interaction},
  year = {2014},
  pages = {535-542},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-Interaccion2014.pdf}
}

@inproceedings{Silveira2014,
  author = {Ismar Frango Silveira and Pollyana Mustaro and Virginia Rodés and Nizam Omar and Xavier Ochoa.},
  title = {Modelos de Diseño Instruccional con soporte a Libros Abiertos Colaborativos para Educación Abierta.},
  booktitle = {Proceedings of the XV International Conference on Human Computer Interaction},
  year = {2014},
  pages = {543-548}
}

@inproceedings{Duval2013,
  author = {Duval, E. and Ochoa, X.},
  title = {LAK 2013 chairs' welcome},
  journal = {ACM International Conference Proceeding Series},
  year = {2013},
  pages = {iii},
  note = {cited By (since 1996)0},
  url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84876466094&partnerID=40&md5=2842d5e898b4cf665c1ed1d1c0c3dbf4}
}

@inproceedings{Ochoa2013,
  author = {Ochoa, Xavier and Casali, Ana and Deco, Claudia and Gerling, Valeria and Frango, Ismar and Fager, Jose and Carrillo, Gladys and Parra, Gonzalo and Muñoz-Arteaga, Jaime and Maturana, Jorge and Araya, Erick and Motz, Regina},
  title = {Analysis of Existing Technological Platforms for the Collaborative Production of Open Textbooks},
  booktitle = {Proceedings of World Conference on Educational Multimedia, Hypermedia and Telecommunications},
  publisher = {AACE},
  year = {2013},
  pages = {1106-1115},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-EDMEDIA2013.pdf}
}

@inbook{Ochoa2013a,
  author = {Ochoa, Xavier},
  title = {Handbook of Metadata, Semantics And Ontologies},
  publisher = {World Scientific},
  year = {2013},
  pages = {63-88},
  url = {http://www.worldscientific.com/worldscibooks/10.1142/7077}
}

@inproceedings{ochoa2013expertise,
  author = {Ochoa, Xavier and Chiluiza, Katherine and Méndez, Gonzalo and Luzardo, Gonzalo and Guamán, Bruno and Castells, James},
  title = {Expertise estimation based on simple multimodal features},
  booktitle = {Proceedings of the 15th ACM on International conference on multimodal interaction},
  year = {2013},
  pages = {583--590},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-ICMI2013.pdf}
}

@article{Palavitsinis20131,
  author = {Palavitsinis, N. and Klerkx, J. and Ochoa, X.},
  title = {Editorial},
  journal = {International Journal of Metadata, Semantics and Ontologies},
  year = {2013},
  volume = {8},
  number = {1},
  pages = {1-2},
  note = {cited By (since 1996)0},
  url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84878722486&partnerID=40&md5=1bff52ca676c81dc4ac474735553336a}
}

@inproceedings{Pincay2013,
  author = {Pincay, Jhonny and Ochoa, Xavier},
  title = {Automatic Classification of Answers to Discussion Forums According to the Cognitive Domain of Bloom’s Taxonomy using Text Mining and a Bayesian Classifier},
  booktitle = {Proceedings of World Conference on Educational Multimedia, Hypermedia and Telecommunications},
  publisher = {AACE},
  year = {2013},
  pages = {626-634},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Pincay-EDMEDIA2013.pdf}
}

@inproceedings{Sicilia:2013:LOA:2460296.2460359,
  author = {Sicilia, Miguel-Angel and Ochoa, Xavier and Stoitsis, Giannis and Klerkx, Joris},
  title = {Learning Object Analytics for Collections, Repositories &38; Federations},
  booktitle = {Proceedings of the Third International Conference on Learning Analytics and Knowledge},
  publisher = {ACM},
  year = {2013},
  pages = {285--286},
  url = {http://doi.acm.org/10.1145/2460296.2460359},
  doi = {https://doi.org/10.1145/2460296.2460359}
}

@article{Silveira2013,
  author = {Ismar Frango Silveira and Xavier Ochoa and Alex Cuadros-Vargas and Alén Pérez Casas and Ana Casali and Andre Ortega and Antonio Silva Sprock and Carlos Henrique Alves and Cesar Alberto Collazos and Claudia Deco and Ernesto Cuadros-Vargas and Everton Knihs and Gonzalo Parra and Jaime Muñoz-Arteaga and Jéssica Gomes dos Santos and Julien Broisin and Nizam Omar and Regina Motz and Virginia Rodés and Yosly Hernández C. Bieliukas},
  title = {A Digital Ecosystem for the Collaborative Production of Open Textbooks: The LATIn Methodology},
  journal = {Journal of Information Technology Education: Research},
  year = {2013},
  volume = {12},
  pages = {225-249},
  url = {http://www.jite.org/documents/Vol12/JITEv12ResearchP225-246SilveiraFT89.pdf}
}

@inproceedings{,
  author = {Xavier Ochoa and Gladys Carrillo},
  title = {Recomendación de Objetos de Aprendizaje basado en el Perfil del Usuario y la Información de Atención Contextualizada},
  booktitle = {Memorias de la 7ma. Conferencia Latinoamericana de Tecnologías y Objetos de Aprendizaje (LACLO 2013)},
  year = {2013}
}

@article{10.1109/TLT.2012.11,
  author = {Katrien Verbert and Nikos Manouselis and Xavier Ochoa and Martin Wolpers and Hendrik Drachsler and Ivana Bosnic and Erik Duval},
  title = {Context-Aware Recommender Systems for Learning: A Survey and Future Challenges},
  journal = {IEEE Transactions on Learning Technologies},
  publisher = {IEEE Computer Society},
  year = {2012},
  volume = {99},
  number = {PrePrints},
  pages = {318 - 335},
  doi = {https://doi.org/10.1109/TLT.2012.11}
}

@inproceedings{casali2012collaborative,
  author = {Casali, A. and Silva Sprock, A. and Alves, C.H. and Deco, C. and Frango Silveira, I. and Muñoz-Arteaga, J. and Gomes dos Santos, J. and Broisin, J. and Morales, R. and C Hernández Bieliuskas, Y. and others},
  title = {Collaborative Methodologies for Writing Open Educational Textbooks: a State-of art Review},
  booktitle = {Anais dos Workshops do Congresso Brasileiro de Informática na Educação},
  year = {2012},
  volume = {1},
  number = {1},
  url = {http://ceie-sbc.tempsite.ws/pub/index.php/wcbie/article/view/1896/1659}
}

@inproceedings{Cechinel2012,
  author = {Cristian Cechinel and Sandro da Silva Camargo and Xavier Ochoa and Miguel-Angel Sicilia and Salvador Sanchez-Alonso},
  title = {Populating Learning Object Repositories with Hidden Internal Quality Information},
  booktitle = {Recommender Systems in Technology Enhanced Learning. RecSysTEL-2012},
  year = {2012},
  pages = {11-22},
  url = {http://ceur-ws.org/Vol-896/paper1.pdf}
}

@inproceedings{Ochoa2012,
  author = {Xavier Ochoa and Andre Ortega and Gladys Carrillo and Carlos Villavicencio},
  title = {Large-Scale storage and retrieval of educational metadata using an RDF Store},
  booktitle = {Workshop on Open Learning Technologies Transfer},
  year = {2012},
  pages = {60-68},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-IGUAL2012.pdf}
}

@inproceedings{rodes2012percepciones,
  author = {Rodés, V. and Pérez Casas, A. and Ochoa, X. and Frango da Silveira, I.},
  title = {Percepciones, actitudes y prácticas respecto a los libros de texto, digitales y en formatos abiertos por parte de estudiantes de universidades de América Latina},
  booktitle = {Anais dos Workshops do Congresso Brasileiro de Informática na Educação},
  year = {2012},
  volume = {1},
  number = {1},
  url = {http://br-ie.org/pub/index.php/wcbie/article/view/1893/1656}
}

@article{Verbert2012,
  author = {Katrien Verbert and Xavier Ochoa and Abelardo Pardo and Erik Duval},
  title = {Semi-automatic Assembly of Learning Resources},
  journal = {Computers and Education},
  year = {2012},
  volume = {59},
  number = {4},
  pages = {1257–1272},
  doi = {https://doi.org/10.1016/j.compedu.2012.06.005}
}

@inproceedings{Ochoa:2011:LML:2090116.2090117,
  author = {Ochoa, Xavier},
  title = {Learnometrics: metrics for learning objects},
  booktitle = {Proceedings of the 1st International Conference on Learning Analytics and Knowledge},
  publisher = {ACM},
  year = {2011},
  pages = {1--8},
  url = {http://doi.acm.org/10.1145/2090116.2090117},
  doi = {https://doi.org/10.1145/2090116.2090117}
}

@article{Ochoa2011,
  author = {Xavier Ochoa},
  title = {Modeling the Macro-Behavior of Learning Object Repositories},
  journal = {Interdisciplinary Journal of E-Learning and Learning Objects},
  year = {2011},
  volume = {7},
  pages = {25-35},
  url = {http://www.ijello.org/Volume7/IJELLOv7p025-035Ochoa739.pdf}
}

@article{Santos2011,
  author = {Jose Luis Santos and Xavier Ochoa and Gonzalo Parra and Erik Duval},
  title = {La Experiencia de ARIADNE: Creando una Red de Reutilización de Objetos de Aprendizaje a través de Estándares y Especificaciones},
  journal = {IEEE-RITA: Latin-American Learning Technologies Journal},
  year = {2011},
  volume = {6},
  number = {3},
  pages = {112-117},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Santos-RITA.pdf}
}

@inproceedings{XavierOchoa2011,
  author = {Ochoa, X and Klerkx, J. and Vandeputte, B. and Duval, E.},
  title = {On the use of Learning Object Metadata: the GLOBE experience},
  booktitle = {Proceedings of the European Conference on Technology Enhanced Learning (ECTEL) 2011},
  year = {2011},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-ECTEL2011.pdf}
}

@inproceedings{,
  author = {Ochoa, X and Frango, I. and Silva, A.},
  title = {Collaborative Open Textbooks for Latin America – the LATIn Project},
  booktitle = {Information Society (i-Society), 2011 International Conference on},
  year = {2011},
  pages = {398 - 403},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-iSociety2011.pdf},
  doi = {http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5978479}
}

@article{,
  author = {Ismar Frango Silveira and Xavier Ochoa and Antonio Silva Sprock and Pollyana Notargiacomo Mustaro and Yosly C. Hernandez Bieluskas},
  title = {Towards New Computational Architectures for Mass-Collaborative Open Educational Resources},
  journal = {International Journal of Digital Information and Wireless Communications (IJDIWC)},
  year = {2011},
  volume = {1},
  number = {2},
  pages = {526-539},
  url = {http://www.sdiwc.net/noahjohn/web-admin/upload-pdf/00000131.pdf}
}

@article{Ochoa2010,
  author = {Ochoa, Xavier},
  title = {Connexions: a Social and Successful Anomaly among Learning Object Repositories},
  journal = {Journal of Emerging Technologies in Web Intelligence},
  year = {2010},
  volume = {2},
  number = {1},
  pages = {11-22},
  url = {http://academypublisher.com/ojs/index.php/jetwi/article/view/02011122}
}

@inproceedings{Ochoa2010a,
  author = {Ochoa, Xavier},
  title = {Modeling the Macro-Behavior of Learning Object Repositories},
  booktitle = {Proceedings of the Fifth Latin American Conference on Learning Objects},
  year = {2010},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-LACLO2010.pdf}
}

@article{10.1109/MIC.2009.90,
  author = {Stefaan Ternier and Katrien Verbert and Gonzalo Parra and Bram Vandeputte and Joris Klerkx and Erik Duval and Vicente Ordóñez and Xavier Ochoa},
  title = {The Ariadne Infrastructure for Managing and Storing Metadata},
  journal = {IEEE Internet Computing},
  publisher = {IEEE Computer Society},
  year = {2009},
  volume = {13},
  number = {4},
  pages = {18-25},
  doi = {https://doi.org/10.1109/MIC.2009.90}
}

@inproceedings{Duval2009,
  author = {Duval, Erik and Verbert, Katrien and Ochoa, Xavier and Hodgins, Wayne},
  title = {The Snowflake Number.},
  booktitle = {Proceedings of the WebSci'09: Society On-Line,},
  year = {2009},
  url = {http://www2.computer.org/portal/web/csdl/doi/10.1109/MIC.2009.90}
}

@inproceedings{Morales2009,
  author = {Rafael Morales and Xavier Ochoa and Victor Sanchez and Vicente Ordonez},
  title = {LA FLOR - Repositorio Latinoamericano de Objetos de Aprendizaje},
  booktitle = {Recursos Digitales para el Aprendizaje},
  year = {2009},
  pages = {308-317}
}

@inproceedings{Ochoa2009,
  author = {Xavier Ochoa},
  title = {Learnometrica: Métricas para Objetos de Aprendizaje},
  booktitle = {Recursos Digitales para el Aprendizaje - CcITA 2009},
  year = {2009},
  pages = {34-37}
}

@inproceedings{Ochoa2009a,
  author = {Xavier Ochoa and Gonzalo Mendez and Erik Duval},
  title = {Who we are: Analysis of 10 years of the ED-Media Conference},
  booktitle = {Proceedings of World Conference on Educational Multimedia, Hypermedia and Telecommunications ED-Media 2009},
  year = {2009},
  pages = {189-200},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-EDMedia2009.pdf}
}

@article{Ochoa2009b,
  author = {Ochoa, Xavier and Duval, Erik},
  title = {Quantitative Analysis of Learning Object Repositories},
  journal = {IEEE Transactions on Learning Technologies},
  year = {2009},
  volume = {2},
  number = {3},
  pages = {226-238},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-TLT2009b.pdf}
}

@article{Ochoa2009c,
  author = {Xavier Ochoa and Erik Duval},
  title = {Automatic Evaluation of Metadata Quality in Digital Libraries},
  journal = {International Journal of Digital Libraries},
  year = {2009},
  volume = {10},
  number = {2},
  pages = {67-91},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-IJDL2009.pdf},
  doi = {https://doi.org/10.1007/s00799-009-0054-4}
}

@article{RiinaVourikari2009,
  author = {Vourikari, Riina and Ochoa, Xavier},
  title = {Exploratory Analysis of the Main Characteristics of Tags and Tagging of Educational Resources in a Multi-lingual Context},
  journal = {Journal of Digital Information},
  year = {2009},
  volume = {10},
  number = {2},
  pages = {10},
  url = {http://journals.tdl.org/jodi/article/viewArticle/447}
}

@article{10.1109/TLT.2008.1,
  author = {Xavier Ochoa and Erik Duval},
  title = {Relevance Ranking Metrics for Learning Objects},
  journal = {IEEE Transactions on Learning Technologies},
  publisher = {IEEE Computer Society},
  year = {2008},
  volume = {1},
  number = {1},
  pages = {34-48},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-TLT2009a.pdf},
  doi = {https://doi.org/10.1109/TLT.2008.1}
}

@article{bayot_online_2008,
  author = {Bonny Bayot and Stanislaus Sonnenholzner and Xavier Ochoa and Johanna Guerrerro and Teresa Vera and Jorge Calderon and Ignacio de Blas and Maria del Pilar Cornejo-Grunauer and Sam Stern and Frans Ollevier},
  title = {An online operational alert system for the early detection of shrimp epidemics at the regional level based on real-time production},
  journal = {Aquaculture},
  year = {2008},
  volume = {277},
  number = {3-4},
  pages = {164-173},
  url = {http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T4D-4S0PK4X-1&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=311f1ee6c0b257f20b9b68c5d9292e02}
}

@inproceedings{Motz2008,
  author = {Regina Motz and Alfredo Viola and José Palazzo de Oliveira and José Valdení de Lima and Xavier Ochoa and Claudia Deco and Ana Casali and Cristina Bender and Miguel Angel Pérez Alvarez},
  title = {Project JARDIN: Just an Assistant for instructional DesIgN},
  booktitle = {Proceedings of the Third Latin American Conference on Learning Objects},
  year = {2008},
  pages = {223-227}
}

@inbook{ochoa_measuring_2008,
  author = {Xavier Ochoa and Erik Duval},
  title = {Times of Convergence. Technologies Across Learning Contexts},
  journal = {Times of Convergence. Technologies Across Learning Contexts},
  publisher = {Springer},
  year = {2008},
  pages = {322--325},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-ECTEL2008.pdf}
}

@inproceedings{ochoa_quantitative_2008,
  author = {Xavier Ochoa and Erik Duval},
  title = {Quantitative Analysis of User-Generated Content on the Web},
  booktitle = {Proceedings of the First International Workshop on Understanding Web Evolution (WebEvolve2008)},
  year = {2008},
  pages = {19-26},
  note = {ISBN: 978 085432885 7},
  url = {http://journal.webscience.org/34/}
}

@inproceedings{ochoa_quantitative_2008a,
  author = {Xavier Ochoa and Erik Duval},
  title = {Quantitative Analysis of Learning Object Repositories},
  booktitle = {Proceedings of World Conference on Educational Multimedia, Hypermedia and Telecommunications ED-Media 2008},
  year = {2008},
  pages = {6031-6040},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-EDMedia2008.pdf}
}

@phdthesis{Ochoa2008,
  author = {Ochoa, X},
  title = {Learnometrics: Metrics for Learning Objects},
  school = {Katholieke Universiteit Leuven},
  year = {2008},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/ThesisFinal2.pdf}
}

@article{ordonez_diseno_2008,
  author = {Vicente Ordonez and Xavier Ochoa},
  title = {Diseno de la Arquitectura de Software para un Sistema de Recuperacion de Informacion de Audio},
  journal = {Investigacion y Desarrollo},
  year = {2008},
  volume = {15},
  pages = {42-47}
}

@article{verbert_alocom_2008,
  author = {Verbert, Katrien and Ochoa, Xavier and Duval, Erik},
  title = {The ALOCOM Framework: Towards Scalable Content Reuse},
  journal = {Journal of Digital Information},
  year = {2008},
  volume = {9},
  number = {26},
  pages = {1-24},
  url = {http://journals.tdl.org/jodi/article/view/225/199}
}

@inproceedings{Duval2007,
  author = {Duval, Erik and Ternier, Stefaan and Wolpers, Martin and Najjar, Jehad and Vandeputte, Bram and Verbert, Katrien and Klerkx, Joris and Meire, Michael and Ochoa, Xavier},
  title = {Open metadata for open educational resources in an open infrastructure},
  booktitle = {Proceedings of the OpenLearn2007 conference: researching open content in education},
  publisher = {Open University},
  year = {2007},
  pages = {36-38},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Duval-OpenLearn2007.pdf}
}

@inproceedings{meire_samgi:_2007,
  author = {Michael Meire and Xavier Ochoa and Erik Duval},
  title = {SAmgI: Automatic Metadata Generation v2.0},
  booktitle = {Proceedings of the World Conference on Educational Multimedia, Hypermedia and Telecommunications ED-Media 2007},
  journal = {World Conference on Educational Multimedia, Hypermedia and Telecommunications 2007},
  publisher = {AACE},
  year = {2007},
  pages = {1195-1204},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Meire-EDMedia2007.pdf}
}

@inproceedings{munoz_integracion_2007,
  author = {Jaime Munoz and Xavier Ochoa and Edgar Calvillo and Gonzalo Parra},
  title = {Integracion de REDOUAA a la Federacion Latinoamericana de Repositorios de Objetos de Aprendizaje},
  booktitle = {Proceedings of the Second Latin American Conference on Learning Objects},
  year = {2007},
  pages = {91-96},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Munoz-LACLO2007.pdf}
}

@inbook{ochoa_relevance_2007,
  author = {Ochoa, Xavier and Duval, Erik},
  title = {Relevance Ranking Metrics for Learning Objects},
  journal = {Creating New Learning Experiences on a Global Scale},
  year = {2007},
  volume = {4753},
  pages = {262-276},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-ECTEL2007.pdf}
}

@inproceedings{ochoa_relevance_2007a,
  author = {Xavier Ochoa and Erik Duval},
  title = {Relevance Ranking of Learning Objects based on Usage and Contextual Information},
  booktitle = {Proceedings of the Second Latin American Conference on Learning Objects},
  journal = {Proceedings of the Second Latin American Conference on Learning Objects},
  year = {2007},
  pages = {149-156},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-LACLO2007.pdf}
}

@inproceedings{vuorikari_analysis_2007,
  author = {Riina Vuorikari and Xavier Ochoa and Erik Duval},
  title = {Analysis of User Behavior on Multilingual Tagging of Learning Objects},
  booktitle = {Proceedings of the First Workshop on Social Information Retrival in Technology Enhanced Learning (SIRTEL 2007)},
  year = {2007},
  url = {http://infolab-dev.aua.gr/sirtel2007/papers/Vuorikari_et_al.pdf}
}

@inbook{ochoa_context-aware_2006,
  author = {Xavier Ochoa and Stefaan Ternier and Gonzalo Parra and Erik Duval},
  title = {A Context-Aware Service Oriented Framework for Finding, Recommending and Inserting Learning Objects},
  journal = {Innovative Approaches for Learning and Knowledge Sharing},
  publisher = {Springer},
  year = {2006},
  volume = {4227},
  pages = {697-702},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-ECTEL2006.pdf}
}

@inproceedings{ochoa_quality_2006,
  author = {Xavier Ochoa and Erik Duval},
  title = {Quality Metrics for Learning Object Metadata},
  journal = {World Conference on Educational Multimedia, Hypermedia and Telecommunications 2006},
  publisher = {AACE},
  year = {2006},
  pages = {1004-1011},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-EDMedia2006.pdf}
}

@inbook{ochoa_towards_2006,
  author = {Xavier Ochoa and Erik Duval},
  title = {Towards Automatic Evaluation of Learning Object Metadata Quality},
  journal = {Advances in Conceptual Modeling - Theory and Practice},
  publisher = {Springer},
  year = {2006},
  volume = {4231},
  pages = {372-381},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-ER2006.pdf}
}

@inproceedings{ochoa_use_2006,
  author = {Xavier Ochoa and Erik Duval},
  title = {Use of contextualized attention metadata for ranking and recommending learning objects},
  booktitle = {CIKM 2006},
  journal = {CAMA '06: Proceedings of the 1st international workshop on Contextualized attention metadata: collecting, managing and exploiting of rich usage information},
  publisher = {ACM Press},
  year = {2006},
  pages = {9-16 },
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-CIKM2006.pdf}
}

@inproceedings{ochoa_learning_2005,
  author = {Xavier Ochoa},
  title = {Learning object repositories are useful, but are they usable?},
  booktitle = {IADIS AC},
  journal = {AC 2005, Proceedings of the IADIS International Conference},
  publisher = {IADIS},
  year = {2005},
  pages = {138-144},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-IADIS2005.pdf}
}

@inproceedings{Ochoa2005,
  author = {Xavier Ochoa and Kris Cardinaels and Michael Meire and Erik Duval},
  title = {Frameworks for the Automatic Indexation of Learning Management Systems Content into Learning Object Repositories},
  journal = {World Conference on Educational Multimedia, Hypermedia and Telecommunications 2005},
  publisher = {AACE},
  year = {2005},
  pages = {1407-1414},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-EDMedia2005.pdf}
}

@article{ochoa_sistema_2004,
  author = {Xavier Ochoa},
  title = {Sistema Experto para la Interpretacion Automatizada de Reflectogramas Utilizando una Estrategia de Generar, Probar y Depurar de Doble Nivel},
  journal = {Tecnologica},
  year = {2004},
  volume = {17},
  pages = {87-100},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-ESPOLCiencia2004.pdf}
}

@article{sanchez_pantalla_2004,
  author = {Jorge Sanchez and Xavier Ochoa},
  title = {Pantalla de Visualizacion en la ESPOL},
  journal = {Tecnologica},
  year = {2004},
  volume = {17},
  number = {1},
  pages = {72-76}
}

@article{sonnenholzner_ecuador_2004,
  author = {S. Sonnenholzner and B. Bayot and I. Apolo and T. Vera and X. Ochoa and Z. Cisneros and L. Van Biesen and M.P. Cornejo and J. Calderon},
  title = {Ecuador Develops GIS-ASSISTED Alert System For Shrimp Farming},
  journal = {Global Aquaculture Advocate},
  year = {2004},
  volume = {7},
  number = {3}
}

@inproceedings{vermeiren_subscriber_2003,
  author = {Vermeiren, T. and Bostoen, T. and Boets, P. and Ochoa, X. and Louage, F.},
  title = {Subscriber Loop Classification by means of Time Domain Reflectometry},
  booktitle = {Proceedings of IEEE International Conference on Communications, 2003. ICC '03.},
  year = {2003},
  volume = {3},
  pages = {1998- 2002},
  url = {http://ieeexplore.ieee.org/Xplore/login.jsp?url=/iel5/8564/27115/01203949.pdf?arnumber=1203949}
}

@mastersthesis{ochoa_expert_2002,
  author = {Xavier Ochoa},
  title = {Expert System for Automated Time Domain Reflectometry Interpretation using a Double Level Generate-Test-Debug approach},
  school = {Vrije Universiteit Brussels (VUB)},
  year = {2002}
}

@article{ochoa_analisis_2000,
  author = {Xavier Ochoa and Enrique Peláez},
  title = {Analisis y Diseno de una Solucion Tecnica para el Uso de Multimedia y Videoconferencia para el Desarrollo de la Educacion a Distancia en la ESPOL},
  journal = {Tecnológica},
  year = {2000},
  volume = {14},
  number = {1},
  pages = {21-30},
  url = {http://ariadne.cti.espol.edu.ec/xavier/papers/Ochoa-RTE2000.pdf}
}