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Rios, A., Pérez de la Cruz, J. L., & Conejo, R. (1998). SIETTE: Intelligent evaluation system using tests for TeleEducation. In Proc. of Workshop“ WWW-Based Tutoring” at 4th International Conference on Intelligent Tutoring Systems, San Antonio, TX.

Rios, A., Millán, E., Trella, M., Pérez-de-la-Cruz, J. L., & Conejo, R. (1999). Internet based evaluation system. Artificial Intelligence in Education: Open Learning Environments. IOS Press, Amsterdam, 387-394.

Conejo, R., Millán, E., Pérez-de-la-Cruz, J. L., & Trella, M. (2000, June). An empirical approach to on-line learning in SIETTE. In International Conference on Intelligent Tutoring Systems (pp. 605-614). Springer, Berlin, Heidelberg.

Benitez, R., Trella, M., & Conejo, R. (2000). Neural networks applied to item response theory. In Proceeding of the ICSC Symposia on Neural Computation (NC’2000) May (pp. 23-26).

Conejo,R. (2001) SIETTE: Sistema Inteligente de Evaluación mediante Test para TeleEducación, en: XII cursos de verano de la UNED Plasencia. Spain.

Arroyo, I., Conejo, R., Guzman, E., & Woolf, B. P. (2001, May). An adaptive web-based component for cognitive ability estimation. In Proc. of AI-ED (pp. 456-466).

Guzmán,E., & Conejo,R. (2001) El sistema de test adaptativos SIETTE, en: VII Congreso de Metodología de las Ciencias Sociales y de la Salud, Madrid (pp. 45-46).

Guzmán, E., & Conejo, R. (2002, June). Simultaneous evaluation of multiple topics in SIETTE. In International Conference on Intelligent Tutoring Systems (pp. 739-748). Springer, Berlin, Heidelberg.

Guzmán,E., Conejo,R. & Dominguez,F.J. (2002) Una herramienta de autor autónoma para un sistema de tests adaptativos a traves de Internet, III Congreso Internacional de Interacción Persona-Ordenador, Madrid (pp. 90-96).

Conejo,R. & Guzmán,E. (2002) SIETTE: Un sistema Inteligente de Evaluación mediante Test basado en la Teoría de Respuesta al Item, Metodologías de las Ciencias del Comportamiento. (pp. 133-137).

Guzmán, E., & Conejo, R. (2002, November). An adaptive assessment tool integrable into Internet-based learning systems. In International Conference on ICT in Education (pp. 139-143).

Carmona,C., Guzmán,E., Bueno, D., & Conejo,R. (2002) An adaptive web-based Tutorial of Agrarian Economy, in: P.Brusilovsky, N.Henze, E.Millan (eds.) Workshop on Adaptive Systems for web based education (AH2002), Málaga, Spain (2002) 57-63.

Guzmán,E., Riveros, J.A., & Conejo,R. A library for items construction in an adaptive evaluation system, in: V. Shute & E.A. Graf (eds.) Evidence Centered Design (ECD) approach to creating diagnostic e-assesments, San Sebastian (pp. 78-86).

Guzmán,E., Conejo,R., Hontangas,P., Olea, J. & Ponsoda, V. (2002) A Comparative Study of IRT and Classical Item Parameter Estimates Web-Based and Conventional Test Administration in: International Test Commision's Conference on Computer-Based Testing and the Internet, Winchester England.

Camacho, J.A. (2002) Implementacion de una biblioteca de test psicotecnicos para Internet, [Proyecto Fin de Carrera, Universidad de Málaga. Advisor: Conejo, R.].

Conejo, R., Guzman, E., & Perez-de-la-Cruz, J. L. (2003). Towards a computational theory of learning in an adaptive testing environment. In Proceedings of AIED (Vol. 3, pp. 398-400).

Guzmán,E. & Conejo,R. (2003) A web-based environment of Computerized Adaptive Test, in: CAL'03 21st Century Learning, Belfast, (pp. 73-73).

Conejo, R., Guzmán, E., Millán, E., Trella, M., Pérez-De-La-Cruz, J. L., & Ríos, A. (2004). SIETTE: A web-based tool for adaptive testing. International Journal of Artificial Intelligence in Education, 14(1), 29-61.

Guzmán, E., & Conejo, R. (2004, August). A brief introduction to the new architecture of SIETTE. In International Conference on Adaptive Hypermedia and Adaptive Web-Based Systems (pp. 405-408). Springer, Berlin, Heidelberg.

Guzmán,E., & Conejo,R. (2004) A model for student Knowledge Diagnosis through adaptive testing, in: Lester,J., Vicari,R.M., & Paraguaçu F. (Eds.), Intelligent Tutoring Systems. 7th International Conference, ITS 2004. Lecture Notes in Computer Science 3220, (pp. 12-21) Springer-Verlag, Berlin, Heidelberg.

Guzmán, E., & Conejo, R. (2004). A library of templates for exercise construction in an adaptive assessment system. Technology, Instruction, Cognition and Learning, 2, 21-60.

Guzmán, E., & Conejo, R. (2004). Un modelo de evaluación cognitiva basado en Tests Adaptativos Informatizados para el diagnóstico en Sistemas Tutores Inteligentes, en: Muñoz J. & Joya G.(eds.) I Simposio de la Red Andaluza de Tecnologías de Sistemas Inteligentes (ISTANET), Málaga.

Conejo, R., Guzmán, E., Pérez-de-la-Cruz, J. L., & Millán, E. (2005, May). Introducing adaptive assistance in adaptive testing. In AIED (pp. 777-779).

Pérez-de-la-Cruz,J.L., Conejo, R., & Guzmán, E. (2005) Qualitative and Quantitative Student Models, in: Chen-Kit Looi, Gord McCalla, Bert Bredeweg, Joost Breuker (Eds.), Artificial Intelligence in Education: Supporting Learning through Intelligent and Socially Informed Technology. (pp. 531-538). IOS Press, Amsterdam.

Guzmán, E., & Conejo, R. (2005). Self-assessment in a feasible, adaptive web-based testing system. IEEE transactions on Education, 48(4), 688-695.

Guzmán, E., & Conejo, R. (2005). Towards Efficient Item Calibration in adaptive testing, in: L. Ardisono, P. Brna, A. Mitrovic (Eds.), User Modelling 2005. 10th International Conference UM2005. Lecture Notes in Artificial Intelligence 3538, Springer-Verlag, Berlin/Heidelberg, 402-406.

Guzmán, E., Conejo, R., & García-Hervás, E. (2005). An authoring environment for adaptive testing. Journal of Educational Technology & Society, 8(3), 66-76.

Conejo,R., Guzmán,E. Pérez-de-la-Cruz, J.L., & Millán,E. (2005). Evaluacion empirica de una propuesta para la administracion inteligente de pistas en tests adaptativos, en: M. Lama, E.Sanchez (eds.) Actas del Taller Técnicas de la Inteligencia Artificial Aplicadas a la Educación (pp. 59-68).

Guzmán,E. (2005) Un modelo de evaluación cognitiva basado en Tests Adaptativos para el diagnóstico en Sistemas Tutores Inteligentes, [Tesis Doctoral. Universidad de Málaga, Advisor: Conejo,R.]

Guzmán, E., Machuca, E., Conejo, R., & Libbrecht, P. (2005). Leactivemath integrated adaptive assessment tool. Deliverable D16 (2005). The LeActiveMath Consortium.

Conejo, R., Guzmán, E., Perez-de-la Cruz, J.L., & Millán, E. (2006, June). An empirical study about calibration of adaptive hints in web-based adaptive testing environments. In V. Wade, H.Ashman, B.Smyth (Eds.), International Conference on Adaptive Hypermedia and Adaptive Web-Based Systems (pp. 71-80). Lecture Notes in Computer Science 4018, Springer, Berlin, Heidelberg.

Barros,B. Conejo,R. & Guzmán,E. (2007) Measuring the effect of collaboration in an assessment environment, In Luckin, R.M. (ed.) Artificial intelligence in education: Building technology rich learning contexts that work, IOS Press, Netherlands, 375-382.

Guzmán, E., Conejo, R., & Pérez-de-la-Cruz, J. L. (2007). Adaptive testing for hierarchical student models. User Modeling and User-Adapted Interaction, 17(1), 119-157.

E. Guzmán, R.Conejo, J.L. Pérez-de-la-Cruz, Improving Student Performance using Self-Assessment Tests, IEEE Intelligent Systems, 22, (2007) 46-52.

	R.Conejo, E. Guzmán, J.L. Pérez-de-la-Cruz, E.Millán, Estudio de un mecanismo para la administracion adaptativa de ayudas en la realizacion de tests, Revista de la Asociacion Española para la Inteligencia Artificial, 33, (2007) 13-24.
	J. Gálvez, E. Guzmán, R.Conejo, A SOA-Based Framework for Constructing Problem Solving Environments, en: P.Diaz, Kinshuk, I.Aedo,E.Mora (eds.) ICALT2008 - 8th IEEE International Conference on Advanced Learning Technologies, Los Alamitos, Califcornia (2008) 126-127.

R.Conejo, B. Barros, E. Guzmán, J. Gálvez, Formative Evaluation of the SIETTE collaborative testing environment, en: Tai-Wai Chan, et al. (eds.) Proceedings of the 16th International Conference on Computer in Education, ICCE08, Taipei, Taiwan (2008) 297-301.

	J. Gálvez, E. Guzmán, R.Conejo, A Blended E-learning Experience in a Course of Object Oriented Programming Fundamentals, Knowledge-Based Systems, 22, 4 (2009) 279-286.

J. Gálvez, E. Guzmán, R.Conejo, E.Millán, Student Knowledge Diagnosis Using Item Response Theory and Constraint-Based Modeling, en: Dimitrova,V., Mizogouchi, R., du Boulay, B. (eds.) ARTIFICIAL INTELLIGENCE IN EDUCATION - Building Learning Systems that care: From Knowledge Representation to Affective Modelling, Brighton, UK (2009) 291-299. R.Conejo, B. Barros, E. Guzmán, J. Gálvez, An experiment to measure learning in a collaborative assessment environment., en: Dimitrova,V., Mizogouchi, R., du Boulay, B. (eds.) ARTIFICIAL INTELLIGENCE IN EDUCATION - Building Learning Systems that care: From Knowledge Representation to Affective Modelling, Amsterdam (2009) 620-623. R.Conejo, B. Barros, E. Guzmán, J. Gálvez, Collaborative assessment with SIETTE, en: Dimitrova,V., Mizogouchi, R., du Boulay, B. (eds.) ARTIFICIAL INTELLIGENCE IN EDUCATION - Building Learning Systems that care: From Knowledge Representation to Affective Modelling, Amsterdam (2009) 799-799. J. Gálvez, E. Guzmán, R.Conejo, Inferencia estadística del conocimiento del alumno en entornos de evaluación basados en actividades procedimentales no acotadas, en: CAEPIA-2009, Sevilla (2009) 391-400.