Antonio Hernando (A. Hernando)




Dr. Antonio Hernando Esteban was born in 1976. He received a B. A. Degree in Computer Science in 1999, a B. A. degree in Mathematics in 2005 and a PhD degree in Artificial Intelligence in 2007. He has been assistant lecturer at the Complutense University in Madrid and is currently lecturer in the Technical School, Univ. Pol. Madrid. His main research lines relate to Artificial Intelligence and Computer Algebra. Currently, he is a lecturer with the Department of Applied Intelligent Systems, Universidad Politécnica de Madrid. He is in charge of this group new research issues.


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From 2010 to present at Technical University of Madrid (Computer Sciences).

Subjects: Artificial Intelligence, Object Oriented Programming, Recommender Systems, Databases Theory, Neural Networks.



  • Bobadilla J., Hernando, A., Fernando, O., Gutiérrez, A., Recommender systems survey, (2013) Knowledge Based Systems, 46, pp. 109-132.
  • Ortega, F., Bobadilla, J.,  Hernando, A., Using hierarchical graph maps to explain collaborative filtering recommendations, (2014) International Journal of Intelligent Systems, -- (--), pp. --- - ---. 
  • Bobadilla J., Ortega, F., Hernando, A., González, G., A similarity metric designed to speed up, using hardware, the recommender systems k-nearest neighbors algorithm, (2013) Knowledge Based Systems, 51, 27-34
  • Hernando, A.,Moya, R., Bobadilla J., Ortega, F., Hierarchical graph maps for visualization of collaborative recommender systems, (2013) Journal of Information Sciences, accepted on October 2013
  • Hernando, A., Bobadilla, J., Fernando, O., Gutiérrez, A., Trees for explaining recommendations made through collaborative filtering, (2013) Information Sciences, 239, pp. 1-17.
  • Ortega, F., Bobadilla, J., Hernando, A., Gutiérrez, A., Incorporating group recommendations to recommender systems: Alternatives and performance (2013) Information Processing and Management, 49 (4), pp. 895-901.
  • Hernando, A., Bobadilla, J., Ortega, F., Tejedor, J., Incorporating reliability measurements into the predictions of a recommender system, (2013) Information Sciences, 218, pp. 1-16.   
  • Bobadilla, J., Ortega, F., Hernando, A., Arroyo, Á., A balanced memory-based collaborative filtering similarity measure, (2012) International Journal of Intelligent Systems, 27 (10), pp. 939-946.  
  • Bobadilla, J., Ortega, F., Hernando, A., Bernal, J., A collaborative filtering approach to mitigate the new user cold start problem, (2012) Knowledge-Based Systems, 26, pp. 225-238. 
  • Bobadilla, J., Ortega, F., Hernando, A., Bernal, J., Generalization of recommender systems: Collaborative filtering extended to groups of users and restricted to groups of items, (2012) Expert Systems with Applications, 39 (1), pp. 172-186.
  • Bobadilla, J., Ortega, F., Hernando, A., Alcalá, J., Improving collaborative filtering recommender system results and performance using genetic algorithms, (2011) Knowledge-Based Systems, 24 (8), pp. 1310-1316.  
  • Ortega, F., Hernando, A., Bobadilla, J., Extended precision quality measure for recommender systems, (2011) Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 7023 LNAI, pp. 433-442.  
  • Bobadilla, J., Hernando, A., Ortega, F., Bernal, J., A framework for collaborative filtering recommender systems, (2011) Expert Systems with Applications, 38 (12), pp. 14609-14623.
  • Bobadilla, J., Hernando, A., Arroyo, A., E-learning experience using recommender systems, (2011) SIGCSE'11 - Proceedings of the 42nd ACM Technical Symposium on Computer Science Education, pp. 477-481.    
  • Bobadilla, J., Serradilla, F., Hernando, A., Collaborative filtering adapted to recommender systems of e-learning, (2009) Knowledge-Based Systems, 22 (4), pp. 261-265.  
  • Roanes-Lozano, E., Alonso, J.A., Hernando, A., Revisiting four-valued logics from Maple using the Logics Explorer package (2012) Mathematics and Computers in Simulation, . Article in Press.
  • Hernando, A., Roanes-Lozano, E., Maestre-Martínez, R., Tejedor, J., A logic-algebraic approach to decision taking in a railway interlocking system (2012) Annals of Mathematics and Artificial Intelligence, 65 (4), pp. 317-328.
  • Hernando, A., Roanes-Lozano, E., García-Álvarez, A., Mesa, L.E., González-Franco, I., Optimal route finding and rolling-stock selection for the Spanish railways (2012) Computing in Science and Engineering, 14 (4), art. no. 6241367, pp. 82-89.
  • Hernando, A.. A new algebraic model for implementing expert systems represented under the 'Concept-Attribute-Value' paradigm (2011) Mathematics and Computers in Simulation, 82 (1), pp. 29-43.
  • Roanes-Lozano, E., Hernando, A., Alonso, J.A., Laita, L.M., A logic approach to decision taking in a railway interlocking system using Maple (2011) Mathematics and Computers in Simulation, 82 (1), pp. 15-28.
  • Hernando, A., Roanes-Lozano, E., Laita, L.M., A polynomial model for logics with a prime power number of truth values (2011) Journal of Automated Reasoning, 46 (2), pp. 205-221.
  • Hernando, A., Roanes-Lozano, E., García-Álvarez, A., An accelerated-time microscopic simulation of a dedicated freight double-track railway line (2010) Mathematical and Computer Modelling, 51 (9-10), pp. 1160-1169.
  • Hernando, A., New methods for proving the impossibility to solve problems through reduction of problem spaces (2009) Annals of Mathematics and Artificial Intelligence, 57 (3), pp. 205-231.
  • Roanes-Lozano, E., Hernando, A., Laita, L.M., Roanes-Macías, E., A Groebner bases-based approach to backward reasoning in rule based expert systems (2009) Annals of Mathematics and Artificial Intelligence, 56 (3-4), pp. 297-311.
  • Hernando, A., de Ledesma, L., Laita, L.M., Showing the non-existence of solutions in systems of linear Diophantine equations (2009) Mathematics and Computers in Simulation, 79 (11), pp. 3211-3220.
  • Hernando, A., De Ledesma, L., Laita, L.M., A system simulating representation change phenomena while problem solving (2008) Mathematics and Computers in Simulation, 78 (1), pp. 89-106.


Citation overview

Scopus: Total citation: 153,   h-index:7

Citation and published papers overview: Scopus, DBLP


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