bibitem{Ref01}
J. Alcalá-Fdez, A. Fernandez, J. Luengo, J. Derrac, S. García, L. Sánchez and F. Herrera, textit{KEEL data-mining software tool: data set repository, integration of algorithms and experimental analysis framework}, Journal of Multiple-Valued Logic and Soft Computing, textbf{17} (2011), 255-287.
bibitem{Ref02}
J. Alcalá-Fdez, L. Sánchez, S. García, M. del Jesus, S. Ventura, J. Garrell, J. Otero, C. Romero, J. Bacardit, V. Rivas, J. Fernández and F. Herrera, textit{KEEL: a software tool to assess evolutionary algorithms for data mining problems}, Soft Computing, textbf{13(3)} (2009), 307-318.
bibitem{Ref03}
L. Bartczuk and D. Rutkowska, textit{Type-2 fuzzy decision trees}, In: Proceedings of the 9th International Conference on Artificial Intelligence and Soft Computing, Springer-Verlag, Zakopane, Poland, (2008), 197-206.
bibitem{Ref04}
R. B. Bhatt and M. Gopal, textit{Neuro-fuzzy decision trees}, International Journal of Neural Systems, textbf{16(1)} (2006), 63-78.
bibitem{Ref05}
B. Chandra, P. Paul Varghese, {it Fuzzy sliq decision tree algorithm}, IEEE Transactions on Systems, Man, and Cybernetics-Part B: Cybernetics, {bf38} (2008), 1294-1301.
bibitem{Ref06}
B. Chandra and P. Paul Varghese, textit{Fuzzifying gini index based decision trees}, Expert Systems with Applications, textbf{36(4)} (2009), 8549-8559.
bibitem{Ref07}
P. C. Chang, C. Y. Fan and W. Y. Dzan, textit{A CBR-based fuzzy decision tree approach for database classification}, Expert Systems with Applications, textbf{37(1)} (2010), 214-225.
bibitem{Ref08}
Y. L. Chen, T. Wang, B. S. Wang and Z. J. Li, textit{A survey of fuzzy decision tree classifier}, Fuzzy Information and Engineering, textbf{1(2)} (2009), 149-159.
bibitem{Ref09}
M. E. Cintra, M. C. Monard and H. A. Camargo, textit{Evaluation of the pruning impact on fuzzy C4.5}, In: Anais Congresso Brasileiro de Sistemas Fuzzy, (2010), 257-264.
bibitem{Ref10}
J. Demšar, textit{Statistical comparisons of classifiers over multiple data sets}, Journal of Machine Learning Research, textbf{7} (2006), 1-30.
bibitem{Ref11}
A. Frank and A. Asuncion, textit{UCI machine learning repository}, http://archive.ics.uci.edu/ml, Irvine, 2010.
bibitem{Ref12}
S. Garcia and F. Herrera, textit{An extension on "statistical comparisons of classifiers over multiple data sets" for all pairwise comparisons}, Journal of Machine Learning Research, textbf{9} (2008), 2677-2694.
bibitem{Ref13}
J. S. R. Jang, C. T. Sun and E. Mizutani, textit{Neuro-fuzzy and soft computing: a computational approach to learning and machine intelligence}, Prentice Hall, London, 1997.
bibitem{Ref14}
C. Z. Janikow, textit{Fuzzy decision trees: issues and methods}, IEEE Transactions on Systems, Man and Cybernetics-Part B: Cybernetics, textbf{28(1)} (1998), 1-14.
bibitem{Ref15}
R. Jensen and Q. Shen, textit{Fuzzy-rough feature significance for fuzzy decision trees}, In: Proceedings of the 2005 UK Workshop on Computational Intelligence, (2005), 89-96.
bibitem{Ref16}
U. Khan, H. Shin, J. Choi and M. Kim, textit{wFDT - weighted fuzzy decision trees for prognosis of breast cancer survivability}, In: The Australasian Data Mining Conference, (2008), 141-152.
bibitem{Ref17}
R. E. Korf, textit{Depth-first iterative-deepening: an optimal admissible tree search}, In: G. R. Peter, ed., Expert Systems, IEEE Computer Society Press, (1990), 380-389.
bibitem{Ref18}
D. McNeill and P. Freiberger, textit{Fuzzy logic}, Simon & Schuster, New York, 1994.
bibitem{Ref19}
T. M. Mitchell, textit{Machine learning}, McGraw-Hill, New York, 1997.
bibitem{Ref20}
W. Pedrycz and Z. A. Sosnowski, textit{Designing decision trees with the use of fuzzy granulation}, IEEE Transactions on Systems, Man and Cybernetics-Part A: Systems and Humans, textbf{30(2)} (2000), 151-159.
bibitem{Ref21}
W. Pedrycz and Z. A. Sosnowski, textit{Genetically optimized fuzzy decision trees}, IEEE Transactions on Systems, Man and Cybernetics-Part B: Cybernetics, textbf{35(3)} (2005), 633-641.
bibitem{Ref22}
P. Pulkkinen and H. Koivisto, textit{Fuzzy classifier identification using decision tree and multiobjective evolutionary algorithms}, International Journal of Approximate Reasoning, textbf{48(2)} (2008), 526-543.
bibitem{Ref23}
J. R. Quinlan, textit{C4.5: programs for machine learning}, Morgan Kaufmann Publishers, San Francisco, 1993.
bibitem{Ref24}
L. Rokach and O. Maimon, textit{Top-down induction of decision trees classifiers - a survey}, IEEE Transactions on Systems, Man and Cybernetics-Part C: Applications and Reviews, textbf{35(4)} (2005), 476-487.
bibitem{Ref25}
L. Rokach and O. Maimon, textit{Data mining with decision trees: theroy and applications}, World Scientific, Singapore, 2008.
bibitem{Ref26}
J. Sanz, A. Fernandez, H. Bustince and F. Herrera, textit{IIVFDT: ignorance functions based interval-valued fuzzy decision tree with genetic tuning}, International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems, in press, 2012.
bibitem{Ref27}
M. Umano, H. Okamoto, I. Hatono, H. Tamura, F. Kawachi, S. Umedzu and J. Kinoshita, textit{Fuzzy decision trees by fuzzy ID3 algorithm and its application to diagnosis systems}, In: Proceedings of Third IEEE Conference on Fuzzy Systems, (1994), 2113-2118.
bibitem{Ref28}
T. Wang, Z. Li, Y. Yan and H. Chen, textit{A survey of fuzzy decision tree classifier methodology}, In: B. Y. Cao, ed., Fuzzy Information and Engineering, Springer, Berlin / Heidelberg, (2007), 959-968.
bibitem{Ref29}
X. Wang and C. Borgelt, textit{Information measures in fuzzy decision trees}, In: Proceedings of 13th IEEE International Conference on Fuzzy Systems, (2004), 85-90.
bibitem{Ref30}
X. Wang, B. Chen, G. Qian and F. Ye, textit{On the optimization of fuzzy decision trees}, Fuzzy Sets and Systems, textbf{112(1)} (2000), 117-125.
bibitem{Ref31}
X. Wang and H. Jiarong, textit{On the handling of fuzziness for continuous-valued attributes in decision tree generation}, Fuzzy Sets and Systems, textbf{99(3)} (1998), 283-290.
bibitem{Ref32}
Y. Yuan and M. J. Shaw, textit{Induction of fuzzy decision trees}, Fuzzy Sets and Systems, textbf{69(2)} (1995), 125-139.
bibitem{Ref33}
M. Zeinalkhani and M. Eftekhari, textit{A new measure for comparing stopping criteria of fuzzy decision tree}, In: International Conference on Computer and Knowledge Engineering, Mashhad, (2011), 120-123.
bibitem{Ref34}
H. Zhang and B. H. Singer, textit{Recursive partitioning and applications}, 2nd ed., Springer, London, 2010.
end{thebibliography}