1. Alkhalid, A., Amin, T., Chikalov, I., Hussain, S., Moshkov, M., Zielosko, B.: Dagger: a tool for analysis and optimization of decision trees andrules. Comput. Inf. Soc. Factors New Inf. Technol. Hypermedia Perspect. Avant-Garde Experiences Eraof Communicability Expansion, 29–39 (2011)
2. Azad, M., Chikalov, I., Moshkov, M., Zielosko, B.: Greedy algorithms for construction of approximate tests for decision tables with many-valued decisions. Fundamenta Informaticae 120(3–4), 231–242 (2012)
3. Lecture Notes in Computer Science (Lecture Notes in Artificial Intelligence);H Blockeel,2006
4. Boutell, M.R., Luo, J., Shen, X., Brown, C.M.: Learning multi-label scene classification. Pattern Recogn. 37(9), 1757–1771 (2004)
5. Cheriyan, J., Ravi, R.: Lecture notes on approximation algorithms for network problems (1998). http://www.math.uwaterloo.ca/~jcheriya/lecnotes.html