1. Abts C, Clark B, Devnani-Chulani S, Horowitz E, Madachy R, Reifer D, Selby R, Steece B (1998) COCOMO II model definition manual. Tech. rep., Center for software engineering, USC, http://sunset.usc.edu/COCOMOII/cocomox.html#downloads
2. Agrawal R, Srikant R (1994) Fast algorithms for mining association rules. In: Proceedings of the 20th international conference on very large databases, available from http://www.almaden.ibm.com/cs/people/ragrawal/papers/vldb94_rj.ps
3. Bay S, Pazzani M (1999) Detecting change in categorical data: mining contrast sets. In: Proceedings of the fifth international conference on knowledge discovery and data mining, available from http://www.ics.uci.edu/~pazzani/Publications/stucco.pdf
4. Breiman L, Friedman JH, Olshen RA, Stone CJ (1984) Classification and regression trees. Tech. rep., Wadsworth International, Monterey, CA
5. Cai C, Fu A, Cheng C, Kwong W (1998) Mining association rules with weighted items. In: Proceedings of international database engineering and applications symposium (IDEAS 98), available from http://www.cse.cuhk.edu.hk/~kdd/assoc_rule/paper.pdf