\input zb-basic \input zb-ioport \iteman{io-port 70837106} \itemau{Enr{\'\i}quez, Fernando; Troyano, Jos\'e A.; Cruz, Ferm{\'\i}n L.; Ortega, F. Javier} \itemti{A comparative study of classifier combination methods applied to NLP tasks} \itemso{NLDB, 258-261 (2011).} \itemcc{} \itemut{} \itemli{doi:10.1007/978-3-642-22327-3\_33} \end