\input zb-basic
\input zb-ioport
\iteman{io-port 70663235}
\itemau{Li, Ji-Rui; Mao, Yan-Fang; Yang, Kai}
\itemti{Improvement and application of TF * IDF algorithm}
\itemso{ICICA (LNCS), 121-127 (2011).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/978-3-642-25255-6\_16}
\end