\input zb-basic
\input zb-ioport
\iteman{io-port 70786443}
\itemau{Chen, Zhixiang}
\itemti{Multiplicative adaptive algorithms for user preference retrieval}
\itemso{COCOON, 540-549 (2001).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/3-540-44679-6\_60}
\end