\input zb-basic
\input zb-ioport
\iteman{io-port 70242401}
\itemau{Hacid, Hakim; Hebbar, Karim; Maaradji, Abderrahmane; Saidi, Mohamed Adel; Ribi\`ere, Myriam; Daigremont, Johann}
\itemti{Enhancing navigation in virtual worlds through social networks analysis}
\itemso{ISMIS, 146-152 (2011).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/978-3-642-21916-0\_17}
\end