Multivariate network visualization : Dagstuhl seminar #13201 : Dagstuhl Castle, Germany, May 12-17, 2013 : revised discussions : seminar on "information visualization--towards multivariate network visualization" (no. 13201) : 3rd Dagstuhl seminar on information visualization : May 2013, Dagstuhl, Germany / Andreas Kerren, HelenC Purchase, Matthew Ward, ほか