TY - HEAR T1 - Auto patent classification using citation network information: An experimental study in nanotechnology Y1 - 2007 A1 - Li,Xin A1 - Chen,Hsinchun A1 - Zhang,Zhu A1 - Li,Jiexun KW - BIS JA - ACM/IEEE Joint Conference on Digital Libraries (JCDL 2007) CY - Vancouver, British Columbia, Canada U2 - c U4 - 98583994368 ID - 98583994368 ER -