TY - JOUR T1 - Managing knowledge in light of its evolution process: An empirical study on citation network-based patent classification JF - Journal of Management Information Systems Y1 - 2009 A1 - Li,Xin A1 - Chen,Hshinchun A1 - Zhang,Zhu A1 - Li,Jiexun A1 - Nunamaker,Jay F. KW - BIS VL - 26 CP - 1 U2 - a U4 - 86817787904 ID - 86817787904 ER -