00670nas a2200181   4500008004100000245012500041210006900166260000900235300001200244490000700256653000800263100001200271700002000283700001500303700001500318700002300333856013200356       2009                        eng d00aManaging knowledge in light of its evolution process: An empirical study on citation network-based patent classification0 aManaging knowledge in light of its evolution process An empirica  c2009  a129-1530 v2610aBIS1 aLi, Xin1 aChen, Hshinchun1 aZhang, Zhu1 aLi, Jiexun1 aNunamaker, Jay, F.  u/biblio/managing-knowledge-light-its-evolution-process-empirical-study-citation-network-based-0