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Stability-mutation feature identification of Web search keywords based on keyword concentration change ratio 期刊论文  OAI收割
chinese journal of library and information science, 2014, 卷号: 7, 期号: 3, 页码: 33-44
LU Hongtao; YE Guanghui; LI Gang
收藏  |  浏览/下载:41/0  |  提交时间:2015/01/29
A method of detecting emerging trends in research topics 期刊论文  OAI收割
chinese journal of library and information science, 2014, 卷号: 7, 期号: 2, 页码: 65-81
GE Fei; TAN Zongying
收藏  |  浏览/下载:18/0  |  提交时间:2014/08/12
An integrated document retrieval method combining entity annotation and keyword index: A KIM platform implementation 期刊论文  OAI收割
chinese journal of library and information science, 2013, 卷号: 6, 期号: 1, 页码: 64-77
XU Xin; GUO Jinlong; HONG Yunjia; JIN Biyi
收藏  |  浏览/下载:31/0  |  提交时间:2013/04/27
Chinese college students' Web querying behaviors: A case study of Peking University 期刊论文  OAI收割
chinese journal of library and information science, 2011, 卷号: 3, 期号: 4, 页码: 23-36
QU Peng; LIU Chang; LAI Maosheng
收藏  |  浏览/下载:21/0  |  提交时间:2012/09/18
Structures and dynamics of scientific knowledge networks: An empirical analysis based on a co-word network 期刊论文  OAI收割
chinese journal of library and information science, 2010, 卷号: 3, 期号: 3, 页码: 19-36
WANG Xiaoguang; JIANG Tingting; LI Xiaoyu
收藏  |  浏览/下载:17/0  |  提交时间:2012/09/18