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浏览/检索结果: 共4条，第1-4条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Activity Feature Solving Based on TF-IDF for Activity Recognition in Smart Homes 期刊论文 COMPLEXITY, 2019, 卷号: 2019 作者:  Guo, Jinghuan;  Mu, Yong;  Xiong, Mudi;  Liu, Yaqing;  Gu, Jingxuan 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/02 Feature extraction based on information gain and sequential pattern for English question classification 期刊论文 IET SOFTWARE, 2018, 卷号: 12, 页码: 520-526 作者:  Liu, Yaqing;  Yi, Xiaokai;  Chen, Rong;  Zhai, Zhengguo;  Gu, Jingxuan 收藏  |  浏览/下载：6/0  |  提交时间：2019/12/02 feature extraction  pattern classification  data mining  text analysis  selected question features  QC  syntax feature extraction  high computational cost  syntax features  semantic feature extraction  lexical feature extraction  improved information gain  sequential pattern mining methods  selected features  questions classification  English question classification  appropriate category  predefined categories  question taxonomy   Photovoltaic Array Maximum Power Point Tracking Based on Improved Perturbation and Observation Method 期刊论文 Journal of Physics: Conference Series, 2018, 卷号: 1087, 期号: 4 作者:  Song, Yaqin;  Gu, Tingkun;  Ding, Yan;  Zhang, Linghan;  Tang, Jingxuan 收藏  |  浏览/下载：9/0  |  提交时间：2019/12/11 Narnurian strata of Ningxia, North China 期刊论文 Abstracts of Papers, 11th International Congress of Carboniferous Stratigraphy and Geology, 1987, 期号: Ⅱ, 页码: 335 Huo Fuchen; Cao Jingxuan; Gu Qichang; Zhao Xiuhu (赵修祜); Wu Xiuyuan (吴秀元); Zhou Zuren (周祖仁) 收藏  |  浏览/下载：8/0  |  提交时间：2014/02/24