ABC-Boost:用于多类分类的自适应基类升压ABC-Boost: Adaptive Base Class Boost for Multi-Class Classification |
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课程网址: | http://videolectures.net/icml09_li_abcb/ |
主讲教师: | Ping Li |
开课单位: | 康奈尔大学 |
开课时间: | 2009-08-26 |
课程语种: | 英语 |
中文简介: | 我们提出ABC Boost(自适应基类升压)用于多类分类,并提出ABC MART,ABC Boost的实现。原始的MART(多重加法回归树)算法在某些行业应用(例如,Web搜索)中很流行。对于二元分类,ABC MART恢复了MART。对于多类分类,ABC MART改进了MART,在几个公共数据集上进行了评估。 |
课程简介: | We propose ABC-Boost (Adaptive Base Class Boost) for multi-class classification and present ABC-MART, an implementation of ABC-Boost. The original MART (Multiple Additive Regression Trees) algorithm has been popular in certain industry applications (e.g., Web search). For binary classification, ABC-MART recovers MART. For multi-class classification, ABC-MART improves MART, as evaluated on several public data sets. |
关 键 词: | 多类分类; Web搜索; 公共数据集 |
课程来源: | 视频讲座网 |
最后编审: | 2019-04-23:lxf |
阅读次数: | 229 |