[电子书] 人工智能 2篇知名文档分享 深度学习word2vec & 计算机视觉深度分析 |
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人工智能 2篇知名文档分享 深度学习word2vec & 计算机视觉深度分析
人工智能 2篇知名文档分享 深度学习word2vec & 计算机视觉深度分析
人工智能 2篇知名文档分享 深度学习word2vec & 计算机视觉深度分析
课程介绍: Deep Learning Deep Learning 实战 之 word2vecword2vec word2vec word2vec 邓澍军 、陆光明夏龙 网易有道 2014.02.27 2014.02.27 目录 一、什么是 word2vecword2vec word2vec word2vec ? ................................ ................................ ................................ .......... 2 二、快速入门 ................................ ................................ ................................ ........................... 3 三、作者八卦 ................................ ................................ ................................ ........................... 4 四、背景知识 ................................ ................................ ................................ ........................... 5 4.1 词向量 ................................ ................................ ................................ ........................ 5 4.2 统计语言模型 统计语言模型 ................................ ................................ ................................ ............ 5 4.3 NNLM 4.3 NNLM 4.3 NNLM ................................ ................................ ................................ .......................... 7 4.4 其他 NNLM NNLM ................................ ................................ ................................ ................ 9 4.5 Log 4.5 Log -Linear Linear模型 ................................ ................................ ................................ ........... 9 4.6 Log 4.6 Log -Bilinear Bilinear 模型 ................................ ................................ ................................ ...... 10 4.6 层次化 Log Log-Bilinear Bilinear 模型 ................................ ................................ ......................... 10 五、模型 ................................ ................................ ................................ ................................ . 11 5.1 CBOW 5.1 CBOW 5.1 CBOW ................................ ................................ ................................ ........................ 11 5.2 Skip 5.2 Skip -Gram Gram ................................ ................................ ................................ .................. 13 5.3 为什么要使用 为什么要使用 Hierarchical Hierarchical Hierarchical Hierarchical Hierarchical Softmax Softmax Softmax或 Negative Sampling Negative SamplingNegative Sampling Negative Sampling ................................ .... 16 六、 TricksTricks Tricks................................ ................................ ................................ ................................ 17 6.1 指数运算 ................................ ................................ ................................ .................. 17 6.2 按 wordword word分布随机抽样 ................................ ................................ ........................... 18 6.3 哈希编码 ................................ ................................ ................................ .................. 20 6.4 随机数 ................................ ................................ ................................ ...................... 20 6.5 回车符 ................................ ................................ ................................ ...................... 20 6.6 高频词亚采样 高频词亚采样 ................................ ................................ ................................ .......... 21 七、分布式实现 ................................ ................................ ................................ ..................... 21 八、总结 ................................ ................................ ................................ ................................ . 22 参考代码 ................................ ................................ ................................ ................................ . 22 参考文献 ................................ ................................ ................................ ................................ . 23 详细目录: 1 资源批量下载地址: ---> http://bbs.vlan5.com/forum-94-1.html 更多精品资源,打包下载(可按知识点/发布日期/培训班/讲师等方式批量下载视频/文档/资料/电子书) 本贴附件下载链接:
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