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+0800</pubDate><description><![CDATA[本文介绍了自然语言处理中的词向量基础知识，重点讲解了Word2vec模型和softmax函数。文章指出独热向量无法表达词语相似性，而分布式词向量通过上下文捕捉语义关系。Word2vec通过最大化上下文词出现的概率来训练词向量，使用点积计算相似度并应用softmax转换为概率分布。文中还提及梯度下降优化方法，为每个词分配中心词和外围词两种向量表示。适合有一定机器学习基础的学习者复习使用，内容源自CS224N课程，强调深入理解而非速成学习。]]></description><category></category></item><item><title><![CDATA[【编译原理】DBMS系统设计与实现]]></title><link>https://blog.youkuaiyun.com/Astrid_5211/article/details/147934840</link><guid>https://blog.youkuaiyun.com/Astrid_5211/article/details/147934840</guid><author>Astrid_5211</author><pubDate>Tue, 13 May 2025 22:10:36 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+0800</pubDate><description><![CDATA[在linux平台上实现1个父进程、10个以上子进程，其中一些子进程具有特定任务（如完成：显示、计算、报警等），各进程之间利用管道、信号灯和共享内存实现数据传送。]]></description><category></category></item><item><title><![CDATA[【网络应用程序设计】实验一：本地机上的聊天室]]></title><link>https://blog.youkuaiyun.com/Astrid_5211/article/details/147430123</link><guid>https://blog.youkuaiyun.com/Astrid_5211/article/details/147430123</guid><author>Astrid_5211</author><pubDate>Tue, 22 Apr 2025 20:38:40 +0800</pubDate><description><![CDATA[网络应用程序设计实验：本地机上的聊天室]]></description><category></category></item><item><title><![CDATA[西电数据库大作业：学籍管理系统设计]]></title><link>https://blog.youkuaiyun.com/Astrid_5211/article/details/144526124</link><guid>https://blog.youkuaiyun.com/Astrid_5211/article/details/144526124</guid><author>Astrid_5211</author><pubDate>Tue, 17 Dec 2024 10:01:59 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设备驱动（李航）]]></title><link>https://blog.youkuaiyun.com/Astrid_5211/article/details/143780361</link><guid>https://blog.youkuaiyun.com/Astrid_5211/article/details/143780361</guid><author>Astrid_5211</author><pubDate>Thu, 14 Nov 2024 21:05:12 +0800</pubDate><description><![CDATA[西电OS实验三：edu 设备驱动（李航）]]></description><category></category></item><item><title><![CDATA[后端笔记——Go基础语法]]></title><link>https://blog.youkuaiyun.com/Astrid_5211/article/details/143458724</link><guid>https://blog.youkuaiyun.com/Astrid_5211/article/details/143458724</guid><author>Astrid_5211</author><pubDate>Wed, 06 Nov 2024 20:11:59 +0800</pubDate><description><![CDATA[Go基础语法整理]]></description><category></category></item><item><title><![CDATA[Go基础语法（实战）]]></title><link>https://blog.youkuaiyun.com/Astrid_5211/article/details/143465521</link><guid>https://blog.youkuaiyun.com/Astrid_5211/article/details/143465521</guid><author>Astrid_5211</author><pubDate>Wed, 06 Nov 2024 20:11:01 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