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北京邮电大学“网络搜索原理”课程(2021)

  • 课程名称:网络搜索原理
  • 教师:陈光 (@爱可可-爱生活)
  • 时间地点:周五上午 8:00-9:35 教三-233

本课程旨在通过讲解+实战,理解搜索引擎背后的基本技术原理,用进化视角看技术更迭,培养搜索思维,开阔解决相关问题的思路。

日期 内容 视频 讲义&代码 答疑
2021.9.10 第1讲、从四点“心法”开始
摘要:四点心法:内外有别、终局思维、置身其中、少即是多,几点学习建议,本学期特色
第一课导图
V1 L1 Q1
2021.9.17 第2讲、简单关键词检索实现
摘要:用xPath实现新闻标题数据快速采集、用grep实现简单关键词过滤、Python编程实现简单关键词检索
第二课导图
V2 L2 C2 Q2
2021.9.24 第3讲、简单搜索的性能分析与优化
摘要:通过简单搜索实现的迭代优化过程,体会性能优化的考虑角度和实现技巧。
第三课导图
V3 L3 C3
2021.10.8 第4讲、布尔查询的实现
摘要:布尔查询的实现与改进。
第四课导图
V4 L4 C4
2021.10.15 第5讲、文档排序
摘要:文档打分和排序的实现与改进。
V5 C5
2021.10.22 第6讲、向量空间模型的改进
摘要:TF-IDF的实现与改进,BM25,程序性能的改进策略。
V6 C6
2021.10.22 第7讲、邻接查询与拼写检查
摘要:英文、数字串的提取与索引,轮换索引的设计与实现。
V7 C7
2021.11.5 第8讲、重复检测与相似搜索
摘要:基于n-gram的KShingle去重方法,基于MinHash、SimHash的重复检测。
V8 C8

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