论文做实验需要英文分词和单词提取,有啥好python库推荐么 - V2EX
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V2EX    Python

论文做实验需要英文分词和单词提取,有啥好python库推荐么

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  •   stackpop
    sjtubinlong 2012-07-23 16:40:38 +08:00 8111 次点击
    这是一个创建于 4903 天前的主题,其中的信息可能已经有所发展或是发生改变。
    其实主要是把一篇文章的关键词(所有出现次数大于等于1的英文单词,不考虑词组)全部提取出来然后按我自己的算法来建立索引就OK了,python直接写其实也挺方便,

    不过还是想问问,有专门处理这类问题的库么?尤其是如果能直接从网页上抓取并过滤html就好了。因为实验要设计挺多不同领域的文档做统计,我就不想复制到txt了。。。。

    嘿嘿,首次发主题,谢谢诸位.
    4 条回复    1970-01-01 08:00:00 +08:00
    eric
        1
    eric  
       2012-07-23 16:45:14 +08:00   1
    NLTK 的 word_tokenize 就能很方便的实现。
    http://nltk.org/
    stackpop
        2
    stackpop  
    OP
       2012-07-23 16:53:17 +08:00
    @eric 的确好强大,就是我想要的东西。之前打算用C++ 写,后来朋友建议用python,代码简洁得多,果然py强大~难怪国外好多大学CS第一门编程课改成python了,呵呵
    fanzheng
        3
    fanzheng  
       2012-07-24 00:08:04 +08:00
    如果只是出现次数的话用split然后counter()嘛,官方模块文档里面的counter()
    from0tohero
        4
    from0tohero  
       2012-07-26 18:39:19 +08:00   1
    NLTK最好没有之一~
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