从文本中提取关键句子
您是否知道一种从文本中提取关键句子及其频率参数等的有效方法，并且还可以进行“词干提取”（也搜索类似的句子）？
我也想知道是否有一些软件实现
非常感谢
do you know about an effective method for extracting key sentences from a text with their frequency parameters, etc and that can also do "stemming" (search also for similar sentences) ?
I wonder also if there is some software implementation
Thanks a lot
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以下是 Peter Turney 有关从文本中提取关键短语的论文的列表。以下是文本摘要资源的列表。词干 和文本相似度< /a> 是不同的、庞大的、不断发展的研究领域。您必须向我们提出一个更有针对性的问题才能得到具体的答案。
Here's a list of Peter Turney's papers about extracting keyphrases from text. Here's a list of Text Summarization Resources.Stemming and Text Similarity are different, large and evolving research areas. You have to give us a much more focused question in order to get a specific answer.
有许多优秀的自然语言处理（NLP）工具包可以进行句子识别和提取。
有关列表，请参阅 http://en.wikipedia.org/wiki/Natural_language_processing_toolkits。
您对“相似句子”的要求需要澄清。也许您正在寻找树库（http://en.wikipedia.org/wiki/Treebank) 句子被解析和比较。
There are many good natural language processing (NLP) toolkits which will do sentence identification and extraction.
See http://en.wikipedia.org/wiki/Natural_language_processing_toolkits for a list.
Your requirement for "similar sentences" needs clarification. Maybe you are looking for a treebank (http://en.wikipedia.org/wiki/Treebank) where sentences are parsed and compared.