[R] How to do abstraction of the document using R

goodnewsformood at sina.com
Mon, 14 Apr 2014 08:10:12 -0000

Hi,

I have a document without the abstraction. I am tring to do abstraction of the
document using R.  How can I get a short abstraction. I have no any idea about
this. Anyone can help? Thank you!
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