title: Vectorization in Apache Mahout
body: <p>I am new to Mahout. I have a requirement to convert a text file to a vector for classification in  later stage.</p>
  
  <p>Could anybody of of shed some light on these below questions?</p>
  
  <ol>
  <li>How to convert a text file to a vector in mahout?
  The file format is like "username|comment about item|rating"</li>
  <li>The data will be few TBs. So which algorithm implementable I can use for classification using the vector I suppose to create?</li>
  </ol>
  
  <p>Thanks,
  Arun</p>