LSA uses SVD algorithm i.e. the terms-documents matrix $=U \Sigma V^T$

What is the exact meaning of matrix U here:

  • I know that it is a rotation but rotation of what?
  • Is it a concepts space? If yes which kind of concepts is it exactly?

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.