?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Sun&rft.aufirst=S&rft.au=Sun%2C+S&rft.atitle=Sparse+Semi-supervised+Learning+Using+Conjugate+Functions&rft.volume=11&rft.date=September+2010&rft.pages=2423+-+2455&rft.issn=1532-4435&rft.title=Journal+of+Machine+Learning+Research&rft.genre=article