?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Levenberg%2C+A&rft.aulast=Levenberg&rft.aufirst=A&rft.issue=2&rft.volume=3&rft.date=2014&rft.atitle=Predicting+Economic+Indicators+from+Web+Text+Using+Sentiment+Composition&rft.title=International+Journal+of+Computer+and+Communication+Engineering&rft.pages=109-115&rft.genre=article