Why was my film rated so poorly.

My film, Never Mime, has been rated 1.8 out of 10.  I sincerely don't believe that out of 47 reviews, 41 of them gave it a single star.  This little film was selected and won awards at several world wide film fests.  I never met one person that didn't like it.  It was even reviewed publicly and given high praise.  I believe that one person may have used different e-mails to leave the 41 bad reviews., or maybe it is a mistake from IMDB.  Other than film fests, its only been watched 24 times on YouTube, the only place it is shown, so I wonder where these reviews came from.  I really doubt people left film fests and took the trouble to leave my film the worst rating possible. How can I research where these bad reviews came from?  They seriously don't make sense.  It is a silly little film, but truly doesn't deserve 1 star.