estrictedBoltzmannmachines(RBMs)havebeenusedasgenerativemodelsofmanydifferenttypesofdataincludinglabeledorunlabeledimages(Hintonetal.,2006a),windowsofmel-cepstralcoefficientsthatrepresentspeech(Mohamedetal.,2009),bagsofwordsthatrepresentdocuments(SalakhutdinovandHinton,2009),anduserrat