... sentiment information. In ourexperiments, we show how the model can leveragedocument-level sentiment annotations of a sort thatare abundant online in the form of consumer reviews for movies, ... Pham, Dan Huang,Andrew Y. Ng, and Christopher PottsStanford UniversityStanford, CA 94305[amaas, rdaly, ptpham, yuze, ang, cgpotts]@stanford.eduAbstractUnsupervised vector-based approaches ... find it out-performs several previ-ously introduced methods for sentiment clas-sification. We also introduce a large datasetof movie reviews to serve as a more robustbenchmark for work in this...