The USAGE review corpus
A description of the USAGE corpus is available in the original publication:
Roman Klinger and Philipp Cimiano. The USAGE review corpus for fine grained multi lingual opinion analysis. In Nicoletta Calzolari, Khalid Choukri, Thierry Declerck, Hrafn Loftsson, Bente Maegaard, Joseph Mariani, Asuncion Moreno, Jan Odijk, and Stelios Piperidis, editors, Proceedings of the Ninth International Conference on Language Resources and Evaluation (LREC'14), pages 2211--2218, Reykjavik, Iceland, May 2014. European Language Resources Association (ELRA). ACL Anthology Identifier: L14-1656.
The original data location is http://dx.doi.org/10.4119/unibi/citec.2014.14 and more information can be found at http://www.romanklinger.de/usagecorpus/
The redistributed version of the data is available under the Open Data Commons Attribution License (ODC-By) v1.0 (http://opendatacommons.org/licenses/by/1.0/).