The SFU Review Corpus, annotated for speculation and negation
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Natalia Konstantinova and Sheila C.M. de Sousa


This corpus contains the 400 reviews in the SFU Review Corpus (Taboada, 2008),
annotated for speculation and negation. Please see the enclosed guidelines for
information on the annotation, and Konstantinova et al. (2012) for more detailed
information on the corpus and its applications.


License
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Natalia Konstantinova and Sheila C.M. de Sousa
Copyright (c) 2012

This corpus is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.



Annotation tool
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The corpus was annotated using PALinkA: 

http://clg.wlv.ac.uk/projects/PALinkA/


References
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Konstantinova, N., S. de Sousa, N. P. Cruz, M. J. Maa, M. Taboada and R. Mitkov (2012) A review corpus annotated for negation, speculation and their scope. Proceedings of the 8th International Conference on Language Resources and Evaluation (LREC). Istanbul, Turkey. May 2012. 

Taboada, M. (2008). SFU Review Corpus [Corpus]. Vancouver: Simon Fraser University, http://www.sfu.ca/~mtaboada/research/SFU_Review_Corpus.html.