If you use this dataset, please cite following paper:
@inproceedings{Demirtas2013CrosslingualPD,
title={Cross-lingual polarity detection with machine translation},
author={Erkin Demirtas and Mykola Pechenizkiy},
booktitle={wisdom},
year={2013},
url={
https://api.semanticscholar.org/CorpusID:3912960}
}