Abstract
In this paper, we introduce UniSent a universal sentiment lexica for 1000
languages created using an English sentiment lexicon and a massively parallel
corpus in the Bible domain. To the best of our knowledge, UniSent is the
largest sentiment resource to date in terms of number of covered languages,
including many low resource languages. To create UniSent, we propose Adapted
Sentiment Pivot, a novel method that combines annotation projection, vocabulary
expansion, and unsupervised domain adaptation. We evaluate the quality of
UniSent for Macedonian, Czech, German, Spanish, and French and show that its
quality is comparable to manually or semi-manually created sentiment resources.
With the publication of this paper, we release UniSent lexica as well as
Adapted Sentiment Pivot related codes. method.
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