Construction and analysis of Emoji Sentiment Ranking is described in the following paper:
P. Kralj Novak, J. Smailović, B. Sluban, I. Mozetič,
Sentiment of Emojis, submitted, 2015.
BibTex citation:
@article{Kralj2015emoji, title={Sentiment of Emojis}, author={Kralj Novak, Petra and Smailovi{\'c}, Jasmina and Sluban, Borut and Mozeti{\v{c}}, Igor}, year={2015}, publisher={Jo{\v{z}}ef Stefan Institute} }
Resouces:
CLARIN.SI language resource repository - source data
Emojitracker - emoji use on Twitter in real-time
Unicode Emoji Charts - list of the Unicode emoji characters
Emojipedia - search for emoji
Contact: igor.mozetic (at) ijs.si