This paper appears to claim up to 91% accuracy (precision) [1] by looking at hashtags, with a description of the approach they use (and a link to the software).

This paper appears to claim up to 91% accuracy (precision) [1] by looking at hashtags, with a description of the approach they use (and a link to the software). The approaches probably aren't directly comparable since one depends on hashtags while the other doesn't though. [1] : https://gate.ac.uk/sale/lrec2014/arcomem/sarcasm.pdf https://gate.ac.uk/sale/lrec2014/arcomem/sarcasm.pdf