Table 11.

Performance comparison with other methods

Work	Dataset	Noise Reduction	Features	Approach	Precision	Recall	F-measure
Goeuriot et al. (2012)	25,000 reviews	Filtering	Unigram and bigram	Hybrid (lexicon-based + information gain)	0.76	0.52	0.62
Asghar et al. (2015)	15,000 reviews	Filtering, tokenization, stop word removal, stemming	Unigram, bigram and trigram	Supervised (revised mutual information)	0.78	0.64	0.64
Demiroz et al.(2012)	9000 reviews	Filtering, stop word removal	Bag of words	Supervised (delta scoring)	0.75	0.48	0.58
Our work	26,060 reviews	Filtering, tokenization, stop word removal, lemmatization, spell correction, co-reference resolution	Unigram, bigram and trigram	Hybrid (boot strapping + corpus-based)	0.89	0.79	0.83

All the mentioned evaluations measures are as reported by their respective work