The Haves and the Have-Nots: Leveraging Unlabelled Corpora for Sentiment Analysis

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Knowledge Triples

Source Entity	Relationship	Target Entity
Crosslingual Sentiment Analysis Task	achieves	Accuracy Metric
Crosslingual Sentiment Analysis Task	addressedBy	Data Sparsity OtherEntity
Crosslingual Sentiment Analysis Task	comparesWith	Machine Translation Task
Data Sparsity OtherEntity	addressedBy	Word Clustering Task
Feature Engineering Method	isBasedOn	WordNet Material
Feature Engineering Method	usedFor	Sentiment Classification Task
Word Clustering Task	improves	Sentiment Classification Task