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This paper deals with the lexicon-based approach in document-level and sentence e-level sentiment analysis (SA) in Arabic. We experimented four different lexicons, a translation of Harvard IV-4 Dictionary (HarvardA), translation of the MPQA subjectivity lexicon developed by Pittsburgh University (HRMA) and two different implementation of MPQA. We evaluated all four lexicons with three datasets from...
In contrast to tags with no inter-relation, web users are more familiar with concept systems with hierarchies, which could also be leveraged in various information retrieval applications. The construction of tag hierarchies relies on the analysis of tag semantic characteristics, while such characteristics are evidenced by semantic case objects which are co-related to tags. Based on such an observation,...
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