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Utility of Corpus based Approach in the Recognition of Opinionated Text
Objectives: The proposed work focuses on mining opinion word catalogue by using corpus based approach. The motive is to use different parts of speech to improve the classification of the sentiments. Methods/Statistical Analysis: The methodology involved in the proposed work incorporates both the sentiment orientation approach and machine learning approach. The various features like content – specific, content-free and other sentiment features have been used to classify the sentiments. The previous works in the field involved only some specific parts of speech, which have been replaced by the usage of nouns, adjectives, verbs and adverbs. In this approach an algorithm for calculation of sentiment feature has been proposed. Findings: The algorithm proposed in this work is more efficient in comparison to other existing work. In this work, since we have developed a corpus based approach amalgamating both the machine learning and semantic orientation approaches into a common skeleton, it improvises the classification method. Our projected method also incorporates the content-specific and content free features involved in the existing approaches. It also utilizes the infrequent and sentiment features in the semantic orientation approach. The proposed technique can be classified into three main modules: Acquiring of data, generation of features, followed by classification and evaluation. Application/ Improvements: The researches to be done in future can deal with other feature generation methods. Moreover the method can also be improved by making the modifications so that the feature classification can be done on quite large data sets. The method can further be implemented for multilingual languages to build a multilingual sentiment-based lexicon.
Corpus–based Approach, Opinionated Text, Sentiment Analysis, Sentiment Classification, Sentiment Features.
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