Abstract
The study of comparative online opinions is about sorting comparative sentences out of given sentences. This study, which is focused on the documents in Korean, may be the first of its kind in Korea although there have been a few of such studies in English spoken countries. In this study, 39 words -the most frequently used in the comparative sentences- were identified for the extraction of comparative sentences; especially, of the 39 words, this study is focused on the word `boda', which is the most frequently occurring in Korean comparative sentences in identifying the rules for distinguishing the comparative sentences. The Korean word `boda' is a proposition that has the same role as the English word, `than'; and if used as an adverb, `more'. In total, 11 rules were found in the observation of commodity review documents in blogs using the word `boda'. The study might be applied to a comparative search, on the internet, of a commodity or other object The study of comparative online opinions is about sorting comparative sentences out of given sentences. This study, which is focused on the documents in Korean, may be the first of its kind in Korea although there have been a few of such studies in English spoken countries. In this study, 39 words -the most frequently used in the comparative sentences- were identified for the extraction of comparative sentences; especially, of the 39 words, this study is focused on the word `boda', which is the most frequently occurring in Korean comparative sentences in identifying the rules for distinguishing the comparative sentences. The Korean word `boda' is a proposition that has the same role as the English word, `than'; and if used as an adverb, `more'. In total, 11 rules were found in the observation of commodity review documents in blogs using the word `boda'. The study might be applied to a comparative search, on the internet, of a commodity or other object as well as an elementary technology of opinion mining as well as an elementary technology of opinion mining.
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