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In online reviews, customers describe positive or negative experiences with a product or service or any part of it (i.e. features). Consumers frequently experience difficulty finding the desired product for comparison because of the massive number of online reviews. The automatic extraction of important product features is necessary to support customers in search of relevant product features. These features are the criteria that make it possible for customers to characterise different types of products. This article proposes a domain independent approach for identifying explicit opinionated features and attributes that are strongly related to a specific domain product using lexicographer files in WordNet. In our approach, N_gram analysis and the SentiStrength opinion lexicon have been employed to support the extraction of opinionated features. The empirical evaluation of the proposed system using online reviews of two popular datasets of supervised and unsupervised systems showed that our approach achieved competitive results for feature extraction from product reviews.<\/jats:p>","DOI":"10.1177\/0165551516667651","type":"journal-article","created":{"date-parts":[[2016,9,7]],"date-time":"2016-09-07T22:28:58Z","timestamp":1473287338000},"page":"769-785","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":14,"title":["Mining opinionated product features using WordNet lexicographer files"],"prefix":"10.1177","volume":"43","author":[{"given":"Saif A. 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