International Journal of Modern Engineering and Research Technology Volume 5 | Issue 3 | July 2018 239 ABSTRACT ACT ACT Now a day’s internet is most important and valuable source of learning, getting ideas as well as review also. In internet we can find any product and its reviews that it is positive or negative and use full information. This has inspired research in product rating opinion mining and sentiment analysis to develop methods for automatically detecting emotions, opinions, and other evaluations from texts. Many methods of sentiment analysis for reviews like lexicon based sentiment analysis, machine learning based sentiment analysis, supervised and unsupervised sentiment analysis are under research. Online shopping is the most comfortable way to shop in this new world of technology. Here we are interested in product rating. In product rating most of the researches are focused on sentiment or opinion oriented product rating. People post reviews after buying the products and rate it in the scale of 1 to 5.Specific model of product is available in different online retailers. Always it seems that different online retailer shows different rating for same model of product. It is very difficult to determine actual rating of product. So unified rating based on multiple online retailers is presented here. Keywords:— PWAR-Proposed Weighted Average Rating, OR - Online Retailer, AVGR- Average rating, C -Credibility Score, SEO- Search engine optimization I. I I. I I. INTRODUCTION NTRODUCTION NTRODUCTION Online shopping websites have shown immense growth in their popularity over the last few years. People find online shopping a more convenient platform for advertising and purchasing of products. Often, consumers purchase products from an online retailer and later remark about it by posting outcomes of the products in the form of Ratings and Reviews. 1.1 Introduction to Product Rating A product rating is often a value assigned by the consumer to elicit the information about the product quality or product performance. Rating can be numeric, graphic or descriptive. A numeric rating system is the simplest one, where a rater marks a number to A Novel Approach to Enhance Rating of Product Review Using A Novel Approach to Enhance Rating of Product Review Using A Novel Approach to Enhance Rating of Product Review Using Multiple Online Retailers Multiple Online Retailers Multiple Online Retailers Website: http://www.ijmert.org Email: editor.ijmert@gmail.com Volume 5, Issue 3, July 2018 ISSN: 2348-8565 (Online) International Journal of Modern Engineering and Research Technology Sunil Kispotta M.Tech Research Scholar Computer Science & Engineering Shri Ram Institute of Science & Technology Jabalpur (M.P.) [INDIA] Email: skispotta@jecjabalpur.ac.in Nagendra Kumar M.Tech Research Scholar Computer Science & Engineering Shri Ram Institute of Science & Technology Jabalpur (M.P.) [INDIA] Saurabh Singh Assistant Professor Department of Computer Science & Engineering Jabalpur (M.P.) [INDIA] Email: ssingh@jecjabalpur.ac.in