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Improved Feature-Specific Collaborative Filtering Model for the Aspect-Opinion Based Product Recommendation

  • J. SangeethaEmail author
  • V. Sinthu Janita Prakash
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 750)

Abstract

Utilizing the benefits of Internet services for the online purchase and online advertising has increased tremendously in the recent year. Therefore, the customer reviews of the product play a major role in the product sale and effectively describe the features quality. Thus, the large size of words and phrases in an unstructured data is converted into numerical values based on the opinion prediction rule. This paper proposes the Novel Product Recommendation Framework (NPRF) for the prediction of overall opinion and estimates the rating of the product based on the user reviews. Initially, preprocessing the set of large size customer reviews to extract the relevant keywords with the help of stop word removal, PoS tagger, Slicing, and the normalization processes. SentiWordNet library database is applied to categorize the keywords which are in the form of positive and negative based polarity. After extracting the related keywords, the Inclusive Similarity-based Clustering (ISC) method is performed to cluster the user reviews based on the positive and negative polarity. The proposed Improved Feature-Specific Collaborative Filtering (IFSCF) model for the feature-specific clusters is used to evaluate the product strength and weakness and predict the corresponding aspects and its opinions. If the user query is matched with the cache memory then shows the opinion or else extract from the knowledge database. This optimal memory access process is termed as the Memory Management Model (MMM). Then, the overall opinion of the products is determined based on the Novel Product Feature-based Opinion Score Estimation (NPF-OSE) process. Finally, the top quality query result and the recommended solution are retrieved. Thus the devised NPRF method enriches its capability in outperforming other prevailing methodologies in terms of precision, recall, F-measure, RMSE, and the MAE.

Keywords

Customer reviews SentiWordNet Collaborative filtering Aspects Opinions Clustering Memory management model 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Cauvery College for WomenTrichyIndia
  2. 2.Department of Computer ScienceCauvery College for WomenTrichyIndia

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