Content-Based Collaborative Filtering With Predictive Error Reduction-Based CNN Using IPU Model

Content-Based Collaborative Filtering With Predictive Error Reduction-Based CNN Using IPU Model

Chakka S. V. V. S. N. Murty, G. P. Saradhi Varma, Chakravarthy A. S. N.
Copyright: © 2022 |Pages: 19
DOI: 10.4018/IJISP.308309
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Abstract

Recommender systems (RS) are strong tools for addressing the internet networking overload problems by considering past user ratings on multiple items with auxiliary data and suggests the better item to the end user. Traditional collaborative filtering (CF) and content-based methods were identified the interaction or correlation between users and the items. But they have failed to identify the join user-item interactions and suffering from incomplete cold start (ICS) and complete cold start (CCS) issues. To address the deficiencies of CF-based approaches, this article offers a novel deep learning based error predictions method along with CF based user-item interactions. Initially, incentivized/penalized user-based content-based collaborative filtering (IPU-CBCF) method is introduced for learning low-dimensional vectors of users and items, separately. The simulation results shows that IPU-CBCF using PER-CNN resulted in better performance as compared to the conventional approaches for all performance metrics like F1-score, recall, and precision, respectively.
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Introduction

In the last 20 years, RSs have been increasingly important in the development of various businesses like e-commerce. A user may access to bulk information and items, through e-commerce platforms. on the other hand, this bulk information frequently functions as a barrier to the user gaining access to what they require, so they can’t be able to select the item on time, which makes to loss to the e-commerce. E-commerce refers to the buying and selling of goods and services, and the transmission of funds and data, over an electronic network, more commonly the internet. Business-to-business, business-to-consumer, consumer-to-consumer, and consumer-to-business transactions all are feasible. The goal of recommenders is to provide a meaningful and condensed collection of information that meets the user's requirements and needs (Kulkarni et al., 2020). It seems reasonable that the system includes certain filtering, grouping, and scoring procedures in order to provide the user with the most relevant information. RSs are most often seen on e-commerce platforms (Frémal et al., 2017) like Amazon, eBay, and Flipkart. These provide a more limited, more relevant list of items than a manual search, and they are more likely to assist a buyer in making an item purchasing decision. Entertainment recommenders, whether in the movie, book, or music domains, are well-known to users. The effectiveness of an entertainment recommender is critical for maintaining a user's interest in the platform, as the site's primary goal is to consistently engage the user with appealing alternatives (Ma et al., 2017). Netflix is an online movie streaming service, which places a high value on its recommendation system with customers receiving recommendations for around two-thirds of the films they watch. Users raise their click-through rate by 38% thanks to Google News' suggestions. Amazon credits 35% of its sales to recommendations, while a poll conducted by Choice Stream found that 28% of customers would be prepared to buy more music if they were given a suitably suggested pleasurable alternative (Chowdhury et al., 2018). Recommenders have a variety of functions. Some systems may merely strive to expose numerous articles in order to broaden a user's perspectives by providing varied ideas for a fun experience. Some systems are designed to help businesses increase profits by proposing items that customers are more likely to buy. Users are less inclined to buy and commit to “new,” unseen items when they are recommended, according to studies. Modeling recommendation systems may be done in a variety of ways. A recommender system, also known as a recommendation engine, is a type of information filtering system which attempts to predict a user's ranking or preference for a given product. Recommender systems use a technique called collaborative filtering. The collaborative filtering approach is based on the assumption that even if two people have the same opinion on an issue, A is much more likely to share B's opinion on a different issue than a chosen at random person. The use of domains and the features included in them are important factors in selecting the technique of choice. Social-based and trust-aware models are compared using social information-based RSs. In recommender models, trust connections are built on one-sided assessments of other user suggestions. Social interactions, on the other hand, rely on reciprocal touch and communication. By decomposing the user-item matrix using rating values, matrix factorization in RSs allows users and items to recognize implicit linkages and characteristics. This can help forecast how other items will be rated. A linear regression component mixed with a matrix factorization component is used in classification and regression-based RSs to determine a final rating for each item relating to the user. (U. Liji,et al, 2018)

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