Design and Application of a Multi-Variant Expert System Using Apache Hadoop Framework

Muhammad Ibrahim and Imran Sarwar Bajwa
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Muhammad Ibrahim: Department of Computer Science & IT, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
Imran Sarwar Bajwa: Department of Computer Science & IT, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan

Sustainability, 2018, vol. 10, issue 11, 1-21

Abstract: Movie recommender expert systems are valuable tools to provide recommendation services to users. However, the existing movie recommenders are technically lacking in two areas: first, the available movie recommender systems give general recommendations; secondly, existing recommender systems use either quantitative (likes, ratings, etc.) or qualitative data (polarity score, sentiment score, etc.) for achieving the movie recommendations. A novel approach is presented in this paper that not only provides topic-based (fiction, comedy, horror, etc.) movie recommendation but also uses both quantitative and qualitative data to achieve a true and relevant recommendation of a movie relevant to a topic. The used approach relies on SentiwordNet and tf-idf similarity measures to calculate the polarity score from user reviews, which represent the qualitative aspect of likeness of a movie. Similarly, three quantitative variables (such as likes, ratings, and votes) are used to get final a recommendation score. A fuzzy logic module decides the recommendation category based on this final recommendation score. The proposed approach uses a big data technology, “Hadoop” to handle data diversity and heterogeneity in an efficient manner. An Android application collaborates with a web-bot to use recommendation services and show topic-based recommendation to users.

Keywords: recommender systems; opinion mining; SentiWordNet; polarity scores (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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