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JACIII Vol.14 No.6 pp. 631-637
doi: 10.20965/jaciii.2010.p0631
(2010)

Paper:

Recommendation System Using Weighted TF-IDF and Naive Bayes Classifiers on RSS Contents

Incheon Paik* and Hiroshi Mizugai**

*School of Computer Science, University of Aizu, Tsuruga, Ikki-machi, Aizu-Wakamatsu City, Fukushima 965-8580, Japan

**Development Division, Rakuten Co. Ltd., Shinagawa Seaside Rakuten Tower, 4-12-3 Higashishinagawa, Shinagawa-ku, Tokyo 140-0002, Japan

Received:
March 22, 2010
Accepted:
May 25, 2010
Published:
September 20, 2010
Keywords:
recommendation system, RSS, hybrid, Weighted TF-IDF, Naive Bayes classifier
Abstract

A recent increase in RDF Site Summary (RSS) feeds, used for news updates and blogs, has been caused by the widespread use of blogs. This means that much effort is now needed to search the contents of RSS feeds because of this enormous quantity of material. To solve this problem, recommendation systems enable users to obtain relevant RSS contents easily and quickly. In previous research, an RSS recommendation system was proposed that used the similarity between the Term Frequency (TF) of the RSS contents and the TF derived from the contents of the user’s browsing history for RSS feeds. In this paper, we use Term Frequency-Inverse Document Frequency (TF-IDF) calculations to propose a Weighted TF-IDF method, which focuses on the terms folded by the title tags in RSS contents as characteristic terms. In addition, we propose a new recommendation method, which uses a Naive Bayes classifier in a Machine Learning-based approach. Via experiments, we compare the proposed methods and the existing method in a prototype recommendation system, and we show that the proposed methods outperform the existing method with respect to several evaluation measurements.

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Last updated on Apr. 24, 2018