The adaptive ontology-based personalized recommender system

Sheng-Tzong Cheng, Chih Lun Chou, Gwo Jiun Horng

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Recommender systems provide strategies that help users search or make decisions within the overwhelming information spaces nowadays. They have played an important role in various areas such as e-commerce and e-learning. In this paper, we propose a hybrid recommendation strategy of content-based and knowledge-based methods that are flexible for any field to apply. By analyzing the past rating records of every user, the system learns the user's preferences. After acquiring users' preferences, the semantic search-and-discovery procedure takes place starting from a highly rated item. For every found item, the system evaluates the Interest Intensity indicating to what degree the user might like it. Recommender systems train a personalized estimating module using a genetic algorithm for each user, and the personalized estimating model helps improve the precision of the estimated scores. With the recommendation strategies and personalization strategies, users may have better recommendations that are closer to their preferences. In the latter part of this paper, a real-world case, a movie-recommender system adopting proposed recommendation strategies, is implemented.

Original languageEnglish
Pages (from-to)1801-1826
Number of pages26
JournalWireless Personal Communications
Volume72
Issue number4
DOIs
Publication statusPublished - 2013 Mar 19

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Recommender systems
Ontology
Genetic algorithms
Semantics

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Cheng, Sheng-Tzong ; Chou, Chih Lun ; Horng, Gwo Jiun. / The adaptive ontology-based personalized recommender system. In: Wireless Personal Communications. 2013 ; Vol. 72, No. 4. pp. 1801-1826.
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The adaptive ontology-based personalized recommender system. / Cheng, Sheng-Tzong; Chou, Chih Lun; Horng, Gwo Jiun.

In: Wireless Personal Communications, Vol. 72, No. 4, 19.03.2013, p. 1801-1826.

Research output: Contribution to journalArticle

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