A dynamic multi-level collaborative filtering method for improved recommendations

Nikolaos Polatidis, Christos K. Georgiadis

Research output: Contribution to journalArticle

Abstract

One of the most used approaches for providing recommendations in various online environments such as e-commerce is collaborative filtering. Although, this is a simple method for recommending items or services, accuracy and quality problems still exist. Thus, we propose a dynamic multi-level collaborative filtering method that improves the quality of the recommendations. The proposed method is based on positive and negative adjustments and can be used in different domains that utilize collaborative filtering to increase the quality of the user experience. Furthermore, the effectiveness of the proposed method is shown by providing an extensive experimental evaluation based on three real datasets and by comparisons to alternative methods.
Original languageEnglish
Pages (from-to)14-21
JournalComputer Standards & Interfaces
Volume51
DOIs
Publication statusPublished - 5 Nov 2016

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