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Big Data and Cognitive Computing
Article . 2022 . Peer-reviewed
License: CC BY
Data sources: Crossref
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Big Data and Cognitive Computing
Article . 2022
Data sources: DOAJ
DBLP
Article . 2022
Data sources: DBLP
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Recommendation Algorithm Using SVD and Weight Point Rank (SVD-WPR)

Authors: Triyanna Widiyaningtyas; Muhammad Iqbal Ardiansyah; Teguh Bharata Adji;

Recommendation Algorithm Using SVD and Weight Point Rank (SVD-WPR)

Abstract

One of the most prevalent recommendation systems is ranking-oriented collaborative filtering which employs ranking aggregation. The collaborative filtering study recently applied the ranking aggregation that considers the weight point of items to achieve a more accurate recommended ranking. However, this algorithm suffers in the execution time with an increased number of items. Therefore, this study proposes a new recommendation algorithm that combines the matrix decomposition method and ranking aggregation to reduce the time complexity. The matrix decomposition method utilizes singular decomposition value (SVD) to predict the unrated items. The ranking aggregation method applies weight point rank (WPR) to obtain the recommended items. The experimental results with the MovieLens 100K dataset result in a faster running time of 13.502 s. In addition, the normalized discounted cumulative gain (NDCG) score increased by 27.11% compared to the WP-Rank algorithm.

Keywords

Technology, ranking aggregation, WPR, collaborative filtering, T, SVD

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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
14
Top 10%
Top 10%
Top 10%
gold