2019
DOI: 10.1016/j.ipm.2018.12.007
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An impact of time and item influencer in collaborative filtering recommendations using graph-based model

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Cited by 62 publications
(37 citation statements)
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“…In our experiment, we used a pre-processing method that has been extensively used in many research works [12,13,[30][31][32]. In this method, the datasets are randomly divided into training and testing set, which were 80% of the ratings per user as training set and the remaining ratings (20%) as the test set.…”
Section: Experimental Methodologymentioning
confidence: 99%
See 1 more Smart Citation
“…In our experiment, we used a pre-processing method that has been extensively used in many research works [12,13,[30][31][32]. In this method, the datasets are randomly divided into training and testing set, which were 80% of the ratings per user as training set and the remaining ratings (20%) as the test set.…”
Section: Experimental Methodologymentioning
confidence: 99%
“…Moreover, there are drawbacks of CF recommendation systems that need to be addressed in increasing the quality of recommendation and accuracy of the predicted rated. These drawbacks are high dimensionality, data sparsity, and cold-start [9][10][11][12]. Most of the proposed recommender systems in solving drawbacks of CF failed to take action based on both sides of similarity (similarity among users and items) and it was discovered that the amount of time spent in calculating similarity among users or items to produce recommendations was extended.…”
Section: Introductionmentioning
confidence: 99%
“…Collaborative filtering is used to compare profiles of users in predicting possible interests of users based on similarity of preferences of ratings on items [ 22 ], while similarity measurement methods, such as the Pearson correlation coefficient, are also used to identify users based on ratings [ 23 ]. Furthermore, predicting users’ preferences can be identified using graph-based approaches and purchase time information [ 24 ].…”
Section: Related Workmentioning
confidence: 99%
“…Therefore, Nzeko'O et al (Nzeko'O et al 2017) presented Time Weight Content-based STG to calculate the weightings of the edges based on their ages. Finally, Najafabadi et al (2019) proposed an algorithm that incorporates the visiting time into the graph structure and uses a hybrid CF algorithm to suggest top-N items to the users.…”
Section: Introductionmentioning
confidence: 99%