2022
DOI: 10.3390/electronics11040547
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Enhancing Knowledge of Propagation-Perception-Based Attention Recommender Systems

Abstract: Researchers have introduced side information such as social networks or knowledge graphs to alleviate the problems of data sparsity and cold starts in recommendation systems. However, most of the methods ignore the exploration of feature differentiation aspects in the knowledge propagation process. To solve the above problem, we propose a new attention recommendation method based on an enhanced knowledge propagation perception. Specifically, to capture user preferences in a fine-grained manner in a knowledge g… Show more

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Cited by 3 publications
(4 citation statements)
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“…In interaction rate prediction, the top-K learning resources were recommended for learners in the test set for the top-K recommendation task, and the model performance was evaluated by using Precision@K and Recall@K indicators. e algorithm in this paper was compared with recent literature [17][18][19][20]. Figures 7 and 8 show the comparison between Precision@K and Recall@K in top-K services.…”
Section: Results Analysis and Discussionmentioning
confidence: 99%
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“…In interaction rate prediction, the top-K learning resources were recommended for learners in the test set for the top-K recommendation task, and the model performance was evaluated by using Precision@K and Recall@K indicators. e algorithm in this paper was compared with recent literature [17][18][19][20]. Figures 7 and 8 show the comparison between Precision@K and Recall@K in top-K services.…”
Section: Results Analysis and Discussionmentioning
confidence: 99%
“…Its deficiency lies in that it does not use the attention mechanism to improve the information quality at the learning resource end. Similar to literature [17], literature [18] focuses on the learning resource end, integrates the neighbour nodes of learning resources to obtain its embedded representation, and enriches the learner embedded representation without utilizing the information of the knowledge graph. e advantage of literature [19] is that both the learner end and the learning resource end are taken into account.…”
Section: Results Analysis and Discussionmentioning
confidence: 99%
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