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Knowledge graph-based recommendation system enhanced by neural collaborative filtering and knowledge graph embedding
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DOI：10.1016/j.asej.2023.102263.png)
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Abstract
En 中文
Recommendation systems are an important and undeniable part of modern systems and applications. Recommending items and users to the users that are likely to buy or interact with them is a modern solu-tion for AI-based applications. In this article, a novel architecture is used with the utilization of pre -trained knowledge graph embeddings of different approaches. The proposed architecture consists of sev-eral stages that have various advantages. In the first step of the proposed method, a knowledge graph from data is created, since multi-hop neighbors in this graph address the ambiguity and redundancy problems. Then knowledge graph representation learning techniques are used to learn low -dimensional vector representations for knowledge graph components. In the following a neural collabo-rative filtering framework is used which benefits from no extra weights on layers. It is only dependent on matrix operations. Learning over these operations uses the pre-trained embeddings, and fine-tune them. Evaluation metrics show that the proposed method is superior in over other state-of-the-art approaches. According to the experimental results, the criteria of recall, precision, and F1-score have been improved, on average by 3.87%, 2.42%, and 6.05%, respectively.(c) 2023 The Authors. Published by Elsevier BV on behalf of Faculty of Engineering, Ain Shams University. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Keywords:
Social tagging systems
Recommender systems
Collaborative filtering
Knowledge graph
Neural collaborative filtering
Knowledge graph representation learning
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