2021
DOI: 10.1016/j.eswa.2020.113764
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A survey of research hotspots and frontier trends of recommendation systems from the perspective of knowledge graph

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Cited by 101 publications
(43 citation statements)
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References 92 publications
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“…User profiling is a big data processing method for personalized services in the big data environment [9][10][11][12]. rough the mining and refining of massive user data, we can obtain a full picture of users, profile them from different dimensions such as background, characteristics, personality, behavior, and scenario, and connect their needs with services.…”
Section: User Profiling and Personalized Smart Services For Librariesmentioning
confidence: 99%
“…User profiling is a big data processing method for personalized services in the big data environment [9][10][11][12]. rough the mining and refining of massive user data, we can obtain a full picture of users, profile them from different dimensions such as background, characteristics, personality, behavior, and scenario, and connect their needs with services.…”
Section: User Profiling and Personalized Smart Services For Librariesmentioning
confidence: 99%
“…It reflects the amount of information contained in a random variable with respect to other variables Y. Assuming that the marginal probability density function of variable X is P(x), the marginal probability density function of variable Y is P(y), and their joint probability density function is calculated to be P(x, y), the value of mutual information is calculated as shown in Equation (1).…”
Section: Time-related Mrmr Feature Selectionmentioning
confidence: 99%
“…For a long time, network security has been a concern [1,2]. Network security plays a key role in maintaining the security, economic development, and social stability of each country [3][4][5].…”
Section: Introduction 1backgroundmentioning
confidence: 99%
“…Moreover, bibliometrics provides author keyword analysis to provide better current or future research trends, reflecting the recent trends in a particular field [23,24]. Many scholars use bibliometrics to study the development status, hot issues, or future research directions of a topic, such as the field of neuroscience [25] and recommendation systems [26]. Even more exciting topics, for example, multiple risks [27] and emerging interest in water research and collaboration [28], are analyzed through bibliometrics.…”
Section: Introductionmentioning
confidence: 99%