RETRACTED: Data Acquisition Method of Sensor News Based on Collaborative Filtering Algorithm (Retracted Article)

被引：1

作者：

Tong, Jin ^{[1
]}

Sun, Jian ^{[2
]}

机构：

[1] Xian Peihua Univ, Xian 710125, Shaanxi, Peoples R China

[2] Xian Univ Technol, Xian 710048, Shaanxi, Peoples R China

来源：

WIRELESS COMMUNICATIONS & MOBILE COMPUTING | 2022年 / 2022卷

关键词：

RECOMMENDATION; PREDICTION;

D O I：

10.1155/2022/1504454

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

With the vigorous development of new media technologies such as Internet of Things, big data, and cloud computing, data-based sensor news (SN) will become the trend of news reporting in the future and the new normal of news production. Under this background, this paper further analyzes the relationship between SN production mode and traditional news production, including the inheritance of traditional news production value concept, as well as the breakthrough and change in form, media, and effect. In this paper, collaborative filtering (CF) algorithm is improved to solve the problems of data sparseness, user interest migration, and scalability in CF technology. In the calculation of news content similar degree (SD), the influence of part of speech and position of feature words in news is also considered, and the time window is used to establish a model that adapts to the change of user interest with time. In this method, the contribution degree of different attributes to distinguishing users is considered, and the attribute SD between users is accurately calculated, which effectively improves the accuracy of SN data acquisition results.

引用

页数：9

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