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Syst."],"published-print":{"date-parts":[[2023,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Aiming at the problems of traditional point of interest (POI), such as sparse data, lack of negative feedback, and dynamic and periodic changes of user preferences, a POI recommendation method using deep learning in location-based social networks (LBSN) considering privacy protection is proposed. First, the idea of Embedding is used to quantify the user information, friend relationship, POI information, and so on, so as to obtain the internal relationship of the location. Then, based on the user's history and current POI check-in sequence set, the long- and short-term attention mechanism (LSA) is constructed, and the quantified information is used as the input of LSA to better capture the user's long-term and short-term preferences. Finally, the social network information and semantic information are fitted in different input layers, and the time and geographical location information of user's historical behavior are used to recommend the next POI for users. Gowalla and Brightkite datasets are used to demonstrate the proposed method. The results show that the performance of the proposed method is better than other comparison methods under different sparsity, location sequence length, and embedding length. When the number of iterations is 500, the recommended method tends to be stable, and the accuracy is 0.27. Moreover, the recommendation time of the proposed method is less than 130\u00a0ms, which is better than other comparative deep learning methods.<\/jats:p>","DOI":"10.1007\/s40747-021-00440-8","type":"journal-article","created":{"date-parts":[[2021,6,23]],"date-time":"2021-06-23T12:02:46Z","timestamp":1624449766000},"page":"2801-2812","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["POI recommendation method using LSTM-attention in LBSN considering privacy protection"],"prefix":"10.1007","volume":"9","author":[{"given":"Kun","family":"Wang","sequence":"first","affiliation":[]},{"given":"Xiaofeng","family":"Wang","sequence":"additional","affiliation":[]},{"given":"Xuan","family":"Lu","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2021,6,23]]},"reference":[{"issue":"6","key":"440_CR1","doi-asserted-by":"publisher","first-page":"1219","DOI":"10.1007\/s11390-018-1883-7","volume":"33","author":"TY Qian","year":"2018","unstructured":"Qian TY, Liu B, Hong L et al (2018) Time and location aware points of interest recommendation in location-based social networks. 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