{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T07:09:10Z","timestamp":1777705750305,"version":"3.51.4"},"reference-count":26,"publisher":"SAGE Publications","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IFS"],"published-print":{"date-parts":[[2022,3,4]]},"abstract":"<jats:p>With the rapid growth of social network users, the social network has accumulated massive social network topics. However, due to the randomness of content, it becomes sparse and noisy, accompanied by many daily chats and meaningless topics, which brings challenges to bursty topics discovery. To deal with these problems, this paper proposes the spatial-temporal topic model with sparse prior and recurrent neural networks (RNN) prior for bursty topic discovering (ST-SRTM). The semantic relationship of words is learned through RNN to alleviate the sparsity. The spatial-temporal areas information is introduced to focus on bursty topics for further weakening the semantic sparsity of social network context. Besides, we introduced the \u201cSpike and Slab\u201d prior to decouple the sparseness and smoothness. Simultaneously, we realized the automatic discovery of social network bursts by introducing the burstiness of words as the prior and binary switching variables. We constructed multiple sets of comparative experiments to verify the performance of ST-SRTM by leveraging different evaluation indicators on real Sina Weibo data sets. The experimental results confirm the superiority of our ST-SRTM.<\/jats:p>","DOI":"10.3233\/jifs-212135","type":"journal-article","created":{"date-parts":[[2021,11,9]],"date-time":"2021-11-09T12:59:29Z","timestamp":1636462769000},"page":"3909-3922","source":"Crossref","is-referenced-by-count":2,"title":["A spatial-temporal topic model with sparse prior and RNN prior for bursty topic discovering in social networks"],"prefix":"10.1177","volume":"42","author":[{"given":"Xiaowei","family":"Zhu","sequence":"first","affiliation":[{"name":"China Mobile Group Shandong Co., Ltd., Jinan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yu","family":"Han","sequence":"additional","affiliation":[{"name":"China Mobile Group Shandong Co., Ltd., Jinan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shichong","family":"Li","sequence":"additional","affiliation":[{"name":"China Mobile Group Shandong Co., Ltd., Jinan, 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