{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T16:13:06Z","timestamp":1781107986817,"version":"3.54.1"},"reference-count":18,"publisher":"IGI Global Scientific Publishing","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,1]]},"abstract":"<jats:p>With the rapid development of the Internet, the information retrieval model based on the keywords matching algorithm has not met the requirements of users, because people with various query history always have different retrieval intentions. User query history often implies their interests. Therefore, it is of great importance to enhance the recall ratio and the precision ratio by applying query history into the judgment of retrieval intentions. For this sake, this article does research on user query history and proposes a method to construct user interest model utilizing query history. Coordinately, the authors design a model called PLSA-based Personalized Information Retrieval with Network Regularization. Finally, the model is applied into academic information retrieval and the authors compare it with Baidu Scholar and the personalized information retrieval model based on the probabilistic latent semantic analysis topic model. The experiment results prove that this model can effectively extract topics and retrieves back results more satisfied for users' requirements. Also, this model improves the effect of retrieval results apparently. In addition, the retrieval model can be utilized not only in the academic information retrieval, but also in the personalized information retrieval on microblog search, associate recommendation, etc.<\/jats:p>","DOI":"10.4018\/jitr.2019010108","type":"journal-article","created":{"date-parts":[[2018,10,8]],"date-time":"2018-10-08T12:52:20Z","timestamp":1539003140000},"page":"105-116","source":"Crossref","is-referenced-by-count":0,"title":["PLSA-Based Personalized Information Retrieval with Network Regularization"],"prefix":"10.4018","volume":"12","author":[{"given":"Qiuyu","family":"Zhu","sequence":"first","affiliation":[{"name":"School of Information Science and Technology, Beijing Forestry University, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dongmei","family":"Li","sequence":"additional","affiliation":[{"name":"School of Information Science and Technology, Beijing Forestry University, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cong","family":"Dai","sequence":"additional","affiliation":[{"name":"School of Information Science and Technology, Beijing Normal University, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qichen","family":"Han","sequence":"additional","affiliation":[{"name":"School of Engineering Science, University of Chinese Academy of Sciences, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi","family":"Lin","sequence":"additional","affiliation":[{"name":"School of Information Science and Technology, Beijing Forestry University, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2432","reference":[{"key":"JITR.2019010108-0","first-page":"185","author":"P. 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