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However, research regarding the quality of care of these postpartum care centres is nearly missing from the literature. This paper investigated the status quo of the postpartum care centres in Shanghai, China from mothers\u2019 perspectives by means of analysing the 34280 pairs of ratings and reviews posted by postpartum care centre customers on the internet with machine learning and text mining. Results show that the mothers are generally satisfied with the studied care centres. Meanwhile, the 13 major topics in the customer online reviews were identified, which provide an overview of the interaction between a mother and a care centre. In addition, weight of topic analysis suggests that the studied care centres can further improve in the areas of support team, environment, and facility.<\/jats:p>","DOI":"10.3233\/jifs-189726","type":"journal-article","created":{"date-parts":[[2021,3,2]],"date-time":"2021-03-02T13:03:12Z","timestamp":1614690192000},"page":"4661-4668","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Topic modelling and opinion mining of user generated content on the internet using machine learning: An analysis of postpartum care centres in Shanghai"],"prefix":"10.1177","volume":"41","author":[{"given":"Susan (Sixue)","family":"Jia","sequence":"first","affiliation":[{"name":"School of Finance and Business, Shanghai Normal University, Shanghai, China"}]},{"given":"Banggang","family":"Wu","sequence":"additional","affiliation":[{"name":"Business School, Sichuan University, Chengdu, Sichuan, China"}]}],"member":"179","published-online":{"date-parts":[[2021,2,26]]},"reference":[{"key":"e_1_3_1_2_2","doi-asserted-by":"publisher","DOI":"10.1093\/intqhc\/14.5.393"},{"key":"e_1_3_1_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.infbeh.2009.10.005"},{"key":"e_1_3_1_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.bpobgyn.2013.09.002"},{"key":"e_1_3_1_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.midw.2017.10.019"},{"key":"e_1_3_1_6_2","doi-asserted-by":"publisher","DOI":"10.1177\/0884217505278294"},{"key":"e_1_3_1_7_2","doi-asserted-by":"publisher","DOI":"10.1080\/08038740.2010.498766"},{"key":"e_1_3_1_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jad.2014.12.041"},{"key":"e_1_3_1_9_2","doi-asserted-by":"publisher","DOI":"10.1186\/1472-6963-8-203"},{"key":"e_1_3_1_10_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1475-3588.2011.00639.x"},{"key":"e_1_3_1_11_2","doi-asserted-by":"publisher","DOI":"10.1080\/10376178.2017.1389615"},{"key":"e_1_3_1_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jad.2008.11.002"},{"key":"e_1_3_1_13_2","doi-asserted-by":"publisher","DOI":"10.1186\/1471-2458-10-103"},{"key":"e_1_3_1_14_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-2648.2003.02534.x"},{"key":"e_1_3_1_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.midw.2011.10.003"},{"key":"e_1_3_1_16_2","doi-asserted-by":"publisher","DOI":"10.1186\/1471-2458-12-791"},{"key":"e_1_3_1_17_2","first-page":"37","article-title":"Women\u2019s participation to economic activities before and after delivery and use of postpartum care center","volume":"11","author":"Seo S.-Y.","year":"2017","unstructured":"SeoS.-Y., Women\u2019s participation to economic activities before and after delivery and use of postpartum care center, Health Serv Manag Rev11 (2017), 37\u201345.","journal-title":"Health Serv Manag Rev"},{"key":"e_1_3_1_18_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2702.2009.03065.x"},{"key":"e_1_3_1_19_2","doi-asserted-by":"publisher","DOI":"10.1080\/07399330590917771"},{"key":"e_1_3_1_20_2","doi-asserted-by":"publisher","DOI":"10.1002\/nur.20306"},{"key":"e_1_3_1_21_2","unstructured":"Dianping.com. 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