{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T14:38:01Z","timestamp":1779892681021,"version":"3.53.1"},"reference-count":47,"publisher":"Walter de Gruyter GmbH","issue":"3","license":[{"start":{"date-parts":[[2023,8,1]],"date-time":"2023-08-01T00:00:00Z","timestamp":1690848000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,8,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>Nowadays, public opinions during public emergencies involve not only textual contents but also contain images. However, the existing works mainly focus on textual contents and they do not provide a satisfactory accuracy of sentiment analysis, lacking the combination of multimodal contents. In this paper, we propose to combine texts and images generated in the social media to perform sentiment analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design\/methodology\/approach<\/jats:title>\n                    <jats:p>We propose a Deep Multimodal Fusion Model (DMFM), which combines textual and visual sentiment analysis. We first train word2vec model on a large-scale public emergency corpus to obtain semantic-rich word vectors as the input of textual sentiment analysis. BiLSTM is employed to generate encoded textual embeddings. To fully excavate visual information from images, a modified pretrained VGG16-based sentiment analysis network is used with the best-performed fine-tuning strategy. A multimodal fusion method is implemented to fuse textual and visual embeddings completely, producing predicted labels.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Findings<\/jats:title>\n                    <jats:p>We performed extensive experiments on Weibo and Twitter public emergency datasets, to evaluate the performance of our proposed model. Experimental results demonstrate that the DMFM provides higher accuracy compared with baseline models. The introduction of images can boost the performance of sentiment analysis during public emergencies.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Research limitations<\/jats:title>\n                    <jats:p>In the future, we will test our model in a wider dataset. We will also consider a better way to learn the multimodal fusion information.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Practical implications<\/jats:title>\n                    <jats:p>We build an efficient multimodal sentiment analysis model for the social media contents during public emergencies.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Originality\/value<\/jats:title>\n                    <jats:p>We consider the images posted by online users during public emergencies on social platforms. The proposed method can present a novel scope for sentiment analysis during public emergencies and provide the decision support for the government when formulating policies in public emergencies.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.2478\/jdis-2023-0012","type":"journal-article","created":{"date-parts":[[2023,6,13]],"date-time":"2023-06-13T03:37:30Z","timestamp":1686627450000},"page":"61-87","source":"Crossref","is-referenced-by-count":11,"title":["Multimodal sentiment analysis for social media contents during public emergencies"],"prefix":"10.2478","volume":"8","author":[{"given":"Tao","family":"Fan","sequence":"first","affiliation":[{"name":"School of Information Management, Nanjing University , Nanjing , China"},{"name":"School of Economics and Management, Nanjing University of Science and Technology , Nanjing , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hao","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Information Management, Nanjing University , Nanjing , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peng","family":"Wu","sequence":"additional","affiliation":[{"name":"School of Economics and Management, Nanjing University of Science and Technology , Nanjing , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chen","family":"Ling","sequence":"additional","affiliation":[{"name":"School of Economics and Management, Nanjing University of Science and Technology , Nanjing , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Milad Taleby","family":"Ahvanooey","sequence":"additional","affiliation":[{"name":"School of Information Management, Nanjing University , Nanjing , China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"374","published-online":{"date-parts":[[2023,8,25]]},"reference":[{"key":"2026020518334844680_j_jdis-2023-0012_ref_001","doi-asserted-by":"crossref","unstructured":"Abdi, A., Shamsuddin, S. 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