Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/154748
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dc.contributor.authorSie, Shun-Hongen_US
dc.contributor.authorKe, Hao-Renen_US
dc.contributor.authorChang, Su-Bingen_US
dc.date.accessioned2022-01-06T05:07:52Z-
dc.date.available2022-01-06T05:07:52Z-
dc.date.issued2021-
dc.identifier.citationSie, S., Ke, H. & Chang, S. (2021). Using face detection in photographs and cluster analysis to support exploration of social relationships between historical personages in a biographical database. Library and Information Science Research E-Journal, 31(1), 42-55. https://dx.doi.org/10.32655/LIBRES.2021.1.4en_US
dc.identifier.issn1058-6768en_US
dc.identifier.urihttps://hdl.handle.net/10356/154748-
dc.description.abstractBackground. The Taiwan Biographical Database (TBDB) assembles biographical information of historical personages in Taiwan. It is a digital-humanities-oriented system that supports relational database operations, fulltext search, social network analysis, and geographic information system functions. Objectives.Through semi-automatic named entity recognition from the fulltext of biographies, TBDB assists historians to construct networks of social relationships. However, the fulltext of biographies may not describe all social relationships. Taking advantage of the fact that historical photographs were usually taken on formal occasions, historical photographs may be exploited to uncover additional relationships. This paper describes and evaluates a face detection function in TBDB that utilizes the OpenCV Library to detect faces of historical persons in old photographs. Furthermore, it employs hierarchical agglomerative clustering to combine fragmentary social networks. Results. An experiment using 45 historical photographs found that the face detection function achieved an average recall of 98% recall, but with low precision. To address the low precision rate, a user interface has been implemented in TBDB to facilitate review and deletion of false-positive faces in the photographs. Furthermore, cluster analysis is used to integrate social relationships found in biographies, those detected from historical photographs, and even relationships harvested from external sources, to produce comprehensive social networks for historical research.en_US
dc.language.isoenen_US
dc.relation.ispartofLibrary and Information Science Research E-Journalen_US
dc.rights© 2021 Shun-Hong Sie, Hao-Ren Ke and Su-Bing Chang. All rights reserved.en_US
dc.subjectLibrary and information scienceen_US
dc.titleUsing face detection in photographs and cluster analysis to support exploration of social relationships between historical personages in a biographical databaseen_US
dc.typeJournal Articleen
dc.contributor.organizationNational Taiwan Normal Universityen_US
dc.identifier.doi10.32655/LIBRES.2021.1.4-
dc.description.versionPublished versionen_US
dc.identifier.issue1en_US
dc.identifier.volume31en_US
dc.identifier.spage42en_US
dc.identifier.epage55en_US
dc.description.acknowledgementThis work is a partial result of a project funded by the Ministry of Science and Technology (MOST 107-2410-H-003-142 -MY2).en_US
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