2019
DOI: 10.1145/3332932
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Time-Sync Video Tag Extraction Using Semantic Association Graph

Abstract: Time-sync comments reveal a new way of extracting the online video tags. However, such time-sync comments have lots of noises due to users' diverse comments, introducing great challenges for accurate and fast video tag extractions. In this paper, we propose an unsupervised video tag extraction algorithm named Semantic Weight-Inverse Document Frequency (SW-IDF). Specifically, we first generate corresponding semantic association graph (SAG) using semantic similarities and timestamps of the time-sync comments. Se… Show more

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Cited by 10 publications
(6 citation statements)
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“…The younger brother is a wanted criminal, and the delivery guy know his identity Another important property of TSCs is interactive. The topic of the latter posted TSCs usually depends on the former, which is similar to the herding mentality effect [10,32,35] in social science. In Fig.…”
Section: Keyframes Commentsmentioning
confidence: 91%
“…The younger brother is a wanted criminal, and the delivery guy know his identity Another important property of TSCs is interactive. The topic of the latter posted TSCs usually depends on the former, which is similar to the herding mentality effect [10,32,35] in social science. In Fig.…”
Section: Keyframes Commentsmentioning
confidence: 91%
“…Recently, given the increasing popularity of video-sharing platforms, video tag recommender systems that recommend high-quality tags to online videos have been developed for YouTube (Parra et al , 2018; Toderici et al , 2010; Wang et al , 2017), Instagram (Li et al , 2019; Wei et al , 2019), Niconico (Sakaji et al , 2016) and Bilibili (Lv et al , 2016; Yang et al , 2019). Most video tag recommender systems utilize the sheer volume of user-contributed videos and comments to enhance their recommendation performance (Lau et al , 2018).…”
Section: Literature Reviewmentioning
confidence: 99%
“…A tag recommender system at this stage utilizes content solely submitted by the video producer, such as text description, audio and video frame (Li et al , 2019). After releasing the video, the comments and time-sync comments generated by video viewers are used as additional data sources for tag recommender systems that seek to refine the initial tags (Sakaji et al , 2016; Yang et al , 2019).…”
Section: Literature Reviewmentioning
confidence: 99%
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