作者: Young-Hwan Lee , Sang-Wook Kang , Soo-Yeoun Yoon , Sang-Wook Cho , Sung-Bin Im
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摘要: The present invention relates to a method and device for transmitting/receiving information on TV broadcast content via network. the social network-based sharing of involves, in an environment providing related plurality users network, receiving check-in request service from user, real-time almost instantly checking which user checked in, relation accessible