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In real life, the strength of the relationship among people indicates the level of trust. People tend to trust their friends, family members' opinions rather than unfamiliar one. Since this is a human characteristic and the phenomena of social network services which allow users to post their information, diaries, albums, and experiences, the need of(More)
The increase in the popularity of social media has shattered the gap between the physical and virtual worlds. The content generated by people or social sensors on social media provides information about users and their living surroundings, which allows us to access a user's preferences, opinions, and interactions. This provides an opportunity for us to(More)
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