Yozen Liu

schoolSnapbar_chart#3970 Global Rank

Total Papers

HCI Rank

#3970

Research Areas

Years Active

Recent Publications

Reciprocity, Homophily, and Social Network Effects in Pictorial Communication: A Case Study of Bitmoji Sticker

Pictorial emojis and stickers are commonly used in online social communications. We analyzed social communications using Bitmoji stickers, which are expressive pictorial stickers made from avatars resembling actual users. We collect a large-scale dataset of 3 billion Bitmoji stickers' metadata, shared among 300 millio…

CHI '235th+ AuthorMultilingual & Cross-Cultural Voice Interaction +2

Cultural Differences in Friendship Network Behaviors: A Snapchat Case Study

Culture shapes people’s behavior, both online and offline. Surprisingly, there is sparse research on how cultural context affects network formation and content consumption on social media. We analyzed the friendship networks and dyadic relations between content producers and consumers across 73 countries through a cul…

CHI '212nd AuthorAR Navigation & Context Awareness +2

AdverTiming Matters: Examining User Ad Consumption for Effective Ad Allocations on Social Media

Showing ads delivers revenue for online content distributors, but ad exposure can compromise user experience and cause user fatigue and frustration. Correctly balancing ads with other content is imperative. Currently, ad allocation relies primarily on demographics and inferred user interests, which are treated as stat…

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