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28 papers · 1 filter
Social Catalysts: Characterizing People Who Spark Conversations Among Others
Martin Saveski, Farshad Kooti, Sylvia Morelli Vitousek +3
People assume different and important roles within social networks. Some roles have received extensive study: that of influencers who are well-connected, and that of brokers who br…
Causal Network Motifs: Identifying Heterogeneous Spillover Effects in A/B Tests
Yuan Yuan, Kristen M. Altenburger, Farshad Kooti
Randomized experiments, or "A/B" tests, remain the gold standard for evaluating the causal effect of a policy intervention or product change. However, experimental settings, such a…
Popularity Prediction for Social Media over Arbitrary Time Horizons
Daniel Haimovich, Dima Karamshuk, Thomas J. Leeper +2
Predicting the popularity of social media content in real time requires approaches that efficiently operate at global scale. Popularity prediction is important for many application…
The Turing Test for Graph Drawing Algorithms
Helen C. Purchase, Daniel Archambault, Stephen Kobourov +3
Do algorithms for drawing graphs pass the Turing Test? That is, are their outputs indistinguishable from graphs drawn by humans? We address this question through a human-centred ex…
Learning Patterns of Tourist Movement and Photography from Geotagged Photos at Archaeological Heritage Sites in Cuzco, Peru
Nicole D. Payntar, Wei-Lin Hsiao, R. Alan Covey +1
The popularity of media sharing platforms in recent decades has provided an abundance of open source data that remains underutilized by heritage scholars. By pairing geotagged inte…
Keyword Aware Influential Community Search in Large Attributed Graphs
Md. Saiful Islam, Mohammed Eunus Ali, Yong-Bin Kang +2
We introduce a novel keyword-aware influential community query KICQ that finds the most influential communities from an attributed graph, where an influential community is defined…