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cs.SI2018
Any-k: Anytime Top-k Tree Pattern Retrieval in Labeled Graphs
Xiaofeng Yang, Deepak Ajwani, Wolfgang Gatterbauer +3
Many problems in areas as diverse as recommendation systems, social network analysis, semantic search, and distributed root cause analysis can be modeled as pattern search on label…
cs.SI2015
Profiling user activities with minimal traffic traces
Tiep Mai, Deepak Ajwani, Alessandra Sala
Understanding user behavior is essential to personalize and enrich a user's online experience. While there are significant benefits to be accrued from the pursuit of personalized s…
cs.SI2015
Phantom cascades: The effect of hidden nodes on information diffusion
Václav Belák, Afra Mashhadi, Alessandra Sala +1
Research on information diffusion generally assumes complete knowledge of the underlying network. However, in the presence of factors such as increasing privacy awareness, restrict…