228 citations · 813 across the 67 of their papers we have counts for
3 papers · 2 filters
Temporal Opinion Spam Detection by Multivariate Indicative Signals
Junting Ye, Santhosh Kumar, Leman Akoglu
Online consumer reviews reflect the testimonials of real people, unlike advertisements. As such, they have critical impact on potential consumers, and indirectly on businesses. Acc…
Fast Memory-efficient Anomaly Detection in Streaming Heterogeneous Graphs
Emaad A. Manzoor, Sadegh Momeni, Venkat N. Venkatakrishnan +1
Given a stream of heterogeneous graphs containing different types of nodes and edges, how can we spot anomalous ones in real-time while consuming bounded memory? This problem is mo…
Scalable Anomaly Ranking of Attributed Neighborhoods
Bryan Perozzi, Leman Akoglu
Given a graph with node attributes, what neighborhoods are anomalous? To answer this question, one needs a quality score that utilizes both structure and attributes. Popular existi…