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Chapter and Conference Paper
Beyond Outlier Detection: LookOut for Pictorial Explanation
Why is a given point in a dataset marked as an outlier by an off-the-shelf detection algorithm? Which feature(s) explain it the best? What is the best way to convince a human analyst that the point is indeed a...
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Chapter and Conference Paper
Social-Affiliation Networks: Patterns and the SOAR Model
Given a social-affiliation network – a friendship graph where users have many, binary attributes e.g., check-ins, page likes or group memberships – what rules do its structural properties such as edge or triangle...
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Chapter and Conference Paper
GridWatch: Sensor Placement and Anomaly Detection in the Electrical Grid
Given sensor readings over time from a power grid consisting of nodes (e.g. generators) and edges (e.g. power lines), how can we most accurately detect when an electrical component has failed? More challenging...
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Chapter and Conference Paper
Beyond Assortativity: Proclivity Index for Attributed Networks (ProNe)
If Alice is majoring in Computer Science, can we guess the major of her friend Bob? Even harder, can we determine Bob’s age or sexual orientation? Attributed graphs are ubiquitous, occurring in a wide variety ...