-
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...
-
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...
-
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...