4 papers
Anomaly Detection in Partially Observed Traffic Networks
Elizabeth Hou, Yasin Yilmaz, Alfred Hero
This paper addresses the problem of detecting anomalous activity in traffic networks where the network is not directly observed. Given knowledge of what the node-to-node traffic in…
Sequential Maximum Margin Classifiers for Partially Labeled Data
Elizabeth Hou, Alfred O. Hero
In many real-world applications, data is not collected as one batch, but sequentially over time, and often it is not possible or desirable to wait until the data is completely gath…
Online Diversion Detection in Nuclear Fuel Cycles via Multimodal Observations
Yasin Yilmaz, Elizabeth Hou, Alfred O. Hero
In nuclear fuel cycles, an enrichment facility typically provides low enriched uranium (LEU) to a number of customers. We consider monitoring an enrichment facility to timely detec…
Diversion Detection in Partially Observed Nuclear Fuel Cycle Networks
Elizabeth Hou, Yasin Yılmaz, Alfred O. Hero
A nuclear fuel cycle contains several facilities with different purposes such as mining, conversion, enrichment, and fuel rod fabrication. These facilities form a network, which is…