3 papers
cs.LG2021
Detecting Anomalies Through Contrast in Heterogeneous Data
Debanjan Datta, Sathappan Muthiah, Naren Ramakrishnan
Detecting anomalies has been a fundamental approach in detecting potentially fraudulent activities. Tasked with detection of illegal timber trade that threatens ecosystems and econ…
cs.CY2016
EMBERS at 4 years: Experiences operating an Open Source Indicators Forecasting System
Sathappan Muthiah, Patrick Butler, Rupinder Paul Khandpur +15
EMBERS is an anticipatory intelligence system forecasting population-level events in multiple countries of Latin America. A deployed system from 2012, EMBERS has been generating al…
cs.LG2016
Hierarchical Quickest Change Detection via Surrogates
Prithwish Chakraborty, Sathappan Muthiah, Ravi Tandon +1
Change detection (CD) in time series data is a critical problem as it reveal changes in the underlying generative processes driving the time series. Despite having received signifi…