no code implementations • 18 Aug 2021 • Kai Zhang, Yushan Jiang, Lee Seversky, Chengtao Xu, Dahai Liu, Houbing Song
Anomaly detection has been a challenging task given high-dimensional multivariate time series data generated by networked sensors and actuators in Cyber-Physical Systems (CPS).
no code implementations • 2 Dec 2019 • Namjoon Suh, Xiaoming Huo, Eric Heim, Lee Seversky
We propose a combined model, which integrates the latent factor model and the logistic regression model, for the citation network.
no code implementations • 3 Oct 2016 • Yao Xie, Lee Seversky
The premise is that when the sketching matrix is a random Gaussian matrix, and the dimension of the sketching vector is sufficiently large, the rank of sample covariance matrix for these sketches equals the rank of the original sample covariance matrix with high probability.
no code implementations • 6 Nov 2015 • Eric Heim, Matthew Berger, Lee Seversky, Milos Hauskrecht
A common way to learn such a model is from relative comparisons in the form of triplets: responses to queries of the form "Is object a more similar to b than it is to c?".