22 citations · 28 across the 2 of their papers we have counts for
2 papers
cs.CL2014★ 6 cited
That's sick dude!: Automatic identification of word sense change across different timescales
Sunny Mitra, Ritwik Mitra, Martin Riedl +3
In this paper, we propose an unsupervised method to identify noun sense changes based on rigorous analysis of time-varying text data available in the form of millions of digitized…
math.ST2014★ 22 cited
Multivariate Analysis of Nonparametric Estimates of Large Correlation Matrices
Ritwik Mitra, Cun-Hui Zhang
We study concentration in spectral norm of nonparametric estimates of correlation matrices. We work within the confine of a Gaussian copula model. Two nonparametric estimators of t…