1 citations · 1 across the 4 of their papers we have counts for
6 papers
Anomaly Detection in Energy Usage Patterns
Henry Linder, Nalini Ravishanker, Ming-Hui Chen +2
Energy usage monitoring on higher education campuses is an important step for providing satisfactory service, lowering costs and supporting the move to green energy. We present a c…
Spatiotemporal Analysis of Ridesourcing and Taxi Demand by Taxi zones in New York City
Patrick Toman, Jingyue Zhang, Nalini Ravishanker +1
The burst of demand for TNCs has significantly changed the transportation landscape and dramatically disrupted the Vehicle for Hire (VFH) market that used to be dominated by taxica…
Nonlinear Time Series Classification Using Bispectrum-based Deep Convolutional Neural Networks
Paul A. Parker, Scott H. Holan, Nalini Ravishanker
Time series classification using novel techniques has experienced a recent resurgence and growing interest from statisticians, subject-domain scientists, and decision makers in bus…
Topological Data Analysis (TDA) for Time Series
Nalini Ravishanker, Renjie Chen
The study of topology is strictly speaking, a topic in pure mathematics. However in only a few years, Topological Data Analysis (TDA), which refers to methods of utilizing topologi…
Clustering Activity-Travel Behavior Time Series using Topological Data Analysis
Renjie Chen, Jingyue Zhang, Nalini Ravishanker +1
Over the last few years, traffic data has been exploding and the transportation discipline has entered the era of big data. It brings out new opportunities for doing data-driven an…
Efficient Sequential and Parallel Algorithms for Estimating Higher Order Spectra
Abdullah-Al Mamun, Zigeng Wang, Xingyu Cai +2
Polyspectral estimation is a problem of great importance in the analysis of nonlinear time series that has applications in biomedical signal processing, communications, geophysics,…