Search Results for author: Donna M. Rizzo

Found 5 papers, 1 papers with code

TransNAS-TSAD: Harnessing Transformers for Multi-Objective Neural Architecture Search in Time Series Anomaly Detection

1 code implementation29 Nov 2023 Ijaz Ul Haq, Byung Suk Lee, Donna M. Rizzo

The surge in real-time data collection across various industries has underscored the need for advanced anomaly detection in both univariate and multivariate time series data.

Anomaly Detection Computational Efficiency +4

SOMTimeS: Self Organizing Maps for Time Series Clustering and its Application to Serious Illness Conversations

no code implementations26 Aug 2021 Ali Javed, Donna M. Rizzo, Byung Suk Lee, Robert Gramling

We showed that for similar accuracy, the speed-up achieved for SOMTimeS and K-means was 1. 8x on average; however, rates varied between 1x and 18x depending on the dataset.

Clustering Dynamic Time Warping +2

A General Model of Conversational Dynamics and an Example Application in Serious Illness Communication

no code implementations11 Oct 2020 Laurence A. Clarfeld, Robert Gramling, Donna M. Rizzo, Margaret J. Eppstein

In this paper, we describe COnversational DYnamics Model (CODYM) analysis, a novel approach for studying patterns of information flow in conversations.

Cultural Vocal Bursts Intensity Prediction

Analysis of Hydrological and Suspended Sediment Events from Mad River Watershed using Multivariate Time Series Clustering

no code implementations28 Nov 2019 Ali Javed, Scott D. Hamshaw, Donna M. Rizzo, Byung Suk Lee

Additionally, using available meteorological data associated with storm events, we examine the characteristics of computational clusters of storm events in the study watersheds and identify the features driving the clustering approach.

Clustering Time Series +1

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