January 23 to 25 2019, Santa Clara, USA.

Speaker "Joseph Ross" Details

Name :
joseph ross
Company :
Title :
Data Scientist
Topic :

Incremental-decremental Methods for Time Series Analysis

Abstract :

An incremental-decremental algorithm adds and removes points from a sample/training set in an efficient way - typically with finite memory overhead, and finite computation for each add/remove operation. We will explain some incremental-decremental methods we developed for the purpose of maintaining rolling window statistics. The techniques include a novel representation of a computation as a DAG, and adaptations of ideas from econometrics. As a consequence, we expand the range of anomaly detection, forecasting, and time series classification that can be performed in the streaming setting. Our methods were motivated by use cases from infrastructure monitoring, and certain UX and platform requirements for a data-intensive monitoring product. The talk will provide statistics background and business context.

Profile :
Joe Ross holds a PhD in mathematics from Columbia University and was a researcher and instructor in pure mathematics, most recently at the University of Southern California. He has given more than 20 talks about his research at conferences and universities throughout the world (Germany, Japan, Turkey, USA). He has also been the primary lecturer for many undergraduate and graduate math courses, and has given countless informal seminars. He has 9 publications in peer-reviewed mathematics journals. Joe has worked as a data scientist at machine learning/analytics startups for over four years; in his current role, he focuses on a variety of time series problems (anomaly detection, forecasting, correlation).
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