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Stochastic Processes on Graphs: Lear...

Bohannon, Addison W.

Stochastic Processes on Graphs: Learning Representations and Applications.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Stochastic Processes on Graphs: Learning Representations and Applications.
作者:	Bohannon, Addison W.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, 2019
面頁冊數:	157 p.
附註:	Source: Dissertations Abstracts International, Volume: 81-02, Section: B.
附註:	Advisor: Balan, Radu V.
Contained By:	Dissertations Abstracts International81-02B.
標題:	Applied mathematics.
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13859794
ISBN:	9781085614276

Stochastic Processes on Graphs: Learning Representations and Applications.
Bohannon, Addison W.

Stochastic Processes on Graphs: Learning Representations and Applications. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 157 p.

Source: Dissertations Abstracts International, Volume: 81-02, Section: B.

Thesis (Ph.D.)--University of Maryland, College Park, 2019.

This item must not be sold to any third party vendors.

In this work, we are motivated by discriminating multivariate time-series with an underlying graph topology. Graph signal processing has developed various tools for the analysis of scalar signals on graphs. Here, we extend the existing techniques to design filters for multivariate time-series that have non-trivial spatiotemporal graph topologies. We show that such a filtering approach can discriminate signals that cannot otherwise be discriminated by competing approaches. Then, we consider how to identify spatiotemporal graph topology from signal observations. Specifically, we consider a generative model that yields a bilinear inverse problem with an observation-dependent left multiplication. We propose two algorithms for solving the inverse problem and provide probabilistic guarantees on recovery. We apply the technique to identify spatiotemporal graph components in electroencephalogram (EEG) recordings. The identified components are shown to discriminate between various cognitive task conditions in the data.

ISBN: 9781085614276Subjects--Topical Terms:

377601
Applied mathematics.

Stochastic Processes on Graphs: Learning Representations and Applications.
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