MD Online Streaming & Sketching
Working Group leaders: Petros Drineas, Ilse Ipsen, and Michael Mahoney
Webmasters: John Holodnak and Kevin Penner
Purpose:
Development and analysis of fast randomized algorithms for computing leverage scores, and their application
Preliminary, Partial List of Topics:
Approximating leverage scores for L2 and other regression problems:
Online, streaming, incremental streaming algorithms
Numerical analysis:
Sensitivity of leverage scores, numerical stability of algorithms
Applications in astronomy:
Characterization of streaming & time dependent aspects of low rank approximations
Incremental computation of leverage scores
Applications in feature selection:
How to distinguish among almost identical columns with high leverage scores (RRQR
factorization, clustering)
Derivation of formal bounds
Meeting - May 2
Topic: Online Streaming and Sketching
Date: Thursday, May 2, 2013
Room: SAMSI 203
Time: 11:00 am, Eastern Daylight Time (New York, GMT-04:00)
Meeting Number: 686 119 902
Meeting Password: Data23
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To join the online meeting (Now from mobile devices!)
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1. Go to https://samsi.webex.com/samsi/j.php?ED=148482557&UID=1168321192&PW=NMjUy...
2. If requested, enter your name and email address.
Slides for talk on 18 April: Introduction to subset selection
Working Group Information
Recent Comments
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David Lawlor
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Slides from today's meeting
3 years 12 weeks ago
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Naomi Altman
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Asymptotic Leverage
3 years 22 weeks ago
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Ilse Ipsen
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Robust and streaming PCA
3 years 29 weeks ago
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Ilse Ipsen
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Naive learning of low-rank model
3 years 29 weeks ago
Active Documents
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May 2, 2013 - 11:00am - 1:00pm
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January 3, 2013 - 11:00am - 1:00pm
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Ilse Ipsen