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Vijay Saraswat
Works at IBM
Attended Carnegie Mellon University
361 followers|28,127 views
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Vijay Saraswat

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Mohan, here is a useful new paper in the space you have been talking about.
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Vijay Saraswat

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How the Internet is accelerating mathematical progress, or, going beyond MOOCs...

There is a lovely story in Wired magazine that showed up on my FB page. 

http://www.wired.com/wiredscience/2013/11/prime/all/

People may recall that on April 17, an unknown lecture at U New Hampshire shocked the mathematical world by establishing that there is a number N <= 70 000 000 s.t. that there are infinitely many pairs of primes whose difference is N. This was the first proof that infinitely many primes come in pairs. 

Terence Tao, a Field Medalist at UCLA, then proposed a polymath project, polymath8 (http://polymathprojects.org/2013/06/04/polymath-proposal-bounded-gaps-between-primes/#comments) for mathematicians (and computer scientists!) from all over the world to collaborate on reducing this bound. In just five months, the bound was reduced to 4 680!

Just to establish that the Lone Mathematician still has a role to play, three days ago a post doctoral researcher from U Montreal sent in a preprint to arXiv reducing the number to 600!

The polymath idea is interesting! What is fascinating to me is that a whole lot of advanced mathematics is now happening collaboratively, in the open blogosphere, involving people who may not even have known about each other before they started collaborating online.

It seems that a new area of Massively Open Online Research has begun, at least in math. Wonder which other areas of research would be able to sustain this (without running afoul of credit / intellectual property / ....)
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Vijay Saraswat

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We are hiring -- Research Staff Members and Research Engineers in the Programming Models and Tools Department at IBM TJ Watson! Seriously, this is a great time to join our group...
The successful candidate will have a PhD in Computer Science or related areas and will have expertise in one or more of the following areas: concurrency, multi-core, static analysis, programming langu...
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Nice.
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Vijay Saraswat

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Nice. Thanks for the link, +Francesca Rossi
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Vijay Saraswat

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Dr. Viveck Atheya originally shared:
 
Anevent to remember
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Vijay Saraswat

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Deadlines are the single most important boost to productivity invented by humanity.
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Ha ha!. Yes. Been there, done that. It reminds me of my gym routine in Poughkeepsie which was an annual exercise. I used to go to the gym once a year - to renew my membership.
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Vijay Saraswat

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Statistical methods strike again ... Fernando, do you have specific papers to recommend in this space?

Towards Open-domain Spoken Dialogue Systems
Speaker: Steve Young
Speaker Affiliation: Cambridge University
Host: Jim Glass and Victor Zue
Host Affiliation: MIT CSAIL
 
Date: Monday, October 28, 2013
Time:  4:30 PM to 5:30 PM
Refreshments Time: 4:15 PM
Location: 32-155

In contrast to traditional rule-based approaches to building spoken dialogue systems, recent research has shown that it is possible to implement all of the required functionality using statistical models trained using a combination of supervised learning and reinforcement learning. This new approach to spoken dialogue is based on the mathematics of partially observable Markov decision processes (POMDPs) in which user inputs are treated as observations of some underlying belief state, and system responses are determined by a policy which maps belief states into actions.

Virtually all current spoken dialogue systems are designed to operate in a specific carefully defined domain such as restaurant information, appointment booking, product installation support, etc. However, if voice is to become a significant input modality for accessing web-based information and services, then techniques will be needed to enable spoken dialogue systems to operate within open domains.

The first part of the talk will briefly review the basic ideas of POMDP dialogue systems as currently applied to closed-domains. Unlike many other areas of machine learning, spoken dialogue systems always have a user on-hand to provide supervision. Based on this idea, the second part of the talk describes a number of techniques by which implicit user supervision can allow a spoken dialogue system to adapt on-line to extended domains.
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Vijay Saraswat

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The Asynchronous Partitioned Global Address Space Model. Vijay Saraswat ... the same code – however, in practice, many MPI programs ...
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Vijay Saraswat

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If you read just one article about Facebook's new Graph Search, you have to read the Wired article by +Steven Levy. He was given early access to the developers and demos of the product. Other posts and articles generally restate what was said and shown publicly by Facebook today. This one's unique. Highly recommended.

Reshare if you like it...

(Updated to be less disparaging to other articles, thanks to a comment by +Matt McGee)
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Vijay Saraswat

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Rahul Dravid, my hero, retired yesterday. A legend of cricket and a very fine man.
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Rahul has consistently handled himself with a lot of class. Will miss him.
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Vijay Saraswat

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A very cool talk, thanks for sharing, +Michael Grinich

Two halves -- the first is about Bret's UI work on the principle that a designer must be able to "see" (instantly) that which he is creating. Should appeal to all the programming by example, UI, constraints based graphics folks.

But the deeper stuff is the second half where he suggests a "social activist" approach to techiedom. Organizing your technical work around a few principles. Classic slide of +Larry Tessler licence plate and twitter tag.
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Work
Occupation
(read; think;write)*
Employment
  • IBM
    Research Staff Member and Manager, 2003 - present
  • Pennsylvania State University
    Professor, 2002 - 2003
  • Kirusa Inc
    VP Engineering, 2001 - 2002
  • Vayusphere
    CTO, 2000 - 2001
  • AT&T
    Technical Leader, 1996 - 2000
  • PARC
    Research Staff Member, 1987 - 1996
  • Carnegie Group Inc
    ??, 1986 - 1987
Basic Information
Gender
Male
Other names
vas, 41
Story
Tagline
{thinker, child, parent, spouse, sibling, friend, collaborator,cricketer}
Introduction
From Xavier's Jaipur (77), IIT Kanpur (82), CMU (89).
Bragging rights
{Shuchi, Rit, Chit}, opened bowling attack for Rajasthan ('76 Cooch-Behar).
Education
  • Carnegie Mellon University
    Computer Science, 1982 - 1986
  • Indian Institute of Technology Kanpur
    Electrical Engineering, 1977 - 1982
  • St Xaviers High School Jaipure
    1973 - 1977
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