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contents
1 Jim Gray
Searching for Jim Gray: A Technical Overview
by Josep h M. Hellerstei n and David L. Tennenhouse
(on be half of a large team of volunteers )
july 2011 | vol. 54 | no. 7 | comm unicati ons of the acm
key insights
-- Loosely coupled teams quickly evolved software polytechtures with varying interfaces, decoupling data acquisition from analysis to enable use of expertise
at a distance.
-- The U.S. Coast Guard developed software to aid search and rescue and is an
interesting potential research partner for computer scientists.
-- New open-source tools and research could help with group coordination, crowdsourced image acquisition, high volume image processing,
ocean drift modeling, and analysis of open-water satellite imagery.
Jim Gray twelve problem (at 1998 turning award talk)
What Next?
A Few Remaining Problems in Information Technology
1.Devise an architecture that scales up by 10^6.
2.The Turing test: win the impersonation game 30% of the time.
a.3.Read and understand as well as a human.
b.4.Think and write as well as a human.
3.Hear as well as a person (native speaker): speech to text.
4.Speak as well as a person (native speaker): text to speech.
5.See as well as a person (recognize).
Illustrate as well as a person (done!) but virtual reality is still a major challenge.
6.Remember what is seen and heard and quickly return it on request.
7.Build a system that, given a text corpus, can answer questions about the text and summarize it as quickly and precisely as a human expert. Then add sounds: conversations, music. Then add images, pictures, art, movies.
8.Simulate being some other place as an observer (Tele-Past) and a participant (Tele-Present).
9.Build a system used by millions of people each day but administered by a ½ time person.
10.Do 15 and prove it only services authorized users.
11.Do 15 and prove it is almost always available: (out less than 1 second per 100 years).
12.Automatic Programming: Given a specification, build a system that implements the spec. Prove that the implementation matches the spec. Do it better than a team of programmers.
http://research.microsoft.com/en-us/um/people/gray/
2pc protocol 7TwoPhaseCommit.ppt
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