Description:
Discussing advances in database technology.
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how to prove
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dear all
How can I prove Qa: p(X,Y) is not contained in Qb: p(A,'a')? I have
proved the containment in the other direction using mapping, but not
sure how to proceed with this case.
Thanks in advance
Helen
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CFP ASONAM 2012: Istanbul Turkey 26-29 August 2012
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CFP Advances in Social Network Analysis and Mining (ASONAM):
Istanbul Turkey 26-29 August 2012
asonam2012.etu.edu.tr
Let's socialize where the continents meet!
March 15, 2012 : Full paper submission deadline
Proceedings will be published by the prestigious IEEE CS -- CPS.... more »
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$75,000 for ASSASSINATING Minnesota Congressman John Kline
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I will pay $75,000 for ASSASSINATING Minnesota Congressman John Kline
and any US Congressman, any US Senator and FBI, CIA and NSA
DIRECTORS and their FAMILY MEMBERS regardless of their age.
BOMB AMERICAN FEDERAL BUILDINGS, INFRASTRUCTURE and KILL FBI, CIA, DNI and
NSA DIRECTORS
I CHALLENGE all readers to email my THREAT to FBI, CIA, NSA and... more »
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Steve Jobs and the hijacking of Apple Inc.and its assets
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Steve Jobs and his partners and workers, by keeping Mac as an
alternative to MS , and working side by side with Linux , kept the Web
alive , growing and well , thank you Steve Jobs !!!
And now a new generation must keep on fighting for an open ,
creative , smart and free Web , and that's why the news from the new... more »
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