10492 search results - page 1881 / 2099 » Challenges of Grid Computing |
147
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WWW
2009
ACM
16 years 5 months ago
2009
ACM
Ad auctions in sponsored search support"broad match"that allows an advertiser to target a large number of queries while bidding only on a limited number. While giving mo...
160
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WWW
2008
ACM
16 years 5 months ago
2008
ACM
Web search engines are facing formidable performance challenges due to data sizes and query loads. The major engines have to process tens of thousands of queries per second over t...
139
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WWW
2004
ACM
16 years 5 months ago
2004
ACM
This paper investigates how the vision of the Semantic Web can be carried over to the realm of email. We introduce a general notion of semantic email, in which an email message co...
146
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STOC
2009
ACM
16 years 5 months ago
2009
ACM
The quantum analog of a constraint satisfaction problem is a sum of local Hamiltonians - each (term of the) Hamiltonian specifies a local constraint whose violation contributes to...
183
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CCS
2009
ACM
16 years 5 months ago
2009
ACM
Botnets are networks of compromised computers infected with malicious code that can be controlled remotely under a common command and control (C&C) channel. Recognized as one ...