453 search results - page 4 / 91 » On the complexity of exchanging |
135
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SP
2007
IEEE
15 years 10 months ago
2007
IEEE
An electronic cash (e-cash) scheme lets a user withdraw money from a bank and then spend it anonymously. E-cash can be used only if it can be securely and fairly exchanged for ele...
138
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WWW
2008
ACM
16 years 4 months ago
2008
ACM
Motivated by several marketplace applications on rapidly growing online social networks, we study the problem of efficient offline matching algorithms for online exchange markets....
242
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ICDT
2009
ACM
16 years 4 months ago
2009
ACM
The class of unions of conjunctive queries (UCQ) has been shown to be particularly well-behaved for data exchange; its certain answers can be computed in polynomial time (in terms...
123
Voted
DAM
2007
15 years 3 months ago
2007
We show that the logical theory QLA proves the Cayley–Hamilton theorem from the Steinitz exchange theorem together with a strengthening of the linear independence principle. Sin...
122
Voted
WWW
2008
ACM
16 years 4 months ago
2008
ACM
Web service may be unable to interact with each other because of incompatibilities between their interfaces. In this paper, we present an event driven approach which aims at adapt...