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174
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CSIE
2009
IEEE
16 years 1 months ago
2009
IEEE
While mobile handheld devices, such as cell phones and PDAs, provide productivity benefits, they also pose new risks. A vital safeguard against unauthorized access to a device’s...
168
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CSIE
2009
IEEE
16 years 1 months ago
2009
IEEE
A multi-party contract signing (MPCS) protocol allows a set of parties to exchange messages with each other to arrive in a state in which either each of them has a pre-agreed cont...
182
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CSIE
2009
IEEE
16 years 1 months ago
2009
IEEE
Customers are usually passive in an electronic commerce transaction. Based on a new two times concurrent signature, this article presents a fair electronic payment (E-payment) pro...
167
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CSO
2009
IEEE
16 years 1 months ago
2009
IEEE
When a paid price discount activity occurs, the decisionmaker must decide whether or not and when to pay the additional fees for preferential price in an online fashion. This prob...
172
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FOCS
2009
IEEE
16 years 1 months ago
2009
IEEE
Abstract— We prove that the number of Pareto-optimal solutions in any multiobjective binary optimization problem with a finite number of linear objective functions is polynomial...