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ICALP
2010
Springer
15 years 11 months ago
The Positive Semidefinite Grothendieck Problem with Rank Constraint
Given a positive integer n and a positive semidefinite matrix A = (Aij ) ∈ Rm×m the positive semidefinite Grothendieck problem with rank-nconstraint is (SDPn) maximize mX i=1 ...
Jop Briët, Fernando Mário de Oliveira ...
TON
2012
13 years 9 months ago
Opportunistic Spectrum Access in Multiple-Primary-User Environments Under the Packet Collision Constraint
—Cognitive Radio (CR) technology has great potential to alleviate spectrum scarcity in wireless communications. It allows secondary users (SUs) to opportunistically access spectr...
Eric Jung, Xin Liu
COLCOM
2008
IEEE
16 years 1 months ago
A Constraint and Attribute Based Security Framework for Dynamic Role Assignment in Collaborative Environments
Abstract. We investigate a security framework for collaborative applications that relies on the role-based access control (RBAC) model. In our framework, roles are pre-defined and...
Isabel F. Cruz, Rigel Gjomemo, Benjamin Lin, Mirko...
ISCSCT
2008
IEEE
16 years 1 months ago
Image Rectification Using Affine Epipolar Geometric Constraint
—To rapidly and accurately search the corresponding points along scan-lines, rectification of stereo pairs are performed so that corresponding epipolar lines are parallel to the ...
Liansheng Sui, Jiulong Zhang, Duwu Cui
CONCUR
2005
Springer
16 years 9 days ago
Constraint Solving for Contract-Signing Protocols
Research on the automatic analysis of cryptographic protocols has so far mainly concentrated on reachability properties, such as secrecy and authentication. Only recently it was sh...
Detlef Kähler, Ralf Küsters