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153
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FOCS
2003
IEEE
16 years 21 days ago
Approximation Algorithms for Orienteering and Discounted-Reward TSP
In this paper, we give the rst constant-factor approximationalgorithmfor the rooted Orienteering problem, as well as a new problem that we call the Discounted-Reward TSP, motivate...
Avrim Blum, Shuchi Chawla, David R. Karger, Terran...
210
Voted
FTDCS
2003
IEEE
16 years 21 days ago
Autonomous Transaction Processing Using Data Dependency in Mobile Environments
Mobile clients retrieve and update databases at servers. They use transactions in order to ensure the consistency of shared data in the presence of concurrent accesses. Transactio...
IlYoung Chung, Bharat K. Bhargava, Malika Mahoui, ...
235
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MOBICOM
2003
ACM
16 years 20 days ago
Minimum energy disjoint path routing in wireless ad-hoc networks
We develop algorithms for finding minimum energy disjoint paths in an all-wireless network, for both the node and linkdisjoint cases. Our major results include a novel polynomial...
Anand Srinivas, Eytan Modiano
SACMAT
2003
ACM
16 years 20 days ago
The role control center: features and case studies
Role-based Access Control (RBAC) models have been implemented not only in self-contained resource management products such as DBMSs and Operating Systems but also in a class of pr...
David F. Ferraiolo, Ramaswamy Chandramouli, Gail-J...
CP
2003
Springer
16 years 19 days ago
Incremental Computation of Resource-Envelopes in Producer-Consumer Models
Abstract. Interleaved planning and scheduling employs the idea of extending partial plans by regularly heeding to the scheduling constraints during search. One of the techniques us...
T. K. Satish Kumar