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SODA
2010
ACM
187views Algorithms» more  SODA 2010»
14 years 7 months ago
An Improved Competitive Algorithm for Reordering Buffer Management
We design and analyze an on-line reordering buffer management algorithm with improved O log k log log k competitive ratio for non-uniform costs, where k is the buffer size. This i...
Noa Avigdor-Elgrabli, Yuval Rabani
SODA
2010
ACM
175views Algorithms» more  SODA 2010»
14 years 7 months ago
An Online Scalable Algorithm for Average Flow Time in Broadcast Scheduling
In this paper the online pull-based broadcast model is considered. In this model, there are n pages of data stored at a server and requests arrive for pages online. When the serve...
Benjamin Moseley, Sungjin Im
SODA
2010
ACM
173views Algorithms» more  SODA 2010»
14 years 7 months ago
Distributed Agreement with Optimal Communication Complexity
We consider the problem of fault-tolerant agreement in a crash-prone synchronous system. We present a new randomized consensus algorithm that achieves optimal communication effici...
Seth Gilbert, Dariusz Kowalski
SODA
2010
ACM
200views Algorithms» more  SODA 2010»
14 years 7 months ago
Algorithms for ray class groups and Hilbert class fields
This paper analyzes the complexity of problems from class field theory. Class field theory can be used to show the existence of infinite families of number fields with constant ro...
Sean Hallgren, Kirsten Eisentraeger
SODA
2010
ACM
155views Algorithms» more  SODA 2010»
14 years 7 months ago
Road Network Reconstruction for Organizing Paths
We consider the problem of reconstructing a road network from a collection of path traces and provide guarantees on the accuracy of the reconstruction under reasonable assumptions...
Daniel Chen, Leonidas J. Guibas, John Hershberger,...