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ALGORITHMICA
2005
129views more  ALGORITHMICA 2005»
13 years 5 months ago
A Comparison of Multicast Pull Models
We consider the setting of a web server that receives requests for documents from clients, and returns the requested documents over a multicast/broadcast channel. We compare the q...
Kirk Pruhs, Patchrawat Uthaisombut
ALGORITHMICA
2005
108views more  ALGORITHMICA 2005»
13 years 5 months ago
How Fast Is the k-Means Method?
We present polynomial upper and lower bounds on the number of iterations performed by the k-means method (a.k.a. Lloyd's method) for k-means clustering. Our upper bounds are ...
Sariel Har-Peled, Bardia Sadri
ALGORITHMICA
2005
110views more  ALGORITHMICA 2005»
13 years 5 months ago
Biased Skip Lists
We design a variation of skip lists that performs well for generally biased access sequences. Given n items, each with a positive weight wi, 1 i n, the time to access item i is O...
Amitabha Bagchi, Adam L. Buchsbaum, Michael T. Goo...
ALGORITHMICA
2005
76views more  ALGORITHMICA 2005»
13 years 5 months ago
Characterizing History Independent Data Structures
We consider history independent data structures as proposed for study by Naor and Teague [3]. In a history independent data structure, nothing can be learned from the memory repre...
Jason D. Hartline, Edwin S. Hong, Alexander E. Moh...
ALGORITHMICA
2005
149views more  ALGORITHMICA 2005»
13 years 5 months ago
Approximating Maximum Weight Cycle Covers in Directed Graphs with Weights Zero and One
A cycle cover of a graph is a spanning subgraph each node of which is part of exactly one simple cycle. A k-cycle cover is a cycle cover where each cycle has length at least k. Gi...
Markus Bläser, Bodo Manthey