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SWAT
1992
Springer
116views Algorithms» more  SWAT 1992»
14 years 2 months ago
Sorting Multisets Stably in Minimum Space
Abstract. In a decision tree model, (n log2 n m i=1 ni log2 ni + n) is known to be a lower bound for sorting a multiset of size n containing m distinct elements, where the ith dist...
Jyrki Katajainen, Tomi Pasanen
INFORMATICALT
2010
70views more  INFORMATICALT 2010»
13 years 9 months ago
Treatment of Over-Saturated Protein Spots in Two-Dimensional Electrophoresis Gel Images
The paper addresses the over-saturated protein spot detection and extraction problem in two-dimensional electrophoresis gel images. The effective technique for detection and recons...
Arturas Serackis, Dalius Navakauskas
SODA
2012
ACM
200views Algorithms» more  SODA 2012»
12 years 1 months ago
The shifting sands algorithm
We resolve the problem of small-space approximate selection in random-order streams. Specifically, we present an algorithm that reads the n elements of a set in random order and ...
Andrew McGregor, Paul Valiant
SIAMCOMP
2012
12 years 1 months ago
Randomized Competitive Algorithms for Generalized Caching
We consider online algorithms for the generalized caching problem. Here we are given a cache of size k and pages with arbitrary sizes and fetching costs. Given a request sequence ...
Nikhil Bansal, Niv Buchbinder, Joseph Naor
STOC
1997
ACM
129views Algorithms» more  STOC 1997»
14 years 2 months ago
Better Bounds for Online Scheduling
We study a classical problem in online scheduling. A sequence of jobs must be scheduled on m identical parallel machines. As each job arrives, its processing time is known. The goa...
Susanne Albers