91 search results - page 9 / 19 » A Threshold of ln n for Approximating Set Cover |
SODA
2008
ACM
13 years 9 months ago
2008
ACM
Ranged hash functions generalize hash tables to the setting where hash buckets may come and go over time, a typical case in distributed settings where hash buckets may correspond ...
FOCS
1993
IEEE
13 years 11 months ago
1993
IEEE
This paper investigates the computational complexity of approximating several NPoptimization problems using the number of queries to an NP oracle as a complexity measure. The resu...
SODA
2010
ACM
14 years 5 months ago
2010
ACM
In the capacitated vehicle routing problem, introduced by Dantzig and Ramser in 1959, we are given the locations of n customers and a depot, along with a vehicle of capacity k, an...
ADHOC
2010
13 years 7 months ago
2010
We investigate the problem of sleep/wake scheduling for low duty cycle sensor networks. Our work differs from prior work in that we explicitly consider the effect of synchronizati...
ALMOB
2006
13 years 7 months ago
2006
The String Barcoding (SBC) problem, introduced by Rash and Gusfield (RECOMB, 2002), consists in finding a minimum set of substrings that can be used to distinguish between all mem...