455 search results - page 45 / 91 » Approximation Algorithms for Partial Covering Problems |
PODC
2005
ACM
15 years 3 months ago
2005
ACM
In this paper, we initiate the study of the approximability of the facility location problem in a distributed setting. In particular, we explore a trade-off between the amount of...
122
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VTC
2008
IEEE
15 years 4 months ago
2008
IEEE
This paper considers the problem of selecting a subset of nodes in a two-hop wireless network to act as relays in aiding the communication between the source-destination pair. Opt...
MP
1998
14 years 9 months ago
1998
We consider the polyhedral approach to solving the capacitated facility location problem. The valid inequalities considered are the knapsack, ow cover, e ective capacity, single d...
SIGECOM
2008
ACM
14 years 9 months ago
2008
ACM
We consider the problem of query rewrites in the context of keyword advertisement. Given a three-layer graph consisting of queries, query rewrites, and the corresponding ads that ...
162
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ICDE
1999
IEEE
15 years 11 months ago
1999
IEEE
Partial periodicity search, i.e., search for partial periodic patterns in time-series databases, is an interesting data mining problem. Previous studies on periodicity search main...