Sciweavers

3934 search results - page 215 / 787
» Approximate Schedulability Analysis
Sort
View
ICCCN
2008
IEEE
16 years 29 days ago
Localized Access Point Association in Wireless LANs with Bounded Approximation Ratio
— The current access point (AP) association schemes in wireless LANs, such as IEEE 802.11, cause an unbalanced load which reduces the performance of both the entire network and i...
Mingming Lu, Jie Wu
WCNC
2008
IEEE
16 years 27 days ago
A Closed-Form Approximation for Capacity of Multiuser MIMO Broadcast Systems: A Virtual User Approach
— Besides delivering high data rates in a point-to-point scenario, multi-input multi-output (MIMO) antenna techniques can broadcast personalized data to multiple users in the poi...
Li-Chun Wang, Chu-Jung Yeh, Chi-Fang Li
WECWIS
2005
IEEE
137views ECommerce» more  WECWIS 2005»
16 years 2 days ago
Using Singular Value Decomposition Approximation for Collaborative Filtering
Singular Value Decomposition (SVD), together with the Expectation-Maximization (EM) procedure, can be used to find a low-dimension model that maximizes the loglikelihood of obser...
Sheng Zhang, Weihong Wang, James Ford, Fillia Make...
SWAT
2004
Springer
98views Algorithms» more  SWAT 2004»
15 years 12 months ago
Tight Approximability Results for Test Set Problems in Bioinformatics
In this paper, we investigate the test set problem and its variations that appear in a variety of applications. In general, we are given a universe of objects to be “distinguish...
Piotr Berman, Bhaskar DasGupta, Ming-Yang Kao
SPAA
2010
ACM
15 years 11 months ago
Fast distributed approximation algorithms for vertex cover and set cover in anonymous networks
We present a distributed algorithm that finds a maximal edge packing in O(∆ + log∗ W) synchronous communication rounds in a weighted graph, independent of the number of nodes...
Matti Åstrand, Jukka Suomela