514 search results - page 69 / 103 » On the Structure of Valiant's Complexity Classes |
TWC
2008
13 years 8 months ago
2008
We combine space-time coding and transmit beamforming over multiple-antenna quasi-static fading channels using resolution-constrained channel state information at the transmitter ...
STOC
2003
ACM
14 years 9 months ago
2003
ACM
We describe a simple randomized construction for generating pairs of hash functions h1, h2 from a universe U to ranges V = [m] = {0, 1, . . . , m - 1} and W = [m] so that for ever...
PODS
2002
ACM
14 years 8 months ago
2002
ACM
In multidimensional data models intended for online analytic processing (OLAP), data are viewed as points in a multidimensional space. Each dimension has structure, described by a...
BIRTHDAY
2010
Springer
13 years 9 months ago
2010
Springer
Many natural problems in computer science concern structures like graphs where elements are not inherently ordered. In contrast, Turing machines and other common models of computa...
ICDCS
2009
IEEE
14 years 5 months ago
2009
IEEE
Users and administrators of large distributed systems are frequently in need of monitoring and management of its various components, data items and resources. Though there exist s...