575 search results - page 87 / 115 » A Spectral Approach to Lower Bounds |
81
Voted
ICC
2007
IEEE
15 years 7 months ago
2007
IEEE
— The paper deals with the problem of the carrier frequency-offset (CFO) estimation for wireless communications. Since the well-known maximum-likelihood (ML) CFO estimator is rat...
IPPS
2007
IEEE
15 years 7 months ago
2007
IEEE
In this paper, we discuss and compare several policies to place replicas in tree networks, subject to server capacity constraints. The client requests are known beforehand, while ...
132
Voted
SASO
2007
IEEE
15 years 7 months ago
2007
IEEE
A fundamental problem that confronts decentralized reputation systems is the design of efficient, secure and incentive-compatible mechanisms to gather trust information despite m...
104
Voted
SSDBM
2007
IEEE
15 years 7 months ago
2007
IEEE
Memory management is a critical issue in stream processing involving stateful operators such as join. Traditionally, the memory requirement for a stream join is query-driven: a qu...
96
Voted
ICALP
2007
Springer
15 years 6 months ago
2007
Springer
We study the classic problem of estimating the sum of n variables. The traditional uniform sampling approach requires a linear number of samples to provide any non-trivial guarante...