Sciweavers

4584 search results - page 598 / 917
» Sequential parameter optimization
Sort
View
SIGIR
2010
ACM
15 years 7 months ago
Has portfolio theory got any principles?
Recently, Portfolio Theory (PT) has been proposed for Information Retrieval. However, under non-trivial conditions PT violates the original Probability Ranking Principle (PRP). In...
Guido Zuccon, Leif Azzopardi, Keith van Rijsbergen
CORR
2010
Springer
186views Education» more  CORR 2010»
15 years 6 months ago
Channel Estimation for Opportunistic Spectrum Access: Uniform and Random Sensing
The knowledge of channel statistics can be very helpful in making sound opportunistic spectrum access decisions. It is therefore desirable to be able to efficiently and accurately...
Quanquan Liang, Mingyan Liu
CORR
2008
Springer
84views Education» more  CORR 2008»
15 years 6 months ago
Small Is Not Always Beautiful
Peer-to-peer content distribution systems have been enjoying great popularity, and are now gaining momentum as a means of disseminating video streams over the Internet. In many of...
Pawel Marciniak, Nikitas Liogkas, Arnaud Legout, E...
CORR
2008
Springer
89views Education» more  CORR 2008»
15 years 6 months ago
Information Theoretic Operating Regimes of Large Wireless Networks
In analyzing the point-to-point wireless channel, insights about two qualitatively different operating regimes-bandwidth- and power-limited--have proven indispensable in the design...
Ayfer Özgür, Ramesh Johari, David N. C. ...
EC
2006
136views ECommerce» more  EC 2006»
15 years 6 months ago
Error Thresholds in Genetic Algorithms
The error threshold of replication is an important notion of the quasispecies evolution model; it is a critical mutation rate (error rate) beyond which structures obtained by an e...
Gabriela Ochoa