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STACS
2009
Springer
15 years 4 months ago
A Comparison of Techniques for Sampling Web Pages
As the World Wide Web is growing rapidly, it is getting increasingly challenging to gather representative information about it. Instead of crawling the web exhaustively one has to...
Eda Baykan, Monika Rauch Henzinger, Stefan F. Kell...
GLOBECOM
2009
IEEE
15 years 4 months ago
Nonuniform Array Design for Robust Millimeter-Wave MIMO Links
—Spatial multiplexing for millimeter (mm) wave line of sight (LOS) links potentially enables data rates of the order of 10-100 Gbps. Most prior work in this area has focused on u...
Eric Torkildson, Colin Sheldon, Upamanyu Madhow, M...
ICASSP
2009
IEEE
15 years 4 months ago
Maximum-likelihood estimation of autoregressive models with conditional independence constraints
We propose a convex optimization method for maximum likelihood estimation of autoregressive models, subject to conditional independence constraints. This problem is an extension t...
Jitkomut Songsiri, Joachim Dahl, Lieven Vandenberg...
ICEIS
2009
IEEE
15 years 4 months ago
Relaxing XML Preference Queries for Cooperative Retrieval
Today XML is an essential technology for knowledge management within enterprises and dissemination of data over the Web. Therefore the efficient evaluation of XML queries has been ...
SungRan Cho, Wolf-Tilo Balke
CIKM
2009
Springer
15 years 4 months ago
A machine learning approach for improved BM25 retrieval
Despite the widespread use of BM25, there have been few studies examining its effectiveness on a document description over single and multiple field combinations. We determine t...
Krysta Marie Svore, Christopher J. C. Burges