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TELE
2008
100views more  TELE 2008»
13 years 9 months ago
Assessing the displacement effects of the Internet
This study examines the ``medium-centric'' and ``user-centric'' approaches in investigating the displacement effects of the Internet. Results from a random sam...
Paul S. N. Lee, Louis Leung
WSC
2007
14 years 6 days ago
Model-based measurement of situation awareness
Decision making in complex environments in the face of uncertain and missing information is a daunting task. We describe a modeling and simulation based approach to providing plan...
W. Scott Neal Reilly, Sean L. Guarino, Bret Kellih...
ECIR
2009
Springer
13 years 7 months ago
Studying Query Expansion Effectiveness
Query expansion is an effective technique in improving the retrieval performance for ad-hoc retrieval. However, query expansion can also fail, leading to a degradation of the retri...
Ben He, Iadh Ounis
IMC
2007
ACM
13 years 11 months ago
An active measurement system for shared environments
Testbeds composed of end hosts deployed across the Internet enable researchers to simultaneously conduct a wide variety of experiments. Active measurement studies of Internet path...
Joel Sommers, Paul Barford
CORR
2008
Springer
98views Education» more  CORR 2008»
13 years 10 months ago
Information-theoretic limits on sparse signal recovery: Dense versus sparse measurement matrices
We study the information-theoretic limits of exactly recovering the support set of a sparse signal, using noisy projections defined by various classes of measurement matrices. Our ...
Wei Wang, Martin J. Wainwright, Kannan Ramchandran