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» Estimating Sum by Weighted Sampling
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WSC
1997
13 years 8 months ago
Weighted Jackknife-after-Bootstrap: A Heuristic Approach
We investigate the problem of deriving precision estimates for bootstrap quantities. The one major stipulation is that no further bootstrapping will be allowed. In 1992, Efron der...
Jin Wang, J. Sunil Rao, Jun Shao
ESA
2006
Springer
77views Algorithms» more  ESA 2006»
13 years 11 months ago
Negative Examples for Sequential Importance Sampling of Binary Contingency Tables
The sequential importance sampling (SIS) algorithm has gained considerable popularity for its empirical success. One of its noted applications is to the binary contingency tables p...
Ivona Bezáková, Alistair Sinclair, D...
ICASSP
2008
IEEE
14 years 1 months ago
Harmonic and inharmonic Nonnegative Matrix Factorization for Polyphonic Pitch transcription
Polyphonic pitch transcription consists of estimating the onset time, duration and pitch of each note in a music signal. This task is difficult in general, due to the wide range ...
Emmanuel Vincent, Nancy Bertin, Roland Badeau
NA
2007
81views more  NA 2007»
13 years 7 months ago
Positive weight quadrature on the sphere and monotonicities of Jacobi polynomials
In 2000, Reimer proved that a positive weight quadrature rule on the unit sphere Sd ⊂ Rd+1 has the property of quadrature regularity. Hesse and Sloan used a related property, ca...
Paul C. Leopardi
EDBT
2009
ACM
160views Database» more  EDBT 2009»
14 years 3 days ago
Estimating aggregates in time-constrained approximate queries in Oracle
The concept of time-constrained SQL queries was introduced to address the problem of long-running SQL queries. A key approach adopted for supporting time-constrained SQL queries i...
Ying Hu, Seema Sundara, Jagannathan Srinivasan