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» Contention-Sensitive Data Structures and Algorithms
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NECO
1998
119views more  NECO 1998»
15 years 6 months ago
Density Estimation by Mixture Models with Smoothing Priors
In the statistical approach for self-organizing maps (SOMs), learning is regarded as an estimation algorithm for a Gaussian mixture model with a Gaussian smoothing prior on the ce...
Akio Utsugi
JACM
2010
208views more  JACM 2010»
15 years 5 months ago
The nested chinese restaurant process and bayesian nonparametric inference of topic hierarchies
clustering of documents according to sharing of topics at multiple levels of abstraction. Given a corpus of documents, a posterior inference algorithm finds an approximation to a ...
David M. Blei, Thomas L. Griffiths, Michael I. Jor...
197
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TMA
2010
Springer
150views Management» more  TMA 2010»
15 years 4 months ago
Validation and Improvement of the Lossy Difference Aggregator to Measure Packet Delays
One-way packet delay is an important network performance metric. Recently, a new data structure called Lossy Difference Aggregator (LDA) has been proposed to estimate this metric m...
Josep Sanjuàs-Cuxart, Pere Barlet-Ros, Jose...
ICASSP
2011
IEEE
14 years 10 months ago
Parallel computation of adaptive lattice filters
Parallel computation of the adaptive lattice filtering algorithm is difficult due to the dependency problem caused by feedback operations. The conventional control-level paralle...
Dong-hwan Lee, Wonyong Sung
SIGMOD
2001
ACM
124views Database» more  SIGMOD 2001»
16 years 7 months ago
Space-Efficient Online Computation of Quantile Summaries
An -appro ximate quantile summary of a sequence of N elements is a data structure that can answer quantile queries about the sequence to within a precision of N. We presen t a new...
Michael Greenwald, Sanjeev Khanna