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» A Performance Evaluation of OID Mapping Techniques
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BMCBI
2010
243views more  BMCBI 2010»
13 years 7 months ago
Comparative study of unsupervised dimension reduction techniques for the visualization of microarray gene expression data
Background: Visualization of DNA microarray data in two or three dimensional spaces is an important exploratory analysis step in order to detect quality issues or to generate new ...
Christoph Bartenhagen, Hans-Ulrich Klein, Christia...
HPDC
2010
IEEE
13 years 8 months ago
Massive Semantic Web data compression with MapReduce
The Semantic Web consists of many billions of statements made of terms that are either URIs or literals. Since these terms usually consist of long sequences of characters, an effe...
Jacopo Urbani, Jason Maassen, Henri E. Bal
ICASSP
2011
IEEE
12 years 11 months ago
Maximum a posteriori based regularization parameter selection
The 1 norm regularized least square technique has been proposed as an efficient method to calculate sparse solutions. However, the choice of the regularization parameter is still...
Ashkan Panahi, Mats Viberg
ISVLSI
2005
IEEE
115views VLSI» more  ISVLSI 2005»
14 years 1 months ago
High Speed Max-Log-MAP Turbo SISO Decoder Implementation Using Branch Metric Normalization
The authors present a turbo soft-in soft-out (SISO) decoder based on Max-Log maximum a posteriori (ML-MAP) algorithm implemented with sliding window (SW) method. A novel technique...
J. H. Han, Ahmet T. Erdogan, Tughrul Arslan
DEXAW
1998
IEEE
126views Database» more  DEXAW 1998»
13 years 11 months ago
An Extended Query Reformulation Technique Using Materialized Views
Materialized views offer opportunities for significant performance gain in query evaluation by providing fast access to pre-computed data. The question of when and how to use a ma...
Jae-young Chang, Sang-goo Lee