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DEXA
2000
Springer
132views Database» more  DEXA 2000»
15 years 10 months ago
Improving the Performance of High-Energy Physics Analysis through Bitmap Indices
Abstract. Bitmap indices are popular multi-dimensional data structures for accessing read-mostly data such as data warehouse (DW) applications, decision support systems (DSS) and o...
Kurt Stockinger, Dirk Düllmann, Wolfgang Hosc...
EUROSYS
2007
ACM
16 years 3 months ago
hFS: a hybrid file system prototype for improving small file and metadata performance
Two oft-cited file systems, the Fast File System (FFS) and the Log-Structured File System (LFS), adopt two sharply different update strategies—update-in-place and update-out-of-...
Zhihui Zhang, Kanad Ghose
SIGIR
2009
ACM
16 years 26 days ago
An improved markov random field model for supporting verbose queries
Recent work in supervised learning of term-based retrieval models has shown significantly improved accuracy can often be achieved via better model estimation [2, 10, 11, 17]. In ...
Matthew Lease
IJCNN
2006
IEEE
16 years 12 days ago
Reducing Uncertainties in Neural Network Jacobians and Improving Accuracy of Neural Network Emulations with NN Ensemble Approach
—A new application of the NN ensemble technique to improve the accuracy and stability of the calculation of NN emulation Jacobians is presented. The term “emulation” is defin...
Vladimir M. Krasnopolsky
SAC
2006
ACM
16 years 9 days ago
Improving the compensated Horner scheme with a fused multiply and add
Several different techniques and softwares intend to improve the accuracy of results computed in a fixed finite precision. Here we focus on a method to improve the accuracy of ...
Stef Graillat, Philippe Langlois, Nicolas Louvet