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Montreal, Canada Area, QC Canada
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Computer Scientist
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I've been an entrepreneur, a government researcher and a university professor. I once designed, built and sold software for a living. I work on software performance, data indexing and data science. In recent years, I have focused on fast compression, indexing and hashing techniques. My research is supported by substantial open source programming.
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Presentations(25)Ìý

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Histogram-Aware Sorting for Enhanced Word-Aligned Compression in Bitmap Indexes
Histogram-Aware Sorting for Enhanced Word-Aligned Compression in Bitmap IndexesHistogram-Aware Sorting for Enhanced Word-Aligned Compression in Bitmap Indexes
Histogram-Aware Sorting for Enhanced Word-Aligned Compression in Bitmap Indexes
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Tag-Cloud Drawing: Algorithms for Cloud Visualization
Tag-Cloud Drawing: Algorithms for Cloud VisualizationTag-Cloud Drawing: Algorithms for Cloud Visualization
Tag-Cloud Drawing: Algorithms for Cloud Visualization
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A Comparison of Five Probabilistic View-Size Estimation Techniques in OLAP
A Comparison of Five Probabilistic View-Size Estimation Techniques in OLAPA Comparison of Five Probabilistic View-Size Estimation Techniques in OLAP
A Comparison of Five Probabilistic View-Size Estimation Techniques in OLAP
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