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daniel-lemire documents
Education
Write good papers
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Sorting improves word-aligned bitmap indexes (to appear in Data & Knowledge Engineering)
Documents
nosqldbs
Documents
Daniel Lemire and Anna Maclachlan, Slope One Predictors for Online Rating-Based Collaborative Filtering, SIAM Data Mining (SDM'05), pp. 471-476, 2005
Documents
Daniel Lemire, Streaming Maximum-Minimum Filter Using No More than Three Comparisons per Element. Nordic Journal of Computing, 13 (4), pages 328-339, 2006
Technology
Tag-Cloud Drawing: Algorithms for Cloud Visualization
Technology
Extracting, Transforming and Archiving Scientific Data
Technology
Compressing column-oriented indexes
Technology
Histogram-Aware Sorting for Enhanced Word-Aligned Compression in Bitmap Indexes
Technology
OLAP and more
Technology
Faster Column-Oriented Indexes
Technology
Decoding billions of integers per second through vectorization
Technology
A Comparison of Five Probabilistic View-Size Estimation Techniques in OLAP
Science
La vectorisation des algorithmes de compression
Technology
Roaring Bitmap : June 2015 report
Documents
Recursive n-gram hashing is pairwise independent, at best
Documents
Sorting improves word-aligned bitmap indexes
Documents
Reordering columns for smaller indexes
Documents
Scale and Translation Invariant Collaborative Filtering Systems
Documents
The universality of iterated hashing over variable-length strings
Technology
Engineering fast indexes
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