57 search results - page 12 / 12 » Lightweight Data Indexing and Compression in External Memory |
SIGMOD
2008
ACM
14 years 5 months ago
2008
ACM
There has been a significant amount of excitement and recent work on column-oriented database systems ("column-stores"). These database systems have been shown to perfor...
TSP
2010
12 years 11 months ago
2010
We propose a variance-component probabilistic model for sparse signal reconstruction and model selection. The measurements follow an underdetermined linear model, where the unknown...