121 search results - page 2 / 25 » Random Sampling from Database Files: A Survey |
EDBT
2006
ACM
13 years 9 months ago
2006
ACM
Random sampling is a well-known technique for approximate processing of large datasets. We introduce a set of algorithms for incremental maintenance of large random samples on seco...
VLDB
1992
ACM
13 years 11 months ago
1992
ACM
In the past, two basic approaches for sampling f5-om B+ trees have been suggested: sampling from the ranked trees and acceptance/rejection sampling i?om non-ranked trees. The firs...
PR
2006
13 years 7 months ago
2006
One of the main challenges faced by the current face recognition techniques lies in the difficulties of collecting samples. Fewer samples per person mean less laborious effort for...
RIAO
2004
13 years 8 months ago
2004
Collecting all the papers in a research field is a first step towards an exhaustive survey. A number of research paper databases are available for searching papers. However, searc...
EUROMED
2010
13 years 5 months ago
2010
The island of Nelson is situated around 7-8 miles far from the Egyptian Mediterranean coast, and about 25 km far from Alexandria of Egypt. It has small size, since it doesn't ...