1091 search results - page 18 / 219 » Approximation in Databases |
SIGMOD
2001
ACM
14 years 8 months ago
2001
ACM
The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. In contrast to previous sampling...
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
Abstract-- Particle simulation has become an important research tool in many scientific and engineering fields. Data generated by such simulations impose great challenges to databa...
KDD
2008
ACM
14 years 8 months ago
2008
ACM
Transactional data are ubiquitous. Several methods, including frequent itemsets mining and co-clustering, have been proposed to analyze transactional databases. In this work, we p...
SIGMOD
1998
ACM
14 years 20 days ago
1998
ACM
We present new algorithms for computing approximate quantiles of large datasets in a single pass. The approximation guarantees are explicit, and apply without regard to the value ...