297 search results - page 53 / 60 » Polynomial heuristics for query optimization |
STOC
2001
ACM
14 years 8 months ago
2001
ACM
Histograms are typically used to approximate data distributions. Histograms and related synopsis structures have been successful in a wide variety of popular database applications...
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
Declarative queries are proving to be an attractive paradigm for interacting with networks of wireless sensors. The metaphor that “the sensornet is a database” is problematic,...
ICDE
2010
IEEE
13 years 8 months ago
2010
IEEE
A way to optimize performance of relational row store databases is to reduce the row widths by vertically partitioning tables into table fractions in order to minimize the number ...
JALC
2007
13 years 7 months ago
2007
We determine the complexity of learning problems for unary regular languages. We begin by investigating the minimum consistent dfa (resp. nfa) problem which is known not to be app...
TWC
2008
13 years 7 months ago
2008
With the capability of supporting very high data rate services in a short range, Ultra-Wideband (UWB) technology is appealing to multimedia applications in future wireless personal...