14 search results - page 2 / 3 » Iterated DFT Based Techniques for Join Size Estimation |
EDBT
2002
ACM
14 years 7 months ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
EDBT
2004
ACM
14 years 7 months ago
2004
ACM
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
GLVLSI
2009
IEEE
13 years 11 months ago
2009
IEEE
Current lithography techniques use a light wavelength of 193nm to print sub-65nm features. This introduces process variations which cause mismatches between desired and actual waf...
IJCV
1998
13 years 7 months ago
1998
One of the central problems in stereo matching (and other image registration tasks) is the selection of optimal window sizes for comparing image regions. This paper addresses this ...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
Recently there has been increasing interest in the development of progress indicators for SQL queries. In this paper we present a lightweight online framework for this problem. Ou...