363 search results - page 35 / 73 » Analyzing Plan Diagrams of Database Query Optimizers |
ER
2004
Springer
14 years 2 months ago
2004
Springer
In this paper we present a model of functional access to data that, we argue, is suitable for modeling a class of data repositories characterized by functional access, such as web ...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
An effective query optimizer finds a query plan that exploits the characteristics of the source data. In data integration, little is known in advance about sources' propertie...
SIGMOD
1996
ACM
14 years 1 months ago
1996
ACM
Repositories of multimedia objects having multiple types of attributes e.g., image, text are becoming increasingly common. A selection on these attributes will typically produce n...
VLDB
1997
ACM
14 years 1 months ago
1997
ACM
Businesses today need to interrelate data stored in diverse systems with differing capabilities, ideally via a single high-level query interface. We present the design of a query ...
SSD
2001
Springer
14 years 1 months ago
2001
Springer
In this paper we introduce the notion of constrained nearest neighbor queries (CNN) and propose a series of methods to answer them. This class of queries can be thought of as neare...