4955 search results - page 555 / 991 » Multiple Pattern Databases |
215
click to vote
ICDE
2005
IEEE
16 years 5 months ago
2005
IEEE
The query optimizer of a database system is confronted with two aspects when handling user-defined functions (UDFs) in query predicates: the vast differences in evaluation costs b...
233
click to vote
ICDE
2005
IEEE
16 years 5 months ago
2005
IEEE
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...
226
click to vote
ICDE
2002
IEEE
16 years 5 months ago
2002
IEEE
Overlapping and multi-version techniques are two popular frameworks that transform an ephemeral index into a multiple logical-tree structure in order to support versioning databas...
239
click to vote
ICDE
1997
IEEE
16 years 5 months ago
1997
IEEE
A mediator is a domain-speci c tool to support uniform access to multiple heterogeneous information sources and to abstract and combine data from different but related databases t...
125
click to vote
WWW
2007
ACM
16 years 4 months ago
2007
ACM
Many databases have become Web-accessible through form-based search interfaces (i.e., HTML forms) that allow users to specify complex and precise queries to access the underlying ...