777 search results - page 114 / 156 » Optimization of Relational Preference Queries |
WWW
2010
ACM
14 years 2 months ago
2010
ACM
Queries on major Web search engines produce complex result pages, primarily composed of two types of information: organic results, that is, short descriptions and links to relevan...
CISM
1993
13 years 11 months ago
1993
The weak instance model is a framework to consider the relations in a database as a whole, regardless of the way attributes are grouped in the individual relations. Queries and upd...
ICDE
1996
IEEE
14 years 9 months ago
1996
IEEE
This paper presents a difference calculus for determining changes to rule conditions in an active DBMS. The calculus has been used for implementing an algorithm to efficiently mon...
GECCO
2005
Springer
14 years 1 months ago
2005
Springer
Assume a coevolutionary algorithm capable of storing and utilizing all phenotypes discovered during its operation, for as long as it operates on a problem; that is, assume an algo...
SG
2007
Springer
14 years 1 months ago
2007
Springer
This paper presents the concept and an evaluation of a novel approach to support students to understand complex spatial relations and to learn unknown terms of a domain-specific t...