394 search results - page 19 / 79 » Conditional Preferences: A New Semantics for Database Querie... |
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
As the amount of Web information grows rapidly, search engines must be able to retrieve information according to the user's preference. In this paper, we propose a new web sea...
WEBDB
2005
Springer
14 years 1 months ago
2005
Springer
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of caching results...
IJCSA
2008
13 years 7 months ago
2008
: Skyline Queries have recently received a lot of attention due to their intuitive query capabilities. Following the concept of Pareto optimality all `best' database objects a...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
We propose a class of constraints, referred to as conditional functional dependencies (CFDs), and study their applications in data cleaning. In contrast to traditional functional ...
ADBIS
2007
Springer
14 years 1 months ago
2007
Springer
The semantics of a new language (CUDL – Conceptual Universal Database Language), designed to manage dynamic database environments, are presented. This language conforms to the FD...