486 search results - page 22 / 98 » Expressing OLAP Preferences |
ICEIS
2009
IEEE
14 years 3 months ago
2009
IEEE
Today XML is an essential technology for knowledge management within enterprises and dissemination of data over the Web. Therefore the efficient evaluation of XML queries has been ...
LPNMR
2009
Springer
14 years 3 months ago
2009
Springer
Abstract. We consider the problem of whether a given preferred answer set program can be reduced to a propositional formula. Research on this topic is of both theoretical and pract...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
User-defined preferences allow personalized ranking of query results. A user provides a declarative specification of his/her preferences, and the system is expected to use that ...
IJCAI
1997
13 years 10 months ago
1997
We address the problem of introducing preferences into default logic. Two approaches are given, one a generalisation of the other. In the first approach, an ordered default theory...
SAC
2009
ACM
14 years 3 months ago
2009
ACM
Today user-centered information acquisition over collections of complex XML documents is increasingly in demand. To this end, preferences have become an important paradigm enablin...