560 search results - page 31 / 112 » Kaleidoscope Data Model for An English-like Query Language |
WEBDB
2009
Springer
14 years 3 months ago
2009
Springer
The question whether a given set of views, defined by queries, can be used to answer another query, arises in several contexts such as query optimization, data integration and se...
EDBT
2010
ACM
14 years 3 days ago
2010
ACM
Data mining is increasingly performed by people who are not computer scientists or professional programmers. It is often done as an iterative process involving multiple ad-hoc tas...
WAIM
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. The heterogeneity nature of XML data creates the need for approximate query answering. In this paper, we present an XML system that cooperates with users to provide user-...
DBA
2004
13 years 10 months ago
2004
This paper discusses how to extend the applicability of the recursive cascade update command of the Xplain query language. This command guarantees termination because cycle detect...
CIE
2011
Springer
12 years 8 months ago
2011
Springer
Automatic classes are classes of languages for which a finite automaton can decide whether a given element is in a set given by its index. The present work studies the learnabilit...