4397 search results - page 44 / 880 » Relational Algebra Operations |
CORR
2009
Springer
13 years 5 months ago
2009
Springer
ICDT
2009
ACM
14 years 2 months ago
2009
ACM
A formal semantics of uncertain databases typically takes an algebraic approach by mapping an uncertain database to a set of relational databases, or possible worlds. We present a...
SEKE
2007
Springer
14 years 1 months ago
2007
Springer
In this paper, we present an approach to query processing for paraconsistent databases in the presence of integrity constraints. Paraconsistent databases are capable of representi...
VIP
2001
13 years 9 months ago
2001
Spiral Architecture is a relatively new and powerful approach to general purpose machine vision system. It contains very useful geometric and algebraic properties. Two algebraic o...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
We introduce a controlled form of recursion in XQuery, an inflationary fixed point operator, familiar from the context of relational databases. This operator imposes restriction...