67 search results - page 3 / 14 » On the Expressiveness of Implicit Provenance in Query and Up... |
PLANX
2007
13 years 7 months ago
2007
Several proposals for updating XML have been introduced. Many of them have a rather complicated semantics due to the interaction of side-effects and updates, and some proposals a...
VLDB
2004
ACM
13 years 11 months ago
2004
ACM
This paper addresses the question of updating relational databases through XML views. Using query trees to capture the notions of selection, projection, nesting, grouping, and het...
ER
2007
Springer
14 years 4 days ago
2007
Springer
To be a full-featured data exchange format, XML should support not only queries but also updates on its contents. The new W3C XML update facility has proposed a set of operators (...
PODS
1991
ACM
13 years 9 months ago
1991
ACM
In this paper we characterise exactly the complexity of a set based database language called SRL, which presents a unified framework for queries and updates. By imposing simple s...
SEMWEB
2005
Springer
13 years 11 months ago
2005
Springer
We propose a declarative update language for RDF graphs which is based on the paradigms of query and view languages RQL and RVL. Our language, called RUL, ensures that the executio...