70 search results - page 3 / 14 » Semistructured data schemas with expressive constraints |
CIKM
2005
Springer
14 years 1 months ago
2005
Springer
We introduce the notion of views as a mechanism for securing and providing access control in the context of XML. Research in XML has explored several efficient querying mechanism...
FROCOS
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. We propose a new class of tree automata, called tree automata with normalization (TAN). This framework extends equational tree automata, and improved the results of them:...
ACTAC
1998
13 years 7 months ago
1998
In a semi-structured database there is no clear separation between the data and the schema, and the degree to which it is structured depends on the application. Semi-structured da...
ICDT
1997
ACM
13 years 12 months ago
1997
ACM
We develop a new schema for unstructured data. Traditional schemas resemble the type systems of programming languages. For unstructured data, however, the underlying type may be mu...
CAISE
2005
Springer
14 years 1 months ago
2005
Springer
This paper presents a detailed integration process for XML schemata called BInXS. BInXS adopts a global-as-view integration approach that builds a global schema from a set of heter...