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DBPL
2003
Springer
13 years 10 months ago
2003
Springer
We introduce the new notion of XML Stream Attribute Grammars (XSAGs). XSAGs are the first scalable query language for XML streams (running strictly in linear time with bounded mem...
DBPL
2003
Springer
13 years 10 months ago
2003
Springer
We introduce the Xdπ calculus, a peer-to-peer model for reasoning about dynamic web data. Web data is not just stored statically. Rather it is referenced indirectly, for example ...
DBPL
2003
Springer
13 years 10 months ago
2003
Springer
Over the last fifteen years, database management systems (DBMSs) have been enhanced by the addition of rule-based programming to obtain active DBMSs. One of the greatest challeng...
DBPL
2003
Springer
13 years 10 months ago
2003
Springer
Abstract. We examine the maintenance of data consistency in the presence of application-database interactions. Currently, a programmer must insert explicit checks to ensure that da...
DBPL
2003
Springer
13 years 10 months ago
2003
Springer
Abstract. In the context of XML data management systems, the estimation of query cardinality is becoming more and more important: the information provided by a query result estimat...