19 search results - page 2 / 4 » adbis 2005 |
ADBIS
2005
Springer
13 years 10 months ago
2005
Springer
We present a query language called MDatalog, which is an extension of Datalog for multimodal deductive databases. We define modal relational algebras and give the seminaive evalua...
ADBIS
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. The performance of an information retrieval system is usually measured in terms of two different criteria, precision and recall. This way, the optimization of any of its...
ADBIS
2005
Springer
13 years 10 months ago
2005
Springer
XQuery is widely used for querying XML documents. Within this paper, we examine optimization rules for XQuery queries that exploit type information of the input XML document given ...
ADBIS
2005
Springer
13 years 10 months ago
2005
Springer
XML-relational systems with well defined XML and relational schemas are widely used in industry. In the presence of rapidly changing requirements both schemas of such a model need...
ADBIS
2005
Springer
13 years 10 months ago
2005
Springer
Patterns and models are artifacts that are assets to their owners. Storing them in a repository and using common interfaces for their management simplifies their usage. This articl...