199 search results - page 2 / 40 » A Parallel Algebra for Object Databases |
CONCUR
2009
Springer
13 years 9 months ago
2009
Springer
We define an extension of forest algebra for -forests. We show how the standard algebraic notions (free object, syntactic algebra, morphisms, etc.) extend to the infinite case. To ...
ADBIS
2007
Springer
13 years 11 months ago
2007
Springer
Nowadays, ontologies are used in a lot of diverse research fields. They provide with the capability to describe a huge set of information contents. Therefore, several approaches f...
VLDB
2002
ACM
13 years 4 months ago
2002
ACM
Book
A set of presentations covering the book, which includes the following topics ER Model and Conceptual Design, The Relational Model and SQL DDL, Relational Algebra, SQL, Database Ap...
RSKT
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. A fundamental data modeling problem in geographical information systems and spatial database systems refers to an appropriate treatment of the vagueness or indeterminacy ...