294 search results - page 5 / 59 » Relational Database Operations Modeling with UML |
VLDB
1989
ACM
14 years 2 months ago
1989
ACM
In this paper. we utilize intervals for unknown values in incompleterelational databases.We usetablesto representunknown relations. First, we define three partial tuple types in a...
FASE
2001
Springer
14 years 2 months ago
2001
Springer
Abstract. The Object Constraint Language OCL offers a formal notation for constraining the modelling elements occurring in UML diagrams. In this paper we apply OCL for developing ...
SIGMOD
1991
ACM
14 years 1 months ago
1991
ACM
The view-object model provides a formal basis for representing and manipulating object-based views on relational databases. In this paper, we present a scheme for handling update ...
EDOC
2005
IEEE
14 years 3 months ago
2005
IEEE
— The paper proposes a more formalized definition of UML 2.0 Activity Diagram semantics. A subset of activity diagram constructs relevant for business process modeling is conside...
INFORMATICALT
2008
13 years 10 months ago
2008
Abstract. The study of databases began with the design of efficient storage and data sharing techniques for large amount of data. This paper concerns the processing of imprecision ...