planning - designing - developing IT
Special Interest Group on Systems Analysis and Design

Publications

Reconstruction of ER schema from database applications: a cognitive approach

0
In the Forward Engineering phase, the designer modifies the database conceptual schema and produces a logical and physical schema...

Extracting an entity relationship schema from a relational database through reverse engineering

0
This paper presents a method for extracting a conceptual schema from a relational database. The method is based on...

Leveled entity relationship model

0
Layering ER diagrams has been a key tool to abstract the complexity of large data schemas generated by enterprise...

State-conditioned semantics in databases

0
Integrity constraints are usually modeled based on the assumption that they are valid in any database state. This approach...

Modelling constraints with exceptions in object-oriented databases

0
This paper deals with modelling constraints in object-oriented databases, with emphasis given on exceptions. Constraints are restrictions on properties...

Declarative specification of constraint maintenance

0
Integrity repair is a pragmatic alternative to integrity checking, already proposed by relational and Codasyl standards and supported by...

On the representation of objects with polymorphic shape and behavior

0
In this paper we present the concept of roles as an extension to object-oriented database models in which identifiable...

A normal form object-oriented entity relationship diagram

0
A normal form object-oriented entity relationship (OOER) diagram is presented to address a set of OO data modelling issues,...

The use of agglomerative categorisation to build a conceptual view of statistical data

0
Read the full paper here: https://link.springer.com/chapter/10.1007/BFb0020560

COMan — coexistence of object-oriented and relational technology

0
Applying object-oriented technology to systems development is widely recognized as improving productivity and reducing system maintenance costs. At the...