Associations and roles in object-oriented modeling
We present an extended ER model with entity, role, and association as the basic constructs for object-oriented modeling. The...
Property covering: A powerful construct for schema derivations
Covering is a well-known relationship in semantic and object-oriented models that holds when a class is the union of...
Inheritance graph hierarchy construction using rectangular decomposition of a binary relation and designer feedback
Inheritance is the main theme of schema design for the object-oriented software and object oriented database . It supports...
Distributed object repositories: concepts and standards
Object technology in general and object frameworks in particular are influencing the evolution of enterprise modeling, software development tool...
Extended SQL support for uncertain data
Although the relational model for databases provides a great range of advantages over other data models, it lacks a...
Reducing Algorithms for Materialized View Updates
Materialized views, which are used for such as data warehousing, have to be consistent with their original data. They...
Conceptual queries using ConQuer-II
Formulating non-trivial queries in relational languages such as SQL and QBE can prove daunting to end users. ConQuer is...
Reengineering Conventional Data and Process Models with Business Object Models: A Case Study Based...
Today, the business logic of complex business applications is typically documented by separate data and process models. This documentation...
Transaction-based specification of database evolution
We present a two-layer language for the specification of database evolution in terms of transaction-based, dynamic integrity constraints. The...
An Active Conceptual Model for Fixed Income Securities Analysis for Multiple Financial Institutions
The practical implementation and use of a mediator for fixed income securities analysis demonstrated the potential for extending the...
