A Process-Integrated Conceptual Design Environment for Chemical Engineering
The process industries (chemicals, food, oil,...) are characterized by — continuous or batch — processes of material transformation. The...
Solving the Problem of Semantic Heterogeneity in Defining Mediator Update Translators
Mediator is a facility that supports an integrated view over multiple information sources, and allows for queries to be...
ER Model, XML and the Web
Read the full paper here: https://link.springer.com/chapter/10.1007/3-540-47866-3_36
A Method for Requirements Elicitation and Formal Specification
We propose a method for the elicitation and the expression of requirements. The requirements are then transformed in a...
Dealing with Semantic Heterogeneity During Data Integration
Multi-sources information systems, such as data warehouse systems, involve heterogeneous sources. In this paper, we deal with the semantic...
Detecting Redundancy in Data Warehouse Evolution
A Data Warehouse (DW) can be abstractly seen as a set of materialized views defined over a set of...
Modelling Data Warehouses and OLAP Applications by Means of Dialogue Objects
The idea of data warehouses is to provide condensed information in order to support managers in the analysis of...
Resolving the “Weak Status” of Weak Entity Types in Entity Relationship Schemas
Entity Relationship schemas include weak entity types, whose entities are identified by their inter-relationships to other entities. During the...
A Taxonomy of Recursive Relationships and Their Structural Validity in ER Modeling
In this paper, we present the complete classification of recursive relationships and the criteria that contribute to the structural...
Extending Functional Dependencies in Indefinite Sequence Relations
We introduce the concept of an indefinite sequence relation r over a relation schema R in order to capture...
