NoSQL database models and data store systems have emerged in response to the needs of
new big data applications. A common feature of these logical models is the schemaless …

In this paper we introduce a novel approach to conceptual modeling for XML schemas.
Compared to other approaches, it allows for modeling of a whole family of XML schemas …

Most available approaches for XML schema evolution specify the evolution steps for an XML
schema or a DTD. This article will show that schema evolution can also be realized on a …

Recently XML is the standard format used for the exchange of data between information
systems and is also frequently applied as a logical database model. If we use XML as a …

Distributed databases and data transformation mechanisms are highly relevant to Business
Intelligence and Data Analytics. Most enterprise systems today have multiple and distributed …

It is frequent in practice that different logical XML schemas representing the same reality
from different viewpoints exist. There is also usually a conceptual diagram modeling the …

XML has become the de facto standard for representing and interchanging information in
web-based applications. And conceptual modeling approaches, such as EER and UML …

In the latest years many different models for semi structured data have been proposed; most
of them, however, are too specific to allow immediate comparison with other models, and do …

In order to increase enterprise performance, economics paradigms focus, now more than
ever, on how to better manage information. The modern architecture of information systems …

Conceptual modeling of XML data was made easier with the introduction of the XSEM
model, which utilizes the MDA (Model-driven architecture) ideas of multi-level modeling …