109 search results - page 7 / 22 » Maintaining Mappings between Conceptual Models and Relationa... |
DKE
2008
13 years 8 months ago
2008
The availability of large amounts of heterogeneous distributed web data necessitates the integration of XML data from multiple XML sources for many reasons. For example, currently,...
ICEIS
2005
IEEE
14 years 2 months ago
2005
IEEE
Abstract: Interoperability for information systems remains a challenge both at the semantic and organisational levels. The original three-level architecture for local databases nee...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Translating data and data access operations between applications and databases is a longstanding data management problem. We present a novel approach to this problem, in which the...
CAISE
2004
Springer
14 years 2 months ago
2004
Springer
Many information systems store their objects in a relational database. If the object schema or the relational schema of an application can change often or in an independent way, it...
IAJIT
2010
13 years 7 months ago
2010
: A broad variety of data is available in distinct heterogeneous sources, stored under different formats: database formats (in relational and object-oriented models), document form...