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DKE
2008
103views more  DKE 2008»
13 years 4 months ago
The XML Tree Model - toward an XML conceptual schema reversed from XML Schema Definition
XML Schema Definition (XSD) is the logical schemas of an XML model, but there is no standard format for the conceptual schema of an XML model. Therefore, we propose an XML Tree Mo...
Joseph Fong, San Kuen Cheung, Herbert Shiu
IADIS
2003
13 years 6 months ago
Solving Semantic Conflicts in Audience Driven Web Design
In an audience driven approach to website design, the requirements of the different audiences are modeled as separated tiny conceptual schemas comparable to views. This has severa...
Olga De Troyer, Peter Plessers, Sven Casteleyn
DMDW
2003
134views Management» more  DMDW 2003»
13 years 6 months ago
Using Design Guidelines to Improve Data Warehouse Logical Design
Data Warehouse-(DW) logical design often start with a conceptual schema and then generates relational structures. Applying this approach implies to cope with two main aspects: (i) ...
Verónika Peralta, Raul Ruggia
IKE
2004
13 years 6 months ago
Conditional Mapping in Data Mediation
A serious problem facing many organizations today is the need to share information among systems that have been developed separately. Conflicts in the structure and semantics of t...
Paul L. Bergstein, Vishal Shah
GEOINFO
2004
13 years 6 months ago
Ontology-driven Resolution of Semantic Heterogeneities in GDB Conceptual Schemas
: As the geographic information system (GIS) community grows, more and more people needs to share geographic information. As modern GIS data is stored in geographic databases their...
Guillermo Nudelman Hess, Cirano Iochpe
APCCM
2007
13 years 6 months ago
XSEM - A Conceptual Model for XML
We propose a new conceptual model for XML data called XSEM as a combination of several approaches in the area of the conceptual modeling for XML. The model divides the conceptual ...
Martin Necasky
CAISE
2006
Springer
13 years 6 months ago
Incremental Evaluation of OCL Constraints
: Integrity checking is aimed at determining whether an operation execution violates a given integrity constraint. To perform this computation efficiently, several incremental meth...
Jordi Cabot, Ernest Teniente
CAISE
2008
Springer
13 years 6 months ago
Validation of UML Conceptual Schemas with Operations
The purpose of validating a conceptual schema is to check whether it specifies what the designer intended. Our approach to validation consists in translating the schema into logic ...
Anna Queralt, Ernest Teniente
CAISE
2006
Springer
13 years 8 months ago
Data Conceptualisation for Web-Based Data-Centred Application Design
The paper describes the conceptualisation process in the ReQuest approach, a wide-spectrum methodology for web-based information systems analysis and development. This methodology ...
Julien Vilz, Anne-France Brogneaux, Ravi Ramdoyal,...
DEXA
2004
Springer
180views Database» more  DEXA 2004»
13 years 10 months ago
Algebra-to-SQL Query Translation for Spatio-Temporal Databases
Although many spatio-temporal conceptual models has been proposed in the last years, users must express their queries on the underlying physical data structures. In the context of ...
Mohammed Minout, Esteban Zimányi