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» Preserving Semantics When Transforming Conceptual Spatio-tem...
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DBA
2004
140views Database» more  DBA 2004»
13 years 6 months ago
A Tool for Transforming Conceptual Schemas of Spatio-Temporal Databases with Multiple Representation
Nowadays, classical conceptual models (such as ER or UML) are used for designing database applications. These classical conceptual models usually come with associated CASE tools a...
Mohammed Minout, Christine Parent, Esteban Zim&aac...
IJIIDS
2010
115views more  IJIIDS 2010»
13 years 3 months ago
Towards the preservation of functional dependency in XML data transformation
With the advent of XML as a data representation and exchange format over the web, a massive amount of data is being stored in XML. The task of data transformation for integration ...
Md. Sumon Shahriar, Jixue Liu
VLDB
2004
ACM
144views Database» more  VLDB 2004»
14 years 5 months ago
Preserving mapping consistency under schema changes
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
Yannis Velegrakis, Renée J. Miller, Lucian Popa
ER
2007
Springer
184views Database» more  ER 2007»
13 years 11 months ago
Collection Type Constructors in Entity-Relationship Modeling
Abstract. Collections play an important part in everyday life. Therefore, conceptual data models should support collection types to make data modeling as natural as possible for it...
Sven Hartmann, Sebastian Link