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» XML Schema Mappings for Heterogeneous Database Access
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FDBS
2001
108views more  FDBS 2001»
13 years 9 months ago
Combining a Formal with an Example-driven Approach for Data Integration
Integrating data sources is a general problem in many scenarios. The main problem is the heterogeneity between data sources which were created and developed separately. In the lit...
Ingolf Geist, Kai-Uwe Sattler, Ingo Schmitt
NAR
1998
94views more  NAR 1998»
13 years 7 months ago
HuGeMap: a distributed and integrated Human Genome Map database
The HuGeMap database stores the major genetic and physical maps of the human genome. It is also interconnected with the gene radiation hybrid mapping database RHdb. HuGeMap is acc...
Emmanuel Barillot, Frédéric Guyon, C...
BTW
2001
Springer
129views Database» more  BTW 2001»
14 years 1 days ago
Schema Evolution in Federated Information Systems
Mediators – used in federated information systems – provide a homogeneous read-only access to a set of autonomous information sources. To achieve semantic integration of the h...
Susanne Busse, Claudia Pons
DGO
2004
102views Education» more  DGO 2004»
13 years 9 months ago
A Web Query System for Heterogeneous Government Data
This paper describes a Web-based query system for semantically heterogeneous government-produced data. Geospatial Web-based information systems and portals are currently being dev...
Nancy Wiegand, Naijun Zhou, Isabel F. Cruz, Willia...
EDBT
2006
ACM
177views Database» more  EDBT 2006»
14 years 7 months ago
Authorization-Transparent Access Control for XML Under the Non-Truman Model
In authorization-transparent access control, users formulate their queries against the database schema rather than against authorization views that transform and hide data. The Tru...
Alberto O. Mendelzon, Renée J. Miller, Yaro...