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DASFAA
2004
IEEE
94views Database» more  DASFAA 2004»
13 years 11 months ago
On View Transformation Support for a Native XML DBMS
XML is becoming the standard data exchange format. View transformation of XML data is important and frequent operation in XML data integration and publishing. In schema-based view ...
Daofeng Luo, Ting Chen, Tok Wang Ling, Xiaofeng Me...
SSD
2007
Springer
139views Database» more  SSD 2007»
14 years 1 months ago
Local Topological Relationships for Complex Regions
Topological relationships between spatial objects are important for querying, reasoning, and indexing of data within spatial databases. These relationships are qualitative and resp...
Mark McKenney, Alejandro Pauly, Reasey Praing, Mar...
IJCSA
2008
126views more  IJCSA 2008»
13 years 7 months ago
The GOQL Language and its Formal Specifications
The Graphical Object Query Language (GOQL) is a graphical query language that complies with the ODMG standard and runs on top of the o2 DBMS. The language provides users with the ...
Euclid Keramopoulos, Philippos Pouyioutas, Tasos P...
OTM
2007
Springer
14 years 1 months ago
Reduction Transformations in ORM
Abstract: This paper proposes extensions to the Object-Role Modeling approach to support schema transformations that eliminate unneeded columns that may arise from standard relatio...
Terry A. Halpin, Andy Carver, Kevin M. Owen
ER
2005
Springer
136views Database» more  ER 2005»
14 years 1 months ago
A Semantic Approach to Query Rewriting for Integrated XML Data
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there has been renewed interest in data integration, where data is dis...
Xia Yang, Mong-Li Lee, Tok Wang Ling, Gillian Dobb...