745 search results - page 46 / 149 » Towards a Formal Approach for Object Database Design |
158
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ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
APN
1997
Springer
15 years 2 months ago
1997
Springer
Abstract. Inheritance is one of the key issues of object-orientation. The inheritance mechanism allows for the definition of a subclass which inherits the features of a specific ...
SIGMOD
2010
ACM
14 years 10 months ago
2010
ACM
The performance of a database system depends strongly on the layout of database objects, such as indexes or tables, onto the underlying storage devices. A good layout will both ba...
BTW
2009
Springer
15 years 4 months ago
2009
Springer
Abstract: Extract-transform-load (ETL) tools are primarily designed for data warehouse loading, i.e. to perform physical data integration. When the operational data sources happen ...
146
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GIS
2005
ACM
15 years 11 months ago
2005
ACM
When integrating geo-spatial datasets, a join algorithm is used for finding sets of corresponding objects (i.e., objects that represent the same real-world entity). Algorithms for...