2299 search results - page 236 / 460 » Logical Data Expiration |
154
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TIME
2003
IEEE
15 years 12 months ago
2003
IEEE
In bitemporal databases, current facts and transaction states are modelled using a special value to represent the current time (such as a minimum or maximum timestamp or NULL). Pr...
169
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CAISE
2003
Springer
15 years 11 months ago
2003
Springer
Extraction-Transformation-Loading (ETL) tools are pieces of software responsible for the extraction of data from several sources, their cleansing, customization and insertion into ...
166
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VLDB
2001
ACM
15 years 11 months ago
2001
ACM
: We present a change-centric method to manage versions in a Web WareHouse of XML data. The starting points is a sequence of snapshots of XML documents we obtain from the web. By r...
163
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VTS
2000
IEEE
15 years 11 months ago
2000
IEEE
Redundancy techniques are commonly used to design dependable systems to ensure high reliability, availability and data integrity. Triple Modular Redundancy (TMR) is a widely used ...
188
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DBPL
1997
Springer
15 years 10 months ago
1997
Springer
Abstract. In the context of the object-oriented data model, a compiletime approach is given that provides for a significant reduction of the amount of run-time transaction overhead...