1860 search results - page 199 / 372 » A Model of Queries for Object-Oriented Databases |
135
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FTDB
2007
15 years 4 months ago
2007
Database Management Systems (DBMSs) are a ubiquitous and critical component of modern computing, and the result of decades of research and development in both academia and industr...
147
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SIGMOD
2001
ACM
16 years 4 months ago
2001
ACM
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
132
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URBAN
2008
15 years 4 months ago
2008
Intuitive and meaningful interpretation of geographical phenomena requires their representation at multiple levels of detail. This is due to the scale dependent nature of their pr...
165
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ISI
2002
Springer
15 years 4 months ago
2002
Springer
Dealing with large volumes of data, OLAP data cubes aggregated values are often spoiled by errors due to missing values in detailed data. This paper suggests to adjust aggregate an...
139
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DBSEC
2010
15 years 6 months ago
2010
The intent of peer data management systems (PDMS) is to share as much data as possible. However, in many applications leveraging sensitive data, users demand adequate mechanisms to...