6495 search results - page 457 / 1299 » Modeling Multidimensional Databases |
158
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ER
2007
Springer
16 years 1 months ago
2007
Springer
This paper intends to classify, review, and compare the existing languages for the specification of spatial integrity constraints at the conceptual level. We classify these languag...
192
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UML
2005
Springer
16 years 8 days ago
2005
Springer
In this paper we describe a framework for robust system maintenance that addresses specific challenges of data-centric applications. We show that for data-centric applications, cl...
166
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ER
2004
Springer
16 years 6 days ago
2004
Springer
A progressive spatial query retrieves spatial data based on previous queries (e.g., to fetch data in a more restricted area with higher resolution). A direct query, on the other si...
197
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VLDB
1999
ACM
15 years 11 months ago
1999
ACM
An important issue for federated systems of diverse data sources is optimizing cross-source queries, without building knowledge of individual sources into the optimizer. This pape...
175
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EDBT
2010
ACM
15 years 10 months ago
2010
ACM
With more and more social network data being released, protecting the sensitive information within social networks from leakage has become an important concern of publishers. Adve...