332 search results - page 39 / 67 » Materialized Views and Data Warehouses |
123
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EDBT
2012
ACM
13 years 2 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
175
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ICDE
2004
IEEE
16 years 1 months ago
2004
IEEE
Data integration over multiple heterogeneous data sources has become increasingly important for modern applications. The integrated data is usually stored in materialized views fo...
192
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VLDB
2001
ACM
16 years 6 hour ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessing...
116
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DOLAP
2005
ACM
15 years 1 months ago
2005
ACM
Online Analytical Processing is a powerful framework for the analysis of organizational data. OLAP is often supported by a logical structure known as a data cube, a multidimension...
160
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SIGMOD
2006
ACM
15 years 12 months ago
2006
ACM
Real-world data -- especially when generated by distributed measurement infrastructures such as sensor networks -- tends to be incomplete, imprecise, and erroneous, making it impo...