1179 search results - page 39 / 236 » Query Containment for Data Integration Systems |
121
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VLDB
1995
ACM
15 years 8 months ago
1995
ACM
Scientific data of importance to biologists in the Humitn Genome Project resides not only in conventional da.tabases, but in structured files maintained in a number of different f...
124
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SIGMOD
1998
ACM
15 years 8 months ago
1998
ACM
Database visualization is an area of growing importance as database systems become larger and more accessible. DataSplash is an easy-to-use, integrated environment for navigating,...
134
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ICMCS
2005
IEEE
15 years 10 months ago
2005
IEEE
This paper introduces a new approach of approximating the selectivity of multimedia range queries. Estimating the selectivity of a range query is a pre-requisite to optimize a mul...
144
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DOLAP
2004
ACM
15 years 10 months ago
2004
ACM
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
178
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EDBT
2011
ACM
14 years 8 months ago
2011
ACM
Data integration systems offer users a uniform interface to a set of data sources. Previous work has typically assumed that the data sources are independent of each other; however...