410 search results - page 45 / 82 » Optimizing Queries with Materialized Views |
IDEAS
2007
IEEE
15 years 4 months ago
2007
IEEE
In this paper we study the problem of deciding whether a regular path query over views in data-integration systems can be re-expressed without recursion. The problem becomes chall...
SP
1996
IEEE
15 years 1 months ago
1996
IEEE
View-based access control enables content-based and context-based security, as opposed to container-based security provided in operating systems. However, view-based access contro...
102
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DEXA
2011
Springer
13 years 9 months ago
2011
Springer
In this article we present RoSeS (Really Open Simple and Efficient Syndication), a generic framework for content-based RSS feed querying and aggregation. RoSeS is based on a data-...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
The Web has been rapidly “deepened” by myriad searchable databases online, where data are hidden behind query forms. Helping users query alternative “deep Web” sources in ...
112
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DMDW
2000
14 years 11 months ago
2000
Data warehousing is a software infrastructure which supports OLAP applications by providing a collection of tools which allow data extraction and cleaning, data integration and ag...