1933 search results - page 32 / 387 » Query Containment Using Views |
234
Voted
ICDE
2005
IEEE
16 years 3 months ago
2005
IEEE
Data warehousing and on-line analytical processing (OLAP) are essential for decision support applications. Common OLAP operations include for example drill down, roll up, pivot an...
104
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BNCOD
2007
15 years 3 months ago
2007
Query performance issues over semi-structured data have led to the emergence of materialised XML views as a means of restricting the data structure processed by a query. However p...
108
Voted
DEBU
2006
15 years 2 months ago
2006
The Web contains a vast amount of text that can only be queried using simple keywords-in, documentsout search queries. But Web text often contains structured elements, such as hot...
113
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PODS
2010
ACM
15 years 7 months ago
2010
ACM
This paper approaches the incremental view maintenance problem from an algebraic perspective. We construct a ring of databases and use it as the foundation of the design of a quer...
132
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DPD
1998
15 years 1 months ago
1998
A warehouse is a data repository containing integrated information for e cient querying and analysis. Maintaining the consistencyof warehouse data is challenging, especially if the...