186 search results - page 13 / 38 » Queries and materialized views on probabilistic databases |
SIGMOD
2011
ACM
14 years 9 days ago
2011
ACM
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
ADBIS
2005
Springer
15 years 3 months ago
2005
Springer
We present a formal analysis of the following view-selection problem: Given a set of queries and a database, return definitions of views that, when materialized in the database, w...
CAISE
1999
Springer
15 years 1 months ago
1999
Springer
Abstract. A global Data warehouse (DW) integrates data from multiple distributed heterogeneous databases and other information sources. DW can be abstractly seen as a set of materi...
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SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
DASFAA
2004
IEEE
15 years 1 months ago
2004
IEEE
Abstract. Although XML is the dominant standard for publishing and exchanging data for Internet-based business applications, data is typically stored in relational or object-relati...