3524 search results - page 441 / 705 » Issues in Active Databases |
155
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DASFAA
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract. Continuous spatial queries retrieve a set of time-varying objects continuously during a given period of time. However, monitoring moving objects to maintain the correctne...
131
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DASFAA
2009
IEEE
15 years 11 months ago
2009
IEEE
Existing xml query pattern-based caching strategies focus on extracting the set of frequently issued query pattern trees (qpt) based on the support of the qpts in the history. Thes...
122
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DASFAA
2009
IEEE
15 years 11 months ago
2009
IEEE
To succeed in their tasks, users need to manage data with the most adequate quality levels possible according to specific data quality models. Typically, data quality assessment co...
140
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
The topic of managing uncertain data has been explored in many ways. Different methodologies for data storage and query processing have been proposed. As the availability of manag...
133
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SAC
2009
ACM
15 years 11 months ago
2009
ACM
XML data warehouses form an interesting basis for decisionsupport applications that exploit heterogeneous data from multiple sources. However, XML-native database systems currentl...