6905 search results - page 330 / 1381 » Querying Multidimensional Databases |
162
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ICDT
2007
ACM
16 years 26 days ago
2007
ACM
Abstract. Information concerning the origin of data (that is, its provenance) is important in many areas, especially scientific recordkeeping. Currently, provenance information mu...
177
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ADC
2006
Springer
15 years 10 months ago
2006
Springer
XML-based databases have become a major area of in database research. Abstractly speaking they can be considered as a resurrection of complexvalue databases using constructors for...
267
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
Window queries are proving essential to data-stream processing. In this paper, we present an approach for evaluating sliding-window aggregate queries that reduces both space and c...
134
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SIGMOD
1997
ACM
15 years 11 months ago
1997
ACM
In this paper, we study a simple SQL extension that enables query writers to explicitly limit the cardinality of a query result. We examine its impact on the query optimization an...
203
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DEXA
2008
Springer
15 years 8 months ago
2008
Springer
In professional environments which are characterized by a domain (Medicine, Law, etc.), information retrieval systems must be able to process precise queries, mostly because of the...