6650 search results - page 253 / 1330 » Mutating database queries |
134
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SSDBM
2006
IEEE
15 years 10 months ago
2006
IEEE
Large scale scientific data is often stored in scientific data formats such as FITS, netCDF and HDF. These storage formats are of particular interest to the scientific user com...
126
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ICDT
2007
ACM
15 years 10 months 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...
135
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ADC
2006
Springer
15 years 8 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...
216
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SIGMOD
2005
ACM
16 years 4 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...
SIGMOD
1997
ACM
15 years 8 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...