3403 search results - page 136 / 681 » A Query System in a Biological Database |
130
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BTW
2007
Springer
15 years 10 months ago
2007
Springer
: Database-internal statistics are very important for cost-based query optimizers. Only if an optimizer has accurate statistical information about data, it provides excellent execu...
209
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VLDB
2002
ACM
16 years 4 months ago
2002
ACM
Several organizations have developed very large market basket databases for the maintenance of customer transactions. New applications, e.g., Web recommendation systems, present th...
349
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ICDE
2009
IEEE
16 years 6 months ago
2009
IEEE
Auditing the changes to a database is critical for identifying malicious behavior, maintaining data quality, and improving system performance. But an accurate audit log is a histor...
157
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SEMWEB
2009
Springer
15 years 9 months ago
2009
Springer
RDF is an increasingly important paradigm for the representation of information on the Web. As RDF databases increase in size to approach tens of millions of triples, and as sophis...
221
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DEBS
2011
ACM
2011
ACM
DejaVu: a complex event processing system for pattern matching over live and historical data streams
14 years 8 months ago
This short paper provides an overview of the DejaVu complex event processing (CEP) system, with an emphasis on its novel architecture and query optimization techniques for correla...