1231 search results - page 162 / 247 » Updatable Zero-Knowledge Databases |
163
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ICDE
1998
IEEE
16 years 9 days ago
1998
IEEE
?Past R-tree studies have focused on the number of nodes visited as a metric of query performance. Since database systems usually include a buffering mechanism, we propose that the...
169
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SIGMOD
2006
ACM
15 years 11 months ago
2006
ACM
Rapid advancements in positioning systems and wireless communications enable accurate tracking of continuously moving objects. This development poses new challenges to database te...
107
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SIGMOD
2004
ACM
15 years 11 months ago
2004
ACM
Despite the widespread and growing use of asynchronous copies to improve scalability, performance and availability, this practice still lacks a firm semantic foundation. Applicati...
111
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SIGMOD
2001
ACM
15 years 11 months ago
2001
ACM
Materialized views have been found to be very effective at speeding up queries, and are increasingly being supported by commercial databases and data warehouse systems. However, w...
CIKM
2009
Springer
15 years 5 months ago
2009
Springer
Mining frequent itemsets in data streams is beneficial to many real-world applications but is also a challenging task since data streams are unbounded and have high arrival rates...