1231 search results - page 156 / 247 » Updatable Zero-Knowledge Databases |
PODS
2010
ACM
15 years 4 months ago
2010
ACM
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...
108
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VLDB
1999
ACM
15 years 3 months ago
1999
ACM
As random access memory gets cheaper, it becomes increasingly affordable to build computers with large main memories. We consider decision support workloads within the context of...
SIGIR
1995
ACM
15 years 2 months ago
1995
ACM
The full integration of information retrieval (IR) features into a database management system (DBMS) has long been recognized as both a significant goal and a challenging undertak...
172
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ICDE
2006
IEEE
16 years 12 days ago
2006
IEEE
XML schema design has two opposing goals: elimination of update anomalies requires that the schema be as normalized as possible; yet higher query performance and simpler query exp...
172
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ICDE
2005
IEEE
16 years 12 days ago
2005
IEEE
We consider the problem of efficiently computing the skyline against the most recent N elements in a data stream seen so far. Specifically, we study the n-of-N skyline queries; th...