121 search results - page 13 / 25 » A General Framework for Estimating XML Query Cardinality |
110
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HPDC
2008
IEEE
15 years 6 months ago
2008
IEEE
If the model of free-form queries, which has proved successful for HTML based search on the Web, is made available for Grid services, it will serve as a powerful tool for scientis...
132
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PODS
2005
ACM
15 years 12 months ago
2005
ACM
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. Pro...
100
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CIKM
2005
Springer
15 years 5 months ago
2005
Springer
Accurately and efficiently estimating the number of distinct values for some attribute(s) or sets of attributes in a data set is of critical importance to many database operation...
INFOCOM
2011
IEEE
14 years 3 months ago
2011
IEEE
—Consider a distributed system with n nodes where each node holds a multiset of items. In this paper, we design sampling algorithms that allow us to estimate the global frequency...
WWW
2005
ACM
16 years 12 days ago
2005
ACM
We describe a framework of bootstrapped hypothesis testing for estimating the confidence in one web search engine outperforming another over any randomly sampled query set of a gi...