4081 search results - page 388 / 817 » Metaprogramming for Relational Databases |
156
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SIGMOD
2003
ACM
16 years 7 months ago
2003
ACM
To ensure high data quality, data warehouses must validate and cleanse incoming data tuples from external sources. In many situations, clean tuples must match acceptable tuples in...
209
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SIGMOD
2003
ACM
16 years 7 months ago
2003
ACM
The W3C XQuery language recommendation, based on a hierarchical and ordered document model, supports a wide variety of constructs and use cases. There is a diversity of approaches...
201
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PODS
2003
ACM
16 years 7 months ago
2003
ACM
Full disjunctions are an associative extension of the outerjoin operator to an arbitrary number of relations. Their main advantage is the ability to maximally combine data from di...
147
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EDBT
2009
ACM
16 years 1 months ago
2009
ACM
Existing hierarchical summarization techniques fail to provide synopses good in terms of relative-error metrics. This paper introduces multiplicative synopses: a summarization par...
226
Voted
ADBIS
2007
Springer
16 years 1 months ago
2007
Springer
The method of self-organizing maps (SOM) is a method of exploratory data analysis used for clustering and projecting multi-dimensional data into a lower-dimensional space to reveal...