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200
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JACM
2010
15 years 1 months ago
2010
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
174
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ICDE
2010
IEEE
15 years 5 months ago
2010
IEEE
Abstract— Existing semantic integration approaches to coordinating data do not meet the needs of real world scenarios which contain fine-grained relationships between data sourc...
164
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FQAS
2006
Springer
15 years 10 months ago
2006
Springer
We present a functional model for the analysis of large volumes of detailed transactional data, accumulated over time. In our model, the data schema is an acyclic graph with a sing...
164
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ESANN
2006
15 years 8 months ago
2006
In this study, a method for hierarchical examination and visualization of GSM data using the Self-Organizing Map (SOM) is described. The data is examined in few phases. At first te...
156
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CLOUDCOM
2010
Springer
15 years 3 months ago
2010
Springer
This paper investigates the problem of Partitioning Skew1 in MapReduce-based system. Our studies with Hadoop, a widely used MapReduce implementation, demonstrate that the presence ...