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» Schema Versioning in Data Warehouses
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VLDB
2007
ACM
104views Database» more  VLDB 2007»
14 years 7 months ago
Inverse Functions in the AquaLogic Data Services Platform
When integrating data from heterogeneous sources, it is often necessary to transform both the schemas and the data from the underlying sources in order to present the integrated d...
Nicola Onose, Vinayak R. Borkar, Michael J. Carey
SIGMOD
2008
ACM
158views Database» more  SIGMOD 2008»
14 years 7 months ago
Column-stores vs. row-stores: how different are they really?
There has been a significant amount of excitement and recent work on column-oriented database systems ("column-stores"). These database systems have been shown to perfor...
Daniel J. Abadi, Samuel Madden, Nabil Hachem
AAAI
2006
13 years 8 months ago
Inexact Matching of Ontology Graphs Using Expectation-Maximization
We present a new method for mapping ontology schemas that address similar domains. The problem of ontology mapping is crucial since we are witnessing a decentralized development a...
Prashant Doshi, Christopher Thomas
BDA
2006
13 years 8 months ago
Integrating Correction into Incremental Validation
Many data on the Web are XML documents. An XML document is an unranked labelled tree. A schema for XML documents (for instance a DTD) is the specification of their internal structu...
Béatrice Bouchou, Ahmed Cheriat, Mirian Hal...
ICDE
2002
IEEE
175views Database» more  ICDE 2002»
14 years 8 months ago
Detecting Changes in XML Documents
We present a diff algorithm for XML data. This work is motivated by the support for change control in the context of the Xyleme project that is investigating dynamic warehouses ca...
Gregory Cobena, Serge Abiteboul, Amélie Mar...