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» A Calculus for Data Mapping
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ICDE
2003
IEEE
107views Database» more  ICDE 2003»
14 years 9 months ago
Managing Data Mappings in the Hyperion Project
We consider the problem of mapping data in peerto-peer systems. Such systems rely on simple value searches to locate data of interest. However, different peers may use different v...
Anastasios Kementsietsidis, Marcelo Arenas, Ren&ea...
ICDT
2010
ACM
133views Database» more  ICDT 2010»
14 years 18 days ago
On the Tradeoff between Mapping and Querying Power in XML Data Exchange
In XML data exchange, a schema mapping specifies rules for restructuring a source document under the target schema, and queries over the target document must be answered in a way...
Shunichi Amano, Claire David, Leonid Libkin, Filip...
ADBIS
2007
Springer
145views Database» more  ADBIS 2007»
14 years 1 months ago
A Method for Comparing Self-organizing Maps: Case Studies of Banking and Linguistic Data
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...
Toomas Kirt, Ene Vainik, Leo Vohandu
ISTA
2004
13 years 9 months ago
A Data Transformation Method Based on Schema Mapping
: Schema mapping is an important approach to solve the problem of data integration. This paper introduces a research prototype called SDE, which is a system for managing and facili...
You Li, Dongbo Liu, Weiming Zhang
PODS
2010
ACM
223views Database» more  PODS 2010»
13 years 9 months ago
Characterizing schema mappings via data examples
Schema mappings are high-level specifications that describe the relationship between two database schemas; they are considered to be the essential building blocks in data exchange...
Bogdan Alexe, Phokion G. Kolaitis, Wang Chiew Tan