Sciweavers

511 search results - page 12 / 103
» Inverting schema mappings
Sort
View
VLDB
2011
ACM
245views Database» more  VLDB 2011»
13 years 2 months ago
Normalization and optimization of schema mappings
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
Georg Gottlob, Reinhard Pichler, Vadim Savenkov
ICDE
2007
IEEE
103views Database» more  ICDE 2007»
14 years 9 months ago
A Semantic Approach to Discovering Schema Mapping Expressions
In many applications it is important to find a meaningful relationship between the schemas of a source and target database. This relationship is expressed in terms of declarative ...
Alexander Borgida, John Mylopoulos, Renée J...
CORR
2011
Springer
174views Education» more  CORR 2011»
13 years 2 months ago
Left invertibility of discrete-time output-quantized systems: the linear case with finite inputs
This paper studies left invertibility of discrete-time linear output-quantized systems. Quantized outputs are generated according to a given partition of the state-space, while inp...
Nevio Dubbini, Benedetto Piccoli, Antonio Bicchi
CIDR
2009
136views Algorithms» more  CIDR 2009»
13 years 8 months ago
The Role of Schema Matching in Large Enterprises
To date, the principal use case for schema matching research has been as a precursor for code generation, i.e., constructing mappings between schema elements with the end goal of ...
Ken Smith, Michael Morse, Peter Mork, Maya Hao Li,...
JACM
2010
120views more  JACM 2010»
13 years 2 months ago
The structure of inverses in schema mappings
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...
Ronald Fagin, Alan Nash