Sciweavers

98 search results - page 3 / 20
» Specifying Schema Mappings for Query Reformulation in Data I...
Sort
View
ICDE
2003
IEEE
102views Database» more  ICDE 2003»
14 years 9 months ago
Schema Mediation in Peer Data Management Systems
Intuitively, data management and data integration tools should be well-suited for exchanging information in a semantically meaningful way. Unfortunately, they suffer from two sign...
Alon Y. Halevy, Zachary G. Ives, Dan Suciu, Igor T...
BTW
2007
Springer
236views Database» more  BTW 2007»
13 years 11 months ago
A Classification of Schema Mappings and Analysis of Mapping Tools
: Schema mapping techniques for data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a target schema via ...
Frank Legler, Felix Naumann
BTW
2005
Springer
142views Database» more  BTW 2005»
14 years 1 months ago
Self-Extending Peer Data Management
Abstract: Peer data management systems (PDMS) are the natural extension of integrated information systems. Conventionally, a single integrating system manages an integrated schema,...
Ralf Heese, Sven Herschel, Felix Naumann, Armin Ro...
VLDB
2007
ACM
135views Database» more  VLDB 2007»
14 years 1 months ago
Self-Organizing Schema Mappings in the GridVine Peer Data Management System
GridVine is a Peer Data Management System based on a decentralized access structure. Built following the principle of data independence, it separates a logical layer – where dat...
Philippe Cudré-Mauroux, Suchit Agarwal, Adr...
PODS
2009
ACM
86views Database» more  PODS 2009»
14 years 8 months ago
Reverse data exchange: coping with nulls
An inverse of a schema mapping M is intended to "undo" what M does, thus providing a way to perform "reverse" data exchange. In recent years, three different f...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...