Sciweavers

Share
443 search results - page 2 / 89
» Sample-driven schema mapping
Sort
View
VLDB
2011
ACM
245views Database» more  VLDB 2011»
12 years 6 months ago
Normalization and optimization of schema mappings
Schema mappings are high-level speciļ¬cations 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
JACM
2010
120views more  JACM 2010»
12 years 6 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
SIGMOD
2011
ACM
169views Database» more  SIGMOD 2011»
12 years 2 months ago
Leveraging query logs for schema mapping generation in U-MAP
In this paper, we introduce U-MAP, a new system for schema mapping generation. U-MAP builds upon and extends existing schema mapping techniques. However, it mitigates some key pro...
Hazem Elmeleegy, Ahmed K. Elmagarmid, Jaewoo Lee
PVLDB
2008
119views more  PVLDB 2008»
12 years 10 months ago
Comparing and evaluating mapping systems with STBenchmark
Schema mappings are fundamental building blocks in many information integration applications. Designing mappings is a timeconsuming process and for that reason many mapping system...
Bogdan Alexe, Wang Chiew Tan, Yannis Velegrakis
IAJIT
2010
133views more  IAJIT 2010»
12 years 10 months ago
Mediation Queries Adaptation After the Removal of a Data Source
: A broad variety of data is available in distinct heterogeneous sources, stored under different formats: database formats (in relational and object-oriented models), document form...
Latifa Baba-hamed
books