Sciweavers

479 search results - page 15 / 96
» Schema mapping discovery from data instances
Sort
View
GLOBE
2008
Springer
14 years 10 months ago
Query Propagation in a P2P Data Integration System in the Presence of Schema Constraints
This paper addresses the problem of data integration in a P2P environment, where each peer stores schema of its local data, mappings between the schemas, and some schema constraint...
Tadeusz Pankowski
72
Voted
SIGMOD
2011
ACM
169views Database» more  SIGMOD 2011»
14 years 13 days 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
73
Voted
CSB
2005
IEEE
142views Bioinformatics» more  CSB 2005»
15 years 3 months ago
BioMap: Discovering Schema Mapping Using Ontologies
Biologists currently devote significant time and effort searching information for their research. The wide diversity in terminology used inhibit effective computerized and manual...
Zoé Lacroix, Sumedha Gholba, Hervé M...
94
Voted
VLDB
2011
ACM
245views Database» more  VLDB 2011»
14 years 4 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
SIGMOD
2009
ACM
132views Database» more  SIGMOD 2009»
15 years 9 months ago
Core schema mappings
Research has investigated mappings among data sources under two perspectives. On one side, there are studies of practical tools for schema mapping generation; these focus on algor...
Giansalvatore Mecca, Paolo Papotti, Salvatore Raun...