Sciweavers

474 search results - page 8 / 95
» The Use of Information Capacity in Schema Integration and Tr...
Sort
View
BTW
2001
Springer
129views Database» more  BTW 2001»
13 years 12 months ago
Schema Evolution in Federated Information Systems
Mediators – used in federated information systems – provide a homogeneous read-only access to a set of autonomous information sources. To achieve semantic integration of the h...
Susanne Busse, Claudia Pons
CAISE
2007
Springer
14 years 1 months ago
Generic Schema Merging
Schema merging is the process of integrating several schemas into a common, unified schema. There have been various approaches to schema mergusing on particular modeling languages...
Christoph Quix, David Kensche, Xiang Li 0002
JLP
2000
102views more  JLP 2000»
13 years 7 months ago
Recursive Query Plans for Data Integration
Generating query-answering plans for data integration systems requires to translate a user query, formulated in terms of a mediated schema, to a query that uses relations that are...
Oliver M. Duschka, Michael R. Genesereth, Alon Y. ...
HOTSWUP
2009
ACM
14 years 3 days ago
Automating Database Schema Evolution in Information System Upgrades
The complexity, cost, and down-time currently created by the database schema evolution process is the source of incessant problems in the life of information systems and a major s...
Carlo Curino, Hyun Jin Moon, Carlo Zaniolo
SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
14 years 7 months ago
Constraint-Based XML Query Rewriting For Data Integration
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
Cong Yu, Lucian Popa