137 search results - page 3 / 28 » Using Unity to Semi-Automatically Integrate Relational Schem... |
EKAW
2000
Springer
14 years 1 months ago
2000
Springer
A common problem of ontologies is that their taxonomic structure is often poor and confusing. This is typically exemplified by the unrestrained use of subsumption to accomplish a v...
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
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...
INFORMATICALT
2002
13 years 9 months ago
2002
In this paper, we present our Form-driven approach for reverse engineering of relationa databases. This methodology uses the information extracted from both form structure and inst...
ENTCS
2002
13 years 9 months ago
2002
When different mathematical models are used for software analysis and development it is important to understand their relationships. When the models are truly mathematical, and wh...
EDBT
2006
ACM
14 years 10 months ago
2006
ACM
A database schema should be able to evolve to reflect changes to the universe it represents. In existing systems, user transactions get blocked during complex schema transformation...