403 search results - page 21 / 81 » Constraint Databases and Geographic Information Systems |
SDB
1995
15 years 3 months ago
1995
Database transformations arise in many di erent settings including database integration, evolution of database systems, and implementing user views and data-entry tools. This paper...
VLDB
2001
ACM
15 years 4 months ago
2001
ACM
Much of the data that we encounter has a spatial (geographic locational) aspect yet this has not been readily exploited by traditional RDBMS. Over the past five years there has be...
CONSTRAINTS
1998
14 years 11 months ago
1998
Graphs are widely used for information visualization purposes, since they provide a natural and intuitive tation of complex abstract structures. The automatic generation of drawing...
BTW
2003
Springer
15 years 5 months ago
2003
Springer
: The presentation claims that architectural design plays a crucial role in system development as a first step in a process that turns a requirements specification into a working s...
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CORR
2002
Springer
14 years 11 months ago
2002
Springer
A relational database is inconsistent if it does not satisfy a given set of integrity constraints. Nevertheless, it is likely that most of the data in it is consistent with the co...