673 search results - page 3 / 135 » Capturing both Types and Constraints in Data Integration |
AGENTS
1997
Springer
13 years 9 months ago
1997
Springer
Most sensors used for robot navigation fall into one of two broad categories: range sensors that give approximate distances to obstacles, and object-based sensors that detect and ...
GIS
1999
ACM
13 years 9 months ago
1999
ACM
An important activity in the design of a particular database application consists in identifying the integrity constraints that must hold on the database, and that are used to det...
FOIKS
2004
Springer
13 years 8 months ago
2004
Springer
When two or more databases are combined into a global one, integrity may be violated even when each database is consistent with its own local integrity constraints. Efficient metho...
VLDB
2007
ACM
14 years 5 months ago
2007
ACM
Several recent papers have focused on OLAP over imprecise data, where each fact can be a region, instead of a point, in a multidimensional space. They have provided a multiple-wor...
IJCAI
2003
13 years 6 months ago
2003
In data-integration systems, information sources often have various constraints such as “all houses stored at a source have a unique address.” These constraints are very usefu...