201 search results - page 23 / 41 » Extending the Relational Algebra to Capture Complex Objects |
DEXA
2000
Springer
14 years 3 days ago
2000
Springer
View mechanisms, widely used in the relational databases, pose new questions in the object model which captures much more semantics. In this paper, we will focus on inheritance and...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
Existing temporal pattern mining assumes that events do not have any duration. However, events in many real world applications have durations, and the relationships among these ev...
PVLDB
2008
13 years 7 months ago
2008
The dependency propagation problem is to determine, given a view defined on data sources and a set of dependencies on the sources, whether another dependency is guaranteed to hold...
CADE
2006
Springer
14 years 8 months ago
2006
Springer
We introduce a dynamic logic that is enriched by non-rigid functions, i.e., functions that may change their value from state to state (during program execution), and we present a (...
HCI
2009
13 years 5 months ago
2009
Digital scanners are commonplace and are used in many different applications to obtain three-dimensional shapes and linear and circumferential measurements. Even though scanners ca...