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ICDE
1997
IEEE
92views Database» more  ICDE 1997»
16 years 3 months ago
Distributing Semantic Constraints Between Heterogeneous Databases
In recent years, research about distributing databases over networks has become increasingly important. Here we concentrate on the issues of interoperability of heterogeneous DBMS...
Stefan Grufman, Fredrik Samson, Suzanne M. Embury,...
ICDE
1995
IEEE
99views Database» more  ICDE 1995»
16 years 3 months ago
Record Subtyping in Flexible Relations by Means of Attribute Dependencies
The model of flexible relations supports heterogeneous sets of tuples in a strongly typed way. The elegance of the standard relational model is preserved by using a single, generi...
Christian Kalus, Peter Dadam
VIS
2004
IEEE
96views Visualization» more  VIS 2004»
16 years 3 months ago
Interactive Point-Based Isosurface Extraction
We propose a novel point-based approach to view dependent isosurface extraction. We introduce a fast visibility query system for the view dependent traversal, which exhibits moder...
Yarden Livnat, Xavier Tricoche
216
Voted
GIS
2008
ACM
16 years 3 months ago
Mapping geographic coverage of the web
In this paper, we describe a methodology to estimate the geographic coverage of the web without the need for secondary knowledge or complex geo-tagging. This is achieved by random...
Robert Pasley, Paul Clough, Ross S. Purves, Floria...
GIS
2006
ACM
16 years 3 months ago
Representation of periodic moving objects in databases
In the real world, lots of objects with changing position can be found. Some of them repeat the same movement several times, called periodic movements. Examples include airplanes,...
Ralf Hartmut Güting, Thomas Behr, Victor Teix...