90 search results - page 4 / 18 » Realms: A Foundation for Spatial Data Types in Database Syst... |
GIS
2004
ACM
14 years 6 months ago
2004
ACM
Motivated by the increasing need to handle complex multidimensional data in location-based data warehouses, this paper proposes a powerful data model that is able to capture the c...
GIS
2004
ACM
14 years 6 months ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
SAC
2005
ACM
13 years 11 months ago
2005
ACM
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague ...
GIS
2002
ACM
13 years 5 months ago
2002
ACM
Enterprises in the public and private sectors have been making their large spatial data archives available over the Internet. However, interactive work with such large volumes of ...
SDB
1995
13 years 9 months ago
1995
In this paper we discuss two data models for spatial database systems: the linear data model and the topological data model. Both can be used to model a wide range of applications....