Sciweavers

321 search results - page 20 / 65
» A Topological Data Model for Spatial Databases
Sort
View
GIS
2000
ACM
13 years 7 months ago
A conceptual framework for incorporating cognitive principles into geographical database representation
The advancement of GIS data models to allow the eOEective utilization of very large heterogeneous geographic databases requires a new approach that incorporates models of human cog...
Jeremy L. Mennis, Donna Peuquet, Liujian Qian
GIS
2005
ACM
14 years 8 months ago
Towards topological consistency and similarity of multiresolution geographical maps
Several application contexts require the ability to use together and compare different geographic datasets (maps) concerning the same or overlapping areas. This is for example the...
Alberto Belussi, Barbara Catania, Paola Podest&agr...
ICMCS
2000
IEEE
171views Multimedia» more  ICMCS 2000»
14 years 3 days ago
A Probabilistic-Based Mechanism for Video Database Management Systems
As more information sources become available in multimedia systems, the development of multimedia database management systems (MDBMSs) to efficiently model and search multimedia ...
Mei-Ling Shyu, Shu-Ching Chen, Rangasami L. Kashya...
ICDE
2009
IEEE
180views Database» more  ICDE 2009»
14 years 9 months ago
Outsourcing Search Services on Private Spatial Data
Social networking and content sharing service providers, e.g., Facebook and Google Maps, enable their users to upload and share a variety of user-generated content, including locat...
Man Lung Yiu, Gabriel Ghinita, Christian S. Jensen...
VLDB
1994
ACM
137views Database» more  VLDB 1994»
13 years 11 months ago
Performance of Data-Parallel Spatial Operations
The performance of data-parallel algorithms for spatial operations using data-parallel variants of the bucket PMR quadtree, R-tree, and R+-tree spatial data structures is compared...
Erik G. Hoel, Hanan Samet