Sciweavers

GIS
2002
ACM
13 years 11 months ago
Web architectures for scalable moving object servers
The paper describes how the Web can be used as a support for intensive querying and display of large moving objects databases. We present first an architecture for a system which ...
Cédric du Mouza, Philippe Rigaux
GIS
2002
ACM
13 years 11 months ago
Performance of multi-dimensional space-filling curves
Mohamed F. Mokbel, Walid G. Aref, Ibrahim Kamel
GIS
2002
ACM
13 years 11 months ago
Aggregation and comparison of trajectories
Dealing with moving objects necessitates having available complete geographical traces for determining exact or possible locations that objects have had, have or will have. This i...
Nirvana Meratnia, Rolf A. de By
GIS
2002
ACM
13 years 11 months ago
Vector map compression: a clustering approach
Shashi Shekhar, Yan Huang, Judy Djugash, Changqing...
GIS
2002
ACM
13 years 11 months ago
A road network embedding technique for k-nearest neighbor search in moving object databases
A very important class of queries in GIS applications is the class of K-Nearest Neighbor queries. Most of the current studies on the K-Nearest Neighbor queries utilize spatial ind...
Cyrus Shahabi, Mohammad R. Kolahdouzan, Mehdi Shar...
GIS
2002
ACM
13 years 11 months ago
Interactive 3D visualization of vector data in GIS
Vector data represents one major category of data managed by GIS. This paper presents a new technique for vector-data display that is able to precisely and efficiently map vector ...
Oliver Kersting, Jürgen Döllner
GIS
2002
ACM
13 years 11 months ago
Metadata modeling in a global computing environment
Emerging computational paradigms such as global and ubiquitous computing require some rethinking and innovative research ideas in many computer science areas. In this work, we aim...
Dieter Pfoser, Evaggelia Pitoura, Nectaria Tryfona
GIS
2002
ACM
13 years 11 months ago
Spatio-temporal evolution: querying patterns of change in databases
This paper contributes a general approach to characterizing patterns of change in a spatio-temporal database. While there is a particular interest in modelling and querying how sp...
Nassima Djafri, Alvaro A. A. Fernandes, Norman W. ...
GIS
2002
ACM
13 years 11 months ago
Handling semantic heterogeneities using declarative agreements
The focus of this paper is on interoperability issues to achieve data integration in distributed databases for geographic applications. Our concrete application is in the context ...
Isabel F. Cruz, Afsheen Rajendran, William Sunna, ...
GIS
2002
ACM
13 years 11 months ago
Opening the black box: interactive hierarchical clustering for multivariate spatial patterns
Clustering is one of the most important tasks for geographic knowledge discovery. However, existing clustering methods have two severe drawbacks for this purpose. First, spatial c...
Diansheng Guo, Donna Peuquet, Mark Gahegan