Sciweavers

GIS
2010
ACM
13 years 3 months ago
Querying the future of spatio-temporal objects
Since navigation systems and tracking devices are becoming ubiquitous in our daily life, the development of efficient methods for processing massive sets of mobile objects are of ...
Philip Schmiegelt, Bernhard Seeger
SP
2002
IEEE
139views Security Privacy» more  SP 2002»
13 years 4 months ago
Mobile objects in Java
Mobile Objects in Java provides support for object mobility in Java. Similarly to the RMI technique, a notion of client-side stub, called startpoint, is used to communicate transp...
Luc Moreau, Daniel Ribbens
DEBU
2002
116views more  DEBU 2002»
13 years 4 months ago
Indexing Mobile Objects Using Duality Transforms
We present techniques to index mobile objects in order to efficiently answer range queries about their future positions. This problem appears in real-life applications, such as pr...
Dimitris Papadopoulos, George Kollios, Dimitrios G...
PDPTA
2003
13 years 5 months ago
Managing Flocking Objects with an Octree Spanning a Parallel Message-Passing Computer Cluster
We investigate the management of flocking mobile objects using a parallel message-passing computer cluster. An octree, a data structure well-known for use in managing a 3D space, ...
Thomas E. Portegys, Kevin M. Greenan
GEOINFO
2004
13 years 6 months ago
Representing Uncertainty, Profile and Movement History in Mobile Objects Databases
: This paper presents a model of data for mobile objects. The model is represented by spatial-temporal classes with mobility aspects, and represents the route and the trajectories ...
Eduardo Nóbrega, José Tiago Rolim, V...
COMAD
2008
13 years 6 months ago
Concurrency Control in Distributed MRA Index Structure
Answering aggregate queries like sum, count, min, max over regions containing moving objects is often needed for virtual world applications, real-time monitoring systems, etc. Sin...
Neha Singh, S. Sudarshan
MA
2000
Springer
135views Communications» more  MA 2000»
13 years 8 months ago
Principles of Mobile Maude
Mobile Maude is a mobile agent language extending the rewriting logic language Maude and supporting mobile computation. Mobile Maude uses reflection to obtain a simple and general ...
Francisco Durán, Steven Eker, Patrick Linco...
COOPIS
2004
IEEE
13 years 8 months ago
Application Adaptation Through Transparent and Portable Object Mobility in Java
This paper describes MobJeX, an adaptive Java based application framework that uses a combination of pre-processing and runtime support to provide transparent object mobility (incl...
Caspar Ryan, Christopher Westhorpe
DEXA
2007
Springer
107views Database» more  DEXA 2007»
13 years 8 months ago
When Mobile Objects' Energy Is Not So Tight: A New Perspective on Scalability Issues of Continuous Spatial Query Systems
The two dominant costs in continuous spatial query systems are the wireless communication cost for location update, and the evaluation cost for query processing. Existing works add...
Tai T. Do, Fuyu Liu, Kien A. Hua
DEXAW
1998
IEEE
98views Database» more  DEXAW 1998»
13 years 8 months ago
An Information Model for Nomadic Environments
In this paper we present a software architecture which facilitates nomadic computing in an Open Distributed Computing environment. We introduce a model for the description of mobi...
Andy Bond, Matthew Gallagher, Jadwiga Indulska