GEOINFO
2007
14 years 2 months ago
2007
GEOINFO
2007
14 years 2 months ago
2007
To carry ecologically-relevant biodiversity research, one must collect chunks of information on species and their habitats from a large number of institutions and correlate them us...
SIROCCO
2010
14 years 2 months ago
2010
This paper studies local-control strategies to estimate the size of a certain event affecting an arbitrary connected subset of nodes in a network. For example, our algorithms allow...
GEOINFO
2007
14 years 2 months ago
2007
Coverage representations, as defined by the OGC specifications, are useful for representing a wide range of geographic phenomena. However, in most GIS projects, coverage representa...
SIROCCO
2010
14 years 2 months ago
2010
Abstract. Two mobile agents (robots) have to meet in an a priori unknown bounded terrain modeled as a polygon, possibly with polygonal obstacles. Robots are modeled as points, and ...
GEOINFO
2007
14 years 2 months ago
2007
In this paper we are interested in storing and perform OLAP queries about various aggregate trajectory properties. We consider a data stream environment where a set of mobile objec...
GEOINFO
2007
14 years 2 months ago
2007
This paper describes a model for spatiotemporal objects whose location is fixed, but its boundaries and properties change. We refer to these as evolving objects. We consider cases ...
GEOINFO
2007
14 years 2 months ago
2007
Polygon clipping is an important operation that computers execute all the time. An algorithm that clips a polygon is rather complex. Each edge of the polygon must be tested against...
EJC
2008
14 years 2 months ago
2008
In this paper we briefly describe a new conceptual model for XML called XSEM. It is a combination of several approaches in the area. It divides the conceptual modeling process to c...
EJC
2008
14 years 2 months ago
2008
In this paper, we propose a news index system which supports users who would like to observe difference in various topics (e.g. politics, economy, education, and culture) among cou...