GEOINFO
2007
13 years 10 months ago
2007
GEOINFO
2007
13 years 10 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
13 years 10 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...
SIROCCO
2010
13 years 10 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
13 years 10 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...
GEOINFO
2007
13 years 10 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
13 years 10 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
13 years 10 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
13 years 10 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
13 years 10 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...