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GIS
2010
ACM
13 years 8 months ago
Reverse k-Nearest Neighbor monitoring on mobile objects
In this paper we focus on the problem of continuously monitoring the set of Reverse k-Nearest Neighbors (RkNNs) of a query object in a moving object database using a client server...
Tobias Emrich, Hans-Peter Kriegel, Peer Kröge...
GIS
2010
ACM
13 years 8 months ago
Ontuition: intuitive data exploration via ontology navigation
We present Ontuition, a system for mapping ontologies. Transforming data to a usable format for Ontuition involves recognizing and resolving data values corresponding to concepts ...
Marco D. Adelfio, Michael D. Lieberman, Hanan Same...
GIS
2010
ACM
13 years 8 months ago
Investigation of aggregation effects in vegetation condition monitoring at a national scale
Monitoring vegetation condition is an important issue in the Mediterranean region, in terms of both securing food and preventing fires. Vegetation indices (VIs), mathematical tran...
T. K. Alexandridis, T. Katagis, I. Z. Gitas, N. G....
GISCIENCE
2010
Springer
216views GIS» more  GISCIENCE 2010»
13 years 10 months ago
Cognitive Invariants of Geographic Event Conceptualization: What Matters and What Refines?
Behavioral experiments addressing the conceptualization of geographic events are few and far between. Our research seeks to address this deficiency by developing an experimental fr...
Alexander Klippel, Rui Li, Frank Hardisty, Chris W...
GISCIENCE
2010
Springer
192views GIS» more  GISCIENCE 2010»
13 years 10 months ago
Automatic Extraction of Destinations, Origins and Route Parts from Human Generated Route Directions
Researchers from the cognitive and spatial sciences are studying text descriptions of movement patterns in order to examine how humans communicate and understand spatial informatio...
Xiao Zhang, Prasenjit Mitra, Alexander Klippel, Al...