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GIS
2007
ACM
15 years 11 months ago
Dynamic storage balancing in a distributed spatial index
We propose a general framework to index very large datasets of spatial data in a distributed system. Our proposal is built on the recently proposed Scalable Distributed Rtree (SD-...
Cédric du Mouza, Philippe Rigaux, Witold Li...
GIS
2007
ACM
15 years 11 months ago
Hierarchical photo organization using geo-relevance
We present a novel framework for organizing large collections of images in a hierarchical way, based on scene semantics. Rather than score images directly, we use them to score th...
Boris Epshtein, Eyal Ofek, Yonatan Wexler, Pusheng...
W2GIS
2007
Springer
15 years 4 months ago
Historic Queries in Geosensor Networks
Abstract. This paper addresses—to our knowledge, for the first time—the problem of querying a geosensor network—a sensor network of mobile, locationaware nodes—for histori...
Stephan Winter, Sören Dupke, Lin Jie Guan, Ca...
W2GIS
2007
Springer
15 years 4 months ago
Towards the Next Generation of Location-Based Services
Location-based services (LBS) constitute an emerging application domain rapidly introduced in modern life habits. However, given that LBS already count a few years of commercial li...
Elias Frentzos, Kostas Gratsias, Yannis Theodoridi...
GIS
2007
ACM
15 years 11 months ago
Approximate order-k Voronoi cells over positional streams
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
Kostas Patroumpas, Theofanis Minogiannis, Timos K....