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GIS
2010
ACM
13 years 6 months ago
Finding similar users using category-based location history
In this paper, we aim to estimate the similarity between users according to their GPS trajectories. Our approach first models a user’s GPS trajectories with a semantic location ...
Xiangye Xiao, Yu Zheng, Qiong Luo, Xing Xie
CGA
2010
13 years 5 months ago
Context-Preserving, Dynamic Word Cloud Visualization
In this paper, we introduce a visualization method that couples a trend chart with word clouds to illustrate temporal content evolutions in a set of documents. Specifically, we us...
Weiwei Cui, Yingcai Wu, Shixia Liu, Furu Wei, Mich...
GEOINFORMATICA
2011
13 years 2 months ago
Functional description of geoprocessing services as conjunctive datalog queries
Discovery of suitable web services is a crucial task in Spatial Data Infrastructures (SDI). In this work, we develop a novel approach to the discovery of geoprocessing services (WP...
Daniel Fitzner, Jörg Hoffmann, Eva Klien
TDP
2010
189views more  TDP 2010»
13 years 2 months ago
The PROBE Framework for the Personalized Cloaking of Private Locations
The widespread adoption of location-based services (LBS) raises increasing concerns for the protection of personal location information. A common strategy, referred to as obfuscati...
Maria Luisa Damiani, Elisa Bertino, Claudio Silves...
KES
2005
Springer
14 years 1 months ago
Ontology Modeling and Storage System for Robot Context Understanding
Abstract. A mobile robot that interacts with its environment needs a machineunderstandable representation of objects and their usages. We present an ontology of objects, with gener...
Eric Wang, Yong Se Kim, Hak Soo Kim, Jin Hyun Son,...