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MOBIHOC
2010
ACM
15 years 4 months ago
Spectrum pricing games with bandwidth uncertainty and spatial reuse in cognitive radio networks
In cognitive radio networks (CRN), primary users can lease out their unused bandwidth to secondary users in return for a fee. We study price competition in a CRN with multiple pri...
Gaurav S. Kasbekar, Saswati Sarkar
CVPR
2007
IEEE
16 years 8 months ago
Beyond bottom-up: Incorporating task-dependent influences into a computational model of spatial attention
A critical function in both machine vision and biological vision systems is attentional selection of scene regions worthy of further analysis by higher-level processes such as obj...
Robert J. Peters, Laurent Itti
ATAL
2009
Springer
16 years 1 months ago
Increasing the expressiveness of virtual agents: autonomous generation of speech and gesture for spatial description tasks
Embodied conversational agents are required to be able to express themselves convincingly and autonomously. Based on an empirial study on spatial descriptions of landmarks in dire...
Kirsten Bergmann, Stefan Kopp
JCDL
2004
ACM
175views Education» more  JCDL 2004»
16 years 5 days ago
Supporting personal collections across digital libraries in spatial hypertext
Creating, maintaining, or using a digital library requires the manipulation of digital documents. Information workspaces provide a visual representation allowing users to collect,...
Frank M. Shipman III, Hao-wei Hsieh, J. Michael Mo...
COSIT
2011
Springer
269views GIS» more  COSIT 2011»
14 years 6 months ago
Analyzing the Spatial-Semantic Interaction of Points of Interest in Volunteered Geographic Information
With the increasing success and commercial integration of Volunteered Geographic Information (VGI), the focus shifts away from coverage to data quality and homogeneity. Within the ...
Christoph Mülligann, Krzysztof Janowicz, Mao ...