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» Selectivity estimation in spatial networks
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MOBISYS
2006
ACM
14 years 8 months ago
Improved access point selection
This paper presents Virgil, an automatic access point discovery and selection system. Unlike existing systems that select access points based entirely on received signal strength,...
Anthony J. Nicholson, Yatin Chawathe, Mike Y. Chen...
MOBIDE
2006
ACM
14 years 2 months ago
Evaluation of probabilistic queries in moving objects databases
The representation of moving objects in spatial database systems has become an important research topic in recent years. As it is not realistic to track and store the location of ...
Talel Abdessalem, Laurent Decreusefond, José...
TMC
2011
149views more  TMC 2011»
13 years 3 months ago
Context-Based Network Estimation for Energy-Efficient Ubiquitous Wireless Connectivity
— Context information brings new opportunities for efficient and effective system resource management of mobile devices. In this work we focus on the use of context information t...
Ahmad Rahmati, Lin Zhong
AAAI
2007
13 years 11 months ago
Near-optimal Observation Selection using Submodular Functions
AI problems such as autonomous robotic exploration, automatic diagnosis and activity recognition have in common the need for choosing among a set of informative but possibly expen...
Andreas Krause, Carlos Guestrin
IJBC
2007
72views more  IJBC 2007»
13 years 8 months ago
Centrality Estimation in Large Networks
Centrality indices are an essential concept in network analysis. For those based on shortest-path distances the computation is at least quadratic in the number of nodes, since it ...
Ulrik Brandes, Christian Pich