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» Computation with imprecise probabilities
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COMPGEOM
2009
ACM
14 years 3 months ago
Persistent cohomology and circular coordinates
Nonlinear dimensionality reduction (NLDR) algorithms such as Isomap, LLE and Laplacian Eigenmaps address the problem of representing high-dimensional nonlinear data in terms of lo...
Vin de Silva, Mikael Vejdemo-Johansson
MOBICOM
2009
ACM
14 years 3 months ago
Data fusion improves the coverage of wireless sensor networks
Wireless sensor networks (WSNs) have been increasingly available for critical applications such as security surveillance and environmental monitoring. An important performance mea...
Guoliang Xing, Rui Tan, Benyuan Liu, Jianping Wang...
MOBICOM
2009
ACM
14 years 3 months ago
Capacity of large-scale CSMA wireless networks
In the literature, asymptotic studies of multi-hop wireless network capacity often consider only centralized and deterministic TDMA (time-division multi-access) coordination schem...
Chi-Kin Chau, Minghua Chen, Soung Chang Liew
SIGECOM
2009
ACM
118views ECommerce» more  SIGECOM 2009»
14 years 3 months ago
Modeling volatility in prediction markets
There is significant experimental evidence that prediction markets are efficient mechanisms for aggregating information and are more accurate in forecasting events than tradition...
Nikolay Archak, Panagiotis G. Ipeirotis
SIGIR
2009
ACM
14 years 3 months ago
Evaluating web search using task completion time
We consider experiments to measure the quality of a web search algorithm based on how much total time users take to complete assigned search tasks using that algorithm. We first ...
Ya Xu, David Mease