Sciweavers

316 search results - page 47 / 64
» Approximation algorithms for hierarchical location problems
Sort
View
AUSAI
2010
Springer
14 years 7 months ago
A Heuristic on Effective and Efficient Clustering on Uncertain Objects
We study the problem of clustering uncertain objects whose locations are uncertain and described by probability density functions. We analyze existing pruning algorithms and experi...
Edward Hung, Lei Xu, Chi-Cheong Szeto
GLOBECOM
2009
IEEE
15 years 4 months ago
Anonymous Cardinality Estimation in RFID Systems with Multiple Readers
— In this paper, we study the anonymous cardinality estimation problem in radio frequency identification (RFID) systems. To preserve privacy and anonymity, each tag only transmi...
Vahid Shah-Mansouri, Vincent W. S. Wong
SIAMIS
2010
114views more  SIAMIS 2010»
14 years 8 months ago
Improved Total Variation-Type Regularization Using Higher Order Edge Detectors
We present a novel deconvolution approach to accurately restore piecewise smooth signals from blurred data. The first stage uses Higher Order Total Variation restorations to obtai...
Wolfgang Stefan, Rosemary A. Renaut, Anne Gelb
TKDE
2012
199views Formal Methods» more  TKDE 2012»
13 years 9 hour ago
Subscriber Assignment for Wide-Area Content-Based Publish/Subscribe
— We study the problem of assigning subscribers to brokers in a wide-area content-based publish/subscribe system. A good assignment should consider both subscriber interests in t...
Albert Yu, Pankaj K. Agarwal, Jun Yang
SIGMETRICS
2010
ACM
214views Hardware» more  SIGMETRICS 2010»
15 years 2 months ago
Distributed sensor network localization from local connectivity: performance analysis for the HOP-TERRAIN algorithm
This paper addresses the problem of determining the node locations in ad-hoc sensor networks when only connectivity information is available. In previous work, we showed that the ...
Amin Karbasi, Sewoong Oh