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ISBI
2002
IEEE
16 years 8 months ago
Correction for external LOR effects in listmode reconstruction for PET
In PET imaging listmode is an alternative for projections to store the acquisition data with more accuracy. The reconstruction starting from the listmode format requires different...
Stefaan Vandenberghe, Yves D'Asseler, Rik Van de W...
PODS
2005
ACM
211views Database» more  PODS 2005»
16 years 7 months ago
Join-distinct aggregate estimation over update streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. Pro...
Sumit Ganguly, Minos N. Garofalakis, Amit Kumar, R...
PODS
2006
ACM
134views Database» more  PODS 2006»
16 years 7 months ago
Finding global icebergs over distributed data sets
Finding icebergs ? items whose frequency of occurrence is above a certain threshold ? is an important problem with a wide range of applications. Most of the existing work focuses ...
Qi Zhao, Mitsunori Ogihara, Haixun Wang, Jun Xu
PERCOM
2007
ACM
16 years 7 months ago
Achieving Flexible Cache Consistency for Pervasive Internet Access
Caching is an important technique to support pervasive Internet access. Cache consistency measures the deviation between the cached data and the source data. In mobile computing e...
Yu Huang 0002, Jiannong Cao, Zhijun Wang, Beihong ...
INFOCOM
2008
IEEE
16 years 1 months ago
Joint Scheduling and Congestion Control in Mobile Ad-Hoc Networks
— In this paper we study the problem of jointly performing scheduling and congestion control in mobile adhoc networks so that network queues remain bounded and the resulting flo...
Umut Akyol, Matthew Andrews, Piyush Gupta, John D....