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130
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WWW
2011
ACM
14 years 10 months ago
2011
ACM
In this work, we study the notion of competing campaigns in a social network. By modeling the spread of influence in the presence of competing campaigns, we provide necessary too...
129
Voted
WWW
2011
ACM
14 years 10 months ago
2011
ACM
This paper studies the problem of discovering and comparing geographical topics from GPS-associated documents. GPSassociated documents become popular with the pervasiveness of loc...
166
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WWW
2011
ACM
14 years 10 months ago
2011
ACM
Online social networks have become very popular in recent years and their number of users is already measured in many hundreds of millions. For various commercial and sociological...
156
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GIS
2010
ACM
14 years 10 months ago
2010
ACM
With the prevalence of car navigation systems, indoor navigation systems are increasingly attracting attention in the indoor research area. However, the available models for indoo...
129
Voted
SIAMMAX
2010
14 years 10 months ago
2010
It is well-known that two-level and multi-level preconditioned conjugate gradient (PCG) methods provide efficient techniques for solving large and sparse linear systems whose coeff...