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» Social Networks: An Introduction
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WWW
2010
ACM
15 years 5 months ago
Sampling community structure
We propose a novel method, based on concepts from expander graphs, to sample communities in networks. We show that our sampling method, unlike previous techniques, produces subgra...
Arun S. Maiya, Tanya Y. Berger-Wolf
80
Voted
WMI
2001
104views more  WMI 2001»
14 years 11 months ago
Pricing differentiated services in the GPRS environment
The General Packet Radio Service extends the existing GSM mobile communications technology by providing packet switching and higher data rates in order to efficiently access IPbas...
Sergios Soursos, Costas Courcoubetis, George C. Po...
94
Voted
CORR
2012
Springer
205views Education» more  CORR 2012»
13 years 5 months ago
Pricing Data: A Look at Past Proposals, Current Plans, and Future Trends
Traditionally, network operators have only used simple flat-rate unlimited data plans to vie for customers. But today, with the popularity of mobile devices and exponential growt...
Soumya Sen, Carlee Joe-Wong, Sangtae Ha, Mung Chia...
100
Voted
WWW
2008
ACM
15 years 11 months ago
Trust-based recommendation systems: an axiomatic approach
High-quality, personalized recommendations are a key feature in many online systems. Since these systems often have explicit knowledge of social network structures, the recommenda...
Reid Andersen, Christian Borgs, Jennifer T. Chayes...
PERCOM
2010
ACM
15 years 2 months ago
Ad-hoc voice-based group communication
Abstract—People waste many hours driving each day. Although unavoidable, this time can be very boring to motorists. Similar to people taking mass transit who often pass the time ...
Lu Han, Stephen Smaldone, Pravin Shankar, James Bo...