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176
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SOCIALCOM
2010
15 years 4 months ago
2010
Churn has been identified as an important issue in a wide range of industries. In social networks, churn represents a significant risk for the health and functioning of communities...
195
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SOCINFO
2010
15 years 4 months ago
2010
Although extensive studies have been conducted on online social networks (OSNs), it is not clear how to characterize information propagation and social influence, two types of impo...
211
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FAST
2009
15 years 4 months ago
2009
We present a formalism for provenance in distributed systems based on the -calculus. Its main feature is that all data products are annotated with metadata representing their prov...
210
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FLAIRS
2009
15 years 4 months ago
2009
Ensuring the consistency and completeness of Semantic Web ontologies is practically impossible, because of their scale and highly dynamic nature. Many web applications, therefore,...
196
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HCI
2009
15 years 4 months ago
2009
Virtual communities that make use of social network site features blend known applications of virtual communities. These communities can be simultaneously social and commercial, or...