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139
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CN
1998
15 years 4 months ago
1998
In traditional commerce, brokers act as middlemen between customers and providers, aggregating, repackaging and adding value to products, services or information. In the broadest ...
278
Voted
SIGMOD
2011
ACM
14 years 7 months ago
2011
ACM
Wikis have proved enormously successful as a means to collaborate in the creation and publication of textual information. At the same time, a large number of curated databases hav...
150
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CIKM
2011
Springer
14 years 4 months ago
2011
Springer
We study the problem of detecting coordinated free text campaigns in large-scale social media. These campaigns – ranging from coordinated spam messages to promotional and advert...
159
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MOBISYS
2009
ACM
16 years 5 months ago
2009
ACM
Establishing trust between a group of individuals remains a difficult problem. Prior works assume trusted infrastructure, require an individual to trust unknown entities, or provi...
159
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MOBISYS
2008
ACM
16 years 4 months ago
2008
ACM
Personal mobile devices are increasingly equipped with the capability to sense the physical world (through cameras, microphones, and accelerometers, for example) and the network w...