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CORR
2010
Springer
13 years 7 months ago
2010
Springer
We analyze the structure and evolution of discussion cascades in four popular websites: Slashdot, Barrapunto, Meneame and Wikipedia. Despite the big heterogeneities between these ...
SIGECOM
2003
ACM
14 years 29 days ago
2003
ACM
We study mechanisms that can be modelled as coalitional games with transferable utilities, and apply ideas from mechanism design and game theory to problems arising in a network d...
ATAL
2003
Springer
14 years 29 days ago
2003
Springer
Abstract. We are developing a decentralized approach to trust based on referral systems, where agents adaptively give referrals to one another to find other trustworthy agents. In...
IJCNN
2008
IEEE
14 years 2 months ago
2008
IEEE
—Sensory inputs such as visual images or audio spectrograms can act as symbols in a new cognitive model. The stability of direct image association operators allows the discrete b...
GISCIENCE
2008
Springer
13 years 8 months ago
2008
Springer
Road networks, roads, and junctions are examples of natural language terms whose semantics can be described by affordances of their physical referents. In order to define affordanc...