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176
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CSE
2009
IEEE
16 years 2 months ago
2009
IEEE
—Individuals in social networks are often organized under some hierarchy such as a command structure. In many cases, when this structure is unknown, there is a need to discover h...
167
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CSIE
2009
IEEE
16 years 2 months ago
2009
IEEE
We present an information extraction system for automated information extraction from free text. The system, XAR, available open-source to the community, s an extraction applicati...
173
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FOCS
2009
IEEE
16 years 2 months ago
2009
IEEE
Abstract— Applications in complex systems such as the Internet have spawned recent interest in studying situations involving multiple agents with their individual cost or utility...
232
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FOCS
2009
IEEE
16 years 2 months ago
2009
IEEE
— Working in Winfree’s abstract tile assembly model, we show that a constant-size tile assembly system can be programmed through relative tile concentrations to build an n × n...
199
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WG
2009
Springer
16 years 2 months ago
2009
Springer
We consider the NP-hard problem of finding a spanning tree with a maximum number of internal vertices. This problem is a generalization of the famous Hamiltonian Path problem. Our...