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Polar ecosystems are sensitive to climate forcing, and we often lack baselines to evaluate changes. Here we report a nearly 50-year study in which a sudden shift in the population dynamics of an ecologically important, structure-forming hexactinellid sponge, Anoxycalyx joubini was observed. This is the largest Antarctic sponge, with individuals growing over(More)
Many tasks in day-today life involve interactions among several people. Many of these interactions involve negotiating over a desired outcome. Negotiation in and of itself is not an easy task, and it becomes more complex under conditions of incomplete information. For example, the parties do not know in advance the exact tradeoff of their counterparts(More)
Many day-today tasks require negotiation, mostly under conditions of incomplete information. In particular, the opponent's exact tradeoff between different offers is usually unknown. We propose a model of an automated negotiation agent capable of negotiating with a bounded rational agent (and in particular, against humans) under conditions of incomplete(More)
The deep ocean greater than 1 km covers the majority of the earth's surface. Interspersed on the abyssal plains and continental slope are an estimated 14000 seamounts, topographic features extending 1000 m off the seafloor. A variety of hypotheses are posited that suggest the ecological, evolutionary, and oceanographic processes on seamounts differ from(More)
  • Steven Chiou, James Barry, Kaplan-Meier Estimator, Bootstrap Iii
  • 2015
Acknowledgements First of all, I would like to extend my sincere gratitude to my advisors, Dr. Barry James and Dr. Steven Chiou, for their support on my course work, project and my future study over the past two years. I would also like to give my sincere thanks to Dr. Kang James for serving as my committee member. During her seminar classes, she offered me(More)
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