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BACKGROUND Acute kidney injury (AKI) has been hard to assess due to the lack of standard definitions. Recently, the Risk, Injury, Failure, Loss and End-Stage Kidney (RIFLE) classification has been proposed to classify AKI in a number of clinical settings. This study aims to estimate the frequency and levels of severity of AKI and to study its association(More)
The JVWR is an academic journal. As such, it is dedicated to the open exchange of information. For this reason, JVWR is freely available to individuals and institutions. Copies of this journal or articles in this journal may be distributed for research or educational purposes only free of charge and without permission. However, the JVWR does not grant(More)
We study the use of the generative systems known as computational ecosystems to convey artistic and narrative aims. These are virtual worlds running on computers, composed of agents that trade units of energy and emulate cycles of life and behaviors adapted from biological life forms. In this article we propose a conceptual framework in order to understand(More)
Synthetic biology as an artistic technique draws on the exploration of the mechanisms used by organisms to process information and develop their morphologies to address a diverse range of aesthetic agendas. The instrumentalisation of biological processes and methodologies by artists is called Evolutionary Art (EvoArt) and this practice has been attracting(More)
In this paper a novel approach to a decentralized autonomous model of agency for general purpose Non-Player Characters (NPCs) is presented: the AI model of Computational Ecosystems. We describe the technology used to animate a population of gregarious humanoid avatars in a virtual world. This artistic work is an ethnographic project where a population of(More)
DECLARATION I hereby declare that I composed this thesis entirely myself and that it describes my own research. 2 This research is an exploration of issues surrounding the artistic production of Computational Ecosystems. A Computational Ecosystem is a system of agents designed to emulate, in the computer, biological systems where autonomous individuals are(More)
In this paper, we Secdescribe an agency model for generative populations of humanoid characters, based upon temporal variation of affective states. We have built on an existing agent framework from Sequeira et al. [18], and adapted it to be susceptible to temperamental and emotive states in the context of cooperative and non-cooperative interactions based(More)
xTNZ 1 , is focused on the exploration of the possibilities of using artificial life in the context of art. My aim is to develop an ecosystem based on a real-time three-dimensional PC based system sustaining a " living " virtual environment. The entities populating this virtual world have been designed to be active and responsive. They behave and interact(More)
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