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    ABSTRACT: Reservationless computer communication networks based on the best effort paradigm are no longer capable of providing the quality of service necessary for the new generation of computer communication services, such as voice, video and multimedia services. These new services and their users have very different communication needs, and must not be treated equal by the communication system. Quality of service (QoS) specification on a per communication service basis, and quality of service guarantee by reservation-oriented communication systems are the key solutions for the support of new age information systems. QoS specification requires service characterization based on a set of QoS parameters that, on one hand, is rich enough to accommodate service and traffic dynamics and, on the other hand, is simple and flexible enough to allow the implementation of an efficient reservation policy. QoS guarantee by reservation-oriented communication systems can only be achieved by the deployment of new congestion control functions that can prevent service degradation and -based on a quantification scheme -be used to evaluate the network in terms of QoS performance and available capability.
    Full-text · Article · Nov 2018
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    ABSTRACT: The peritoneum is the largest serous membrane of the body and can be exposed to several injuries that may cause abnormal findings on imaging exams. Linear peritoneal calcification is remarkably rare, usually secondary to long duration peritoneal dialysis.We report an uncommon case of extensive peritoneal calcification in a 39-year-old female without long exposure to peritoneal dialysis solutions, in which peritoneal calcification could be linked to Alport syndrome and previous adverse reaction to intraperitoneal iodinated contrast.Radiologist should be aware of this and related imaging findings, know when to search for them as well as understand their clinical value.
    Full-text · Article · Dec 2015
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    ABSTRACT: A new type of Cellular Automata is presented and stud-ied: the Neuro-Cellular Automata. The standard way of representing the rules of an automaton is replaced by an Artificial Neural Network. The motivation of this change is two-fold: to have a more biologically inspired automata and to explore the connections between Cellular Au-tomata, Neural Networks, Evolution and Complexity. The process of the development of this kind of automata is also described, as well as some considerations about important aspects of the work. We use simple one-dimensional Cellular Automata, in order to better understand the complexity of the different components of the Neuro-Cellular Automata and to evolve it, because evolution is required to design these type of automata. A study regarding ways to measure complexity is also per-formed, since these measures play an important role in evaluating the population of automata in the evolutionary process.
    Full-text · Conference Paper · Nov 2015


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    Praceta Mota Pinto, 3000-075, Coimbra, Portugal
  • Head of Institution
    Américo Figueiredo
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Autophagy 01/2016; 12(1):1-222. DOI:10.1080/15548627.2015.1100356
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