Search Results - "Barrett, C.L."
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1
The distance-2 matching problem and its relationship to the MAC-Layer capacity of ad hoc wireless networks
Published in IEEE journal on selected areas in communications (01-08-2004)“…We consider the problem of determining the maximum capacity of the media access (MAC) layer in wireless ad hoc networks. Due to spatial contention for the…”
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2
An audit of the use of platelet transfusions at Universitas Academic Hospital, Bloemfontein, South Africa
Published in Transfusion and apheresis science (01-12-2014)“…Abstract An audit was performed at a tertiary hospital in Bloemfontein, South Africa, to establish whether clinicians adhered to local platelet transfusion…”
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Patients' recall and perceptions regarding consent to blood transfusion at Universitas Academic Hospital, Bloemfontein, South Africa
Published in Transfusion and apheresis science (01-12-2014)“…Abstract We studied the recall and perceptions of transfused patients at a single centre. Fifty-three patients were included. In 11 (20.8%) cases, no written…”
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Postoperative internal iliac artery embolisation as salvage therapy for bleeding in an HIV-positive patient with giant cell tumour of bone
Published in The Southern African journal of critical care (01-06-2015)“…Giant cell tumour of bone (GCTB) is a highly vascular tumour, sporadically complicated by massive bleeding during surgery. We report a rare case of GCTB in an…”
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5
Generation and analysis of large synthetic social contact networks
Published in Proceedings of the 2009 Winter Simulation Conference (WSC) (01-12-2009)“…We describe ¿first principles¿ based methods for developing synthetic urban and national scale social contact networks. Unlike simple random graph techniques,…”
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Conference Proceeding -
6
Strong edge coloring for channel assignment in wireless radio networks
Published in Fourth Annual IEEE International Conference on Pervasive Computing and Communications Workshops (PERCOMW'06) (2006)“…We give efficient sequential and distributed approximation algorithms for strong edge coloring graphs modeling wireless networks. Strong edge coloring is…”
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Conference Proceeding -
7
Postoperative internal iliac artery embolisation as salvage therapy for bleeding in an HIV-positive patient with giant cell tumour of bone : case report
Published in The Southern African journal of critical care (01-06-2015)“…Giant cell tumour of bone (GCTB) is a highly vascular tumour, sporadically complicated by massive bleeding during surgery. We report a rare case of GCTB in an…”
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8
Elements of a theory of simulation III: equivalence of SDS
Published in Applied mathematics and computation (15-08-2001)“…In the development of mathematical foundations for a theory of simulation, a certain class of discrete sequential dynamical systems (SDS) is of particular…”
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Elements of a theory of computer simulation I: Sequential CA over random graphs
Published in Applied mathematics and computation (01-02-1999)“…This paper is a first step in the development of mathematical foundations for a theory of simulation. We employ sequentially updated cellular automata (sCA)…”
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Elements of a theory of simulation II: sequential dynamical systems
Published in Applied mathematics and computation (15-01-2000)“…We study a class of discrete dynamical systems that is motivated by the generic structure of simulations. The systems consist of the following data: (a) a…”
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ETS IV: Sequential dynamical systems: fixed points, invertibility and equivalence
Published in Applied mathematics and computation (10-01-2003)“…Sequential dynamical systems (SDSs) are discrete dynamical systems that are obtained from the following data: (a) a finite (labeled) graph Y with vertex set…”
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12
A comparative experimental study of media access protocols for wireless radio networks
Published in 2002 IEEE Wireless Communications and Networking Conference Record. WCNC 2002 (Cat. No.02TH8609) (2002)“…We conduct a comparative experimental analysis of three well known media access protocols: IEEE 802.11, CSMA, and MACA for wireless radio networks. Only static…”
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Conference Proceeding -
13
Analyzing the short-term fairness of IEEE 802.11 in wireless multi-hop radio networks
Published in Proceedings. 10th IEEE International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunications Systems (2002)“…We extensively analyze the short (and long) term fairness performance of wireless ad hoc networks. Recently the fairness of the MAC layer of such systems has…”
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Conference Proceeding -
14
A variationally-based variance reduction method for Monte Carlo neutron transport calculations
Published in Annals of nuclear energy (01-03-2001)“…A new variationally-based Monte Carlo variance reduction (VVR) method is developed to improve the estimation of characteristic parameters for neutron shielding…”
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15
Analyzing interaction between network protocols, topology and traffic in wireless radio networks
Published in 2003 IEEE Wireless Communications and Networking, 2003. WCNC 2003 (2003)“…We study the interaction between communication protocols, network topology and packet traffic in wireless static radio networks. A particular interest is to…”
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Conference Proceeding -
16
Policy informatics for co-evolving socio-technical networks
Published in 2009 Fourth International Conference on Critical Infrastructures (01-04-2009)“…Summary form only given. We summarize our ongoing integrated program to represent and reason about very large co-evolving social, technological, information…”
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Conference Proceeding -
17
A spatial analysis of mobility models: application to wireless ad hoc network simulation
Published in 37th Annual Simulation Symposium, 2004. Proceedings (2004)“…We quantitatively analyze the differences between a realistic mobility model, TRANSIMS, and several synthetic mobility models. New synthetic models were…”
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Conference Proceeding -
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Approximate connectivity graph generation in mobile ad hoc radio networks
Published in 36th Annual Simulation Symposium, 2003 (2003)“…Simulation is a widely used technique in the design and evaluation of mobile ad-hoc networks. However time and space constraints can often limit the extent of…”
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An unusual case of fatal gastrointestinal Rhizopus oryzae infection in a diabetic patient
Published in The Southern African journal of epidemiology & infection (01-01-2008)Get full text
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An unusual case of fatal gastrointestinal Rhizopus oryzae infection in a diabetic patient : case report
Published in The Southern African journal of epidemiology & infection (01-01-2008)“…Zygomycoses (mucormycoses) are rare, angiotropic infections caused by fungi in the class Zygomycetes of the order Mucorales. This paper reports a case of a…”
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