Search results for: Michael Gardner

Items from 1 to 20 out of 72 results

article

Critical care unit bed availability and postoperative outcomes: a multinational cohort study

Ruaraidh A. S. Campbell, Tharusan Thevathasan, Danny J. N. Wong, Andrew M. Wilson, more

Background Critical care beds are a limited resource, yet research indicates that recommendations for postoperative critical care admission based on patient‐level risk stratification are not followed. It is unclear how prioritisation decisions are made in real‐world settings and the effect of this prioritisation on outcomes. Methods This was a prespecified analysis of an observational cohort study...

article

Individual differences in visuospatial working memory capacity influence the modality effect

Kevin Greenberg, Robert Zheng, Michael Gardner, Matthew Orr

Journal of Computer Assisted Learning > 37 > 3 > 735 - 744

The cognitive theory of multimedia learning postulates learning information in a dual‐modality design is more effective than in a single modality, which is known as the modality effect. Research has found that the modality effect supports problem‐solving learning, but not retention‐based learning. This divergence in findings can be explained by the mediating effects of individual differences in visuospatial...

article

Consistent individual differences in ecto‐parasitism of a long‐lived lizard host

Eric Payne, David L. Sinn, Orr Spiegel, Stephan T. Leu, more

Oikos > 129 > 7 > 1061 - 1071

Individual hosts vary substantially in their parasite loads. However, whether individual hosts have consistently different loads remains uncertain. If so, hosts that have consistently high parasite loads may serve as key reservoirs or super‐spreaders. Thus, identifying whether individuals persistently differ in their parasitism and the factors that explain these patterns constitute important issues...

article

Coupled three‐dimensional discrete element‐lattice Boltzmann methods for fluid‐solid interaction with polyhedral particles

Michael Gardner, Nicholas Sitar

International Journal for Numerical and Analytical Methods in Geomechanics > 43 > 14 > 2270 - 2287

Interaction between solid particles and fluid is of fundamental interest to scientists and engineers in many different applications—cardiopulmonary flows, aircraft and automobile aerodynamics, and wind loading on buildings to name a few. In geomechanics, particle shape significantly affects both particle‐particle and particle‐fluid interaction. Herein, we present a generalized method for modeling...

article

Characterisation of major histocompatibility complex class I transcripts in an Australian dragon lizard

Jessica Hacking, Terry Bertozzi, Adnan Moussalli, Tessa Bradford, more

Developmental & Comparative Immunology > 2018 > 84 > C > 164-171

Characterisation of squamate major histocompatibility complex (MHC) genes has lagged behind other taxonomic groups. MHC genes encode cell-surface glycoproteins that present self- and pathogen-derived peptides to T cells and play a critical role in pathogen recognition. Here we characterise MHC class I transcripts for an agamid lizard (Ctenophorus decresii) and investigate the evolution of MHC class...

article

Complication rates by surgeon type after open treatment of distal radius fractures

Jeremy Truntzer, Kevin Mertz, Sara Eppler, Kevin Li, more

European Journal of Orthopaedic Surgery & Traumatology > 2018 > 28 > 8 > 1543-1547

Background In distal radius fracture repair, complications often lead to reoperation and increased cost. We examined the trends and complications in open reduction internal fixation of distal radius fractures across hand specialist and non-hand specialist surgeons. Methods We examined claims data from the Humana administrative claims database between 2007 and 2016. International Classification of Disease, 9th Edition...

article

Casteless behaviour in social groups of the bee Exoneurella eremophila

Rebecca Dew, Simon Tierney, Michael Gardner, Michael Schwarz

Apidologie > 2018 > 49 > 2 > 265-275

The comparison of social systems, particularly in closely related taxa, can be highly valuable to the understanding of social evolution. While much research has focused on the formation of hierarchies and eusocial organisation, it needs to be remembered that not all social systems are necessarily based on hierarchies. The allodapine bee Exoneurella tridentata is the only eusocial species within the...

chapter

Supporting mixed-mode role-play activities in a virtual environment

Enas Jambi, Michael Gardner, Victor Callaghan

2017 9th Computer Science and Electronic Engineering (CEEC) > 49 - 54

2017 9th Computer Science and Electronic Engineering (CEEC)

This paper introduces an approach to harness the advantages of 3D virtual environments in a more effective way in order to benefit the student's learning in understanding abstract concepts. It is a proposal for a generalized framework that generates a mixed-simulation role-play activity. In this activity, the student functions as a part of a working system in a virtual environment in order to complete...

article

Parallel and scalable block system generation

Michael Gardner, John Kolb, Nicholas Sitar

Computers and Geotechnics > 2017 > 89 > C > 168-178

Generating a realistic representation of a fractured rock mass is a first step in many different analyses. Field observations need to be translated into a 3-D model that will serve as the input for these analyses. The block systems can contain hundreds of thousands to millions of blocks of varying sizes and shapes; generating these large models is very computationally expensive and requires significant...

article

Syndesmotic Injuries: Where Are We Now? Where Do We Need To Go?

Mohamed Mediouni, Daniel R. Schlatterer, Michael Gardner

The Journal of Foot and Ankle Surgery > 2017 > 56 > 5 > 1129

article

Characterization of 12 polymorphic microsatellite loci in the Port Jackson Shark, Heterodontus portusjacksoni (Meyer, 1793)

Jennalee A. Clark, Culum Brown, Michael R. Gillings, Michael Gardner, more

Marine Biodiversity > 2019 > 49 > 1 > 505-508

The Port Jackson Shark (Heterodontus portusjacksoni) is an epibenthic, oviparous species endemic to the southern half of Australia. Understanding the genetic structure, ecology and reproductive behaviours of this species is essential for developing appropriate management and conservation strategies. However, research has been hampered due a lack of suitable genetic markers. Here, we developed 12 microsatellite...

chapter

A fuzzy logic based system for geolocated augmented reality field service support

Anasol Pena-Rios, Hani Hagras, Michael Gardner, Gilbert Owusu

2017 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE) > 1 - 6

2017 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)

In recent years, Augmented Reality (AR) started transitioning from an experimental technology to a more mature area, with new types of applications in entertainment, marketing, education, retail, transportation, manufacturing, construction, and other industries. One of the main challenges for AR-based field service tools is to help users to correctly locate company's assets and infrastructure in the...

chapter

A type-2 Fuzzy Logic based System for asset geolocation within augmented reality environments

Anasol Pena-Rios, Hani Hagras, Michael Gardner, Gilbert Owusu

2017 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE) > 1 - 6

2017 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)

This paper presents a type-2 Fuzzy Logic System (FLS) to support technical employees in finding company's assets in outdoor settings. The system provides the user with directions for asset location by comparing his/her current position with assets' location in real-time, giving auditory and visual feedback via a Head Mounted Display (HMD). We carried out 35 path explorations in a predefined area to...

article

A fast direct search algorithm for contact detection of convex polygonal or polyhedral particles

Fei Zheng, Yu-Yong Jiao, Michael Gardner, Nicholas Sitar

Computers and Geotechnics > 2017 > 87 > C > 76-85

A fast direct search (FDS) algorithm is presented to increase the efficiency of contact detection for convex polygonal and polyhedral particles. All contact types are detected using only a small subset of these contact types: vertex-to-edge for polygons while vertex-to-face and edge-to-edge for polyhedra. First, an initial contact list is generated. Then in subsequent steps the contact list is updated...

chapter

An event detection approach for identifying learning evidence in collaborative virtual environments

Samah Felemban, Michael Gardner, Victor Callaghan

2016 8th Computer Science and Electronic Engineering (CEEC) > 42 - 47

2016 8th Computer Science and Electronic Engineering (CEEC)

3D virtual environments support collaborative learning through connecting users in real-time allowing them to accomplish learning tasks together, in addition they enhance the students' exploration, engagement, and interactivity. However, collecting learning evidence to evaluate students in these environments has many difficulties. Therefore, the intention of this paper is to describe our approach...

chapter

A Fuzzy Logic based system for Mixed Reality assistance of remote workforce

Anasol Pena-Rios, Hani Hagras, Michael Gardner, Gilbert Owusu

2016 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE) > 408 - 415

2016 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)

The recent years have witnessed an increase in the use of augmented and virtual reality systems, changing the way we interact with our environments. Such systems are commonly associated with advertising, entertainment, medicine, training and education. However, with the increasing acceptance and availability of mobile and wearable devices (e.g. head-mounted displays (HMD)), the use of these technologies...

chapter

Adapting Web-Pages for Mobile / PC Collaboration

Hui-Na Chua, Simon. D. Scott, See-Leng Ng, Michael Gardner, more

Lecture Notes in Computer Science > Mobile Human-Computer Interaction - MobileHCI 2004 > Posters > 421-425

Web-based collaboration between mobile devices and PCs requires web-pages to be adapted to multiple devices. The paper begins by reviewing the considerations taken into account by existing web-content adaptation engines in adapting web-pages for the single-user browsing task. Next, the differences between single-user browsing and co-browsing are discussed along with the concept of shared view point...

chapter

A Mixed Reality Teaching and Learning Environment

Victor Callaghan, Michael Gardner, Bernard Horan, John Scott, more

Lecture Notes in Computer Science > Hybrid Learning and Education > Hybrid Education > 54-65

This work in progress paper describes collaborative research, taking place on three continents, towards creating a ‘mixed reality teaching & learning environment’ (MiRTLE) that enables teachers and students participating in realtime mixed and online classes to interact with avatar representations of each other. The longer term hypothesis that will be investigated is that avatar representations...

article

Virtual laboratories for education in science, technology, and engineering: A review

Veljko Potkonjak, Michael Gardner, Victor Callaghan, Pasi Mattila, more

Computers & Education > 2016 > 95 > C > 309-327

Within education, concepts such as distance learning, and open universities, are now becoming more widely used for teaching and learning. However, due to the nature of the subject domain, the teaching of Science, Technology, and Engineering are still relatively behind when using new technological approaches (particularly for online distance learning). The reason for this discrepancy lies in the fact...

article

How much articular displacement can be detected using fluoroscopy for tibial plateau fractures?

Justin M. Haller, Robert O’Toole, Matthew Graves, David Barei, more

Injury > 2015 > 46 > 11 > 2243-2247

While there is conflicting evidence regarding the importance of anatomic reduction for tibial plateau fractures, there are currently no studies that analyse our ability to grade reduction based on fluoroscopic imaging. The purpose of this study was to determine the accuracy of fluoroscopy in judging tibial plateau articular reduction.Ten embalmed human cadavers were selected. The lateral plateau was...

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INFONA - science communication portal

Search results for: Michael Gardner

Critical care unit bed availability and postoperative outcomes: a multinational cohort study

Individual differences in visuospatial working memory capacity influence the modality effect

Consistent individual differences in ecto‐parasitism of a long‐lived lizard host

Coupled three‐dimensional discrete element‐lattice Boltzmann methods for fluid‐solid interaction with polyhedral particles

Characterisation of major histocompatibility complex class I transcripts in an Australian dragon lizard

Complication rates by surgeon type after open treatment of distal radius fractures

Casteless behaviour in social groups of the bee Exoneurella eremophila

Supporting mixed-mode role-play activities in a virtual environment

Parallel and scalable block system generation

Syndesmotic Injuries: Where Are We Now? Where Do We Need To Go?

Characterization of 12 polymorphic microsatellite loci in the Port Jackson Shark, Heterodontus portusjacksoni (Meyer, 1793)

A fuzzy logic based system for geolocated augmented reality field service support

A type-2 Fuzzy Logic based System for asset geolocation within augmented reality environments

A fast direct search algorithm for contact detection of convex polygonal or polyhedral particles

An event detection approach for identifying learning evidence in collaborative virtual environments

A Fuzzy Logic based system for Mixed Reality assistance of remote workforce

Adapting Web-Pages for Mobile / PC Collaboration

A Mixed Reality Teaching and Learning Environment

Virtual laboratories for education in science, technology, and engineering: A review

How much articular displacement can be detected using fluoroscopy for tibial plateau fractures?

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