scholarly journals shARe-IT: Ad hoc Remote Troubleshooting through Augmented Reality

2021 ◽  
Author(s):  
Thomas Ludwig ◽  
Oliver Stickel ◽  
Peter Tolmie ◽  
Malte Sellmer
Keyword(s):  
Augmented Reality ◽  
Ad Hoc ◽  
Cooperative Work ◽  
Computer Supported Cooperative Work ◽  
Limiting Factors ◽  
Minor Role ◽  
Articulation Work ◽  
Remote Collaboration ◽  
Expertise Sharing ◽  
A Minor

Abstract10 years ago, Castellani et al. (Journal of Computer Supported Cooperative Work, vol. 18, no. 2–3, 2009, pp. 199–227, 2009) showed that using just an audio channel for remote troubleshooting can lead to a range of problems and already envisioned a future in which augmented reality (AR) could solve many of these issues. In the meantime, AR technologies have found their way into our everyday lives and using such technologies to support remote collaboration has been widely studied within the fields of Human-Computer Interaction and Computer-Supported Cooperative Work. In this paper, we contribute to this body of research by reporting on an extensive empirical study within a Fab Lab of troubleshooting and expertise sharing and the potential relevance of articulation work to their realization. Based on the findings of this study, we derived design challenges that led to an AR-based concept, implemented as a HoloLens application, called shARe-it. This application is designed to support remote troubleshooting and expertise sharing through different communication channels and AR-based interaction modalities. Early testing of the application revealed that novel interaction modalities such as AR-based markers and drawings play only a minor role in remote collaboration due to various limiting factors. Instead, the transmission of a shared view and especially arriving at a shared understanding of the situation as a prerequisite for articulation work continue to be the decisive factors in remote troubleshooting.

scholarly journals Technology Trends for Ships and Shipping of Tomorrow

2019 ◽  
Vol 2 (1) ◽  
pp. Manuscript
Author(s):  
Volker Bertram
Keyword(s):  
Augmented Reality ◽  
Ship Design ◽  
Condition Based Maintenance ◽  
Minor Role ◽  
Ship Building ◽  
The Future ◽  
A Minor ◽  
Ship Operation ◽  
Assisted Technologies ◽  
Technology Trends

The paper discusses key trends in ship design, ship building and ship operation and extrapolate those trends into the future. Fast and unconventional craft will play a minor role only in this scenario. In fact, trends are towards lower speed and simpler hull shapes, wind assisted technologies and propulsion improving devices. Cleaner fuels, most notably LNG, condition-based maintenance, remote instruction and Augmented Reality will support low-crew ships. The proliferation of sensors and increased satellite bandwidth will fundamentally change logistics.

scholarly journals Computer-Supported Cooperative Work – Revisited

i-com ◽  
2021 ◽  
Vol 20 (3) ◽  
pp. 215-228
Author(s):  
Angelika Bullinger-Hoffmann ◽  
Michael Koch ◽  
Kathrin Möslein ◽  
Alexander Richter
Keyword(s):  
Cooperative Work ◽  
Computer Supported Cooperative Work ◽  
Remote Collaboration ◽  
Work Settings ◽  
Current State ◽  
Collaboration Tools ◽  
Increasing Demand ◽  
Supported Work ◽  
Future Work ◽  
Research Domain

Abstract Due to the COVID-19 lockdowns and the related mandated work for home, we have seen a massive increase of the use of collaboration tools in various work settings in the last 18 months. Whereas this might have been a new terrain for some, IT-supported work and the related research domain Computer-Supported Cooperative Work (CSCW) have been around for decades. In this article we briefly review what CSCW has to offer for the currently increasing demand in setting up remote collaboration – and share our own observations about what happened when collaboration tools have been introduced in the pandemic. As a summary, we present some learnings from the experience – both for the current state of CSCW research and for future work.

Changing Documents/Documenting Changes: Using Computers for Collaborative Writing over Distance

1994 ◽  
Vol 42 (1_suppl) ◽  
pp. 53-68 ◽  
Author(s):  
Eevi E. Beck
Keyword(s):  
Collaborative Writing ◽  
Geographic Distance ◽  
Cooperative Work ◽  
Computer Supported Cooperative Work ◽  
Articulation Work ◽  
Distributed Work ◽  
International Network ◽  
Context Sensitive ◽  
Academic Authors

This chapter presents data from a case study of two academic authors writing together across great geographic distance, using telephones and computers connected over an international network. Not only the document being written but also the process itself was continuously changing, with the authors making creative use of the technology available to them. The information they offered each other concerned not only changes in the document, but also the authors' individual context of work. Rules and agreements were open to reinterpretation. The context sensitive interpretation of agreements facilitated a highly flexible process. The observations have implications of how collaboration is conceptualized in Computer Supported Cooperative Work (CSCW), and for what kinds of computer systems would be best suited to support this kind of distributed work. Respondent's comment introducing new section in manuscript draft: This section is an experiment. Bits of it may get broken up, reworded and put somewhere else. I'm making some strong claims here that we've not really discussed, and you might disagree violently! Articulation work amounts to the following: First, the meshing of the often numerous tasks, clusters of tasks, and segments of the total arc. Second, the meshing of efforts of various unit-workers (individuals, departments, etc.). Third, the meshing of actors with their various types of work and implicated tasks. (Strauss, 1985)

scholarly journals Is there a Correlation between a Corona Resident’s Big Three Zodiac Signs and their Experiences of Bodily Pain and/or Medical Complications?

2021 ◽  
Vol 10 (2) ◽  
Author(s):  
Sebastian Pintea ◽  
Rachel Niles
Keyword(s):  
Bodily Pain ◽  
Age Groups ◽  
Past Research ◽  
Limiting Factors ◽  
Medical Complications ◽  
Minor Role ◽  
Psychological Analysis ◽  
History Of ◽  
Education Psychology ◽  
A Minor

The objective of this study was to explore the correlation between astrology and fields of medicine to predict medical complications and regions of severe pain for future patients based on their big three zodiac signs. Past research has indicated that astrology has played a minor role in psychological analysis, however, this study aims to test that correlation by taking into consideration one’s sun, moon, and rising sign (big three). Based on the review of the literature comparing astrological studies in topics of education, psychology, economics, and medicine, an online google form survey was distributed to residents of Corona, California from all age groups. Respondents were required to fill out Informed Consent documents, report their big three zodiac signs based on the website provided (typing in their birthdate, birth time, and birth location), and include any history of medical complications and/or pain. After analyzing the 116 respondents that took my survey, it was clear that a correlation did exist with the following zodiac signs when holistically looking at all the medical complications and big three zodiac placements: Virgo, Scorpio, Capricorn, Leo, Cancer, and Saggitarius. The results concluded that there is a correlation between one’s big three zodiac signs and their history of medical complications and/or pain. On this basis, it is recommended to also take into consideration limiting factors like sample size, confirmation bias, nonresponse bias, and lack of age group variability. Further research and practical implications of astrology, such as experimental designs, are necessary to challenge its label as pseudoscience.

scholarly journals Kollaboration mit Extended-Reality-Systemen – eine Kategorisierung

2021 ◽  
Author(s):  
Peter Schopf ◽  
Julia M. Jonas
Keyword(s):  
Virtual Reality ◽  
Augmented Reality ◽  
Cooperative Work ◽  
Computer Supported Cooperative Work ◽  
Wird Eine

ZusammenfassungDie Technologien Augmented Reality (AR) und Virtual Reality (VR), die mit dem Überbegriff Extended Reality (XR) zusammengefasst werden, beeinflussen die Möglichkeiten der Kommunikation und Kollaboration grundlegend. Sie können intuitiv als Schnittstelle diverser Informationsquellen genutzt werden und bieten neue Arten der Informationsdarstellung. Extended-Reality-Systeme (XRS) bauen auf diesen beiden Technologien, AR und VR, auf und haben großes Potenzial für ein breites Spektrum an Anwendungsfällen, insbesondere für Kollaborationen.Trotz dieses Potenzials ist bisher oft nicht klar, wann, wo und wie XRS sinnvoll eingesetzt werden können. Dies verzögert Innovationen und die Einführung in Arbeitsprozesse. Bei Entscheidern ist die Abgrenzung zwischen AR und VR teilweise unzureichend bekannt bzw. es fehlt die Terminologie, um die unterschiedlichen Systeme adäquat zu beschreiben. An dieser Stelle setzt diese konzeptuelle Arbeit an. Sie hat zum Ziel, das Verständnis der Anwendungsmöglichkeiten von XRS für Kollaborationen zu erleichtern sowie bei der Terminologie zu unterstützen. Aufbauend auf einer zentralen Taxonomie aus dem Bereich ‚Computer-Supported Cooperative Work‘ (CSCW) wird eine Kategorisierung von XRS für Kollaborationen entwickelt. Ein Vergleich mit bereits bestehenden Taxonomien zeigt die Notwendigkeit einer praktisch anwendbaren und unkompliziert handhabbaren Kategorisierung für die Praxis.Diese Arbeit trägt durch Kategorisierung, Terminologie und Illustrationen, zu einem besseren Verständnis von XRS-Einsatzmöglichkeiten bei. Dazu werden Illustrationen aus dem Umfeld von industriellen Baustellen genutzt.

The Effect of Path Length and Display Size on Memory for Spatial Information

2012 ◽  
Vol 59 (3) ◽  
pp. 147-152 ◽  
Author(s):  
Katherine Guérard ◽  
Sébastien Tremblay
Keyword(s):  
Path Length ◽  
Potential Role ◽  
Spatial Information ◽  
Recall Performance ◽  
Minor Role ◽  
Length Effect ◽  
Serial Memory ◽  
Fixed Reference ◽  
A Minor

In serial memory for spatial information, some studies showed that recall performance suffers when the distance between successive locations increases relatively to the size of the display in which they are presented (the path length effect; e.g., Parmentier et al., 2005) but not when distance is increased by enlarging the size of the display (e.g., Smyth & Scholey, 1994). In the present study, we examined the effect of varying the absolute and relative distance between to-be-remembered items on memory for spatial information. We manipulated path length using small (15″) and large (64″) screens within the same design. In two experiments, we showed that distance was disruptive mainly when it is varied relatively to a fixed reference frame, though increasing the size of the display also had a small deleterious effect on recall. The insertion of a retention interval did not influence these effects, suggesting that rehearsal plays a minor role in mediating the effects of distance on serial spatial memory. We discuss the potential role of perceptual organization in light of the pattern of results.

Use of Different Tissue Thromboplastins in the Control of Anticoagulant-Therapy

1958 ◽  
Vol 02 (05/06) ◽  
pp. 462-480 ◽  
Author(s):  
Marc Verstraete ◽  
Patricia A. Clark ◽  
Irving S. Wright
Keyword(s):  
Prothrombin Time ◽  
Anticoagulant Therapy ◽  
Factor Vii ◽  
Rabbit Brain ◽  
Minor Role ◽  
Rabbit Lung ◽  
Coagulation Mechanism ◽  
Time Test ◽  
The One ◽  
A Minor

SummaryAn analysis of the results of prothrombin time tests with different types of thromboplastins sheds some light on the problem why the administration of coumarin is difficult to standardize in different centers. Our present ideas on the subject, based on experimental data may be summarized as follows.Several factors of the clotting mechanism are influenced by coumarin derivatives. The action of some of these factors is by-passed in the 1-stage prothrombin time test. The decrease of the prothrombin and factor VII levels may be evaluated in the 1-stage prothrombin time determination (Quick-test). The prolongation of the prothrombin times are, however, predominantly due to the decrease of factor VII activity, the prothrombin content remaining around 50 per cent of normal during an adequate anticoagulant therapy. It is unlikely that this degree of depression of prothrombin is of major significance in interfering with the coagulation mechanism in the protection against thromboembolism. It may, however, play a minor role, which has yet to be evaluated quantitatively. An exact evaluation of factor VII is, therefore, important for the guidance of anticoagulant therapy and the method of choice is the one which is most sensitive to changes in factor VII concentration. The 1-stage prothrombin time test with a rabbit lung thromboplastin seems the most suitable method because rabbit brain preparations exhibit a factor VII-like activity that is not present in rabbit lung preparations.

Produktivkraft als Versprechen

2016 ◽  
Vol 46 (185) ◽  
pp. 621-638 ◽  
Author(s):  
Christian Siefkes
Keyword(s):  
Private Consumption ◽  
Minor Role ◽  
Progressive Reduction ◽  
Internal Forces ◽  
A Minor

The ‘Fragment on Machines’ from Marx’s Grundrisse is often cited as an argument that the internal forces of capitalism will lead to its doom. But the argument that the progressive reduction of labor must doom capitalism lacks a proper foundation, as a comparison with the ‘Schemes of Reproduction’ given in Capital II shows. The latter, however, aren’t fully convincing either. In reality, more depends on the private consumption of capitalists than either model recognizes. Ultimately, most can be made of the ‘Fragment on Machines’ by reading it not as an exposure of capitalism’s internal contractions, but as a discussion of a possible communist future where labor (or work) will play but a minor role.

Effects of Myo-inositol Alone and in Combination with Seleno-Lmethionine on Cadmium-Induced Testicular Damage in Mice

2019 ◽  
Vol 12 (4) ◽  
pp. 311-323 ◽  
Author(s):  
Salvatore Benvenga ◽  
Antonio Micali ◽  
Giovanni Pallio ◽  
Roberto Vita ◽  
Consuelo Malta ◽  
...  
Keyword(s):  
Structural Changes ◽  
Natural Antioxidants ◽  
Minor Role ◽  
Positive Role ◽  
Testosterone Levels ◽  
Tnf Α ◽  
Testicular Lesions ◽  
A Minor ◽  
Immunohistochemical Analyses

Background: Cadmium (Cd) impairs gametogenesis and damages the blood-testis barrier. Objective: As the primary mechanism of Cd-induced damage is oxidative stress, the effects of two natural antioxidants, myo-inositol (MI) and seleno-L-methionine (Se), were evaluated in mice testes. Methods: Eighty-four male C57 BL/6J mice were divided into twelve groups: 0.9% NaCl (vehicle; 1 ml/kg/day i.p.); Se (0.2 mg/kg/day per os); Se (0.4 mg/kg/day per os); MI (360 mg/kg/day per os); MI plus Se (0.2 mg/kg/day); MI plus Se (0.4 mg/kg/day); CdCl2 (2 mg/kg/day i.p.) plus vehicle; CdCl2 plus MI; CdCl2 plus Se (0.2 mg/kg/day); CdCl2 plus Se (0.4 mg/kg/day); CdCl2 plus MI plus Se (0.2 mg/kg/day); and CdCl2 plus MI plus Se (0.4 mg/kg/day). After 14 days, testes were processed for biochemical, structural and immunohistochemical analyses. Results: CdCl2 increased iNOS and TNF-α expression and Malondialdehyde (MDA) levels, lowered glutathione (GSH) and testosterone, induced testicular lesions, and almost eliminated claudin-11 immunoreactivity. Se administration at 0.2 or 0.4 mg/kg significantly reduced iNOS and TNF-α expression, maintained GSH, MDA and testosterone levels, structural changes and low claudin-11 immunoreactivity. MI alone or associated with Se at 0.2 or 0.4 mg/kg significantly reduced iNOS and TNF-α expression and MDA levels, increased GSH and testosterone levels, ameliorated structural organization and increased claudin-11 patches number. Conclusion: We demonstrated a protective effect of MI, a minor role of Se and an evident positive role of the association between MI and Se on Cd-induced damages of the testis. MI alone or associated with Se might protect testes in subjects exposed to toxicants, at least to those with behavior similar to Cd.

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