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- Nagaraja, Ch., et al.
(author)
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Opening remarks
- 2016
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Conference paper (peer-reviewed)
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- Bucchiarone, A., et al.
(author)
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POLYGLOT for Gamified Education : Mixing Modelling and Programming Exercises
- 2021
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In: Companion Proceedings - 24th International Conference on Model-Driven Engineering Languages and Systems, MODELS-C 2021. - : IEEE. - 9781665424844 ; , s. 606-610
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Conference paper (peer-reviewed)abstract
- Gamification refers to the employment of gaming mechanisms for non-gaming purposes. Its aim is promoting the engagement of target users in pursuing certain goals, e.g. completing education paths. In this paper we present POLYGLOT, a gamified notebook-like programming environment. The gamification extension was built to target programming languages education, and in this work we illustrate how the approach is adaptable to text-based modelling languages. In particular, we demonstrate the use of gamification tailored to SysML v2 modelling.Each exercise is defined as a sequence of steps framed into notebook cells. On each cell submission, the POLYGLOT extension for.NET interactive runs several analyzers to gain insights of the student code before invoking the gamification engine, which checks if the gathered data fits the teacher-defined expectations. Interestingly, since cell contents are language independent and exercise evaluations are delegated to the gamification engine, this solution enables the creation of heterogeneous narratives, that is gamification scenarios mixing languages in the proposed exercises.
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- Hall, B. E. S., et al.
(author)
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Annual variations in the Martian bow shock location as observed by the Mars Express mission
- 2016
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In: Journal of Geophysical Research - Space Physics. - 2169-9380 .- 2169-9402. ; 121:11, s. 11474-11494
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Journal article (peer-reviewed)abstract
- The Martian bow shock distance has previously been shown to be anticorrelated with solar wind dynamic pressure but correlated with solar extreme ultraviolet (EUV) irradiance. Since both of these solar parameters reduce with the square of the distance from the Sun, and Mars' orbit about the Sun increases by similar to 0.3 AU from perihelion to aphelion, it is not clear how the bow shock location will respond to variations in these solar parameters, if at all, throughout its orbit. In order to characterize such a response, we use more than 5 Martian years of Mars Express Analyser of Space Plasma and EneRgetic Atoms (ASPERA-3) Electron Spectrometer measurements to automatically identify 11,861 bow shock crossings. We have discovered that the bow shock distance as a function of solar longitude has a minimum of 2.39 R-M around aphelion and proceeds to a maximum of 2.65 R-M around perihelion, presenting an overall variation of similar to 11% throughout the Martian orbit. We have verified previous findings that the bow shock in southern hemisphere is on average located farther away from Mars than in the northern hemisphere. However, this hemispherical asymmetry is small (total distance variation of similar to 2.4%), and the same annual variations occur irrespective of the hemisphere. We have identified that the bow shock location is more sensitive to variations in the solar EUV irradiance than to solar wind dynamic pressure variations. We have proposed possible interaction mechanisms between the solar EUV flux and Martian plasma environment that could explain this annual variation in bow shock location.
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