vendredi, mai 1 2026

ACT-R workshop 2026

Emond, B., & Schoppek, W. (2026). Piano playing and the motor module. ACT-R Workshop.

Piano playing is a complex psychomotor multimodal skill. Key modelling issues include the persistent cognitive and motor load required for both acquiring and maintaining the skill, sight-reading and the eye–hand span, expressive and interpretive dimension of performance, and bidirectional anticipation and correction in motor control. The presentation will focus on the latter issue related to interfacing the act-r motor module with piano playing tasks. The presentation will show the limits for modelling piano playing using either: 1) the standard motor and manual buffer, and 2) the extended-motor, manual-left and manual-right buffers. We will propose to augment the extended-motor module for modelling some empirical results including figured bass improvisation, a Baroque-era musical skill requiring real-time harmonic realization from symbolic bass cues.

AIS 2026

Smith, J., Karimi, E., Barnes, J., Billard, R., Emond, B., & Veitch, B. (2026). Human and AI Design Elements for a Virtual Instructor in Lifeboat Simulation Training. In R. A. Sottilare & J. Schwarz (Eds), HCI international 2026. Springer Nature Switzerland. Maritime training is changing  […]

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ICCM 2026

Schoppek, W., & Emond, B. (2026). How motor anticipations inform cognitive decisions—Could ACT-R be a good choice to model this? International Conference on Cognitive Modelling. The interplay between cognitive and motor processes is central to skilled performance, yet most cognitive  […]

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mardi, avril 28 2026

CMIOSIS

C'est le plus près que j'ai trouvé pour une plaque d'immatriculation. Seulement 7 caractères sur les plaques d'immatriculation au Québec.   […]

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lundi, septembre 8 2025

Type checking on Common Lisp Object System slots (updated)

In September I posted some code to add type checking to CLOS class slots that does not seem to be handled by LispWorks. The code below is simpler and was designed to run without errors and warnings with Steel Bank Common Lisp (SBCL). As the compiler directives show, most of the code is to make  […]

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dimanche, septembre 7 2025

Deuxième anniversaire

Début septembre 2025, c'est le deuxième anniversaire du blogue. Le moment se prête davantage au bilan qu'à la célébration. Je m'étais donné un objectif d'un billet par mois et j'accumule maintenant plusieurs mois de retard. Je redémarre le tout. Afin d’augmenter ma productivité, je compte rédiger de  […]

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samedi, mars 22 2025

Neuf mois d'apprentissage du piano

L'apprentissage d'un instrument de musique après un "certain" âge n'est pas toujours très rapide. Cependant, je suis relativement satisfait de mes progrès. Ce qui s'est révélé particulièrement difficile est l'apprentissage de pièce à partir de partition. Je dois avouer que mon objectif  […]

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jeudi, janvier 16 2025

Type checking on Common Lisp Object System slots

The Common Lisp standard specifies that "The consequences of attempting to store in a slot a value that does not satisfy the type of the slot are undefined.” CLHS: Macro DEFCLASS. However, type checking prevents making simple mistakes, makes code easier to understand, and ultimately leads to  […]

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