■ RÉSUMÉ • Pour couvrir toutes les facettes des connaissances multimodales telles que les connaissances perceptivo-gestuelles, divers périphériques sont exploités. Les traces produites par ces derniers fournissent des informations pertinentes sur l'activité de l'apprenant. Cependant elles sont multi-sources et hétérogènes et, de ce fait, difficiles à traiter automatiquement. Pour faciliter leur traitement, il convient de leur fournir une représentation formelle qui reflète l'activité multimodale à laquelle elles sont liées. Cet article décrit notre proposition de formalisation de ce type de traces enregistrées à partir d'un Système Tutoriel Intelligent dédié à la chirurgie orthopédique percutanée, TELEOS. ■ MOTS-CLÉS • Connaissances perceptivo-gestuelles, chirurgie orthopédique percutanée, Système Tutoriel Intelligent, TELEOS ■ ABSTRACT • To cover the aspects of multimodal knowledge such as perceptual-gestural knowledge, various devices are required. Traces produced by these devices provide rich information and often accurate on learners' activity. However, those traces are multi-source and heterogeneous and, thus, difficult to process automatically. To foster their treatment, a formal representation that reflects consistent multimodal activity, to which they are linked, is needed. This paper describes our proposal to formalize this type of traces recorded from TELEOS, an Intelligent Tutoring System dedicated to percutaneous orthopedic surgery.
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