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D. Processus-classique, Les flèches en pointillés correspondent à des étapes facultatives (ex: l'étape d'intégration après l'étape de caractérisation), ou aux différentes possibilités en sortie d'une étape (ex: le contenu peut soit être segmenté avant l'extraction d'attributs , soit passer directement dans la phase d'extraction d'attributs) Les flèches pleines correspondent à une relation obligatoire entre deux étapes (ex: si le contenu est segmenté, alors il y a ensuite automatiquement extraction d'attributs), p.20

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