<p style="text-align: justify;"><strong>R&eacute;sum&eacute;</strong> : <span>La communication interdisciplinaire rencontre divers probl&eacute;matiques&nbsp;: l&rsquo;h&eacute;t&eacute;rog&eacute;n&eacute;it&eacute;s des informations (s&eacute;mantique, standardisation des formats), les confusions linguistiques (intentions dans les &eacute;nonc&eacute;s, polys&eacute;mie des mots) ou encore &eacute;pist&eacute;mologiques (expertises divergentes, terminologies inad&eacute;quates). Nous proposons pour favoriser l&rsquo;intercommunication entre diff&eacute;rents domaines de sp&eacute;cialit&eacute;, l&rsquo;emploi des ontologies informatiques&nbsp;: des artefacts informatiques permettant une repr&eacute;sentation des concepts au sein d&rsquo;un domaine de sp&eacute;cialit&eacute;. Autour de la notion &laquo;&nbsp;d&rsquo;interop&eacute;rabilit&eacute; s&eacute;mantique&nbsp;&raquo;, la capacit&eacute; pour une machine et des acteurs de communiquer ensemble, nous viserons &agrave; montrer en quoi les ontologies peuvent permettre &agrave; des acteurs de diff&eacute;rentes disciplines de clarifier les notions propres &agrave; leurs domaines en fonction d&rsquo;une analyse de leurs usages des mots. Nous t&acirc;chons ici de mettre en avant la capacit&eacute; des ontologies de traiter le langage selon diff&eacute;rents niveaux du sens d&rsquo;un mot (du plus concret et appliqu&eacute;, au plus abstrait et conceptuel), afin de mettre en perspective ce en quoi cette analyse bas&eacute;e sur les textes d&rsquo;un corpus, permet de rendre compte de, si ce n&rsquo;est un &eacute;tat du r&eacute;alisme d&rsquo;une discipline, du moins, servir d&rsquo;outils pour aider les acteurs &agrave; normaliser leurs pratiques. En ce sens, les ontologies informatiques peuvent &ecirc;tre consid&eacute;r&eacute;es et utilis&eacute;es comme autant de bases terminologiques servant comme outils de r&eacute;f&eacute;rences pour faciliter la communication interdisciplinaire.</span></p> <p style="text-align: justify;"><strong>Mots-cl&eacute;s : </strong>interop&eacute;rabilit&eacute; s&eacute;mantique, ontologie informatique, langage, concept, contexte, interdisciplinarit&eacute;, terminologie.</p> <p>&nbsp;</p> <p style="text-align: justify;"><strong>Abstract</strong> : Interdisciplinary communication encounters various issues: the heterogeneity of information (semantics, standardization of formats), linguistic confusion (intentions in statements, polysemy of words) or even epistemological (divergent expertise, inadequate terminologies). To promote intercommunication between different fields of specialty, we propose the use of computer ontologies: computer artefacts allowing a representation of concepts within a field of specialty. Around the notion of &ldquo;semantic interoperability&rdquo;, the ability for a machine and actors to communicate together, we will aim to show how ontologies can allow actors from different disciplines to clarify the concepts specific to their fields according to &#39;an analysis of their word usage. We are trying here to highlight the capacity of ontologies to process language according to different levels of the meaning of a word (from the most concrete and applied, to the most abstract and conceptual), in order to put into perspective what this analysis based on the texts of a corpus, makes it possible to account for, if not a state of the realism of a discipline, at least, to serve as tools to help the actors to standardize their practices. In this sense, computer ontologies can be considered and used as terminological bases serving as reference tools to facilitate interdisciplinary communication.</p> <p style="text-align: justify;"><strong>Keywords :</strong> semantic interoperability, computer ontology, language, concept, context, interdisciplinarity, terminology.</p>