“…Related work in section 2 shows the relevance of using graph-oriented databases to represent and search for relational information in different fields. In particular, in the context of information retrieval systems using a graph of data, the literature lacks a solution considering both structured and unstructured data while providing an answer to the issues listed by (Kim, et al, 2020) including the treatment of syntactic specificities, the semantic research and finally the display of particularly relevant results. Concerning the specific issue of semantic extension, the state of the art has highlighted the possibilities offered by lexical networks, which can take the form of a multilingual knowledge graph such as ConceptNet.…”