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The National Archives of France (NAF) aim to build a knowledge base, made of EAC-CPF files, on the entities (government ministries and agencies, public notaries, persons, families, and private corporate bodies) whose records they keep. This base, which already serves as a management tool and as an access point to finding aids in the NAF website, is very incomplete and must now be enriched. After analyzing the current situation, this article discusses the scientific issues of the project (the definition, scope, main objectives and data model of the base, its place in the NAF information system, the need to develop another base on functions), the methods to be used to carry it out as a collective operation, and some prospects concerning the interoperability of the base with other ones, its Resource Description Framework representation and its visualization.

La Direction des archives de France a initié et finance Navimages, un environnement libre permettant de préparer et diffuser de grandes séries d'images numérisées. Navimages est composé de trois modules qui peuvent fonctionner de manière indépendante : le collecteur va identifier et préparer les images ; la base documentaire va permettre d'effectuer des recherches dans les données descriptives associées aux séries d'images, données sous la forme de champs ou en format XML EAD ; la visionneuse permet de consulter les images dans un navigateur web et de les manipuler aisément. Différents projets de numérisation utilisent cet outil : l'état civil des Français d'Algérie ; le projet Champlain ; le fonds d'archives de la période du Premier Empire. ABSTRACT. The Direction des archives de France has initiated and is financing Navimages, a free environment for preparing and publishing large collections of digitized images. Navimages comprises three independent modules: a collector, to identify and prepare images; the document base, for searching in descriptive data about the collections, data in either field based or in XML EAD; a viewer for easily browsing and manipulating images in a Web browser. Several projects use Navimages: civil registers for French in Algeria; Champlain project; archives from the Premier Empire.

RiC-O Converter is an open-source command-line tool to convert EAD finding aids and EAC-CPF authority records to RDF files conforming to ICA Records in Contexts ontology (RiC-O), in a robust manner. It was developed for the Archives nationales of France (ANF) but is aimed to be reused by other archival institutions, and to this aim is fully documented in English. It is based on XSLT stylesheets that take into account the variability of EAD content. It enabled the ANF to convert 15400 EAC-CPF files and 31000 EAD files into an homogeneous knowledge graph, and to start a more specific project aiming to provide end users with an intuitive search interface for a significant subset of this graph, opening new perspectives for navigating and linking from/to archival metadata.