Describing cultural heritage objects from the perspective of Linked Open Data (LOD) is not a trivial task. The process often requires not only choosing pertinent ontologies, but also developing new models that preserve the most information and express the semantic power of cultural heritage data. Indeed, data managed in archives, libraries and museums are complex objects themselves, which require a deep reflection on even non-conventional conceptual models. Starting from these considerations, this paper describes a research project: to expose the vastness of one of the most important collections of European cultural heritage, the Zeri Photo Archive, as Linked Open Data. We describe here the steps we undertook to this end: firstly, we developed two ad hoc ontologies for describing all the issues not completely covered by existent models (the F Entry and the OA Entry Ontology); then we mapped into RDF the descriptive elements used in the current Zeri Photo Archive catalog, converting into CIDOC-CRM and into the two new aforementioned models the source data based on the Italian content standards Scheda F (Photography Entry, in English) and Scheda OA (Work of Art Entry, in English); and finally, we created an RDF dataset of the output of the mapping that could show a result capable of demonstrating the complexity of our scenario.

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In this article, we propose a holistic approach to discover relations in art historical communities and enrich historians’ biographies and archival descriptions with graph patterns relevant to art historiographic enquiry. We use exploratory data analysis to detect patterns, we select features, and we use them to evaluate classification models to predict new relations, to be recommended to archivists during the cataloguing phase. Results show that relations based on biographical information can be addressed with higher precision than relations based on research topics or institutional relations. Deterministic and a priori rules present better results than probabilistic methods.

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Cet article est un compte-rendu du livre : Valentin Volochinov, Marxisme et philosophie du langage, édition bilingue traduite du russe par Patrick Sériot et Inna Tylkowski-Ageeva, Limoges : Éditions Lambert-Lucas, coll. « Bilingues en sciences humaines », 2010, 600 p., EAN 9782915806700 & Jean-Paul Bronckart & Cristian Bota, Bakhtine démasqué. Histoire d’un menteur, d’une escroquerie et d’un délire collectif, Genève : Librairie Droz, coll. « Titre courant », 2011, 629 p., EAN 9782600005456.