5/03/2024
by Moissinac
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This post makes a quick analysis of information in Wikidata about paintings (obtained on 29/2/2024). 926217 paintings are described in Wikidata. We’ll focus mainly on the 287350 that have an image associated by the P18 image property. Among these paintings: … Continue reading
4/12/2023
by Moissinac
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SemJoconde and WJoconde are derived from Joconde Joconde database is managed by the French Ministry of Culture. It provides metadata on some 600,000 creations from French cultural heritage. It is mainly fed by data from the curators of the museums … Continue reading
28/11/2023
by Moissinac
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We’re going to use WDQS here to check whether a few simple rules could usefully complement Wikidata. Let’s take the example of the following rule “one of the occupations of a creator who created a painting mentioned in Wikidata is … Continue reading
28/11/2023
by Moissinac
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In December 2022, using data from my SemJoconde graph, I automatically created a Wikidata entity describing Jan Sadeler’s “Nativity”. (https://www.wikidata.org/entity/Q115621575). Pour la propriété ‘described at URL’, j’avais indiqué l’URL de la page POP qui décrit cette même œuvre: https://www.pop.culture.gouv.fr/notice/joconde/02110007978. POP … Continue reading
4/11/2023
by Moissinac
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I work on data concerning artworks, particularly in Wikidata, mainly artworks of French cultural heritage. It made for an amusing observation. On Wikidata, many artworks have a ‘genre’ property (P136). To get some inspiration from the values used for this … Continue reading
24/08/2023
by Moissinac
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Wikidata contains information on many artworks of French cultural heritage. Here, I will illustrate how Wikidata can be used to analyze this heritage and its representation in Wikidata. I am going to comment on a query performed on Wikidata’s SPARQL … Continue reading
23/08/2023
by Moissinac
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We saw in the post https://datamusee.wp.imt.fr/2023/07/25/creation-dun-dump-wikidata-de-la-base-joconde/ how a Wikidata dump of the description of artworks in the Joconde database was created, which I’ve named WikidataJoconde. This dump can be accessed on Zenodo at url: https://zenodo.org/record/7941537 WikidataJoconde contains 484207 triples for … Continue reading
25/07/2023
by Moissinac
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On 28/5/2023, I created a dump of a Wikidata extract composed of triplets concerning works referenced in the Joconde database. We introduced the concept of the ‘context graph’ (CG) in ‘Knowledge Base Completion With Analogical Inference on Context Graphs’. A … Continue reading
31/05/2023
by Moissinac
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This post describes a knowledge graph extracted from Wikidata, which is intended as a reference dataset for research on this type of graph, and in particular for studies on graph embeddings. The Joconde database is administered by the French Ministry … Continue reading
4/05/2023
by Moissinac
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(series: best practices and solution choices for knowledge graphs) The question posed here concerns the choice of domain to define uris and how to ensure expressive dereferencing of uris. It is a question of exploring the consequences of the deep … Continue reading