LetterSampo: correspSearch Knowledge Graph includes separated in different subgraphs representing actors, letters, places, and other aspects and documentation of epistolary data. The data covers approx. 130 000 letters by 17 500 senders and receivers. The documentation of LetterSampo correspSearch dataset is available on Linked Data Finland page and explained in more detail on the project page. This dataset is available on a public SPARQL endpoint (https://ldf.fi/corresp/sparql).

2022