The article deals with the study of spacecrafts and stations based on the Wikidata international project data. For the items classified as "spacecraft and stations" the queries were performed via SPARQL and the following lists were received: the list of all spacecrafts and stations, the list of spacecrafts and stations that has been designed in the USSR and Russia, the bar chart for spaceships and stations that shows the number of designed spacecrafts for decades, in the period from 1960 to 2017. Moreover, the Wikidata were evaluated from the point of their completeness. It showed that many objects have the wrong value of property "instance of (P31)".
Петрозаводский государственный университет