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2009
It is built from checkable properties of the record itself: whether the article has a DOI, how many independent sources confirmed its data, whether the required fields are filled in, and how recent the latest confirmation is. Disagreement between sources and a missing identifier lower it. A value of 80 or above means the record was published without further checking; 60 to 79 means it is published at reduced confidence, with a manual check advisable. A record verified by an editor by hand is never pushed below 90 by a recalculation. This scores our data about the article, not the article itself.
Student’s criterion is used to detect ground level enhancements of solar cosmic ray intensity at middle latitudes. Application of this test to the data recorded by Alma-Ata high-altitude neutron monitor made it possible to detect the arrival of solar-origin relativistic particles on November 6, 1997 and August 24, 1998.