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2003
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.
In this article we investigate subsets of n-dimensional Euclidean space R n with the following separation property: if , then there are a finite number of linear functions , such that We show that every such set is the intersection of its radiant and co-radiant hulls. Also the union of a finite family of the sets under consideration is examined.