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2014
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.
We study the second order elliptic equation with discontinuous intermediate coefficients. The variable coefficients and the right-hand side of this equation belong to some space M of type F. We find necessary and sufficient conditions on M for continuous differentiability of the solution to the above equation, when M is a space of type F or a symmetric space, or one of a Sobolev or a Besov space.