The phrase "such classification" refers to a specific grouping or categorization of something. It means categorizing things in a particular way. Full definition
It was a smart move, apparently, as it became clear afterward that many attendees had little knowledge of the potential consequences of such classification (e.g., the hunting of cats). (voxfelina.com)
A cluster analysis technique is described for determining whether the pattern of behavioural items in 3 year olds could be used as a basis for such a classification. (cambridge.org)
In the subsequent decades, he has emerged as a major contemporary artist, whose work — materially inventive, structurally complex, thematically ambitious and politically astute — renders such classifications as mainstream and self - taught immaterial. (artinamericamagazine.com)