part of is grain of Discussion in Karslruhe with, among others, Alan Rector, Stefan Schulz, Marijke Keet, Melanie Courtot, and Alan Ruttenberg. With inspiration from the paper Granularity, scale and collectivity: When size does and does not matter, Alan Recto, Jeremy Rogers, Thomas Bittner, Journal of Biomedical Informatics 39 (2006) 333-349 is grain of A relation between granular parts and the whole of which they are a part. Granular parts have indeterminate number such that removing one granular part does not necessarily damage or diminish the whole. JAO: Added definition 2013-10-25 based on 'has grain', but both these terms seem problematic. PERSON: Alan Ruttenberg metadata complete