The first type of data is transcribed data, copied from the item being cataloged. (See Principle 3 above). In RDF terms, the datatype for this is literal. The second type of data is composed data. This is description composed by the cataloger. In RDF terms, the datatype for this is also literal. Both transcribed and composed data should be displayable and keyword indexable. Neither transcribed nor composed data is normalized. That is to say that care is not taken to ensure that we always use exactly the same string of characters to refer to the same entity. When we transcribe a publisher's name, we transcribe what we see (e.g., G.P. Putnam), even if we know that we have other books in our collection in which the publisher's name appears in other forms (e.g. Putnam).
0.9.1 Transcribed and composed data