Data visualization methods, data visualization devices, data visualization apparatuses, and articles of manufacture

An article of manufacture comprising:

• storage media storing programming configured to cause processing circuitry to perform processing comprising:
• accessing a plurality of initial documents;
• initially processing the initial documents to provide a plurality of initial representations for respective ones of the initial documents, wherein the initial representations include a plurality of associations of the initial documents with a plurality of features which occur in respective ones of the initial documents;
• using the initial representations, initially identifying a plurality of associations of the initial documents with respect to one another;
• after the initially identifying, accessing a plurality of subsequent documents;
• subsequently processing the subsequent documents to provide a plurality of subsequent representations for respective ones of the subsequent documents, wherein the subsequent representations include a plurality of associations of the subsequent documents with a plurality of features which occur in respective ones of the subsequent documents;
• and
• using the initial and subsequent representations, subsequently identifying a plurality of associations of the initial documents with respect to the subsequent documents.