Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 7 · column 2 of 6 · from the scan, no model involved
on-line catalogue could be continually updated, so when a book is added to or withdrawn from the collection the catalogue will immediately have that information. With CD ROM technology the information would have to be sent to an outside
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