. Author manuscript; available in PMC: 2009 Jul 24.

Published in final edited form as: J Am Soc Inf Sci Technol. 2008 Sep 18;60(1):123–134. doi: 10.1002/asi.20955

TABLE 1.

Length of caption and paragraph text in the corpora.

Corpus	Type of text	Document count N	Word count
Training	Paragraph only	13	26 ± 14
	Caption only	85	13 ± 16
Test	Paragraph	81^a	44 ± 42
	Caption	81^a	17 ± 20
Test and Training	Paragraph	94	42 ± 40
	Caption	166	15 ± 18

In the test corpus, one radiograph showed two hands and had to be split in two images (one for each hand) to make IRMA indexing possible. For text processing, however, the same caption and paragraph text had to be used for both images.