@article {uvigo:document, title = {A comparison of system architectures for intelligent document understanding}, journal = {Signal Processing: Image Communication}, volume = {9}, number = {1}, year = {1996}, month = {November}, pages = {1-19}, author = {G. S. D. Farrow and C. S. Xydeas and J.P. Oakley and A. Khorabi and Nuria Gonz{\'a}lez-Prelcic} }