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Schweikhardt, F.: Some thoughts on hybrid systems especially for patent documentation (1989)
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Patrick, T.B.; Sievert, M.C.; Popescu, M.: Text indexing of images based on graphical image content (1999)
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Forsyth, D.A.: Computer vision tools for finding images and video sequences (1999)
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Conduit, N.; Rafferty, P.: Constructing an image indexing template for The Children's Society : users' queries and archivists' practice (2007)
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Fayyad, U.M.; Djorgovski, S.G.; Weir, N.: From digitized images to online catalogs : data ming a sky server (1996)
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