Acquaintance: A Novel Vector-Space N-Gram Technique for Document Categorization. - Stephen Huffman; Marc Damashek (TREC, 1994)

Visualizing document classification: A search aid for the digital library. - Yew-Huey Liu; Paul Dantzig; Martin W. Sachs; James T. Corey; Mark T. Hinnebusch; Marc Damashek; Jonathan D. Cohen 002 (J. Am. Soc. Inf. Sci., 2000)