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5355234 | Kim | Oct 1994 | A |
5587808 | Hagihara et al. | Dec 1996 | A |
5588072 | Wang | Dec 1996 | A |
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---|---|---|
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572325 | May 1983 | EP |
325417 | Jul 1989 | EP |
411921 | Aug 1990 | EP |
567344 | Apr 1993 | EP |
Entry |
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Tsujimoto, et al, “Understanding Multi-Articled Documents”, 10th International Conference on Pattern Recognition, IEEE, vol. 1, Jun. 16-21, 1990, pp. 551-556. |