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The use of citation indexing for information retrieval is increasingly arousing the interest of the scientific community. It therefore seems appropriate to
We will begin by asking if the prevailing notion of what computer systems can achieve in biological image-processing may not be overly modest. This question
This paper considers a class of information sources consisting of text and pictures. The text is English language text appearing in scientific and technical
The National Bureau of Standards and the United States Patent Office are collaborating in a long-term program to develop and apply automatic techniques of