Method and apparatus for highlighting and categorizing documents

Details Method and apparatus for highlighting and categorizing documents Method and apparatus for highlighting and categorizing documents

1995-11-09

1996-06-11

Couso, Jose L.

Image analysis

Pattern recognition

Context analysis or word recognition

382224, 382173, 395600, 36441908, G06K 972

Patent

active

055264433

ABSTRACT:
Highlighting and categorization of documents is carried out by using word tokens which represent words appearing in a document. Elimination of certain unimportant word tokens is first completed, after which the remaining words of the document are ranked according to their word token appearance rates. These rates are then used to highlight frequently appearing words in the document which indicate the document's topic. The document can also be categorized using document profiles developed from the word tokens.

REFERENCES:
patent: 4907283 (1990-03-01), Tanaka et al.
patent: 5375176 (1994-12-01), Spitz
patent: 5384863 (1995-01-01), Huttenlocher et al.
Cavnar, William & Trenkle, John, "N-Gram-Based Text Categorization," Environmental Research Institute of Michigan, pp. 161-175, 1994.

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