Patent Document ID: 4849898
Application ID: 07195293

Base Claim:
1. A text comprehension and retrieval method for identifying text words presenting concepts in a computer coded document related to the concepts presented in a computer coded expression of query words, comprising the steps of: calculating a first letter-semantic value for each of the query words by comparing each of the query words to itself; calculating a plurality of second letter-semantic values for each of the text words in a plurality of blocks of text of dynamically predetermined size by comparing each of the query words to each of the text words in each of said blocks; identifying the text words of the one of said blocks having second letter-semantic values that compare most closely to said first letter-semantic values.

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Claim 2:
2. The method of claim 1 wherein said step of calculating a first letter-semantic value and said step of calculating a plurality of second letter-semantic values includes assigning a numeric value to the relationship of the letters of a first word to the letters of a second word according to a predetermined relationship matrix.