Importance

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Abstract

There is provided a character string updated degree evaluation program that enables quantitative grasping of an amount of intellectual work through editing and updating of character strings. A text subjected to comparison is divided into common part character strings each having a length greater than or equal to a threshold value, and non-common part character strings. A number of edited points from the original text and a context edit distance are calculated based on the rate of the common part character strings and the occurrence pattern thereof. A number of edited point is acquired from a number of elements contained in a common part character string set, and a context edit distance is acquired from a change in an order of occurrence of the common part character strings. Calculation of a new creation percentage and analysis by an N-gram are performed on the non-common part character string. The new creation percentage is acquired from the total length of the elements contained in a non-common part character string set, and a new creation novelty degree is acquired from a non-partial matching rate between a non-common part character string set and an element contained in the non-common part character string set. Calculations for the common part character string set and for the non-common part character string set are united, thereby calculating a text updated degree.

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First Claim