SIMILARITY DETERMINATION APPARATUS, SIMILARITY DETERMINATION METHOD AND SIMILARITY DETERMINATION PROGRAM
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United States of America Patent
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Issued Date -
Dec 29, 2016
app pub date -
Dec 3, 2015
filing date -
Jun 26, 2015
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Abstract
An objective is to extract, as similar functions, not only a pair of functions having the same syntax, but also a pair of functions having different syntaxes but performing similar processes. A similarity determination apparatus includes: a dependency analyzing section to get a list of dependee elements as a dependency list, from a source code including a plurality of functions, each function depending on one of the dependee elements; a similarity calculating section to calculate, based on the dependency list, similarity between the dependee elements on which two of the plurality of functions depend, as dependee similarity, and calculate, based on the calculated dependee similarity. similarity between the two functions, as depender similarity; and a similarity threshold determining section to determine that the two functions are similar to each other when the depender similarity is equal or exceeds a first threshold.
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