Method for Searching Patent Document by Applying Degree of Similarity and System Thereof
First Claim
1. A method of providing a patent document search service by applying degree of similarity, comprising:
- (a) receiving at least one search keyword from a user of the service;
(b) searching a patent document previously stored in a database, by the search keyword; and
(c) evaluating a degree of similarity to the search keyword on the patent document that is searched by the search keyword, wherein the degree of similarity is evaluated by measuring at least one degree among a degree of appearance frequency of the search keyword in the document, a degree of proximity between the search keywords, and a degree of word order between the search keywords.
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Abstract
A method for searching patent documents by applying degree of similarity and a system thereof are disclosed. The method for searching patent documents by applying degree of similarity comprises receiving at least one search keyword from a user of the service; searching a document previously stored in a database, by the search keyword; and evaluating a degree of similarity to the search keyword on the document that is searched by the search keyword, wherein the degree of similarity is evaluated by measuring at least one degree among a degree of appearance frequency of the search keyword in the document, a degree of proximity between the search keywords, and a degree of word order between the search keywords. Therefore, patent documents may be searched by arranging the documents according to a degree of similarity to a search keyword, and not according to whether the keyword is included in the patent documents.
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Citations
37 Claims
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1. A method of providing a patent document search service by applying degree of similarity, comprising:
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(a) receiving at least one search keyword from a user of the service; (b) searching a patent document previously stored in a database, by the search keyword; and (c) evaluating a degree of similarity to the search keyword on the patent document that is searched by the search keyword, wherein the degree of similarity is evaluated by measuring at least one degree among a degree of appearance frequency of the search keyword in the document, a degree of proximity between the search keywords, and a degree of word order between the search keywords. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23)
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16. (canceled)
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24. (canceled)
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25. (canceled)
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26. (canceled)
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27. (canceled)
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28. (canceled)
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29. (canceled)
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30. A system for providing a document search service by applying degree of similarity, comprising:
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a keyword input unit configured to receive at least one search keyword from a user of the service; a database unit configured to store document data of the document; a document search unit configured to search the document previously stored in the database unit, by the search keyword; and a similarity evaluation unit configured to evaluate a degree of similarity to the search keyword on the document that is searched by the document search unit, wherein the degree of similarity is evaluated by measuring at least one degree among a degree of appearance frequency of the search keyword in the document, a degree of proximity between the search keywords, and a degree of word order between the search keywords. - View Dependent Claims (31, 32, 33, 34, 35, 36)
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37. A processor for providing a document search service by applying degree of similarity, comprising:
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a recording medium capable of mechanical reading; and a program code stored in the recording medium and capable of mechanical reading, wherein the program code includes a process comprising; (a) receiving at least one search keyword from a user of the service; (b) searching a document previously stored in a database, by the search keyword; and (c) evaluating a degree of similarity to the search keyword on the document that is searched by the search keyword, wherein the degree of similarity is evaluated by measuring at least one degree among a degree of appearance frequency of the search keyword in the document, a degree of proximity between the search keywords, and a degree of word order between the search keywords.
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Specification