| 摘要 |
<p>The present invention relates to a search algorithm for increasing the search efficiency of an Internet search engine. According to the present invention, an installer sets up a basis classification system and regards a classification item as a fuzzy set having a search word as an element, calculates a fuzzy degree about each search result, which belong to each classification item, calculates an inclusive relationship between the classification items as the degree a predetermined truth value and a predetermined false value, calculates a similar expanded classification system according to the degree, extracts the first search result of the search word from a database about the classification item in the basis classification system, and if user does not satisfy the first search result, then extracts repeatedly the second search result of the search word from a database about the similar expanded classification item in the similar expanded classification system until the second search result is satisfied.</p> |
