Implementasi Extended Boolean dan Pemanfaatan Tesaurus pada Temu Kembali Informasi

Abstract

Method that is used in meeting system is back information it is methodic Extended Boolean who merge query Boolean’s formula and vector room model. If Boolean’s method utilize AND'S notation, OR, NOT but that Abbreviate can't resulting document, and vector room method that Abbreviate  can resulting document but not utilize Boolean’s notation, therefore method extended Boolean constitutes affiliate both. Utilizing thesaurus in do query's extension so one document that relation can with other document. To know operator performance and AND on extended Boolean, doing that test-driving more operator a lot of get relevant document to be compared with AND'S operator, but with operator also irrelevant document amount most prodigious takings. Meanwhile meeting performance is back information on thesaurus which is more get relevant document on query that specific than query what does common. Query that more effective being utilized on extended Boolean’s method which is query long (more than 2 syllables) to get document that aptly relevant. Meanwhile on thesaurus, query is short (less than 3 syllables) more effective to be utilized.