APPARATUS AND METHOD REFINING KEYWORD AND CONTENTS SEARCHING SYSTEM AND METHOD

摘要

PURPOSE: A device and a method for arranging keywords and a system and a method for searching contents are provided to remove unnecessary or meaningless words from keywords written for contents, thereby realizing correct tagging of the keywords. CONSTITUTION: A document structure analyzing unit(412) extracts at least two corpuses from a title corpus, a main text corpus, a keyword corpus, and at least one replay corpus. A link generating unit(413) generates a link between words configuring the extracted corpus. A word remover(414) calculates the importance of the words through the link. The word remover removes a word with low importance from the keyword corpus.