APPARATUS AND METHOD FOR DOCUMENT SEARCHING USING TERM CROSSING RELATION BASED QUERY EXPANSION

摘要

The present invention relates to a document search apparatus and method according to the word-based query expansion crossing relationship, the apparatus and method of the present invention comprises the steps of collecting line and off-line document is the search target document; Comprising indexing by parsing said collection of documents; Storing the indexed results; Analyzing the morpheme for the query response to the input of the query phrase; Step of the method of intersection based on the words in the query term stemming relationship query expansion in and perform searches on the basis thereof; And a step of outputting the search result, to extract a high word frequency in the document according to the search results for a given query and identify the association degree with respect to the predetermined query performs a search on the word weight by giving it to enable efficient search for a given query. ; Query, retrieval, also, the weight associated