Patent ID: 6470334
Filing Date: 2002-10-22
Classification: G06F,Y10S

Abstract:
A document retrieval apparatus that can determine whether a document matches retrieval search criteria, comprising;a word storing part that eliminates a redundancy with respect to every word contained in the document, and stores the words along with information concerning adjacent words adjoining to said words in said document; a document retrieval part that determines based on the retrieval search criteria containing a plurality of words and the sequential order thereof whether the plurality of words stored in said word storing part match said retrieval search criteria, wherein said word storing part stores said every word by identifying addresses in said word storing part, along with the adjacent words immediately after said words, and said word storing part stores, in a predetermined order, the addresses of the stored words next to the adjacent words as information with respect to said words to indicate the sequence of words in said document with the relationships between the addresses.