| 摘要 |
<P>PROBLEM TO BE SOLVED: To extract synonyms from a large amount of text with the use of limited memory. <P>SOLUTION: Pairs of words (target words) and contextual words (co-occurrence words) are extracted from text, the co-occurring words are projected into a random matrix, and similarities between the words are determined according to similarities in compressed context given by a compressed context matrix, which tabulates the results of projection. <P>COPYRIGHT: (C)2009,JPO&INPIT |
