| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To improve search performance when there is deviation in number of search objects for respective hash values in a data search device which performs search for combination of search keys using hash tables of respective search keys. <P>SOLUTION: A management table search unit 210 refers a hash table 300 for search when searching by combination of search keys of a plurality of data kinds, selects a data kind in which a number of data management tables 400 storing data whose hash value is the same to the search key is the minimum, and searches the data management tables 400 including the combination of the search keys for the data management tables 400 whose hash value is the same to the search key regarding to the selected data kind. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
