发明名称 |
METHOD OF INDEXING KEYWORDS FOR SEARCHING IN A DATABASE RECORDED ON AN INFORMATION RECORDING MEDIUM |
摘要 |
A method of storing and searching data on a mass storage medium is provided. A dictionary of keywords in a data file is compiled and a unique ID number is assigned to each keyword. A plurality of the most frequently occurring keywords are assigned ID numbers opposite in sense to the frequency of occurrence of the keyword. The dictionary of keywords is classified into a plurality of classes, the class of keywords least frequently occurring within the database having the fewest levels of indexing and the most amount of information regarding the exact location of a keyword within the data file.
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申请公布号 |
CA2082014(C) |
申请公布日期 |
1999.02.02 |
申请号 |
CA19922082014 |
申请日期 |
1992.11.03 |
申请人 |
NORTHERN TELECOM LIMITED |
发明人 |
BERRY, VICTOR A.;HANSSENS, ARSENE;ROSS, EVAN B.;DAISLEY-HARRISON, AARON G. |
分类号 |
G06F17/30;G11B27/10;G11B27/32;(IPC1-7):G06F17/30 |
主分类号 |
G06F17/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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