| 单词 | scan-column index |
| 释义 | > as lemmasscan-column index scan-column index n. a tabular representation of coded information concerning or contained in a set of documents, for use in information retrieval. ΘΚΠ society > communication > information > action of informing > [noun] > information retrieval > index Yellow Pages1871 scan-column index1962 1962 J. O'Connor in Amer. Documentation 13 205/1 Place the document number in the left-hand column. Then, for each indexing term assigned to that document, look up the column and character abbreviation for the term, and in that column enter that character. I call an index of this form a Scan Column index. 1965 M. E. Stevens Automatic Indexing vi. 118 Tabledex, the Scan-column Index, and similar tools provide to some extent a display of prior associations between index terms. 1971 A. Gilchrist Thesaurus in Retrieval 140 The scan-column index. This is another book-form coordinate information retrieval system..in which all the item numbers are listed numerically in the first column, the other columns containing descriptors, allotted to those items. A separate table indicates which column would be searched for a particular descriptor. To facilitate searching, descriptors have been reduced to symbols. < as lemmas |
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