术语 | inverted file |
释义 | inverted file 倒排文件;[反档] 1. A file whose sequence has been reversed. 一种顺序倒置的文件。 2. In information retrieval, a method of organizing a crossindex file in which a keyword identifies a record; the items, numbers, or documents pertinent to that keyword are indicated. 在情报检索中,组织交叉索引文件的一种方法, 在这种方法中,一个关键字标识一个记录, 并指出与该关键字有关的项、编号或文献。 3. In databases, a file structure which facilitates searches for attributes by the provision of special lists or indices, for example, a personnel file uses an employee number as the primary key but an inverted file might provide a list in departmental order, with associated employee numbers.Thus all the employees in a given department could be accessed without an exhaustive search of the total personnel file. 在数据库中,一种便于按专用列表或索引提供的属性进行检索的文件结构。例如,一个人 事文件用职工号码作为关键字,但其倒排文件可能提供一种按部门序号排列并有有关职工号 码的表。这样一来,寻找一个特定部门的全体职工,就不必对总的人事文件作彻底的检索了。 |
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