false retrieval

false retrieval

[¦fȯls ri′trē·vəl]
(computer science)
An item retrieved in an automatic library search which is unrelated or vaguely related to the subject of the search. Also known as false drop.
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Other features of the Claims database include Standardized Assignee names for each patent; annual updating of all Classification changes made by the USPO reflecting current and retrospective changes; and removal of all punctuation found in the Inventor name section, which will help eliminate false retrieval.
In particular, it is known that the false retrieval probability is smallest when half of the bit positions in a bit vector are equal to 1 [19, 20].
Taken to its logical conclusion, these deficiencies will mean false retrievals or missed searches or failure to provide catalog users with optimum search and retrieval conditions.