false drops

false drops

Search results that meet your search criteria but have nothing to do with the information you were trying to find. For example, you want biographical details about Grover Cleveland, but you get information about Cleveland, Ohio. See full-text search.
References in periodicals archive ?
Also, keyword searches in these tools are prone to false drops.
When your search is first displayed, it is surrounded by related terms, so there is much less chance of a false drop as with the East of Eden example.
To remove false drops each drop is accessed and checked individually.
Although this approach gives some space saving, the number of false drops will definitely be increased due to sparse signature files.
To minimize the number of false drops the database size is selected according to [4, 27, 30] as
The match here is the exact match and the optimal signature length selected in equation (1) minimizes the false drops.
In xrefer you may also find false drops that are unavoidable, especially in single-word searches, such as those results that list people whose first, middle, or last name is Hercules, not to mention the C-130 Hercules military airplane.
Thus, the inverted file will suffer from a large number of false drops if spatial constraints are included as part of the query.
The RSS algorithm performs a detailed check on the images to exclude false drops and rank the other candidates based on their degree of similarity to the query image.
The logical images under all query candidates are then passed to the RSS algorithm, which performs a detailed check to exclude false drops and rank the other candidates based on their degree of similarity to the query image.
Better retrieval can be achieved because of the semantic values attached to the terms; this would help reduce the false drops.
When we can work out to our satisfaction how the false drop occurred (perhaps a misspelled word), then we feel we can trust the search engine.