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.
: A term that refers to search results that are not relevant to the user's query.
In reference  reached 85.5% pass rate with 91 false drops
, but we can find that the performance of our method is much better than Schneiderman's method; it can reach a high detection rate with less false drop
The drop that actually matches the Sq is called an actual drop and drop that fails the test is called false drop
. The next step in the query processing is the false drop
The equations used to calculate the signature weight and width are obtained so that the false drop
probability is minimized and are proved in Roberts  and Davis and Kamamohanarao .
When we look through the list of documents or sites returned from a search engine there are always a few errors, called "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.
Using PLSA, the company says MindServer Retrieval has the capability to "understand" the context of search terms utilizing machine learning technology, which results in far fewer incorrect results or false drops
The inclusion in the database of a good selection of items in full text greatly expands the access to Peel materials (with an attendant expansion of frustration due to "false drops
," but an even greater expansion of serendipitous finds).
Better retrieval can be achieved because of the semantic values attached to the terms; this would help reduce the false drops
. Document surrogates can be prepared automatically according to the prescribed rules of the concerned indexing system--e.g., according to the principle of generating the index entries in PRECIS (Austin & Dykstra, 1984).
Controlled terms that are tailored to a corpus minimize false drops
. The ability to perform date limiting eliminates the results list that mixes old and new content indiscriminately.
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.
In contrast with results from general Web search engines and even Yahoo!, the leading Web directory service, searching on LookSmart seems to retrieve few or no false drops
. The company clearly has a commitment to "bull's-eye" searching.