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diskMETA has its own query
language that includes Boolean and refinement operators.
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| Operator |
Description |
| + |
Boolean AND. This operator is applied by default, i.e. the query cocktail recipe is equal to the querycocktail + recipe. |
| - |
Boolean NOT. It lets you exclude documents where an entered word is present. For
instance, for the query cocktail -vodka results will
contain documents where there is the wordcocktail but there
is no word vodka. |
| | |
Boolean OR. this operator lets you find documents that contain any
of given words. For instance, the seafood | shrimps
query retrievs documents which contain
seafood or shrimp or both
words. |
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Operators priority may be altered
with the sequential
operator "( )". If you need to find documents containing
phrases vacation at the Bahamas or vacation at the Caribbean,
you can use the brackets to specify the operators order:
vacation at the
(Bahamas | Caribbean).
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Refinement Operators
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| Īperator |
Description |
| "..." |
The double quote marks let you search for documents contating
exact phrases. An enquoted query retrieves documents which contain words of the same form and in the same
order as the keywords. |
| [n, ...] |
This operator lets you refine you query by limiting
the distance between keywords. For instance, the query
[5, mobile phone] retrieves documents
containing both words
mobile and phone with the distance up to 5 words
between them. |
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