FAQ

  1. Operators Function and examples

    +

    The + operator is equivalent to the boolean search operator AND and requires the search query to be included. While a search for feminism masculinity will return books which deal with feminism or masculinity or both, +feminism +masculinity will only return books which deal with both.
    Please note: The default connection of search queries is the boolean search operater OR, which means all queries can be in the result, but only one query has to be.

    -

    The - operator is equivalent to the boolean search operator NOT and excludes the search query. While searching for gender feminism will return books which deal with gender or feminism or both,
    gender -feminism will only return books which deal with gender, but not with feminism.
    Please note: The default connection of search queries is the boolean search operater OR, which means all queries can be in the result, but only one query has to be.

    ~

    The ~ operator is a milder version of the - operator, as it does not exclude the search query altogether, but ensures that a result in which it is included will be ranked lower. A search for gender ~feminism will rank books lower which deal with both gender and feminism and those higher which deal with gender but not with feminism.

    " "

    Quotation marks can be used if one wants to search for a phrase instead of a word. A search for "gender identity" will return only books which include the exact phrase and therefore specifically deal with gender identity. The search will exclude books which deal with either gender or identity but do not use the phrase 'gender identity'.

    *

    The asterisk is a wildcard operator and has to be added to a search query. A search for femini* will return each entry which includes words beginning with 'femini', such as feminism, feminist and femininity.
    Please note: The asterisk can also be used to include stop words in the search, such as 'the' or 'that' as well as words which consist of three letters or less and are therefore autmoatically ignored. If one wants to search for gender and law one should therefore enter gender law*.

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