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Help & Examples

Help:

This form lets you search the literature database using a standard CQL query (Common Query Language). You can simply enter a query term, in which case the keywords field will be searched by default. You can also search any other field, some query examples are given below. An introduction to CQL is given here.

Examples:

Find all records where the keywords field contains the word "ecology":

ecology

You can use wildcards anywhere in a search term to match one (?) or more (*) unspecified characters. E.g. this finds all records where the keywords field contains a word that starts with "ecolog":

ecolog*

Find all records where the title field contains any of the given words ("ecology" OR "diversity"):

title any ecology diversity

Find all records where the author field contains all of the given words ("dieckmann" AND "thomas" AND "sullivan"):

author all dieckmann thomas sullivan

You can also search for exact field matches. E.g. this finds all records where the publication field equals EXACTLY "Marine Ecology Progress Series":

publication exact Marine Ecology Progress Series

For numeric fields, the obvious ordered relations (<, <=, =, >=, >) may be used. E.g. this finds all records where the year field is greater than or equals "2005":

year >= 2005

For numeric fields, you can match a range using the within relation followed by the lower and upper end of the range. E.g. this finds all records where the volume field contains a number between "10" and "20":

volume within 10 20

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