Friday, November 23, 2012

Feature of the week: Search with negated tags


We find it would be very useful to be able to exclude posts with certain tags in a search. Now this is supported in BibSonomy via the sys:not system tag.
You can use this tag in the tag search as a prefix for any tag. This causes the system to exclude every post which is tagged with the tag that follows the sys:not operator. 

For example some of my colleagues like to tag publications which they have already read with a tag like “read”.



 In combination with the sys:not system tag, they are now able to find all publications which they haven't tagged as read yet by querying for sys:not:read.

 Hope you'll like this feature and happy tagging!

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