improve occurrence searches using negative filter conditions

14493
Reporter: sant
Type: NewFeature
Summary: improve occurrence searches using negative filter conditions
Resolution: Duplicate
Status: Resolved
Created: 2013-12-19 20:35:05.878
Updated: 2014-03-12 14:06:31.426
Resolved: 2013-12-20 16:55:52.305
        
        
Description: Let's say I am interested in one of these possibilities:
- Searching for occurrences of a certain taxon
- Searching for occurrences of all taxa in a certain geographical area

I already have a lot of data from my own research, which is visible in a couple of datasets which are also available at GBIF.

So I would like to EXCLUDE these datasets from my search, rather than INCLUDING all datasets except those (which would generate a huge querystring).

How to do this?

This is just an example but there could be many other situations where a negative filter is the best (or the only) option to find what you are looking for (not only to exclude some datasets, but to exclude some scientificnames, some countries ... whatever).
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Author: kbraak@gbif.org
Comment: Duplicates POR-1476
Created: 2013-12-20 16:55:52.335
Updated: 2013-12-20 16:55:52.335