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keyword searching #26

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antje-s opened this issue Nov 4, 2024 · 0 comments

antje-s commented Nov 4, 2024

In the keyword search it is apparently possible to search for several keyword values, whereby the default operator ‘AND’ seems to be used, e.g.

prediction
https://wis2.dwd.de/gdc/collections/wis2-discovery-metadata/items?f=json&limit=200&keywords=prediction
--> numberMatched = 58
prediction,global
https://wis2.dwd.de/gdc/collections/wis2-discovery-metadata/items?f=json&limit=200&keywords=prediction,global
--> numberMatched = 34
prediction,global,"Weather and Climate"
https://wis2.dwd.de/gdc/collections/wis2-discovery-metadata/items?f=json&limit=200&keywords=prediction,global,%22Weather%20and%20Climate%22
--> numberMatched = 29

It seems to be possible to change the operator to OR, e.g. via
https://wis2.dwd.de/gdc/collections/wis2-discovery-metadata/items?f=json&limit=200&q=(keywords:prediction%20global)
--> numberMatched = 96

Does this behaviour apply in principle?

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