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This looks quite impressive and useful. Could someone explain what the precision metric refers to? The documentation states: Ookaboo attains high precision w
by julian37 15y ago
This looks quite impressive and useful. Could someone explain what the precision metric refers to? The documentation states:
Ookaboo attains high precision within it's point-of-view by having a very permissive definition of "depicts," which means roughly "this image could appear in an encyclopedia entry for..." For example, in the case of dbpedia:Pablo_Picasso, we'd accept a portrait of the artist, images of his works, or a house that he lived in.
But that doesn't really explain how the number 0.98 was arrived at.
EDIT: made this into a straightforward question rather than speculation.
- deleted 15y ago[deleted]
- loboman 15y ago1000000 * 0.02 = 20k This implies there are 20k wrong images in the dataset, sampling can find some of them
- PaulHoule 15y agoIt's hard to give a number for Ookaboo's precision because of the difficulty of evaluation. Different raters disagree with each other around a rate of 0.02.