Hi,

I am new to this list, I came here from the github Spotlight page about support 
and feedback. Questions related to what I am asking have popped up a couple of 
times in this list as far as I can see, but the answers do not provide what I 
am looking for.

I am using the statistical back-end, and I am basically trying to reconstruct 
the confidence value of the entities extracted.

I have extracted entities from tweets and as a first experiment I did not asked 
for any threshold confidence. Now I would like to calculate the confidence of 
each results to see how filtering based on that influences the quality of some 
other process I am doing with the entities.

I am now using the formula:

(1 - .5 * percentageofsecondrank) * similarityscore

Based on the fact that confidence increases with similarity score, but 
decreases if the second candidate is also similar.

Is this comparable to what Spotlight uses in 
http://spotlight.dbpedia.org/rest/annotate? Or else what is the formula? Does 
support play a role?

Thanks,

Stefano



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