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I've been trying to replicate some of my previous LUIS knowledge into the new Microsoft Language portal (Conversational Language Understanding) and I'm getting stuck into one thing that we used to do so frequently that we have no longer been able to do: nested entities.

To clarify what my doubt is, pretend that we have just asked the user to provide a desired price range for a product. Then the user says: 'price range from $233 to $400'. With Luis, we could create a machine learning entity where we could have two other sub-entities: minimumValue, maximumValue like this:

nested entity in LUIS

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and when we train and test, we get a result like this:

training and results in LUIS

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My question is: how can we implement something similar in CLU?

I have already tried Quantity.NumberRange prebuilt entity and it does not cover all the possible scenarios! I tested it with many different ways of mentioning a range and it failed in many of them. Also, I tried to merge the prebuilt training with manual labeling training (learned) and the thing is that when the prebuilt did not find the minimum and maximum (meaning that it did not work) the manual labeling worked (but I couldn't specify the minimum and maximum because there are no nested entities in CLU). I would really appreciate any help

Felipe Santos
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  • I've been doing some extra tests and figured out strange behaviors with the prebuilt entity Quantity.NumberRange. If I say "the price range is from 2,213 to 4,543" it's working now, but if I say "the price range is from 2,213 to 4,543 dollars" it stops working. In my understanding, it shouldn't matter the extra details in the utterance (should still pick up the range). What makes me get sad is the fact that it seems that I lost the ability to implement my own machine learning/learned range cost entity – Felipe Santos Feb 13 '23 at 15:22

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