Dynamic entities not working consistently

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NewUser-2a13a7f2-ee25-4e02-8e23-5200ab449cea asked · May 08, 2019 at 05:40 PM

Dynamic entities not working consistently

I'm having an issue implementing dynamic entities in my skill. When I load the dynamic entities in my response, I can see the dynamic entities being loaded in the JSON response object, but it works sometimes but not all the time.

For example, I have an intent called "ResponseIntent" with an utterance of "tell me about {tag}" and that entity is called LIST_OF_TAGS. I load the dynamic entity with a value of "Mount Rainier" (which I can see it being loaded in the JSON response). However, when I say "tell me about Mount Rainier" it sometimes correctly goes to the ResponseIntent with the dynamic entity being matched in the JSON request, but other times, it will go to the AMAZON.FallbackIntent. In fact, I find that it goes to the AMAZON.FallbackIntent more times than it goes to the ResponseIntent.

Also, if I add Mount Rainier as a static entity, it works 100% of the time.

Any help would be appreciated. Thanks.

alexa skills kit dynamic entities

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Pan@Amazon ♦ · May 14, 2019 at 05:52 AM

Can you provide me with your Skill ID? How many values are you using to bias the slot value?

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2 Answers

Answer 1 · 2019-06-16T23:18:26Z

Quang N answered · Jun 16, 2019 at 11:18 PM

Hey Guys,

I've posted a feature request (link below). Please vote to help it get implemented. Cheers.

https://alexa.uservoice.com/forums/906892-alexa-skills-developer-voice-and-vote/suggestions/37908835-able-to-create-custom-dynamic-slot-type-similar-to

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Answer 2 · 2019-05-08T19:47:21Z

RokasV answered · May 08, 2019 at 07:47 PM

Dynamic entities don't make alexa's understanding perfect. It's just one of the tools, that can help you to improve the recognition. By using dynamic entities you let alexa know, which slot values are expected from the user, so that she would know, which values to bias, when trying to match user speech with the value. Even at the docs it says, that alexa will bias the value from dynamic entities, rather than totally rely on it. For the best possible result, I would add that value you mentioned to the static slot values and when you expect user to say it, emit it in the dynamic entities, this way you'll be using full potential of dynamic entities.

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D. Young · May 08, 2019 at 10:25 PM

Apologies for being blunt, but of course they don't make Alexa's understanding perfect. There are plenty of times where static slots don't work perfectly either. But dynamic slot values need to work as well as static ones and that does not seem to be the case. Our testing confirms what is shared above - recognition of dynamic entities doesn't work to a level at which it makes sense to use them.

If you give the user a menu of options based on dynamic entities, and when they say one of them the user gets a 'sorry, I don't know about that' sort of answer, it defeats the purpose.

Your suggestion, while appreciated, doesn't apply because the the whole reason for dynamic entities is to handle situations where you don't know the slot values to include at model build time.

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Quang N · Jun 12, 2019 at 04:23 AM

Hi Rokas,

I'm having the exact same issue as D. Young.

I asked about the ability to add custom slot values, hopefully dynamically as the data is specific for each client link below.

https://forums.developer.amazon.com/questions/207767/custom-slot-type-value-variations-and-limitations.html

With the slot type being used to look up client names. Most clients do not have common English names. When adding their names to the custom slot type and speaking to Alexa it resolves 99% correct.

However with this there is a problem since to load all client names would blow the 1.5MB JSON interaction model file limit for sure.

I've tried the recent release of (Dynamic Slot Values) - March 2019. I'm having the same issue, where if I load the names and use it within the session. When speaking to Alexa the chance of it resolving to the correct name is pretty close to 0%.

Is there something we are doing wrong or does dynamic slot value not support this sort of stuff where it learns the words? Any advice is appreciated.

Thank you.

Quang

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