Which policies for FAQ chatbot?

Rasa Open Source
1

Hi,

I am trying to build a chatbot in German that can answer simple FAQs as well as have more complex dialogues. I can’t get it to work for the simple FAQ part, what am I doing wrong? Please help!

The FAQs concern products and each product is an entity value:

  • product: product_name1, product_name2, product_name3, etc.

I have a general intent “intent:show_info” that recognizes when a user wants info on a product and the product name should be detected as an entity.

My stories are simple and look like this:

Show info on product_name1

  • show_info{ “product” : “product_name1”}
    • utter_info_product_name1

Show info on product_name2

  • show_info{ “product” : “product_name2”}
    • utter_info_product_name2

For some reason the dialogue manager always chooses the wrong action, for product_name1 it will choose “utter_info_product_name2”. I tried defining many stories with additional intents and actions, but that didn’t really help. How should I configure my policies to give me simple FAQ functionality? How many stories do I need (for, e.g., 10 different product names)?

Any help would be much appreciated!

2

Hey Ken, welcome to the forum! Which policy are you using right now? You may want to have a look at all the options here, I think Memoization or Mapping policy would help you. Let me know how it goes. Also, I should mention that there is a nice opportunity to learn more from experienced Rasa users and Rasa creators: our upcoming summit.

3

Hi Sam,

I was using the default ones:

policies:

  • name: MemoizationPolicy
  • name: KerasPolicy
  • name: MappingPolicy

When I remove KerasPolicy the bot doesn’t respond at all. I also don’t want to remove the KerasPolicy, because I have other more complex conversational flows (not only FAQs). Is there anything else I can try? Maybe some configurations for the KerasPolicy? Slots get automatically set for entities, right?