Using NLU Only

Question 1

Whats the cli command to train nlu only?

Answer 1

rasa train nlu

This will look for NLU training data files in the data/ directory and saves a trained model in the models/ directory.
The name of the model will start with nlu-.

Question 2

How to test the nlu model on the command line?

Answer 2

To try out your NLU model on the command line, use the rasa shell nlu command

This will start the rasa shell and ask you to type in a message to test. You can keep typing in as many messages as you like.

or:
rasa shell -m models/nlu-20190515-144445.tar.gz

Question 3

How to run the nlu server?

Answer 3

rasa run –enable-api -m models/nlu-20190515-144445.tar.gz

Question 4

How do you request predictions form the model?

Answer 4

You can then request predictions from your model using the /model/parse endpoint. To do this, run:

curl localhost:5005/model/parse -d '{"text":"hello"}'

Question 5

When the nlu is passed the following what will it return?

"I am looking for a Mexican restaurant in the center of town"

Answer 5

It will return structured data like this:

{
“intent”: “search_restaurant”,
“entities”: {
“cuisine” : “Mexican”,
“location” : “center”
}
}
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