rasa NLU is an open source tool for intent classification and entity extraction. Use this tag when referencing rasa stack, particularly their Natural Language Understanding modules.
Questions tagged [rasa-nlu]
660 questions
32
votes
5 answers
Difference between Rasa core and Rasa nlu
I tried to understand the difference between Rasa core and Rasa NLU from the official documentation, but I don't understand much. What I understood is that Rasa core is used to guide the flow of the conversation, while Rasa NLU is used to process…

Henu
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29
votes
4 answers
What is the difference between Dialogflow bot framework vs Rasa nlu bot framework?
What is the difference between Dialogflow bot framework vs Rasa nlu bot framework ?Any other open source frameworks available in market with NLP support?

balaji
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16
votes
2 answers
sklearn DeprecationWarning truth value of an array
Running a rasa_core example from the docs with
› python3 -m rasa_core.run -d models/dialogue -u models/nlu/default/current
and get this error output after each message in the dialog:
.../sklearn/...: DeprecationWarning: The truth value of an empty…

rojobuffalo
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10
votes
2 answers
Unable to install spacy english model in python 3.5
I am doing the following:
root@ABZ-173:/home/abz# pip3 install en_core_web_md
Collecting en_core_web_md
Could not find a version that satisfies the requirement en_core_web_md (from versions: )
No matching distribution found for en_core_web_md
You…

HBK
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10
votes
1 answer
which th best RASA NLU or SNIPS NLU?
I would like to know the difference between Snips NLU and Rasa NLU ?
which is simpler and powerful ?

Data Scientist
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9
votes
1 answer
Difference or Relation between RASA and Spacy
I'm really new to Chatbots and starting to learn these stuff using frameworks. I'm starting to use this opensource framework RASA and learning about it. Then I found that this entity extraction tool Spacy, is used by RASA.
Can anybody explain…

Tharindu Thisarasinghe
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8
votes
1 answer
TypeError: descriptor '__subclasses__' of 'type' object needs an argument while trying to import rasa_core
Trying to run a program that runs perfectly fine on my local machine, but on AWS I'm getting: TypeError: descriptor '__subclasses__' of 'type' object needs an argument.
My pip3 isn't upgraded to the latest version, but that shouldn't be causing an…

Rohit Nair
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7
votes
0 answers
rasa.core.agent - Could not load model due to Failed to find module 'rasa.nlu.classifiers.fallback_classifier
I'm dockerizing rasa application and the Dockerfile is
FROM python:3.7.6
RUN apt-get update && apt-get install -y --no-install-recommends build-essential curl
WORKDIR /app
COPY requirements.txt .
RUN pip install -r requirements.txt
COPY…

akriti
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7
votes
2 answers
What is the algorithm behind Rasa NLU?
I see the Rasa NLU use the MITIE and spaCy, but can anyone explain the how they use it and the algorithm behind?

Gary Ng
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6
votes
1 answer
Using Regex with Rasa
I'm trying to use Rasa to detect entities such as phone numbers or contract ID. It seems natural to use regular expressions to define precisely those entities, and Rasa does have something called "Regular Expression Features" which allows us to…

Daneel
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6
votes
2 answers
Understanding RASA-Core stories
I was trying to understand the examples given in RASA core git. I have seen an example story
greet
utter_ask_howcanhelp
inform{"cuisine": "italian"}
utter_on_it
utter_ask_location
But I didn't understand what {"cuisine": "italian"} is. Whether it…

Raghavendra
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5
votes
1 answer
how to set a slot in a custom action in rasa
I'm new to rasa framework. I started developing a simple chatbot and i have created three slots for my chatbot. So my bot need to identify the current location and save it in the slots. My current location is taking from the conversation and i can…

cbing120
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5
votes
1 answer
RASA Story w/ Slots
Can someone clarify for me with Rasa stories involving slots:
## story with email
* intent_request_email
- utter_request_email
* inform_email {"email":"example@example.com"}
- slot {"email":"example@example.com"}
- utter_thanks
In the…

Nicholas Hamilton
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5
votes
1 answer
its MIME type (“application/json”) is not a valid JavaScript MIME type
I am trying to call API through below code. but my browsers are
giving the same error and no response is getting from server.
And my API is working fine I have tested through postman.
I dont know where I am getting wrong
I have also tried…

sheel
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5
votes
1 answer
Rasa NLU: Confidence Score Computation
I was trying to understand what the confidences score outputted by rasa nlu(ver-0.12.3) actually are and how they are computed.
I have been working on intent classification task with tensorflow embedding. Once my model is trained and I parse…

Piyush Makhija
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