Recently a customer of the FAQ bot generator in my BotFlo app made the following observation:
We made the mistake of using the Knowledge Base, which ended up being a disaster. Converted the KB to intents and had over 800 of them. This brought it down to about 80. Thanks again for making this tool.
This customer converted the knowledge based FAQ chatbot into what I call an intent based FAQ bot.
I have created a table summarizing the differences between knowledge based FAQ bots and intent based FAQ bots.
|Intent Based FAQ Bot||Knowledge Based FAQ Bot|
|How we build it||Using intents and training phrases||Using the knowledge base feature|
|Support for multiple responses for the same query||No||Yes|
|Multiple training phrases per intent||Yes||No|
|Supports entities in training phrases||Yes||No|
|Support for contexts (and follow up)||Yes||No|
|Easy to construct rich responses (e.g. for Dialogflow Messenger)||Yes||No|
|Use term reinforcement for adding weights to specific words and phrases||Yes||Blackbox|
|Allows us to minimize intra-intent variance and maximize inter-intent variance (as recommended by Google)||Yes||Blackbox|
As you can see, unless you are sure you need multiple responses from your chatbot, you are much better off going with the Intent Based FAQ Bot.
However, while the Knowledge Base feature allows you to import from a CSV file, that isn’t possible with intent based FAQ bots. If you need to add a lot of training phrases in your chatbot, it can be quite slow to do it using the Dialogflow web interface. In that case, you can simply type out your questions and answers in the appropriate format and use the BotFlo app to convert it into a Dialogflow FAQ bot with a click of a mouse.
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"The magic key I needed as a non-programmer" The custom payload generator was the magic key I needed (as a non-programmer) to build a good demo with rich responses in DialogFlow Messenger. I've only used it for 30 minutes and am thrilled. I've spent hours trying to figure out some of the intricacies of DialogFlow on my own. Over and over, I kept coming back to Aravind's tutorials available on-line. I trust the other functionalities I learn to use in the app will save me additional time and heartburn. - Kathleen R Cofounder, gathrHealth