keyworder

Keyworder - Intent prediction form PrgChatbot

Predict user intents with cool machine learning tool, Facebook FastText.

Preparing the model

• Install Facebook FastText
• Follow instructions

Using with Prg-Chatbot

Usage

const { Router } = require('prg-chatbot');
const keyworder = require('keyworder');
const path = require('path');

keyworder.setResolver({
    model: path.join(process.cwd(), 'models', 'model.bin')
});

const app = new Router();

app.use(keyworder('hello'), (req, res, postBack, next) => {
    res.text('Hello too!');
});

API

Functions

keyworder(tag, [threshold], [namespace]) ⇒ function

Create resolver middleware for PrgChatbot

setResolver(configuration, [namespace])

resolve(text, [threshold], [namespace]) ⇒ Promise.<{tag:string, score:number}>

Resolve single text

Typedefs

Configuration : Object

keyworder(tag, [threshold], [namespace]) ⇒ function

Create resolver middleware for PrgChatbot

Kind: global function

Param	Type	Description
tag	string	tag for matching
[threshold]	number	override success threshold
[namespace]	string	resolver namespace

Example

const keyworder = require('keyworder');

router.use(keyworder('hello-intent'), (req, res) => {
    res.text('Welcome too!');
});

setResolver(configuration, [namespace])

Kind: global function

Param	Type	Description
configuration	Configuration	the resolver configuration
[namespace]	string	set resolver for diferent namespace

Example

const keyworder = require('keyworder');
const path = require('path');

keyworder.setResolver({
    model: path.join(__dirname, 'model.bin')
});

resolve(text, [threshold], [namespace]) ⇒ Promise.<{tag:string, score:number}>

Resolve single text

Kind: global function

Param	Type	Description
text	string	query text
[threshold]	number	override the threshold
[namespace]	string	use other than default resolver

Configuration : Object

Kind: global typedef
Properties

Name	Type	Description
model	string	path to trained fast text model
threshold	number	prediction threshold (0.95 recommended)
cacheSize	number	keep this amount of results cached
filter	function	text preprocessor
logger	function	resolver logger function