CODEWITHSUNDEEP
ibm-watsonwatson-conversationwatson-dialog
Vinay Nair
Vinay Nair

Reputation: 61

In ibm watson conversation, How to extract a string after a certain word into the context variable?

for e.g. "show me an image of Eiffel tower" ... so i want Eiffel tower to be stored in the variable. that is i want any word after "of" to be stored. how to do this? . Thanks in advance.

Upvotes: 0

Views: 1057

Answers (2)

matsair
matsair

Reputation: 51

You can use regular expressions to capture entity values from user input. To capture the one or two words after of, use of ([a-z]+\s*[a-z]+) as the regular expression. Regular expressions are called patterns in WCS. Here is how a definition could look:

entity recognition using regular expressions

Then save the what the user says into the context variable using:

{
  "context": {
    "thing": "<? @thing.groups[1] ?>"
  }
}

To test it you can use the context variable in an answer, for example:

{
  "output": {
    "text": {
      "values": [
        "Getting a picture of $thing"
      ]
    }
  }
}

More information can be found at: https://console.bluemix.net/docs/services/conversation/entities.html#defining-entities

Upvotes: 0

Rohit
Rohit

Reputation: 187

Simple way to do this is by creating an entity which contains values like Eiffel Tower. Then you can store that in any context variable.

{
  "context": {
    "xyz":"@Place"
  },
  "output": {}
}

Here Place is your entity.You can use your context variable anywhere.

Upvotes: 1

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