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Threshold & Configurations – KG

To train and improve the performance Threshold and Configurations can be specified for all three NLP engines – FM, KG and ML. You can access these settings under Natural Language > Training > Thresholds & Configurations.

The settings for KG engine is discussed in detail in the following sections.

Navigating to the Advanced Settings

  1. Open the bot for which you want to add synonyms.
  2. Hover over the side navigation panel and then click Natural Language.
  3. Click the Advanced Settings tab.
  4. Below is a detailed discussion about the Knowledge Collection section on this page.

Path Coverage can be used to define the minimum percentage of terms in the user’s utterance to be present in a path to qualify it for further scoring.
Definite Score for KG defines the minimum score for a Knowledge Collection or FAQ match to be considered as a definite match and discard any other intent matches found.
Minimum and Definitive Level for Knowledge Tasks allows you to set the confidence levels for a Knowledge Task. You can view and adjust the confidence level percentages for the task in one of three ranges as:

  • Not matching a task – The gray area represents the knowledge task NLP interpreter confidence levels are too low to match the task intent.
  • Multiple matches for a task – The orange area represents the NLP interpreter confidence levels range from minimum to maximum that provides one or more matches as a list of task intents to the user to choose from if the confidence level is more than 10% less than of the confidence level specified for Matching a task.
  • Matching a task – The blue-green area represents the NLP interpreter confidence levels range from minimum to maximum required to provide an exact match to one knowledge task intent provided no other task contains a score within 10%. If more than one task has a top matching score within 10%, the list of high scoring tasks is presented as a list of choices to the end-user.

To set confidence levels

  1. Click and drag the first slider level to the left or right, in 10% increments to define the minimum confidence level required to match a task.
  2. Click and drag the second slider level to the left or right in 10% increments to define the range for probable matches. If there is more than one probably match in this range, all probable matches are returned as a list of choices to the user. Any match with a confidence level higher than this setting is considered a match.

When the mouse drag is complete, changes are saved immediately and applied to the Bot.

KG Suggestions Count: Define the maximum number of KG / FAQ suggestions to be presented when a definite KG / FAQ match is not available.

Proximity of Suggested Matches: Define the maximum difference to be allowed between top scoring and immediate next suggested questions to consider them as equally important.

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