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The interface also allows to send text to the character, just type in the bottom part of the interface and press ENTER and select the particular character to which to send the text in case multiple are running (advanced configuration that uses the meta protocol). 

Configuration

The system is completely configured using a set of xml files. the configuration is separated into 4 main modules:

  1. the messaging bus
  2. the NLU module
  3. the DM module
  4. the NLG module

The messaging bus is common across all characters. The NLU, DM and NLG configuration instead is (can be) specific to each individual character. A default configuration must be provided but that can be overriden by specific configuration provided in the characters/CharacterName folder.

Here follows a list of all the current configuration fields for each of the types above:

Messaging bus configuration

  • AllowNluTraining: enables retraining of the NLU through the chat interface.
  • Character: default character attempted to start at startup.
  • ChatLog: the prefix (including path) of the chat log files.
  • ContentRoot: root directory where all characters are found. Typically it is resources/characters.
  • DisplayNluOutputChat: if true, the system displays the NLU output in the chat interface.
  • LoggingEventsInChatLog: if false, it disables saving the chat log file.
  • Protocols: list of external messaging protocols to enable. Each must be the name of a class extending edu.usc.ict.nl.bus.protocols.Protocol.
  • UseVrExpressOnly
  • UseVrSpeakOnly
  • VhComponentId: the string identifier used to respond to the VHToolkit messanger API.
  • VhOtherSpeaker: a string identifying the name of other vh speakers to which we want to listen (for multi agent configurations). Can be "*" to indicate listen to all.
  • VhServer: ip/name of the activemq server to which to connect.
  • VhSpeaker: name of the sender of vh messages, in general this should be automatically set using the current character, but it can be overwritten by this setting.
  • VhTopic: topic for the vh messages.
  • ZoomFactorChat: a float used to configure the font size in the chat window.
  • FileRoot: deprecated
  • InternalDmClass4VhMsgWrapper: deprecated.
  • IsLoadBalancing: not used in this context.
  • RunningMode: deprecated.
  • ValidatePolicies: deprecated.

NLU configuration

DM configuration

NLG configuration