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 Methods for creating and editing topics for virtual robots conversing in natural language

Details
Inventors: Benson, Scott S.; Tackett, Walter A.; Dillinger, Ray S.;
Assignee: Nativeminds, Inc. (San Francisco, CA)
Primary Examiner: Starks, Jr.; Wilbert L.
Assistant Examiner:
Attorney, Agent or Firm: Morrison & Foerster LLP

Automated methods are provided for the editing and authoring of topic scripts for the dynamic operation of virtual robots. A virtual robot, or BOT, processes natural language input from a user to effect certain actions according to user input. Typically, BOTs are constructed using topic scripts. Topic scripts may comprise example statements that typify the topic in question and patterns that are matched against user input to determine if the topic is activated by the user input. The steps of one embodiment of the present invention comprise: for an example statement associated with a topic script; testing said example statement against patterns in the topic script to determine if said example statement activates said topic; then for a word in an example statement not activating said topic: identifying zero or more pattern lists matching said word; then choosing one action from among a group of actions comprising: keeping said word; and replacing said word with a pattern list; then adding zero or more revised patterns to said topic script.

DETAILED DESCRIPTION The present invention meets the aforementioned needs by providing automated methods of editing and authoring topic scripts.
Typically, topic scripts comprise example statements that typify the topic in question and patterns that are matched against user input to determine if the topic is activated by the user input.
The steps of one embodiment of the present invention comprise: for an example statement associated with said topic script; testing said example statement against patterns in the topic script to determine if said example statement activates said topic; for a word in an example statement not activating said topic: identifying zero or more pattern lists matching said word; choosing one action from among a group of actions comprising: keeping said word; and replacing said word with a pattern list; adding zero or more revised patterns to said topic script.
In another aspect of the present invention, the script author may create an entirely new topic script from scratch using the automated methods of the present invention.
The author would create new example statements initially that embody the topic that the author seeks to address.
These new example statements would then be applied to the automated methods of the present invention in order to create patterns in order to "cover" the example statements--i.
e.
insure that the topic being created would be activated upon the input of the example statement in question.
In yet another aspect of the present invention, the associated example statements may be run through existing priority topics to produce patterns that are more specific to the topic at hand.
One advantage of the present invention is accuracy.
The methods of the present invention help to debug topic scripts to ensure that the topics in question are in fact activated by the example statements associated with the topic.
Another advantage of the present invention is speed.
The methods of the present invention are automated and implemented in simple dialog boxes to aid the script author in editing existing topic scripts or create entirely new scripts


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