Q. How does BNF represent iteration in comparison to regular expressions?

View solution

Q. Which of the following cannot be represented using regular expressions with the Kleene star operator?

View solution

Q. What characteristic makes regular expressions and BNF suitable for low-level dialog descriptions?

View solution

Q. What is a potential limitation of using regular expressions as a dialog notation?

View solution

Q. What advantage is associated with using existing tools for executing BNF and regular expressions?

View solution

Q. What level of dialog is often the focus when using regular expressions as a notation?

View solution

Q. What type of dialog element is NOT handled well by regular expressions and BNF?

View solution

Q. What is the key consideration for determining whether to use BNF, regular expressions, or other notations for dialog representation?

View solution

Q. What is the general form of production rules?

View solution

Q. What happens when the conditions of a production rule become true?

View solution

Q. In production rule systems, what does the term "event-oriented" refer to?

View solution

Q. What type of events are represented in angle brackets in production rule systems?

View solution

Q. What is the role of the dialog manager in a production rule system?

View solution

Q. What happens to the events named in the condition when a rule fires?

View solution

Q. What events represent the user's interactions in the production rule system?

View solution

Q. What is the purpose of the internal events in the production rule system?

View solution

Q. What happens to the system's memory after a rule fires?

View solution

Q. In an event-oriented production rule system, why are events removed from memory after being used in the condition of a rule?

View solution

Q. In state-oriented production rule systems, how are named values (attributes) managed when a rule fires?

View solution

Q. What is a key characteristic of state-oriented production rule systems in contrast to event-oriented systems?

View solution