Its continuing character Jill was inspired in part by Robert A. Heinlein 's self-aware computer Mycroft HOLMES ( High-Optional , Logical , Multi-Evaluating Supervisor ) in The Moon Is a Harsh Mistress .
Bear was influenced by Robert A. Heinlein 's self-aware computer Mycroft Holmes ( `` High-Optional , Logical , Multi-Evaluating Supervisor '' ) in The Moon Is a Harsh Mistress when creating Jill .