Research index·Book chapterNotesPrinceton University Press eBooks·16 Dec 2010DOI10.2307/j.ctt7s19h.16Book chapterNotesPrinceton University Press eBooks · 2010 · SubscriptionDOI10.2307/j.ctt7s19h.16ReadRead at the publisherSaveCiteAdd to literature reviewPaywalledThe full text is at the publisherOpen it at the publisher to read it.Read at the publisherDiscussionAdd to the discussionTopicsComputer scienceRelated papersMoreDetailsPublished, publisher, issueSuggest a correction or report