Research index·Book chapterNotesBloomsbury Academic eBooks·12 Sep 2014DOI10.5040/9781472554086.0008Book chapterNotesBloomsbury Academic eBooks · 2014 · SubscriptionDOI10.5040/9781472554086.0008ReadRead 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, languageSuggest a correction or report