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Applying intelligent agent technologies to support human learning activities has been the subject of recent work that reaches across computer science and education disciplines. This article discusses agent-based approaches that have been designed to address a range of pedagogical and/or curricular tasks. Three types of agents are identified in the literature: pedagogical agents, peer-learning agents, and demonstrating agents. Features of each type are considered, as well as the systems in which these agents are incorporated, examining common and divergent goals, system and agent architectures, and evaluation methodologies. Open issues are highlighted, and future directions for this burgeoning interdisciplinary field are suggested.
[T]he final tales of the Morte Darthur can be read both as the tragedy of Arthur and his knights … and as a ‘comic’ affirmation of their ‘worshipful’ lives and values.
(Larry Benson, Malory's Morte Darthur, 209)Than there was laughying and smylyng amonge them …
(Malory, Tale of Sir Launcelot, 208)Benson's reading of the Morte Darthur as Christian comedy notwithstanding, there is no question but that Malory's narrative, with its grim account of the disintegration of a once-ideal kingdom, is, in the end, a tragedy, a profoundly pessimistic commentary on the frailty of human nature. From the Book of Sir Tristram through the final explicit, light moments are few and far between; all the major figures are to be taken in dead earnest, for good or for ill. The tenor of the Morte as a whole, however, is by no means unremittingly dismal. Throughout the narrative there are flashes of optimism in human potential, of confidence that good can triumph over evil, and while these tend to concentrate in the first third of the book during the formative years of the kingdom, the thread of hope still faintly gleams in the increasingly somber tapestry of the final portions: Trystram succeeds in his quest to become a member of the Round Table fellowship, Palomydes experiences conversion, Lancelot miraculously heals Sir Urry. The Grail does prove enchevable, even if by only a precious few, and Guinevere, after all was said and done, ‘had a good ende’ (791).
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