This month’s editorials question the basis of some accepted beliefs, namely the benefit of minimising the time spent as an in-patient in hospital, and the reasons for favouring atypical antipsychotics in the treatment of schizophrenia. Capdevielle & Ritchie (pp. 164–165) debate the risks and benefits of shorter hospital stays and suggest that the shortest stays occur in countries where communit...

We discuss current approaches to the development of natural language dialogue systems, and claim that they do not sufficiently consider the unique qualities of man-machine interaction as distinct from general human discourse. We conclude that empirical studies of this unique communication situation is required for the development of user-friendly interactive systems. One way of achieving this i...

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