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1996 \Judging from their laughter, the children at school found my remarks humorous. So without understanding humor, I have somehow mastered it." { L a l , i n S t a r T rek, \The Ospring" Abstract This thesis describes a formal model of a subtype of humour, and the implementation of that model in a program that generates jokes of that subtype. Although(More)
Phylogenetic relationships among 88 genera of Rosaceae were investigated using nucleotide sequence data from six nuclear (18S, gbssi1, gbssi2, ITS, pgip, and ppo) and four chloroplast (matK, ndhF, rbcL, and trnL-trnF) regions, separately and in various combinations, with parsimony and likelihood-based Bayesian approaches. The results were used to examine(More)
The authors of the paper are grateful to Hank Bessembinder (the referee) for many valuable comments and suggestions. The paper has bene"ted substantially from his penetrating and constructive comments. We also thank Bill Schwert (the editor), Wood for useful comments and discussions. We are solely responsible for any errors. Abstract We examine the role of(More)
Let N be a complete hyperbolic 3-manifold that is an algebraic limit of geometrically finite hyperbolic 3-manifolds. We show N is homeomorphic to the interior of a compact 3-manifold, or tame, if one of the following conditions holds: 1. N has non-empty conformal boundary, 2. N is not homotopy equivalent to a compression body, or 3. N is a strong limit of(More)
Consistent high-quality of papers published in ''Toxicology in Vitro'' can only be maintained with the cooperation and dedication of a number of expert referees. The Editors would like to thank all those who have donated the hours necessary to review, evaluate and comment on manuscripts; their conscientious efforts have enabled the journal to maintain its(More)
BACKGROUND Mental health patients can feel anxious about losing the support of staff and patients when discharged from hospital and often discontinue treatment, experience relapse and readmission to hospital, and sometimes attempt suicide. The benefits of peer support in mental health services have been identified in a number of studies with some suggesting(More)
A variety of public campaigns, including the " Just Say No " campaign of the 1980s and 1990s that encouraged teenagers to " Just Say No to Drugs " , are based on the premise that teenagers are very susceptible to peer influences. Despite this, very little is known about the effect of one's peers in middle school and high school on the long-run outcomes of(More)
This article deals with two concerns in achieving greater accountability in social reports: the lack of completeness of reporting, and the lack of credibility of reports. The article focuses, in particular, on the role of social audits in improving the completeness and credibility of reporting, thereby reducing the audit expectations gap. We suggest that(More)