Group judgements are often – implicitly or explicitly – influenced by their members’ individual expertise. However, given that expertise is seldom recognized fully and that some distortions may occur (bias, correlation, etc.), it is not clear that differential weighting is an epistemically advantageous strategy with respect to straight averaging. Our paper characterizes a wide set of conditions under which differential weighting outperforms straight averaging and embeds the results into the multidisciplinary group decision-making literature.

The paper discusses the practice of genetic counseling and elective abortion in the German Democratic Republic. Keywords: elective abortion, embryo transfer, in vitro fertilization, protection of human life, reproductive ethics, German Democratic Republic, bioethics CiteULike Connotea Del.icio.us What's this?

In the twentieth century, the UN Declaration of 1948 is considered to be the international standard for universal human rights. In 1791, Olympe de Gouges critically analysed the French Declaration of Human Rights of 1789, and found that women were excluded from it.1 This paper is a critical examination of the 1948 UN Declaration, with equally troubling findings.

This commentary posits that the social-constructionist view of emotion should be clearly distinguished from related theoretical views on how emotions are shaped by and shape social interactions and relationships. Differentiating between distinct theoretical perspectives is essential in order to specify the unique knowledge about emotions gained by the social-constructionist approach and to create empirical paradigms that can be applied to test assumptions derived from the social-constructionist view.

Paper prepared for the XVIII World Congress of Philosophy, Brighton, U.K.

We demonstrate that an unlexicalized PCFG can parse much more accurately than previously shown, by making use of simple, linguistically motivated state splits, which break down false independence assumptions latent in a vanilla treebank grammar. Indeed, its performance of 86.36% (LP/LR F1) is better than that of early lexicalized PCFG models, and surprisingly close to the current state-of-theart. This result has potential uses beyond establishing a strong lower bound on the maximum possible accuracy of unlexicalized models: an unlexicalized PCFG is (...) much more compact, easier to replicate, and easier to interpret than more complex lexical models, and the parsing algorithms are simpler, more widely understood, of lower asymptotic complexity, and easier to optimize. (shrink)

I will argue for two main points. First, the regress imbedded in infinitism need not be subject to the Structural Objection; and second, the Structural Objection does not pose a real problem for any regress. I will not be arguing for the correctness of my proposal directly. That is, as will become apparent soon, my proposal rests on two principles of reasoning which together entail infinitism and I will not present my arguments for those principles here. The purpose of this (...) paper is to show that the objections raised by Gillett do not pose a grave problem for infinitism. (shrink)

This book casts new light on the traditional disagreement between those who hold that we cannot be morally responsible for our actions if they are causally determined, and those who deny this. Klein suggests that reflection on the relation between justice and deprivation offers a way out of this perplexity.

Note: Paper to appear in special issue of the journal Psychology of Consciousness: Theory, Research, and Practice, on the evolution of consciousness //// Klein, Nguyen, & Zhang (in press) argued that the evolutionary transition from respondent to agent during the Cambrian Explosion would be a promising vantage point from which to gain insight into the evolution of organic sentience. They focused on how increased competition for resources -- in consequence of the proliferation of new, neurally sophisticated life-forms -- made (...) awareness of the external world (in the service of agentic acts) an adaptive priority. The explanatory scope of Klein et al (in press) was limited to consideration of the conscious apprehension of externally sourced content – i.e., content delivered from the sensory registration of objects occupying phenomenal space. But consciousness – at least for humans -- takes its objects from internal as well as external sources. In the present article we extend their analysis to the question of how internally sourced content (i.e., mental states) became the object of conscious apprehension. (shrink)

One of the important lessons to take away from Rohit Parikh’s impressive body of work is that logicians and computer scientists have much to gain by focusing their attention on the intricacies of political campaigns. Drawing on recent work developing a theory of expressive voting, we study the dynamics of voters’ opinions during an election. In this paper, we develop a model in which the relative importance of the different issues that concern a voter may change either in response to (...) candidates’ statements during a campaign or due to unforeseen events. We study how changes in a voter?s attention to the issues influence voting behavior under voting systems such as plurality rule and approval voting. We argue that it can be worthwhile for candidates to reshape public focus, but that doing so can be a complex and risky activity. (shrink)

This book casts new light on the classic dispute between `compatibilists' and `incompatibilists' about determinism and moral responsibility. Martha Klein argues that the traditional account of the dispute, turning as it does on the notion of the agent's `ability to have acted otherwise',misrepresents the real disagreement, which arises from the compatibilists' conviction that it is sufficient for blameworthiness that an agent's wrongdoing was the result of a morally reprehensible frame of mind, and the incompatibilists' insistence that wrongdoers cannot be (...) morally responsible fortheir actions if they are not responsible for their motivating desires and beliefs. The incompatibilist position seems compelling when, for instance, we consider wrongdoers whose desires and attitudes can be traced to early emotional deprivation. The author argues that our response to these andother `problem cases' commits us to an incompatibilist condition for blameworthiness which is actually unfulfillable. In her view, however, some reflections on emotional deprivation should also encourage acceptance of a compatibilist condition which will satisfy our desire to be just more fully thanthe usual proposals emanating from either side of the debate. (shrink)

We present a novel generative model for natural language tree structures in which semantic (lexical dependency) and syntactic (PCFG) structures are scored with separate models. This factorization provides conceptual simplicity, straightforward opportunities for separately improving the component models, and a level of performance comparable to similar, non-factored models. Most importantly, unlike other modern parsing models, the factored model admits an extremely effective A* parsing algorithm, which enables efficient, exact inference.

This paper presents a novel approach to the unsupervised learning of syntactic analyses of natural language text. Most previous work has focused on maximizing likelihood according to generative PCFG models. In contrast, we employ a simpler probabilistic model over trees based directly on constituent identity and linear context, and use an EM-like iterative procedure to induce structure. This method produces much higher quality analyses, giving the best published results on the ATIS dataset.

This is the third draft of a paper that aims to clarify the apparent contradictions in the views presented in certain standards and other specifications of health informatics systems, contradictions which come to light when the latter are evaluated from the perspective of realist philosophy. One of the origins of this document was Klein’s discussion paper of 2005-07-02 entitled “Conceptology vs Reality” and the responses from Smith, as well as the several hours of discussions during the 2005 MIE meeting (...) in Geneva. (shrink)

This paper discusses physician-assisted suicide and voluntary active euthanasia, supplies a short history and argues in favour of permitting both once rigid criteria have been set and the cases retro-reviewed. I suggest that among these criteria should be that VAE should only be permitted with one more necessary criterion: that VAE should only be allowed when physician assisted suicide is not a possible option. If the patient is able to ingest and absorb the medication there is no reason why VAE (...) should be permitted. A brief history of VAE and PAS is given and some of the arguments which have been given are analyzed. The Principle of the Double Effect is briefly discussed and why, in my opinion, it is not a valid principle is briefly discussed. (shrink)