Browsing by Subject "Systems theory"
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Item Open Access On the Hajek projection for truncated and censored data(Scientific Publishers, 1993) Gürler, Ü.; Wang, J.-L.Large sample properties of the product-limit estimators for truncated or censored data are usually achieved via the empirical cumulative hazard function estimators. Hajek projection of the empirical cumulative hazard function estimator is derived for truncated data and expressed for censored data. It turns out that both projections are asymptotically ni-equivalent but not equal to the respective influence curves. Weak convergences of the empirical cumulative hazard processes are deduced accordingly.Item Open Access Two ontological orientations in Sociology: building social ontologies and blurring the boundaries of the ‘social’(Sage Publications Ltd., 2015) Karakayali, N.The article highlights two contrasting ways in which social theorists have been trying to define the ontological boundaries of sociology since the early days of the discipline. Some (e.g. Durkheim, Weber, and critical realists) have attempted to demarcate social reality as a causally autonomous and qualitatively distinct realm in a segmented/stratified universe. Others (e.g. Tarde, Spencer, Luhmann, sociobiologists, and actor-network theorists) have postulated a more open (or flat) ontological space and blurred such demarcations by either rejecting the causal autonomy of sociological phenomena, or their qualitative distinctiveness, or both. So far, there has been little convergence between these two orientations since according to the former, the opening of the boundaries is likely to give way to reductionist conceptions of society, whereas the latter tends to associate rigid boundaries with essentialism. Through a close examination of these opposing orientations, the article aims to shed light on current ontological dilemmas of sociology. © 2014, © The Author(s) 2014.