An assumption of all major accounts of categorization is that the system operates in a Features-First manner: a stimulus is mentally encoded in terms of observable properties which are then evaluated for fit to known categories. A testable prediction of this view is that people must know the features of an object before knowing what category it belongs to. Experimental results using a speeded v...

To provide an explanation of the evolution of scientific knowledge, I start from the assumption that knowledge is based on concepts, and propose that each concept about reality is affected by vagueness. This entails a paradox, which I term Knowledge Paradox (KP): i.e. we need concepts to acquire knowledge about the real world but each concept is a step away from reality. The KP provides a unify...

It’s not uncommon for the same piece of personal data to relate more than one individual. Opinions, feedback and reputation involve statements by identifiable person about another; genetic contain information an individual, but also their relatives, ancestors descendants; communications both sender recipient; observations may be used make predictions others. Privacy cases papers have found thes...