The sharing economy will blur the distinctions between renting and owning a wide variety of durable products. The first great entrepreneurial (Neolithic) revolution transformed hunter-gatherers into fixed agriculturalists. The second (Industrial) revolution dramatically reduced the costs of owning products. The third (Transactions Costs) revolution will reduce the costs of exchange, fostering a...

We introduce a mixed-initiative approach for document reconstruction that can significantly reduce the amount of time and effort required to reassemble a document from shredded pieces or an artifact from broken fragments. We focus in particular on the hardest subproblem, which is the problem of identifying a matching neighbor for any given piece. Our approach, called hallucination, combines hum...

In this study the fish assemblages of the silted Aguas Claras stream (AC) was compared with that of a reference, the São Carlos stream (SC), so as to identify potential fish indicators of integrity or degradation. Both streams, located about 5 km from one another, are part of the Upper Paraná river basin, Brazil, and present similar physiographical features. Twenty-one species were collected in...

This paper employs multiple regression analysis to evaluate the effectiveness of yieldraising techniques available to medieval farm managers (reeves) using a panel dataset of 49 manors held by the Bishop of Winchester from 1349-70. There are three main interesting findings. First, annual weather variation, modelled with climate reconstructions, was highly significant in explaining annual yield ...

toodeh party was one of the organized parties in the first days of iran's islamic revolution. this party began its cooperation with the revolutionary forces after 16th polonium and nooraldin kianoori's election as its first secretary. its support from imam khomeini's leadership and the revolution was based on its analysis and understanding of the socio-political forces' posi...

In 2001, Charles Vest, then President of the Massachusetts Institute of Technology, announced that MIT would make most of its course material freely available online. Browsing the Web site of MIT’s Open Courseware (OCW) project (http://ocw.mit.edu), you feel the stirring of a “my God, it’s full of stars” transformation: you can borrow material for your courses, study other teachers’ teaching me...

Abstract It is not self-evident to associate revolution with law. The disruption of political order that usually underlies revolutionary outbreaks thought affect legal rules so they are no longer orienting actors. However, if law might be a source constraints, ontologically it more surely discursive register tied state’s legitimacy. When the control at stake, as in situation, one can therefore ...