Southern European cities face the challenges associated with recent emergence of formal and informal economies ‘Tourist City’ are scenario for diverse social tensions. Local protests against these changes, sometimes discredited as NIMBY –Not In My Backyard– have led to conflicts visitors local public administrations. However, fuzzy definitions groups organising often found in literature, well r...

The effectiveness of anti-spam techniques is an important question: after all, spam has a real cost to legitimate users in terms of time and resources. The problem is how we determine effectiveness, especially for anti-spam techniques that are distributed, and require global scale to function. A scientific approach would suggest that we conduct controlled experiments to evaluate global-scale an...

?????????????NIMBY??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????2×2????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????NIMBY????????????????????????????????????????

Planning the operational procedures in a railway marshalling yard is a complex problem. When a train arrives at a marshalling yard, it is uncoupled on an arrival yard and then its cars are rolled to a classification yard. All cars should eventually be rolled to the classification track that has been assigned to the train they're supposed to depart with. However, there is normally not enough cap...

Yard crane is an important resource in container terminals. Efficient utilization of the yard crane significantly improves the productivity and the profitability of the container terminal. This paper presents a mixed integer programming model for the yard crane scheduling problem with non- interference constraint that is NPHARD in nature. In other words, one of the most important constraints in...