Online Social Networks have recently become extremely popular and generate a huge volume of spontaneous data. Knowing demographics of these users can provide useful information (e.g. marketing campaign segmentation). Unlike most approaches, we propose the use of Ecological Inference for understanding demographics of groups of people. Our results show that it is possible to infer gender and age ...

What should be monitored and who decides has been debated for as long as recreation ecology has been with us. The early work on planning frameworks advocates consulting with visitors to determine what conditions are important to them and then derive resource and social indicators from this information. Any associated standards are then similarly set with visitors’ input. At the same time, recre...

Cities are home to more than half of the world population. Cities have been the centers of economic and social developments, as well as sources of many major environmental problems. Cities are created and maintained by the most intense form of human-nature interactions. Cities are spatially extended, complex adaptive systems—which we call landscapes. The future of humanity will increasingly rel...