Humans think and talk about regions and spatial relations imprecisely, in terms of vague concepts that are fuzzy or probabilistic (e.g., downtown, near). The functionality of geographic information systems will be increased if they can interpret vague queries. We discuss traditional and newer approaches to defining and modeling spatial queries. Most of the research on vague concepts in informat...

We undertook this qualitative study to examine young people's understandings of the physical and social landscape of the downtown drug scene in Vancouver, Canada. In-depth interviews were conducted with 38 young people ranging from 16 to 26 years of age. Using the concept of symbolic violence, we describe how one downtown neighborhood in particular powerfully symbolizes 'risk' among local youth...

Most computer vision systems for vehicle guidance developed in the past were designed for the comparatively simple highway scenario. Autonomous driving in the much more complex scenario of urban traffic or driver assistance systems like Intelligent Stop&Go are new challenges not only from the algorithmic but also from the system architecture point of view. This contribution describes our curren...

The present study postulates distinctive land-use dynamics along the economic cycle, and tests against diverging trends over time of urban non-urban land-uses with characteristic potential. Short-term changes seven windows encompassing last three decades (1992–2020) were investigated in metropolitan Athens (Greece), a mono-centric region experiencing complex downturns. Based on diachronic maps ...