Variability is a key factor of most systems. While there are many works covering variability in functionality, there is a research gap regarding variability in software qualities. There is an obvious imbalance between the importance of variability in the context of quality attributes, and the intensity of research in this area. To improve this situation, the First International Workshop on VAri...

Terrestrial laser scanning was used to measure snow thickness changes (perpendicular to the surface) in a rock face. The aim was to investigate the accumulation and redistribution of snow in extremely steep terrain (>60). The north-east face of the Chlein Schiahorn in the region of Davos in eastern Switzerland was scanned before and several times after a snowfall event. A summer scan without sn...

An address is a common reference for a multitude of information. In South Africa, multiple address datasets are developed and maintained by various public and private organizations with little or no cooperation on data sharing. We identified motivators and barriers for address data sharing in South Africa through case studies of three typical organizations, which prepare, distribute and use add...

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Spatial data quality has been on the scientific agenda for a long time. Not at a priority spot, because it is a complex and not a sexy issue. However, we think that is going to change rapidly. The data explosion along with the open data policies is increasing data availability. There is finally a choice in what data to use, but how to make that choice? We see potential for spatial data quality ...

The increased use of audio applications capable of conveying enhanced spatial quality puts focus on how such a quality should be evaluated. Different approaches to evaluation of perceived quality are briefly discussed and a new technique is introduced. In a series of experiment, attributes were elicited from subjects, tested and subsequently used for derivation of evaluation scales that were fe...

The accumulation of damaged and aggregated proteins is a hallmark of aging and increased proteotoxic stress. To limit the toxicity of damaged and aggregated proteins and to ensure that the damage is not inherited by succeeding cell generations, a system of spatial quality control operates to sequester damaged/aggregated proteins into inclusions at specific protective sites. Such spatial sequest...

spatial environmental autocorrelation is a known phenomenon in the environmental studies explaining spatial relationship of environmental characteristics of different geographical units. different mechanisms have been proposed to clarify how the environments of especially neighboring countries response to changes of each other. this paper attempts to propose a new mechanism, namely spatial inst...