Öz. Kullanılabilirlik kavramı günümüzde çok fazla bilginin çok küçük cihazlara sığdırma zorunluluğu, rekabetin artması, kullanıcı için alternatiflerin çoğalması gibi nedenlerle oldukça popüler olup, kullanıcı deneyiminin kontrol altına alınması olarak tanımlanmaktadır. ISO 9241 standardında ise kullanıcının amacına etkin, etkili ve tatmin edici şekilde ulaşılmasının sağlanması olarak açıklanmak...

GeoTest is a project initiated by Future Position X (a GIS cluster organization in Gävle, Sweden), the National Land Survey of Sweden (NLS) and the University of Gävle. The project aims to test Swedish geodata, services and geoportals and make sure they comply with the INSPIRE the other specifications. GeoTest has developed a method for testing the usability of geoportals. The method is based o...

One of the main problems of standards (e.g., DIN 66234, ISO 9241) in the context of usability of software quality is, that they can not be measured in product features. We present a new approach to measure user interface quality in a quantitative way. First, we developed a concept to describe user interfaces on a granularity level, that is detailed enough to preserve important interface charact...

We present two studies to comparatively evaluate the performance of gesture-based 2D and 3D pointing tasks. In both of them, a Wiimote controller and a standard mouse were used by six participants. For the 3D experiments we introduce a novel configuration analogous to the ISO 9241-9 standard methodology. We examine the pointing devices’ conformance to Fitts’ law and we measure eight extra param...

One of the main problems of standards (e.g., DIN 66234, ISO 9241) in the context of usability of software quality is, that they can not be measured in product features. We present a new approach to measure user-interface quality in a quantitative way. First, we developed a concept to describe user-interfaces on a granularity level, that is detailed enough to preserve important interface charact...

Maintenance plays an important role in the life cycle of a software product. It is estimated that there are more than 100 billion lines of code in production in the world. As much as 80% of it is unstructured, patched and not well documented. Maintenance can alleviate these problems. The purpose of this paper is to explore the use of the Capability Maturity Model (CMM) to improve the quality of...