Abstract QDaedalus is an automated, computer-controlled astro-geodetic measurement system. Astronomical deflections of the vertical measured by system are significantly influenced atmospheric refraction. Therefore, measuring was further improved recording environmental parameters influencing refraction (air pressure, temperature, humidity) with accurate and high time resolution. In addition to ...

Abstract The key to successful product development is better understanding of customer requirements and efficiently identifying the attributes. In recent years, a growing number researchers have studied mining preferences from online reviews. However, since often change dynamically on multi-generation products, most existing studies failed discover correlations between satisfaction continuous i...