Changes in communication technology have allowed for the expansion of data collection modes in survey research. The proliferation of the computer has allowed the creation of web and computer assisted auto-interview data collection modes. Virtual worlds are a new application of computer...

Technology has always introduced changes in the way researchers administer surveys. A new technology known as virtual worlds has now emerged that promises to change data collection once again. Virtual worlds are persistent, online, computer-rendered spaces populated by hundreds, thousands, or...

Menschen zählen aus dem All? Kann das denn möglich sein? Die Antwort lautet ja, allerdings ist diese Zählung nur in urbanen Räumen und nur auf indirekte Weise möglich. Aufgrund der indirekten Messung wird freilich gleichzeitig der Datenschutz perfekt gewahrt. Die hier dargestellte Methode...

Is it possible to count the earth's population from outer space? The answer is yes, in urban areas it is possible. However, this can only be done in an indirect manner: by identifying physical objects in the urban landscape in earth observation data and using these to estimate the number of...