background to get more precise responses when gathering information about sensitive topics such as drug use, it is important to use the most optimal method. objectives this study was carried out to address the impact of three interview methods (street-based, household, and telephone interviews) on response pattern to sensitive and non-sensitive questions in terms of participation, disclosure an...

Process modeling grammars are used by analysts to describe information systems domains in terms of the business operations an organization is conducting. While prior research has examined the factors that lead to continued usage behavior, little knowledge has been established as to what extent characteristics of the users of process modeling grammars inform usage behavior. In this study, a theo...

There is a large amount of interest in understanding users of social media in order to predict their behavior in this space. Despite this interest, user predictability in social media is not well-understood. To examine this question, we consider a network of fifteen thousand users on Twitter over a seven week period. We apply two contrasting modeling paradigms: computational mechanics and echo ...

Web mapping systems and Geographic Information Systems (GIS) in general are widely used nowadays. However, there is a lack of models that describe how users interact with this kind of application and the workload imposed on servers. These models are important for performance evaluation and to direct the focus of the development to the points that will affect the most used operations and the mos...

Task You recently heard about the Bermuda Triangle mystery, and you are curious and want to know more about it. So you want to search any relevant information (articles, images and videos) about it and what effect it has on the travellers in the region. Table 1: Search Tasks This is a preprint of an article accepted for publication in Journal of the American Society for Information Science and ...