Marcel Ruoff

Karlsruhe Institute of Technology | KIT · Institute of Information Systems and Marketing

Forecasting support systems (FSSs) support demand planners in important forecasting decisions by offering statistical forecasts. However, planners often rely on their judgment more than on system-based advice which can be detrimental to forecast accuracy. This is caused by a lack of understanding and subsequent lack of trust in the FSS and its advi...

While natural language interfaces (NLIs) integrated in data visualization tools are an opportunity to facilitate an analytical flow through conversation, they still exhibit unexpected system behavior due to ambiguities in the conversation between users and the data visualization tool. In our initial natural language (NL) elicitation study, we found...

Dashboards are increasingly used by governments and health organizations to provide important information to the general public during a crisis. However, in contrast to organizational settings, the majority of the general population has not or rarely used dashboards before and therefore often struggles to interact effectively with these dashboards....

Teams are crucial for organizations in making data-driven decisions. However, current business intelligence & analytics (BI&A) systems are primarily designed to support individuals and, therefore, cannot be used effectively in co-located team interactions. To address this challenge, we conduct a design science research (DSR) project to design a mul...