Gesture-Based OLAP Navigation on Touchscreen Devices
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Abstract
This report describes the design and development of a dashboard that visualizes OnLine Analytical Processing information. Users are able to navigate through the information using touch-based gestures. The source of the information is a Customer Relationship Management tool. This information is made accessible using a Data Warehouse and a Data Mart. Before the design and implementation of the dashboard was started a few other steps were required. The first step in this process was to map out the situation at the start as well as the information needs of the end user. The design of the dashboard, comprised of a visualization and set of gesture interactions, is based on the information needs of the end user. The design was implemented using standardized web technologies. This approach has resulted in a web application usable on mobile as well as desktop devices with touchscreens. Finally an end user validation of the system was performed to determine whether the application fulfills the needs determined at the beginning. Testing with the dashboard revealed that there were a few points on which the dashboard can be improved. Users want to explore the information with more detail. Another point is that the users required more axes to fulfill their information need. Users found the system easy to work with and the dashboard invited them to explore the information.