Research
- Visualizing Data Quality
- Data Quality Metrics - Indicating the Quality of a Data Set through providing overview information of specific data characteristics
- Time-oriented Data Cleansing - Exploiting the specifics of time-oriented data sets to inform users about specialized quality information and cleansing operations
- Provenance from Data Quality Assessment
- Data Cleansing and Profiling Operations
- Development of a Data Set
- Development of robust visualization techniques fitted for providing overview information of tabular data sets
- Visualization of Uncertainty
- Quantification of implicit uncertainty information
- Development of visualization techniques for types of uncertainty
Technical Interests
- Development
- Web-Development - JS, AngularJS, D3, ...
- Java, Mobile Development
- Visualization in Web-Environments
- Data
- Uni- and multivariate time series and time-oriented data
- Open data initiatives
- Personal Data - private data gathered from fitness tracking, manual logging (personal health)
- Applications
- Data Transformation Applications
- Cloud/Web Applications
- Collaboration-oriented environments
- Uncertainty aware visualizations
- Visual interfaces for segmenting and labeling time series
Student Projects
If you are interested in the topics shortly outlined above, please contact me and we will arange a personal meeting to talk about ideas how you can contribute and complete your Master's or Bachelor's thesis.
- A Visual Approach for Exploring Quality Problems of Multivariate and Time-Oriented Data
Duration: Feb 2014 - Oct 2016
Code: https://github.com/zietho/ieg-dqvis - Integrating dedicated time-oriented data transformations into OpenRefine
Duration: Feb 2015 - Jan 2017
Code: github
