Familiarity with selected topics from the current database research.

Selected topics from the current database research; Focus: several aspects of incomplete information in information integration: *) Foundations of Incomplete Information *) Schema Mappings *) Data Exchange *) Data Integration *) Query Answering Using Views *) Uncertain and Probabilistic Data *) Inconsistent Data Didactical Concept: *) The contents is presented by the course instructor. *) Interaction: The students are asked questions to stimulate the ability to think for themselves. On the other hand, students are encouraged to contribute to the lecture by questions/comments. *) Work on a research article: Each student is assigned an article from database research. The goal is to provide a written report and an oral presentation describing the central ideas of the article. Assessment: is based on the work on the research article (written report and oral presentation) and an oral exam.

The course will be probably held in English.

*) Students are assumed to have a basic knowledge in mathematical logic and to be familiar with basic concepts of complexity theory (to the extent taught in the course "Formale Methoden der Informatik"). *) Moreover, students should have basic mathematical skills (like carrying out mathematical proofs) as taught in the mathematics courses in the bachelor studies.