The University of Twente is one of the leading technical universities in the Netherlands. It is the only Dutch university that has an independent computerscience department. The database research group is comprised of approximately 15 researchers and graduate students. It is participating in a number of externally funded, national and international research projecs, and has done so in the recent past. The research interests of the database group are in the field of object-oriented, logical and extended relational systems. The three main points of interest are: i) development of well-founded (objed-oriented) data models and tools, ii) design of and optimization in database systems, with a strong emphasis on distribution aspects, and iii) database support for new (technical) applications. In the following, We will give a brief description of our main research efforts, and mention some of the associated publications.