Die Bewertung der Indexierungsqualität bzw. –güte ist ein grundlegendes Problem von manuellen und automatischen Indexierungsverfahren, nicht erst seit der zunehmenden Digitalisierung und des damit einhergehenden Informationsstrukturierungsproblems. Diese Arbeit befasst sich mit der...

The selection of information on the internet is causing massive concerns and discussion. Critics fear the polarization of internet users and warn of echo chambers and filter bubbles. Especially search engines and social networking sites are being held responsible: as information intermediaries...

While risk selection within the German public health insurance system has received considerable attention, risk selection between public and private health insurers has largely been ignored. This is surprising since - given the institutional structure - risk selection between systems is likely...

This paper explores the relationship between risk attitude and asset diversification in household portfolios. We first examine the impact of manifested risk aversion on the total number of distinct assets held in a portfolio (naive diversification). The second part of the paper focuses on a more...

With banking sectors worldwide still suffering from the effects of the financial crisis, public discussion of plans to place toxic assets in one or more bad banks has gained steam in recent weeks. The following paper presents a plan how governments can efficiently relieve ailing banks from toxic...

This document provides an overview of the long-term care system, the number and develop-ment of beneficiaries and the long-term care policy in Germany. The report is part of the first stage of the European project ANCIEN (Assessing Needs of Care in European Nations), commissioned by the European...

Bei dem vorliegenden Pflegeheim Rating Report 2009 handelt es sich um den zweiten seit 2007. Hauptziel ist die Verbesserung der Transparenz im deutschen Pflegemarkt - mit Fokus auf der stationären Pflege. Daraus abgeleitet ergibt sich der Anspruch, den Entscheidungsträgern auf den...

Several approaches for subset recovery and improved forecasting accuracy have been proposed and studied. One way is to apply a regularization strategy and solve the model selection task as a continuous optimization problem. One of the most popular approaches in this research field is given by...