A s the role of information technology continues to grow, firms are frequently turning to information systems outsourcing to achieve operational and strategic goals. When outsourcing succeeds, firms can enjoy significant operations savings, access to new technologies, and flexibility in strategic decisions. This success, however, is by no means guaranteed—the Gartner Group estimates that half t...

Digital libraries (DLs) are a resource for answering complex questions. Up to now, such systems mainly support keyword-based searching and browsing. The mapping from a research question to keywords and the assessment whether an article is relevant for a research question is completely with the user. In this paper, we present a two-layered DL model. The aim is to enhance current DLs to support d...

Digital libraries (DLs) are a resource for answering complex questions. Up to now, such systems mainly support keyword-based searching and browsing. The mapping from a research question to keywords and the assessment whether an article is relevant for a research question is completely with the user. In this paper, we present a two-layered digital library model. The aim is to enhance current DLs...

This paper describes a simple classroom experiment in which students decide which projects to fund on the basis of majority voting. Several agendas are used to generate a voting cycle and an inefficiently high level of public spending. Classroom discussion allows students to discover for themselves how to manipulate outcomes through agenda design and strategic voting. The exercise leads natural...

A strategy-tree provides a systematic approach to the evaluation of the effectiveness of deployed policy sets and a mechanism to dynamically alter policy sets (i.e., alter strategy) at run-time in response to feedback. This paper provides an overview of the strategy-tree concept and its application to a policy-based management system for a data center. Results are presented that show that the s...