The paper outlines a comparison of UML Activity Diagrams (AD)with the EPC 'blueprints' in a worldwide SAP-project of a large German enterprise.Our case study was performed in the firm's sales company in a North-European country. The paper designs artifacts for organizational process...

The knowledge of development and maintenance effort is a necessary precondition for alltypes of software management, IS-controlling, guidance of quality and effort estimation. Data collectingsystems seem to be widely used, but the data is said to be unsafe and firm-specific. This paperpresents a...

This paper critically reviews approaches for the evaluation of investments in information systems prior to their implementation. First, the ground for the review is prepared by examining characteristics of evaluation, information systems and value. A classification of the numerous evaluation...

In the past decades several versions of the binomial model for option pricing, originallyintroduced by COX, ROSS, AND RUBINSTEIN, have been discussed in the financeliterature. Some of these approaches model an arbitrage-free market in the discrete setupwhereas others attain this property only in...