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Given an undirected graph with weights on the vertices, the maximum weight clique problem (MWCP) is to find a subset of mutually adjacent vertices (i.e., a clique) having the largest total weight. This is a generalization of the classical problem of finding the maximum cardinality clique of an unweighted graph, which arises as a special case of the MWCP(More)
This article addresses the area of decision making for information systems (IS). We recognize the great demand for methods and techniques that can be of practical help by presenting a new, conceptual approach, the profile distance method, to support the IS selection problem. This approach combines the merits of two prominent concepts individually applied in(More)
In this paper, we propose to arrive at an assessment and evaluation of open source projects based on an analysis of their growth rates in several aspects. These include code base, developer number, bug reports and downloads. Based on this analysis and assessment, a well-known portfolio planning method, the BCG matrix, is employed for arriving at a very(More)
Immer mehr Unternehmen setzen betriebswirtschaftliche Standardsoftwarepakete wie beispielsweise SAP R/3 oder BaaN ein. Die Auswahl und die Einführung solcher Systeme stellt für die meisten Unternehmen ein strategisch wichtiges IT-Projekt dar, das mit massiven Risiken verbunden ist. Bei der Auswahl des am besten geeigneten Systems gilt es einen(More)