The features used may have an important effect on the performance of credit scoring models. The process of choosingthe best set of features for credit scoring models is usually unsystematic and dominated by somewhat arbitrary trial.This paper presents an empirical study of four machine learning...

Der Einsatz von Social Software in Personalmanagementprozessen gilt als ein Zukunftsthema im HRBereich.Durch das Nutzen von Blogs, Wikis und Social Networking Services (SNS) im Internet undinnerhalb eines Unternehmens sollen Informationen über Bewerber und Mitarbeiter schnell und einfachzur...

The production planning with renewable resources faces several special problems compared tocommon planning methods with inputs which are “always available”. Due to their unsteadiness ingrowth, external influences like weather and natural resources and specific transport and...

Groupwareplattformen im schulischen Umfeld sind seit vielen Jahren fest im Schulalltag integriert (Stahl 2004, S. 163). Die Akzeptanz vieler Systeme leidet aber an einer umständlichen Bedienung und einem nicht bedürfnisgerechten Funktions-angebot (Jiang et al. 2005, S. 570). Zudem scheint die...

Large costs arise at a seaport container terminal from the duration of the unloading of vessels and from the time a vessel is waiting to be unloaded. The optimal allocation of vessels to berth space (Berth Allocation Problem) becomes more and more important as its solution is also input to...

Due to decreasing hardware prices and growing standardization, RFID-systems (Radio FrequencyIdentification) are increasingly being used in global supply chains. In the beginning a simple identificationnumber was stored on the RFID tag, but meanwhile, there is a variety of applications storing...

In the wake of Web 2.0 applications, nearly every branch is influenced by this new understanding ofthe Web. The Banking industry is facing a phenomenon called Peer to Peer Banking, where customerstend to know exactly who gets their invested money. They want to know the people behind thecredit...

This paper defines IT architectures and introduces possibilities to integrate them after a merger. Furthermoreit describes the merger process particularly for IT architectures. First, a consistent definition for ITarchitectures is created, demands on IT architectures are presented and the...

This paper introduces the possibilities of Weblogs in the context of e-learning and knowledge management. At the beginning it gives a classification of Weblogs in the context of social software. Then one tries to find a general valid definition for the research object. Based on that, main...

Particle Swarm Optimization (PSO) has proven to be a good metaheuristic for continuous optimizationproblems. In this paper we present a solution for applying the PSO to a combinatorial optimizationproblem of a real data university course timetabling problem. We first describe the...