Stefan Klein

Volume 9 (1/2): 1±6. www.electronicmarkets.org (2009)

Charles Steinfield, Stefan Klein

A b s t r a c t The web is being heralded as a global marketplace, and globalization is seen as one of the key drivers for the diffusion of electronic commerce (EC). In stark contrast to the...

Automated Symbolic-Numeric Methods for E cient Kinematics Computation of Loops in Mechanical Systems (2008)

Stefan Klein, Andres Kecskemethy

This paper describes an object-oriented implementation and extension of the algorithm described in [6] for nding and generating closed-form solutions in single-loop mechanisms featuring such...

Chapter 2 Network Management Framework (2008)

Kai Riemer, Stefan Klein

Abstract: The chapter identifies and highlights network specific management issues. It does so by presenting a walk-through of the DOMINO network management framework. The different views and...

Prosuming in der Telekommunikationsbranche: Konzeptionelle Grundlagen und Ergebnisse einer Delphi-Studie (2008)

Köhne, Frank, Klein, Stefan

Münster: Inst. für Wirtschaftsinformatik, 2003 - Arbeitsberichte des Instituts für Wirtschaftsinformatik ; 97

Bestandsaufnahme aktueller deutschsprachiger Lehrbücher zum Informationsmanagement (2008)

Teubner, Rolf Alexander, Klein, Stefan

Münster: Inst. für Wirtschaftsinformatik, 2002 - Arbeitsberichte des Instituts für Wirtschaftsinformatik ; 86

Eine XML-basierte Systemarchitektur zur Realisierung flexibler Web-Applikationen (2008)

Klein, Stefan, Schneider, Bernd, Vossen, Gottfried, Weske, Mathias

Nach einer kurzen Einleitung in die Thematik dieser Arbeit werden am Beispiel eines Lebensmittel-Lieferservices dessen Schwachstellen analysiert und Verbesserungspotenziale aufgezeigt. Nach der...

Helper classes for the BSplineDeformableTransform (2008)

Staring, Marius, Klein, Stefan

noindent This document describes two new classes that facilitate the use of the doxygen{BSplineDeformableTransform} in multiresolution registration algorithms. The first class,...

Abstract The Role of Intermediaries in Electronic Marketplaces: Assessing Alternative Hypotheses for the Future (2008)

George M. Giaglis, Stefan Klein, Robert M. O’keefe

Early research in electronic markets seemed to suggest that E-Commerce transactions would result in decreased costs for buyers and sellers alike, and would therefore ultimately lead to the...

THE TRAVEL AND TOURISM INDUSTRY AND ITS STRUCTURE (2008)

Stefan Klein, Hannes Werthner

Tourism has a significant economic impact, on a global as well as on a local level, which is underlined by statistical evidence from several official international organizations. We do not, however,...

Abstract ICT (2008)

Hannes Werthner, Stefan Klein

and the changing landscape of global tourism distribution

Electronic coordination mechanisms for service task allocation 2 Electronic Coordination Mechanisms for Service Task Allocation Summary (2008)

In Baskerville, Richard Smithson, Steve Ngwenyama, Ojelanki Degross, Janice I, Rainer Alt, ...

In the wake of quality and time management, increasing emphasis has been placed on service quality. Maintenance and customer service are personnel-intensive divisions and precise monitoring of the...

Abstract The Role of Intermediaries in Electronic Marketplaces: Assessing Alternative Hypotheses for the Future (2008)

George M. Giaglis, Stefan Klein, Robert M. O’keefe

Early research in electronic markets seemed to suggest that E-Commerce transactions would result in decreased costs for buyers and sellers alike, and would therefore ultimately lead to the...

The Role of Intermediaries in Electronic Marketplaces: (2008)

Developing Contingency Model, George M. Giaglis, Stefan Klein, Robert M. O’keefe

Early research in electronic markets seemed to suggest that E-Commerce transactions would result in decreased costs for buyers and sellers alike, and would therefore ultimately lead to the...

METHODS WITH DOMAIN SPECIFIC KNOWLEDGE: OUTLINE OF A METHOD FOR ENTERPRISE MODELLING (2007)

Wirtschaftsinformatik Nr, Wirtschaftsinformatik Nr, Ulrich Frank, Ulrich Frank, Ulrich Frank, J. Felix Hampe, ...

dienen der Darstellung vorlufiger Ergebnisse, die i.d.R. noch fr sptere Verffentlichungen berarbeitet werden. Die Autoren sind deshalb fr kritische Hinweise dankbar. Alle Rechte vorbehalten....

Three Integrated Tools for Designing and Prototyping (2007)

Ulrich Frank, Stefan Klein, Schloß Birlinghoven

The paper presents an integrated environment for designing object-oriented enterprise models. The conceptual framework it is based on recommends a multi-perspective approach. For this purpose three...

Den rättvisande bildens betydelse för kommuners redovisning - i skenet av den dolda pensionsskulden (2006)

Hanberth, Magnus, Klein, Stefan

Background: In 1992, the new Local Government Act took effect, which implied several changes for municipal accounting. A municipal accounting law came in 1997, and the concept of generally accepted...

Den rättvisande bildens betydelse för kommuners redovisning - i skenet av den dolda pensionsskulden (2006)

Hanberth, Magnus, Klein, Stefan

Background: In 1992, the new Local Government Act took effect, which implied several changes for municipal accounting. A municipal accounting law came in 1997, and the concept of generally accepted...

Combining Transforms in ITK (2006)

Klein, Stefan, Staring, Marius

The current ITK release 2.6 does not contain a way to combine transforms in a structural way. This document describes a contribution to the Insight Toolkit ITK \url{www.itk.org}, which implements...

A program to cast and convert image files (2005)

Staring, Marius, Klein, Stefan

This program, based completely on ITK, converts between the different file types available in the ITK. Casting between the different pixel component types is available as an option. Currently, only...

Controlled Perturbation for Delaunay Triangulations (2005)

Stefan Funke Christian, Stefan Klein, Christian Mehlhorn, Kurt Schmitt

this paper we extend their work in several directions: 1. we point out that controlled perturbation and guarded tests are a general conversion strategy for idealistic algorithms, see Section 2, 2. we...

K.: Developing a Framework for Multi Channel Strategies. An Analysis of Cases from the Grocery Retail Industry (2004)

Claas Müller-lankenau, Stefan Klein, Kai Wehmeyer

Based on ongoing research in multi channel management, we are proposing a simple taxonomy of multi channel strategies. Cases from the grocery retail industry are not only used to illustrate four core...

One Size Fits All? The Dialectics Of Convergence And Divergence In Electronic Commerce Abstract (2004)

Andreas Voss, Stefan Klein

The wild days of Electronic Commerce appear to be over. The Web has matured to an established, widely accepted medium for business. Literature on Web development and design suggests that best...

The Shaping of Inter-Organisational Information Systems (2004)

Kai Reimers, Kai Reimers, Robert B. Johnston, Robert B. Johnston, Stefan Klein, Stefan Klein

Based on a critical analysis of the literature on the development and adoption of interorganisational information systems (IOIS) we propose a new unit of analysis for IOIS studies, define levels of...

Neue Methoden zur Entdeckung von Fehlspezifikation bei Latent-Trait-Modellen der Veränderungsmessung (2003)

Klein, Stefan

Ziel der Arbeit ist die Entwicklung von Modellen zur Entdeckung von Fehlspezifikation im Linear Logistic Test Model ( = LLTM) und verwandten Modellen der Verände\-rungs\-mes\-sung. Fehlspezifikation...

Neue Methoden zur Entdeckung von Fehlspezifikation bei Latent-Trait-Modellen der Veränderungsmessung (2003)

Klein, Stefan

Ziel der Arbeit ist die Entwicklung von Modellen zur Entdeckung von Fehlspezifikation im Linear Logistic Test Model ( = LLTM) und verwandten Modellen der Verände\-rungs\-mes\-sung. Fehlspezifikation...

Emerging Pricing Strategies on the Web: Lessons from the Airline Industry (2003)

Stefan Klein, Claudia Loebbecke

The advent of the digital economy has provided unprecedented opportunities for suppliers and intermediaries to experiment with new pricing strategies. New information technologies not only enable...

Electronic Travel Markets: Elusive Effects on Consumer Behavior (2003)

Anssi Öörni, Stefan Klein

This article examines the effect of Internet-based electronic markets on consumer search in the travel and tourism industry. Two experiments provide the empirical basis for the article. We address...

La formula della felicità (2003)

Klein, Stefan

La formula della felicità, Stefan Klein, traduzione di Libero Sosio. . - Milano. NALUAF000464, Longanesi. NAEDAF003409, 2003.

La formula della felicità (2002)

Klein, Stefan

La formula della felicità, Stefan Klein, traduzione di Libero Sosio. . - Milano. NALUAF000464, Longanesi. NAEDAF003409, 2002.

Editor's Note (2000)

Beat F. Schmid, Stefan Klein, Dorian Selz

Preface - Local vs. Global Issues in Electronic CommerceCharles Steinfield, Michigan State University and Stefan Klein, University of MünsterThe Web is being heralded as a global marketplace causing...

ICT and the Changing Landscape of Global Tourism Distribution (1999)

Hannes Werthner, Stefan Klein

Over the past decades, the travel and tourism sector has emerged into one of the most important sectors for developing as well as developed countries. Tourism incorporates many of the features of the...

Editor's Note Vol 10,2 (1999)

Stefan Klein, Dorian Selz, Beat F. Schmid

Preface - Local vs. Global Issues in Electronic Commerce Charles Steinfield, Michigan State University and Stefan Klein, University of Münster The Web is being heralded as a global marketplace...

Preface to the Special Section: Local versus Global Electronic Commerce (1999)

Stefan Klein, Charles Steinfield

The Web is being heralded as a global marketplace and globalization is seen as one of the key drivers for the diffusion of electronic Commerce (EC). In stark contrast to the enthusiasm for a global...

EM Editorial - Vol. 9, No. 2 (1999)

Stefan Klein, Brigette Buchet, Charles Steinfield, Dorian Selz, Beat F. Schmid

The Americas, by which we mean the lands stretching from the Canadian north to the Strats of Magellan, is a hotbed of electronic commerce.This section brings to you a series of articles examining...

Disintermediation, Reintermediation, or Cybermediation? The Future of Intermediaries in Electronic Marketplaces (1999)

George M. Giaglis, Stefan Klein, Robert M. O'Keefe, Robert M. O’keefe

Early researchers seemed to agree on the prediction that decreased transaction costs in electronic marketplaces would lead to the reduction, or even extinction, of traditional intermediaries from...

Signaling and Segmentation on Electronic Markets: Innovative Pricing Strategies for Improved Resource Allocation (1999)

Stefan Klein, Steinfurter Str, Claudia Loebbecke

Electronic Markets, customer profiling, pricing models Signaling and Segmentation on Electronic Markets: Innovative Pricing Strategies for Improved Resource Allocation The advent of the digital...

Planning and Designing Web- Based Electronic Commerce: a case study in the insurance industry (1998)

Rolf Teubner, Stefan Klein

Electronic Commerce (EC) comprises new ways of doing business with customers, suppliers and other business partners. EC is enabled by information and communication technology, in particular the World...

Planning and Designing Web- Based Electronic Commerce: a case study in the insurance industry (1998)

Rolf Teubner, Stefan Klein

Electronic Commerce (EC) comprises new ways of doing business with customers, suppliers and other business partners. EC is enabled by information and communication technology, in particular the World...

Planning and Designing Web- Based Electronic Commerce: a case study in the insurance industry (1998)

Rolf Teubner, Stefan Klein

Electronic Commerce (EC) comprises new ways of doing business with customers, suppliers and other business partners. EC is enabled by information and communication technology, in particular the World...

EM Editorial - Vol. 7, No. 4 (1997)

Stefan Klein, Yves Gadient, Regine Sing, Dorian Selz

Auction markets provide centralized procedures for the exposure of purchase and sale orders to all market participants simultaneously." (Lee 1996, 398) Auctions are formalized trading procedures in...

Introduction to Electronic Auctions (1997)

Stefan Klein

Auction markets provide centralized procedures for the exposure of purchase and sale orders to all market participants simultaneously." (Lee 1996, 398) Auctions are formalized trading procedures in...

Editor's Note: Electronic Auctions (1997)

Stefan Klein

Dear Readers, for over ten years, the proliferation of electronic markets has been predicted. However, for the most part of this period, the theoretical arguments were convincing but the empirical...

Towards a Standardization of Object-Oriented Modelling Languages? (Working Paper No (1997)

Ulrich Frank, Ulrich Frank, Wirtschaftsinformatik Nr, Wirtschaftsinformatik Nr, J. Felix Hampe, Prof Dr, ...

dienen der Darstellung vorlufiger Ergebnisse, die i.d.R. noch fr sptere Verffentlichungen berarbeitet werden. Die Autoren sind deshalb fr kritische Hinweise dankbar. The "Arbeitsberichte des...

Pharmatica: Supporting the Complex Pharmaceutical Information Needs in the Changing Healthcare Sector (1996)

Ronald M. Lee, Stefan Klein, Lei Lei, Saida Qureshi

How to effectively distribute and use pharmaceutical information has long been the main concern of the healthcare sector. In medical practice it is often said that knowledge is powerful medicine, for...

Analyse versteckter Markov-Prozesse : Theorie und Anwendungen in der Biophysik / (1996)

Klein, Stefan.

Freiburg (Breisgau), Universiẗat, Diss., 1996 (Nicht für den Austausch).

Emerging Electronic Markets: Economic, Social, Technical, Policy and Management Issues (1995)

Stefan Klein, Howard Williams

Table of Contents: Stefan Klein and Howard Williams: Introduction Emerging Electronic Markets - Beat Schmid: The development of Electronic Markets - a Swiss perspective - Karsten Kärcher and Howard...

Coordination Strategy and the Configuration of Interorganisational Relations (1995)

Stefan Klein

IOS affect dimensions such as the boundaries of firms, interorganisational division of labour as well as decisions about governance structures and industrial organisation. While there is a strong...

CC EM3 - The Strategic Potential of Electronic Commerce (1995)

Stefan Klein

This April the CC EM has finished its second project phase. It is followed by its third phase which will be focussing on the strategic potentials of electronic commerce on new infrastructures. The...

INTHES - EDI Integration in the Health Sector (1995)

Stefan Klein

INTHES is an intersectoral project, funded within the framework of the TEDIS (Trade Electronic Data Interchange Systems) program of the Commission of the European Communities. With the INTHES...

Information Logistics (1993)

Stefan Klein

Business administration and information systems research invent new terms and concepts not only to denote new phenomena but also to convey a new perspective on problems that are known in principle....

Ginzburg-Landau theory of aqueous surfactant solutions (1992)

Gompper, G., Klein, Stefan

A simple two order-parameter Ginzburg-Landau theory for binary mixtures of water and amphiphile is introduced. The amphiphile concentration is described by a scalar, the orientational degrees of...

Ginzburg-Landau theory of aqueous surfactant solutions (1992)

Gompper, G., Klein, Stefan

A simple two order-parameter Ginzburg-Landau theory for binary mixtures of water and amphiphile is introduced. The amphiphile concentration is described by a scalar, the orientational degrees of...

Ginzburg-Landau theory of aqueous surfactant solutions (1992)

Gompper, G., Klein, Stefan

A simple two order-parameter Ginzburg-Landau theory for binary mixtures of water and amphiphile is introduced. The amphiphile concentration is described by a scalar, the orientational degrees of...

Light-Induced Dielectrophoretic Manipulation of DNA

Hoeb, Marco, Rädler, Joachim O., Klein, Stefan, Stutzmann, Martin, Brandt, Martin S.

Light-induced dielectrophoretic movement of polystyrene beads and λ-DNA is studied using thin films of amorphous hydrogenated silicon as local photoaddressable electrodes with a diameter of 4 μm....

Estimating the Expected Cost of Equity Capital Usind Analysts’ Consensus Forecasts

Holger Daske, Günther Gebhardt, Stefan Klein

In this study, we develop a technique for estimating a firm’s expected cost of equity capital derived from its stock price and analysts’ consensus earnings forecasts. Our estimation method, which...

Monitoring of donor chimerism in sorted CD34+ peripheral blood cells allows the sensitive detection of imminent relapse after allogeneic stem cell transplantation

Bornhäuser, Martin, Oelschlaegel, Uta, Platzbecker, Uwe, Bug, Gesine, Lutterbeck, Karin, Kiehl, Michael G., ...

Detection of impending relapse following allogeneic stem cell transplantation in cases of acute leukemia or myelodysplastic syndrome is desirable for planning treatment intervention. Genetic changes...