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Publikationen


Liste im Research Information System öffnen

2022

Using Geolocated Text to Quantify Location in Real Estate Appraisal

T. Heuwinkel, J. Kucklick, O. Müller, in: 55th Annual Hawaii International Conference on System Sciences (HICSS-55), 2022

Accurate real estate appraisal is essential in decision making processes of financial institutions, governments, and trending real estate platforms like Zillow. One of the most important factors of a property’s value is its location. However, creating accurate quantifications of location remains a challenge. While traditional approaches rely on Geographical Information Systems (GIS), recently unstructured data in form of images was incorporated in the appraisal process, but text data remains an untapped reservoir. Our study shows that using text data in form of geolocated Wikipedia articles can increase predictive performance over traditional GIS-based methods by 8.2% in spatial out-of-sample validation. A framework to automatically extract geographically weighted vector representations for text is established and used alongside traditional structural housing features to make predictions and to uncover local patterns on sale price for real estate transactions between 2015 and 2020 in Allegheny County, Pennsylvania.


Towards Automated Moderation: Enabling Toxic Language Detection with Transfer Learning and Attention-Based Models

M. Caron, F.S. Bäumer, O. Müller, in: 55th Annual Hawaii International Conference on System Sciences (HICSS 2022), 2022

Our world is more connected than ever before. Sadly, however, this highly connected world has made it easier to bully, insult, and propagate hate speech on the cyberspace. Even though researchers and companies alike have started investigating this real-world problem, the question remains as to why users are increasingly being exposed to hate and discrimination online. In fact, the noticeable and persistent increase in harmful language on social media platforms indicates that the situation is, actually, only getting worse. Hence, in this work, we show that contemporary ML methods can help tackle this challenge in an accurate and cost-effective manner. Our experiments demonstrate that a universal approach combining transfer learning methods and state-of-the-art Transformer architectures can trigger the efficient development of toxic language detection models. Consequently, with this universal approach, we provide platform providers with a simplistic approach capable of enabling the automated moderation of user-generated content, and as a result, hope to contribute to making the web a safer place.


Visual Interpretability of Image-based Real Estate Appraisal

J. Kucklick, in: 55th Annual Hawaii International Conference on System Sciences (HICSS-55), 2022

Explainability for machine learning gets more and more important in high-stakes decisions like real estate appraisal. While traditional hedonic house pricing models are fed with hard information based on housing attributes, recently also soft information has been incorporated to increase the predictive performance. This soft information can be extracted from image data by complex models like Convolutional Neural Networks (CNNs). However, these are intransparent which excludes their use for high-stakes financial decisions. To overcome this limitation, we examine if a two-stage modeling approach can provide explainability. We combine visual interpretability by Regression Activation Maps (RAM) for the CNN and a linear regression for the overall prediction. Our experiments are based on 62.000 family homes in Philadelphia and the results indicate that the CNN learns aspects related to vegetation and quality aspects of the house from exterior images, improving the predictive accuracy of real estate appraisal by up to 5.4%.


2021


PIVOT: A Parsimonious End-to-End Learning Framework for Valuing Player Actions in Handball using Tracking Data

O. Müller, M. Caron, M. Döring, T. Heuwinkel, J. Baumeister, in: 8th Workshop on Machine Learning and Data Mining for Sports Analytics (ECML PKDD 2021), 2021

Over the last years, several approaches for the data-driven estimation of expected possession value (EPV) in basketball and association football (soccer) have been proposed. In this paper, we develop and evaluate PIVOT: the first such framework for team handball. Accounting for the fast-paced, dynamic nature and relative data scarcity of hand- ball, we propose a parsimonious end-to-end deep learning architecture that relies solely on tracking data. This efficient approach is capable of predicting the probability that a team will score within the near future given the fine-grained spatio-temporal distribution of all players and the ball over the last seconds of the game. Our experiments indicate that PIVOT is able to produce accurate and calibrated probability estimates, even when trained on a relatively small dataset. We also showcase two interactive applications of PIVOT for valuing actual and counterfactual player decisions and actions in real-time.


A Comparison of Multi-View Learning Strategies for Satellite Image-based Real Estate Appraisal

J. Kucklick, O. Müller, in: The AAAI-21 Workshop on Knowledge Discovery from Unstructured Data in Financial Services, 2021



To the Moon! Analyzing the Community of “Degenerates” Engaged in the Surge of the GME Stock

M. Caron, M. Gulenko, O. Müller, in: 42nd International Conference on Information Systems (ICIS 2021), 2021

In early 2021, the finance world was taken by storm by the dramatic price surge of the GameStop Corp. stock. This rise is being, at least in part, attributed to a group of Redditors belonging to the now-famous r/wallstreetbets (WSB) subreddit group. In this work, we set out to address if user activity on the WSB subreddit is associated with the trading volume of the GME stock. Leveraging a unique dataset containing more than 4.9 million WSB posts and comments, we assert that user activity is associated with the trading volume of the GameStop stock. We further show that posts have a significantly higher predictive power than comments and are especially helpful for predicting unusually high trading volume. Lastly, as recent events have shown, we believe that these findings have implications for retail and institutional investors, trading platforms, and policymakers, as these can have disruptive potential.


2020

Hardening Soft Information: A Transformer-Based Approach to Forecasting Stock Return Volatility

M. Caron, O. Müller, in: 2020 IEEE International Conference on Big Data (IEEE BigData 2020), 2020, pp. 4383-4391

Historically, the field of financial forecasting almost exclusively relied on so-called hard information – i.e., numerical data with well-defined and unambiguous meaning. Over the last few decades, however, researchers and practitioners alike have, following the advances in natural language understanding, started recognizing the benefits of integrating soft information into financial modelling. In line with the above, this paper examines whether contemporary attention-based sequence-to-sequence models, known as Transformers, can help improve stock return volatility prediction when applied to corporate annual reports. Using a publicly available benchmark dataset, we show, in an empirical analysis, that out-of-the-box Transformer models have the ability to outmatch current state-of-the-art results and, more importantly, that our proposed feature-based Transformer approach can outperform a robust numerical baseline. To the best of our knowledge, this is the first empirical study focusing on stock return volatility prediction (1) to ever experiment with state-of-the-art Transformer architectures and (2) to demonstrate that a model based solely on soft information can surpass its numerical counterpart. Furthermore, we show that by including an additional numerical feature into our best text-only model, we can push the performance of our model even further, suggesting that soft and hard information contain different predictive signals.


Design Principles for Explainable Sales Win-Propensity Prediction Systems

T. Thiess, O. Müller, L. Tonelli, in: International Conference on Wirtschaftsinformatik, 2020

DOI


BUSINESS INTELLIGENCE & ANALYTICS COST ACCOUNTING: AN ACTION DESIGN RESEARCH APPROACH

R. Grytz, A. Krohn-Grimberghe, O. Müller, in: European Conference on Information Systems, 2020


Location, location, location: Satellite image-based real-estate appraisal

J. Kucklick, O. Müller, in: Symposium on Statistical Challenges in Electronic Commerce Research (SCECR), 2020


2019

Conceptualizing smart service systems

D. Beverungen, O. Müller, M. Matzner, J. Mendling, J. vom Brocke, Electronic Markets (2019), pp. 1--12

DOI


Topic Modeling as a Strategy of Inquiry in Organizational Research: A Tutorial With an Application Example on Organizational Culture

T. Schmiedel, O. Müller, J. vom Brocke, Organizational Research Methods (2019), pp. 941--968

DOI


The Effect of Marker-less Augmented Reality on Task and Learning Performance

P. Sommerauer, O. Müller, L. Maxim, N. Østman, in: International Conference on Wirtschaftsinformatik, 2019



2018

ECM implementations in practice: objectives, processes, and technologies

R. Jaakonmäki, A. Simons, O. Müller, J. vom Brocke, Journal of Enterprise Information Management (2018)(5), pp. 704--723

DOI


The Effect of Big Data and Analytics on Firm Performance: An Econometric Analysis Considering Industry Characteristics

O. Müller, M. Fay, J. vom Brocke, Journal of Management Information Systems (2018)(2), pp. 488--509

DOI


Hospital-wide Process-oriented Organization of Care: The Case of Turku University Central Hospital

R. Suomi, O. Müller, J. vom Brocke, Journal of Information Technology Theory and Application (2018), 19(4), pp. 3


Emotional contagion through online newspapers

K. Bösch, O. Müller, J. Schneider, in: European Conference on Information Systems, 2018


Augmented reality for teaching and learning--a literature review on theoretical and empirical foundations

P. Sommerauer, O. Müller, in: European Conference on Information Systems, 2018



Augmented Reality in Informal Learning Environments: Investigating Short-term and Long-term Effects

P. Sommerauer, O. Müller, in: Hawaii International Conference on System Sciences, 2018

DOI


2017

An open-data approach for quantifying the potential of taxi ridesharing

B. Barann, D. Beverungen, O. Müller, Decision Support Systems (2017), pp. 86--95

Taxi ridesharing1 (TRS) is an advanced form of urban transportation that matches separate ride requests with similar spatio-temporal characteristics to a jointly used taxi. As collaborative consumption, TRS saves customers money, enables taxi companies to economize use of their resources, and lowers greenhouse gas emissions. We develop a one-to-one TRS approach that matches rides with similar start and end points. We evaluate our approach by analyzing an open dataset of > 5 million taxi trajectories in New York City. Our empirical analysis reveals that the proposed approach matches up to 48.34% of all taxi rides, saving 2,892,036 km of travel distance, 231,362.89 l of gas, and 532,134.64 kg of CO2 emissions per week. Compared to many-to-many TRS approaches, our approach is competitive, simpler to implement and operate, and poses less rigid assumptions on data availability and customer acceptance.


Beyond crowd judgments: Data-driven estimation of market value in association football

O. Müller, A. Simons, M. Weinmann, European Journal of Operational Research (2017)(2), pp. 611--624

DOI


Conceptualizing smart service systems

D. Beverungen, O. Müller, M. Matzner, J. Mendling, J. vom Brocke, Electronic Markets (2017), pp. 7-18

DOI


The Impact of Content, Context, and Creator on User Engagement in Social Media Marketing

R. Jaakonmäki, O. Müller, J. vom Brocke, in: Hawaii International Conference on System Sciences, 2017

DOI


2016

Utilizing big data analytics for information systems research: Challenges, promises and guidelines

O. Müller, I. Junglas, J. vom Brocke, S. Debortoli, European Journal of Information Systems (2016)(4), pp. 289--302

DOI


Text Mining for Information Systems Researchers: An Annotated Tutorial

S. Debortoli, O. Müller, I. Junglas, J. vom Brocke, Communications of the Association for Information Systems (2016), pp. 555--582

DOI


Towards a typology of business process management professionals: identifying patterns of competences through latent semantic analysis

O. Müller, T. Schmiedel, E. Gorbacheva, J. vom Brocke, Enterprise Information Systems (2016)(1), pp. 50--80

DOI


Using text analytics to derive customer service management benefits from unstructured data

O. Müller, S. Debortoli, I. Junglas, J. vom Brocke, MIS Quarterly Executive (2016)(4), pp. 243--258


The Role of Gender in Business Process Management Competence Supply

E. Gorbacheva, A. Stein, T. Schmiedel, O. Müller, Business and Information Systems Engineering (2016)(3), pp. 213--231

DOI


Identifying and quantifying cultural factors that matter to the IT workforce: An approach based on automated content analysis

T. Schmiedel, O. Müller, S. Debortoli, J. vom Brocke, in: European Conference on Information Systems, 2016


Disentangling the Relationship Between the Adoption of In-Memory Computing and Firm Performance

M. Fay, O. Müller, J. vom Brocke, in: European Conference on Information Systems, 2016


2015

Potenzialbeurteilung neuer Technologien im Prozesscontrolling

J. vom Brocke, O. Müller, S. Debortoli, N. Reuter, Controlling (2015), 26(2), pp. 83-89

DOI


A gender perspective on business process management competences offered on professional online social networks

E. Gorbacheva, A. Stein, T. Schmiedel, O. Müller, in: European Conference on Information Systems, 2015

DOI


Real-time Business Process Intelligence. Comparison of different architectural approaches using the example of the order-to-cash process.

A. Korotina, O. Müller, S. Debortoli, in: International Conference on Wirtschaftsinformatik, 2015, pp. 1710-1724


2014

How In-Memory Technology Can Create Business Value: Lessons Learned from Hilti

J. vom Brocke, S. Debortoli, N. Reuter, O. Müller, Communications of the Association for Information Systems (2014), pp. 151--167

DOI


How In-memory Technology Can Create Business Value: Insights from the Hilti Case

J. vom Brocke, S. Debortoli, O. Müller, N. Reuter, Communications of the Association for Information Systems (2014), 34(1), pp. 7

DOI


New frontiers in business process management

T. Kohlborn, O. Müller, J. Pöppelbuss, M. Röglinger, Business Process Management Journal (2014)(4), pp. 3--6

DOI


Interview with Michael Rosemann on ambidextrous business process management

T. Kohlborn, O. Müller, J. Poeppelbuss, M. Roeglinger, Business Process Management Journal (2014), pp. 634-638

DOI


Comparing business intelligence and big data skills: A text mining study using job advertisements

S. Debortoli, O. Müller, J. vom Brocke, Business and Information Systems Engineering (2014)(5), pp. 289--300

DOI


Identifying and characterizing topics in enterprise content management: a latent semantic analysis of vendor case studies

A. Herbst, A. Simons, J. vom Brocke, O. Müller, S. Debortoli, S. Vakulenko, in: European Conference on Information Systems, 2014


Enriching iTunes App Store categories via topic modeling

S. Vakulenko, O. Müller, J.v. Brocke, in: International Conference on Information Systems, 2014


Identifying the role of information systems in achieving energy-related environmental sustainability using text mining

N. Reuter, S. Vakulenko, J. vom Brocke, S. Debortoli, O. Müller, in: European Conference on Information Systems, 2014


Handbuch für offene gesellschaftliche Innovation

C. Raffl, J. Lucke, O. Müller, H. Zimmermann, J. Vom Brocke, in: TOGI-Schriftenreihe, ePubli GmbH, 2014


2013

Designing Interaction Routines in Service Networks: A Modularity and Social Construction-Based Approach

J. Becker, D. Beverungen, R. Knackstedt, M. Matzner, O. Müller, J. Pöppelbuß, Scandinavian Journal of Information Systems (2013)(1), pp. 37--68


Bridging the gap between manufacturing and service through IT-based boundary objects

J. Becker, D. Beverungen, R. Knackstedt, M. Matzner, O. Müller, J. Pöppelbuss, IEEE Transactions on Engineering Management (2013)(3), pp. 468--482

DOI


Designing interaction routines in service networks: A modularity and social construction-based approach

J. Becker, D. Beverungen, R. Knackstedt, M. Matzner, O. Müller, J. Pöppelbuss, Scandinavian Journal of Information Systems (2013)(1), pp. 17--47


Bridging the Gap Between Manufacturing and Service Through IT-Based Boundary Objects

J. Becker, D. Beverungen, R. Knackstedt, M. Matzner, O. Müller, J. Pöppelbuß, IEEE Transactions on Engineering Management (2013)(3), pp. 468--482

DOI


Reflection, abstraction and theorizing in design and development research

S. Gregor, O. Müller, S. Seidel, in: European Conference on Information Systems, 2013


MUSE: Implementation of a Design Theory for Systems that Support Convergent and Divergent Thinking

O. Müller, S. Debortoli, S. Seidel, in: International Conference on Design Science Research in Information Systems, Springer-Verlag, 2013, pp. 438 - 445

DOI


2012

Open Societal Innovation: The Alemannic Definition

J. von Lucke, J. Herzberg, U. Kluge, J. vom Brocke, O. Müller, H. Zimmermann, SSRN Electronic Journal (2012)

DOI


Beyond process monitoring: A proof-of-concept of event-driven business activity management

C. Janiesch, M. Matzner, O. Müller, Business Process Management Journal (2012)(4), pp. 625--643

Purpose – The purpose of this paper is to show how to employ complex event processing (CEP) for the observation and management of business processes. It proposes a conceptual architecture of BPM event producer, processor, and consumer and describes technical implications for the application with standard software in a perfect order scenario. Design/methodology/approach – The authors discuss business process analytics as the technological background. The capabilities of CEP in a BPM context are outlined an architecture design is proposed. A sophisticated proof-of-concept demonstrates its applicability. Findings – The results overcome the separation and data latency issues of process controlling, monitoring, and simulation. Distinct analyses of past, present, and future blur into a holistic real-time approach. The authors highlight the necessity for configurable event producer in BPM engines, process event support in CEP engines, a common process event format, connectors to visualizers, notifiers and return channels to the BPM engine. Research limitations/implications – Further research will thoroughly evaluate the approach in a variety of business settings. New concepts and standards for the architecture's building blocks will be needed to improve maintainability and operability. Practical implications – Managers learn how CEP can yield insights into business processes' operations. The paper illustrates a path to overcome inflexibility, latency, and missing feedback mechanisms of current process modeling and control solutions. Software vendors might be interested in the conceptualization and the described needs for further development. Originality/value – So far, there is no commercial CEP-based BPM solution which facilitates a round trip from insight to action as outlines. As major software vendors have begun developing solutions (BPM/BPA solutions), this paper will stimulate a debate between research and practice on suitable design and technology.


A review of event formats as enablers of event-driven BPM

J. Becker, M. Matzner, O. Müller, M. Walter, in: Lecture Notes in Business Information Processing, 2012

Event-driven Business Process Management (EdBPM) is based upon exchanging and processing business events. As yet, no commonly adopted event format for communicating business events between distributed event producers and consumers has emerged. This paper is an effort to review the status quo of event formats against the requirements of EdBPM. We particularly discuss BPAF, CBE, and XES as promising candidates and identify prospects for development.


Extending BPMN for business activity monitoring

J.P. Friedenstab, C. Janiesch, M. Matzner, O. Müller, in: Hawaii International Conference on System Sciences, 2012

Real-time access to key performance indicators is necessary to ensure timeliness and effectiveness of operational business processes. The concept of Business Activity Monitoring (BAM) refers to the observation, analysis, and presentation of real-time information about business activities across systems' and companies' borders. Designing and maintaining BAM applications is challenging, as the involved concepts (e.g., business processes, audit logs, performance measures) --though being strongly interrelated-- are developed by different communities of practice. Also, they reside on different levels of abstraction, and are handled by different IT systems. Hence, we developed a conceptual modeling language which extends the widely accepted Business Process Modeling Notation (BPMN) by BAM-relevant concepts. The main results presented in this paper are: (1) a meta-model which formally describes the conceptual aspects of the developed BPMN extension (abstract syntax); (2) graphical symbols as an exemplary representation of this abstract syntax (concrete syntax); (3) a demo scenario that illustrates the application of the language in a fictitious scenario.


Business activity management for service networks in cloud environments

C. Janiesch, R. Fischer, M. Matzner, O. Müller, in: Workshop on Middleware for Service Oriented Computing, 2012, pp. 1 - 6

DOI


Product-Service System Approaches

D. Beverungen, M. Matzner, O. Müller, J. Becker, in: Handbook of Service Description, 2012, pp. 19--44

DOI


2011

Flexible Informationssystem-Architekturen für hybride Wertschöpfungsnetzwerke (Flexnet) : Forschungsprojekt im Rahmen der BMBF-Fördermaßnahme Integration von Produktion und Dienstleistung

J. Becker, D. Beverungen, R. Knackstedt, M. Matzner, O. Müller, J. Pöppelfuß, Arbeitsberichte des Instituts für Wirtschaftsinformatik, 2011

DOI


Pricing of Value Bundles: A Multi-Perspective Decision Support Approach

J. Becker, D. Beverungen, R. Knackstedt, O. Müller, Enterprise Modelling and Information Systems Architectures (2011)(2), pp. 54--69


Leaving the Beaten Tracks in Creative Work – A Design Theory for Systems that Support Convergent and Divergent Thinking

F. Müller-Wienbergen, O. Müller, S. Seidel, J. Becker, Journal of the Association for Information Systems (2011)(11), pp. 714--740

DOI


Design Science in Service Research: A Framework-Based Review of IT Artifacts in Germany

J. Becker, D. Beverungen, M. Matzner, O. Müller, J. Pöppelbuß, in: International Conference on Design Science Research in Information Systems and Technology, 2011, pp. 366--375

DOI


Slipstream: architecture options for real-time process analytics

C. Janiesch, M. Matzner, O. Müller, R. Vollmer, J. Becker, in: Proceedings of the ACM Symposium on Applied Computing, 2011, pp. 295 - 300

DOI


A blueprint for event-driven business activity management

C. Janiesch, M. Matzner, O. Müller, in: Lecture Notes in Computer Science, 2011

DOI


Information Needs in Service Systems --- A Framework for Integrating Service and Manufacturing Business Processes

J. Becker, D. Beverungen, R. Knackstedt, M. Matzner, O. Müller, in: Proceedings of the 44th Annual Hawaii International Conference on System Sciences, 2011

DOI


Integrierte Informationslogistik in der hybriden Wertschöpfung

J. Becker, D. Beverungen, R. Knackstedt, M. Matzner, O. Müller, J. Pöppelbuß, in: Mit Dienstleistungen die Zukunft gestalten: Impulse aus Forschung und Praxis. Beiträge der 8. Dienstleistungstagung des BMBF, 2011, pp. 247--255


2010

Enabling Individualized Recommendations and Dynamic Pricing of Value-Added Services through Willingness-to-Pay Data

K. Backhaus, J. Becker, D. Beverungen, M. Frohs, O. Müller, M. Weddeling, R. Knackstedt, M. Steiner, Electronic Markets (2010)(2), pp. 131--146

DOI


An ontology-based natural language service discovery engine--design and experimental evaluation

J. Becker, O. Müller, M. Woditsch, in: European Conference on Information Systems, 2010


Total Cost of Service Life --- Decision Support for Selecting and Orchestrating Services

J. Becker, D. Beverungen, M. Matzner, O. Müller, in: Proceedings of the IADIS Internatioal Conference e-Society 2010, 2010, pp. 322--329


Total Costs of Service Life: The Need of Decision Support in Selecting, Comparing and Orchestrating Services

J. Becker, D. Beverungen, M. Matzner, O. Müller, in: Exploring Service Sciences, 2010, pp. 282--288

DOI


Incorporating Willingness-to-Pay Data into Online Recommendations for Value-Added Services

K. Backhaus, J. Becker, D. Beverungen, M. Frohs, O. Müller, M. Weddeling, in: European Conference on Information Systems, 2010


Online-Produktkonfiguratoren – Status quo und Entwicklungsperspektiven

J. Becker, R. Knackstedt, O. Müller, A. Benölken, O. Schmitt, M. Thillainathan, A. Schulke, in: Vertriebsinformationssysteme, Springer-Verlag, 2010, pp. 85 - 104

DOI


TCO-as-a-Service --- Servicebasierte Lebenszyklusrechnung für hybride Leistungsbündel

J. Becker, D. Beverungen, R. Knackstedt, O. Müller, S. Müller, in: Vertriebsinformationssysteme --- Standardisierung, Individualisierung, Hybridisierung und Internetisierung, 2010, pp. 161--174

DOI


Preisfindung für hybride Leistungsbündel--Modellbasierte Integration von Ansätzen zur Entscheidungsunterstützung

J. Becker, D. Beverungen, R. Knackstedt, O. Müller, in: Dienstleistungsmodellierung 2010, Physica-Verlag HD, 2010, pp. 144-166

DOI


Vermarktung hybrider Leistungsbündel

M. Weddeling, M. Steiner, O. Müller, R. Knackstedt, J. Becker, K. Backhaus, D. Beverungen, M. Frohs, Springer Berlin Heidelberg, 2010

DOI


2009

Model-Based Decision Support for the Customer-Specific Configuration of Value Bundles

J. Becker, D. Beverungen, R. Knackstedt, O. Müller, Enterprise Modelling and Information Systems Architectures (2009)(1), pp. 26--38


Model-Based Decision Support for the Customer-Specific Configuration of Value Bundles

J. Becker, D. Beverungen, R. Knackstedt, O. Müller, Enterprise Modelling and Information Systems Architectures (2009)(1), pp. 26--38

DOI


Documentation of flexible business processes-A healthcare case study

J. Becker, K. Bergener, O. Müller, F. Müller-Wienbergen, in: Americas Conference on Information Systems, 2009, pp. 93


A design research study on enhancing creativity-The case of developing product-service bundles

F. Müller-Wienbergen, S. Seidel, O. Müller, R. Knackstedt, J. Becker, in: European Conference on Information Systems, 2009


A Framework for Design Research in the Service Science Discipline

J. Becker, D. Beverungen, R. Knackstedt, M. Matzner, O. Müller, J. Pöppelbuß, in: Americas Conference on Information Systems, 2009


Design Requirements to Support Information Flows for Providing Customer Solutions: A Case Study in the Mechanical Engineering Sector

J. Becker, D. Beverungen, M. Matzner, O. Müller, in: Proceedings of the First International Symposium on Services Science (ISSS'09), 2009, pp. 75--85


Comparing Architectural Styles for Service-Oriented Architectures – a REST vs. SOAP Case Study

J. Becker, M. Matzner, O. Müller, in: Information Systems Development, Springer, 2009, pp. 207-215

DOI


2008

Entwicklung Serviceorientierter Architekturen zur Integration von Produktion und Dienstleistung – Eine Konzeptionsmethode und ihre Anwendung am Beispiel des Recyclings elektronischer Geräte

D. Beverungen, R. Knackstedt, O. Müller, WIRTSCHAFTSINFORMATIK (2008)(3), pp. 220--234

DOI


Entwicklung Serviceorientierter Architekturen zur Integration von Produktion und Dienstleistung --- Eine Konzeptionsmethode und ihre Anwendung am Beispiel des Recyclings elektronischer Geräte

D. Beverungen, R. Knackstedt, O. Müller, Wirtschaftsinformatik (2008)(3), pp. 220--234


Modeling, Customer-Specific Configuration and Calculation of Value Bundles

J. Becker, D. Beverungen, R. Knackstedt, O. Müller, in: Americas Conference on Information Systems, 2008


Towards a semantic data quality management-using ontologies to assess master data quality in retailing

J. Becker, M. Matzner, O. Müller, A. Winkelmann, in: Americas Conference on Information Systems, 2008, pp. 129


Konzeption einer Modellierungssprache zur tool-unterstützten Modellierung, Konfiguration und Bewertung hybrider Leistungsbündel

J. Becker, D. Beverungen, R. Knackstedt, O. Müller, in: Proceedings of the GI-Tagung Modellierung, Workshop Dienstleistungsmodellierung, 2008, pp. 45-62


An ontology-based service discovery approach for the provisioning of product-service bundles

R. Knackstedt, D. Kuropka, O. Müller, A. Polyvyanyy, in: European Conference on Information Systems, 2008


Serviceorientierte Informationssystemarchitekturen zur Integration von Produktion und Dienstleistung am Beispiel des WEEE-Recycling

R. Knackstedt, O. Müller, in: Wertschöpfungsnetzwerke, Physica-Verlag HD, 2008, pp. 235-252

DOI


Konzeption einer Modellierungssprache zur softwarewerkzeugunterstützten Modellierung, Konfiguration und Bewertung hybrider Leistungsbündel

J. Becker, D. Beverungen, R. Knackstedt, O. Müller, in: Dienstleistungsmodellierung --- Methoden, Werkzeuge und Branchenlösungen, 2008, pp. 53--70


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