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1

Leveraging virtual business model innovation: a framework for designing business model development tools

Ebel, Philipp, Bretschneider, Ulrich, Leimeister, Jan Marco

Journal:

Information Systems Journal

Year:

2016

Language:

english

File:

PDF, 951 KB

english, 2016

2

Not just an ego-trip: Exploring backers’ motivation for funding in incentive-based crowdfunding

Bretschneider, Ulrich, Leimeister, Jan Marco

Journal:

The Journal of Strategic Information Systems

Year:

2017

Language:

english

File:

PDF, 659 KB

english, 2017

3

An empirical investigation of signaling in reward-based crowdfunding

Kunz, Michael Marcin, Bretschneider, Ulrich, Erler, Max, Leimeister, Jan Marco

Journal:

Electronic Commerce Research

Year:

2016

Language:

english

File:

PDF, 1.08 MB

english, 2016

4

How to Manage Crowdsourcing Platforms Effectively?

Blohm, Ivo, Zogaj, Shkodran, Bretschneider, Ulrich, Leimeister, Jan Marco

Journal:

California Management Review

Year:

2017

Language:

english

File:

PDF, 843 KB

english, 2017

5

Customer Integration in New Product Development: A Literature Review Concerning the Appropriateness of Different Customer Integration Methods to Attain Customer Knowledge

Zogaj, Shkodran, Bretschneider, Ulrich

Journal:

SSRN Electronic Journal

Year:

2012

Language:

english

File:

PDF, 421 KB

english, 2012

6

Managing crowdsourced software testing: a case study based insight on the challenges of a crowdsourcing intermediary

Zogaj, Shkodran, Bretschneider, Ulrich, Leimeister, Jan Marco

Journal:

Journal of Business Economics

Year:

2014

Language:

english

File:

PDF, 1.02 MB

english, 2014

7

Leveraging Crowdsourcing: Activation-Supporting Components for IT-Based Ideas Competition

Leimeister, Jan Marco, Huber, Michael, Bretschneider, Ulrich, Krcmar, Helmut

Journal:

Journal of Management Information Systems

Year:

2009

Language:

english

File:

PDF, 11.28 MB

english, 2009

8

All dielectric hard x-ray mirror by atomic layer deposition

Szeghalmi, Adriana, Senz, Stephan, Bretschneider, Mario, Gösele, Ulrich, Knez, Mato

Journal:

Applied Physics Letters

Year:

2009

Language:

english

File:

PDF, 657 KB

english, 2009

9

Collaborative elaboration of early innovation ideas

Kipp, Philipp, Bittner, Eva Alice Christiane, Bretschneider, Ulrich, Leimeister, Jan Marco

Journal:

Year:

2014

Language:

english

File:

PDF, 307 KB

english, 2014

10

Open Business Model Innovation via the Internet: How Wiki Technologies Can Improve the Quality of Business Models

Bretschneider, Ulrich, Ebel, Philipp Alexander, Leimeister, Jan Marco

Journal:

International Journal of Innovation and Technology Management

Year:

2020

File:

PDF, 525 KB

2020

11

Comparison between a linear versus a macrocyclic contrast agent for whole body MR angiography in a clinical routine setting

Achim Seeger, Ulrich Kramer, Michael Fenchel, Florian Grimm, Christiane Bretschneider, Jörg Döring, Bernhard Klumpp, Gunnar Tepe, Kilian Rittig, Peter R Seidensticker, Claus D Claussen, Stephan Miller

Journal:

Journal of Cardiovascular Magnetic Resonance

Year:

2008

Language:

english

File:

PDF, 1.23 MB

english, 2008

12

Reversible Photothermal Melting of DNA in DNA–Gold-Nanoparticle Networks

Maximilian Reismann, Jan C. Bretschneider, Gero von Plessen, Ulrich Simon

Journal:

Year:

2008

Language:

english

File:

PDF, 181 KB

english, 2008

13

Photothermal Control of the Activity of HRP-Functionalized Gold Nanoparticles

Jan C. Bretschneider, Maximilian Reismann, Gero von Plessen, Ulrich Simon

Journal:

Year:

2009

Language:

english

File:

PDF, 266 KB

english, 2009

14

Three-dimensional cine MRI in free-breathing infants and children with congenital heart disease

Achim Seeger, Michael C. Fenchel, Gerald F. Greil, Petros Martirosian, Ulrich Kramer, Christiane Bretschneider, Joerg Doering, Claus D. Claussen, Ludger Sieverding, Stephan Miller

Journal:

Pediatric Radiology

Year:

2009

Language:

english

File:

PDF, 467 KB

english, 2009

15

Towards risk stratification in systemic atherosclerosis: value of myocardial function and viability imaging as an adjunct to MR angiography

Achim Seeger, Michael Fenchel, Ulrich Kramer, Christiane Bretschneider, Florian Grimm, Bernhard Klumpp, Albertus Scheule, Bernd Balletshofer, Claus D. Claussen, Stephan Miller

Journal:

European Radiology

Year:

2010

Language:

english

File:

PDF, 302 KB

english, 2010

16

Diagnostic value of high spatial and temporal resolution time-resolved MR angiography in the workup of peripheral high-flow vascular malformations at 1.5 Tesla

Ulrich Kramer, Ulrike Ernemann, Stefanie Mangold, Achim Seeger, Christiane Bretschneider, Stephan Miller, Claus D. Claussen, Michael C. Fenchel

Journal:

The International Journal of Cardiovascular Imaging

Year:

2012

Language:

english

File:

PDF, 784 KB

english, 2012

17

Fusion of MR coronary angiography and viability imaging: Feasibility and clinical value for the assignment of myocardial infarctions

Achim Seeger, Anja Hennemuth, Bernhard Klumpp, Michael Fenchel, Ulrich Kramer, Christiane Bretschneider, Stefanie Mangold, Andreas E. May, Claus D. Claussen, Heinz-Otto Peitgen, Stephan Miller

Journal:

European Journal of Radiology

Year:

2012

Language:

english

File:

PDF, 471 KB

english, 2012

18

[IEEE 2012 45th Hawaii International Conference on System Sciences (HICSS) - Maui, HI, USA (2012.01.4-2012.01.7)] 2012 45th Hawaii International Conference on System Sciences - Idea Generation in Virtual Communities for Innovation: The Influence of Participants' Motivation on Idea Quality

Bretschneider, Ulrich, Rajagopalan, Balaji, Leimeister, Jan Marco

Year:

2012

Language:

english

File:

PDF, 248 KB

english, 2012

19

Assembly of DNA-functionalized gold nanoparticles studied by UV/Vis-spectroscopy and dynamic light scattering

Witten, Katrin G., Bretschneider, Jan C., Eckert, Thomas, Richtering, Walter, Simon, Ulrich

Journal:

Physical Chemistry Chemical Physics

Year:

2008

Language:

english

File:

PDF, 1.33 MB

english, 2008

20

Cardiac magnetic resonance imaging in patients undergoing percutaneous mitral valve repair with the MitraClip system

Krumm, Patrick, Zuern, Christine S., Wurster, Thomas H., Mangold, Stefanie, Klumpp, Bernhard D., Henning, Andreas, Mueller, Iris I., Bretschneider, Christiane, Bauer, Axel, Kramer, Ulrich, May, Andrea

Journal:

Clinical Research in Cardiology

Year:

2014

Language:

english

File:

PDF, 393 KB

english, 2014

21

Low-Dose, Time-Resolved, Contrast-Enhanced 3D MR Angiography in the Assessment of the Abdominal Aorta and Its Major Branches at 3 Tesla

Kramer, Ulrich, Fenchel, Michael, Laub, Gerhard, Seeger, Achim, Klumpp, Bernhard, Bretschneider, Christiane, Finn, J. Paul, Claussen, Claus D., Miller, Stephan

Journal:

Academic Radiology

Year:

2010

Language:

english

File:

PDF, 1.67 MB

english, 2010

22

Determination of Unknown High-Grade Atherosclerotic Lesions by Whole-Body Cardiovascular Imaging

Fenchel, Michael, Scheule, Albertus M., Kramer, Ulrich, Bretschneider, Christiane, Klumpp, Bernhard, Seeger, Achim, Rittig, Kilian, Claussen, Claus D., Miller, Stephan

Journal:

Academic Radiology

Year:

2010

Language:

english

File:

PDF, 3.26 MB

english, 2010

23

[IEEE 2008 The 41st Annual Hawaii International Conference on System Sciences - Waikoloa, HI, USA (2008.1.7-2008.1.10)] Proceedings of the 41st Annual Hawaii International Conference on System Sciences (HICSS 2008) - Virtual Communities for Innovations: Users' Requirements for the Development of an Academic SAP User Group

Ebner, Winfried, Bretschneider, Ulrich, Leimeister, Marco, Krcmar, Helmut

Year:

2008

Language:

english

File:

PDF, 328 KB

english, 2008

24

[IEEE 2010 43rd Hawaii International Conference on System Sciences - Honolulu, Hawaii, USA (2010.01.5-2010.01.8)] 2010 43rd Hawaii International Conference on System Sciences - Does Collaboration among Participants Lead to Better Ideas in IT-Based Idea Competitions? An Empirical Investigation

Blohm, Ivo, Bretschneider, Ulrich, Leimeister, Jan Marco, Krcmar, Helmut

Year:

2010

Language:

english

File:

PDF, 1.03 MB

english, 2010

25

[IEEE 2010 IEEE International Symposium on Industrial Electronics (ISIE 2010) - Bari, Italy (2010.07.4-2010.07.7)] 2010 IEEE International Symposium on Industrial Electronics - Design of multi-dimensional magnetic position sensor systems based on HallinOne® technology

Bretschneider, Joerg, Wilde, Andreas, Schneider, Peter, Hohe, Hans-Peter, Koehler, Ulrich

Year:

2010

Language:

english

File:

PDF, 793 KB

english, 2010

26

[IEEE 2008 The 41st Annual Hawaii International Conference on System Sciences - Waikoloa, HI, USA (2008.1.7-2008.1.10)] Proceedings of the 41st Annual Hawaii International Conference on System Sciences (HICSS 2008) - Leveraging the Wisdom of Crowds: Designing an IT-Supported Ideas Competition for an ERP Software Company

Ebner, Winfried, Leimeister, Marco, Bretschneider, Ulrich, Krcmar, Helmut

Year:

2008

Language:

english

File:

PDF, 496 KB

english, 2008

27

FUNDING FROM THE CROWD: AN INTERNET-BASED CROWDFUNDING PLATFORM TO SUPPORT BUSINESS SET-UPS FROM UNIVERSITIES

WIECK, ENRICO, BRETSCHNEIDER, ULRICH, LEIMEISTER, JAN MARCO

Journal:

International Journal of Cooperative Information Systems

Year:

2013

Language:

english

File:

PDF, 198 KB

english, 2013

28

Zur Fehlerbreite der flammenphotometrischen Calcium-Bestimmung im menschlichen Serum (und Urin)

Riethmüller, Hans-Ulrich, Bretschneider, Adelheid

Journal:

Hoppe-Seyler's Zeitschrift für physiologische Chemie

Year:

1953

Language:

german

File:

PDF, 1.75 MB

german, 1953

29

Atherosclerotic Disease: Whole-Body Cardiovascular Imaging with MR System with 32 Receiver Channels and Total-Body Surface Coil Technology—Initial Clinical Results 1

Fenchel, Michael, Scheule, Albertus M., Stauder, Norbert I., Kramer, Ulrich, Tomaschko, Katrin, Nägele, Thomas, Bretschneider, Christiane, Schlemmer, Heinz-Peter, Claussen, Claus D., Miller, Stephan

Journal:

Year:

2006

Language:

english

File:

PDF, 641 KB

english, 2006

30

CAN THE CROWD DO THE JOB? EXPLORING THE EFFECTS OF INTEGRATING CUSTOMERS INTO A COMPANY’S BUSINESS MODEL INNOVATION

EBEL, PHILIPP ALEXANDER, BRETSCHNEIDER, ULRICH, LEIMEISTER, JAN MARCO

Journal:

International Journal of Innovation Management

Year:

2016

Language:

english

File:

PDF, 630 KB

english, 2016

31

Does collaboration among participants lead to better ideas in IT-based idea competitions? An empirical investigation

Blohm, Ivo, Bretschneider, Ulrich, Leimeister, Jan Marco, Krcmar, Helmut

Journal:

International Journal of Networking and Virtual Organisations

Year:

2011

Language:

english

File:

PDF, 734 KB

english, 2011

32

IT-enabled product innovation: customer motivation for participating in virtual idea communities

Bretschneider, Ulrich, Leimeister, Jan Marco, Mathiassen, Lars

Journal:

International Journal of Product Development

Year:

2015

Language:

english

File:

PDF, 201 KB

english, 2015

33

Collaborative elaboration of early innovation ideas

Kipp, Philipp, Bittner, Eva, Bretschneider, Ulrich, Marco, Jan

Journal:

Year:

2014

Language:

english

File:

PDF, 303 KB

english, 2014

34

Impact of Papillary Muscle Infarction on Ischemic Mitral Regurgitation Assessed by Magnetic Resonance Imaging

Bretschneider, Christiane, Heinrich, Hannah-Klara, Seeger, Achim, Burgstahler, Christof, Miller, Stephan, Kramer, Ulrich, Gawaz, Meinrad, Nikolaou, Konstantin, Klumpp, Bernhard

Journal:

RöFo - Fortschritte auf dem Gebiet der R

Year:

2017

File:

PDF, 341 KB

2017

35

Keep them alive! Design and Evaluation of the “Community Fostering Reference Model”

Bretschneider, Ulrich, Hartmann, Marco, Leimeister, Jan Marco

Journal:

Business & Information Systems Engineering

Year:

2017

Language:

english

File:

PDF, 1.03 MB

english, 2017

36

IT-Enabled Product Innovation: Customer Motivation for Participating in Virtual Idea Communities

Bretschneider, Ulrich, Leimeister, J. M., Mathiassen, Lars

Journal:

SSRN Electronic Journal

Year:

2015

Language:

english

File:

PDF, 260 KB

english, 2015

37

[OSA Advances in Optical Materials - San Jose, California (2009..-..)] Frontiers in Optics 2009/Laser Science XXV/Fall 2009 OSA Optics & Photonics Technical Digest - Selected Applications of Atomic Layer Deposition Dielectric Nanolaminates as Functional Optical Coatings

Szeghalmi, Adriana, Helgert, Michael, Brunner, Robert, Bretschneider, Mario, Senz, Stephan, Gösele, Ulrich, Knez, Mato

Year:

2009

Language:

english

File:

PDF, 895 KB

english, 2009

38

Woohoo Tinkerbots! The Marketing Effect of Crowdfunding

Gierczak, Michael, Bretschneider, Ulrich, Leimeister, Jan Marco

Journal:

SSRN Electronic Journal

Year:

2016

Language:

english

File:

PDF, 5.40 MB

english, 2016

39

Exploring Strategies for Capturing Customer's Tacit Knowledge in Customer Integration Methods

Bretschneider, Ulrich, Zogaj, Shkodran

Journal:

International Journal of Knowledge Management

Year:

2016

Language:

english

File:

PDF, 445 KB

english, 2016

40

Towards Open Innovation in Universities: Fostering the Inside-Out-Process Using Ideas Competitions

Zogaj, Shkodran, Kipp, Philipp, Ebel, Philipp, Bretschneider, Ulrich, Leimeister, J. M.

Journal:

SSRN Electronic Journal

Year:

2012

Language:

english

File:

PDF, 1.01 MB

english, 2012

41

Idea Contributors Wanted - Towards the Adaption of the Pyramiding Approach to Recruit New Idea Contributors for a Virtual Ideas Competition

Ebel, Philipp, Bretschneider, Ulrich, Leimeister, J. M.

Journal:

SSRN Electronic Journal

Year:

2012

Language:

english

File:

PDF, 386 KB

english, 2012

42

Customer Integration in New Product Development: A Literature Review Concerning the Appropriateness of Different Customer Integration Methods to Attain Customer Knowledge

Zogaj, Shkodran, Bretschneider, Ulrich

Journal:

SSRN Electronic Journal

Year:

2012

File:

PDF, 421 KB

2012

43

Does the Ability to Choose Matter? On the Relationship between Bring Your Own Behavior and IT Satisfaction

Klese, Michael, Kampling, Henrik, Bretschneider, Ulrich, Niehaves, Bjoern

Journal:

Communications of the association for information systems

Year:

2018

Language:

english

File:

PDF, 744 KB

english, 2018

44

Designing for Crowdfunding Co-creation

Lipusch, Nikolaus, Dellermann, Dominik, Bretschneider, Ulrich, Ebel, Philipp, Leimeister, Jan Marco

Journal:

Business & Information Systems Engineering

Year:

2020

File:

PDF, 676 KB

2020

45

Radically rethinking the way crowdfunding works: the case of JumpStartFund and the Hyperloop

Lipusch, Nikolaus, Dellermann, Dominik, Ebel, Philipp, Bretschneider, Ulrich, Leimeister, Jan Marco

Journal:

International Journal of Entrepreneurial Venturing

Year:

2019

File:

PDF, 376 KB

2019

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