[Contribution to a book, Journal Article]
On lower bounds for optimal Jacobian accumulation
In: Optimization methods & software, 33 (4/6), 1264-1287, 2017
[DOI: 10.1080/10556788.2017.1397145]

Mosenkis, Viktor (Corresponding author)
Naumann, Uwe (Corresponding author)

[Website]
From Task 'til Dawn : Tasks versus Threads, 2017

Klemm, Michael (Corresponding author)
Terboven, Christian (Corresponding author)

[Dissertation / PhD Thesis]
Modal sound synthesis for interactive virtual environments, 2017
[DOI: 10.18154/RWTH-2018-223108]

Rausch, Dominik

[Contribution to a book, Contribution to a conference proceedings]
Runtime Correctness Checking for Emerging Programming Paradigms
In: Proceedings of the First International Workshop on Software Correctness for HPC Applications, 21-27, 2017
[DOI: 10.1145/3145344.3145490]

Protze, Joachim (Corresponding author)
Terboven, Christian (Corresponding author)
Müller, Matthias S. (Corresponding author)
Petiton, Serge G. (Corresponding author)
Emad, Nahid (Corresponding author)
Murai, Hitoshi (Corresponding author)
Boku, Taisuke (Corresponding author)

[Contribution to a book, Contribution to a conference proceedings]
Performance Optimization of Parallel Applications in Diverse On-Demand Development Teams
In: High-performance scientific computing : first JARA-HPC Symposium, JHPCS 2016, Aachen, Germany, October 4-5, 2016 : revised selected papers / Edoardo Di Napoli, Marc-André Hermanns, Hristo Iliev, Andreas Lintermann, Alexander Peyser (eds.), 187-199, 2017
[DOI: 10.1007/978-3-319-53862-4_16]

Iliev, Hristo (Corresponding author)
Hermanns, Marc-André
Göbbert, Jens Henrik
Halver, René
Terboven, Christian
Mohr, Bernd
Müller, Matthias S.

[Contribution to a book]
Virtual Production Intelligence (VPI)
In: Integrative production technology : theory and applications / ed. Christian Brecher, Denis Özdemir, 177-251, 2017
[DOI: 10.1007/978-3-319-47452-6_4]

Jeschke, Sabina (Corresponding author)
Kampker, Achim
Kuhlen, Torsten
Schuh, Günther
Schulz, Wolfgang
Al Khawli, Toufik
Büscher, Christian
Eppelt, Urs
Gebhardt, Sascha
Kreisköther, Kai Denis
Pick, Sebastian
Reinhard, Rudolf
Tercan, Hasan
Utsch, Julian
Voet, Hanno

[Contribution to a book, Contribution to a conference proceedings]
Measuring Insight into Multi-dimensional Data from a Combination of a Scatterplot Matrix and a HyperSlice Visualization
In: Digital Human Modeling. Applications in Health, Safety, Ergonomics, and Risk Management: Health and Safety : 8th International Conference, DHM 2017, Held as Part of HCI International 2017, Vancouver, BC, Canada, July 9-14, 2017, Proceedings, Part II / edited by Vincent G. Duffy, 225-236, 2017
[DOI: 10.1007/978-3-319-58466-9_21]

Calero Valdez, André (Corresponding author)
Gebhardt, Sascha
Kuhlen, Torsten
Ziefle, Martina

[Master Thesis]
On-the-Fly Data Race Detection in MPI One-Sided Communication, 2017

Schwitanski, Simon

[Journal Article]
Automated Pattern Analysis in Gesture Research: Similarity Measuring in 3D Motion Capture Models of Communicative Action
In: Digital humanities quarterly, 11 (2), 2017

Schüller, Daniel
Beecks, Christian
Hassani, Marwan
Hinnell, Jennifer
Brenger, Bela Darius
Seidl, Thomas
Mittelberg, Irene

[Contribution to a book, Contribution to a conference proceedings]
Augmented Reality exhibits of constructive art: 8th annual 3DUI Contest
In: 2017 IEEE Symposium on 3D User Interfaces (3DUI) : proceedings : March 18-19, 2017, Los Angeles, CA, USA / Maud Marchal, Robert J. Teather, and Bruce Thomas ; sponsored by IEEE Computer Society, Visialization and Graphics Technical Committee, 253-253, 2017
[DOI: 10.1109/3DUI.2017.7893367]

Guo, Rongkai (Corresponding author)
McMahan, Ryan P. (Corresponding author)
Weyers, Benjamin (Corresponding author)

[Contribution to a conference proceedings]
Gistualizer: An Immersive Glyph for Multidimensional Datapoints
In: [Workshop on Immersive Analytics, 2016-10-01 - 2016-10-01, Phoenix, USA], 2017

Bellgardt, Martin (Corresponding author)
Gebhardt, Sascha
Hentschel, Bernd
Kuhlen, Torsten

[Contribution to a book, Contribution to a conference proceedings]
Do Not Invade: A Virtual-Reality-Framework to Study Personal Space
In: Virtuelle und Erweiterte Realität : 14. Workshop der GI-Fachgruppe VR/AR / Ralf Dörner, Rolf Kruse, Betty Mohler, René Weller (Hg.), 203-204, 2017

Schnathmeier, Jan
Overath, Heiko
Radke, Sina
Bönsch, Andrea (Corresponding author)
Habel, Ute
Kuhlen, Torsten

[Contribution to a book, Contribution to a conference proceedings]
Turning Anonymous Members of a Multiagent System Into Individuals
In: 2017 IEEE virtual humans and crowds for immersive environments (VHCIE) : 19th of March 2017, Los Angeles, USA / organizers: Ming Lin, Anne-Hélène Olivier, Julien Pettré, 4 Seiten, 2017
[DOI: 10.1109/VHCIE.2017.7935620]

Bönsch, Andrea (Corresponding author)
Vierjahn, Thomas
Shapiro, Ari
Kuhlen, Torsten

[Contribution to a book, Contribution to a conference proceedings]
Score-Based Recommendation for Efficiently Selecting Individual Virtual Agents in Multi-Agent Systems
In: Proceedings VRST 2017 : 23rd ACM Conference on Virtual Reality Software and Technology : Gothenburg, Sweden, November 08-10, 2017 / general chairs: Morten Fjeld (Chalmers University of Technology), Marco Fratarcangeli (Chalmers University of Technology), Daniel Sjölie (University of Gothenburg) ; papers chairs: Oliver Staadt (University of Rostock), Jonas Unger (Linköping University) ; proceedings production editor: Stephen N. Spencer, University of Washington ; Co-sponsored by ACM SIGCHI and ACM SIGGRAPH, 74, 2 Seiten, 2017
[DOI: 10.1145/3139131.3141215]

Bönsch, Andrea (Corresponding author)
Trisnadi, Robert
Wendt, Jonathan
Vierjahn, Thomas
Kuhlen, Torsten

[Contribution to a conference proceedings]
buenoSDIAs: Supporting Desktop Immersive Analytics While Actively Preventing Cybersickness
In: [Workshop on Immersive Analytics, VIS2017, 2017-10-01 - 2017-10-06, Phoenix, USA], 4 Seiten, 2017

Zielasko, Daniel (Corresponding author)
Bellgardt, Martin
Meißner, Alexander
Haghgoo, Maliheh
Hentschel, Bernd
Kuhlen, Torsten

[Contribution to a book, Contribution to a conference proceedings]
A Task-Based Parallel Rendering Component For Large-Scale Visualization Applications
In: [Eurographics Symposium on Parallel Graphics and Visualization (2017) / J. C. Bennett, A. Telea (Editors)], 2017
[DOI: 10.2312/pgv.20171094]

Biedert, Tim (Corresponding author)
Werner, Kilian
Hentschel, Bernd
Garth, Christoph

[Book]
Using OpenMP - The Next Step : affinity, accelerators, tasking, and SIMD
In: Scientific and engineering computation series, 2017

van der Pas, Ruud (Corresponding author)
Stotzer, Eric (Corresponding author)
Terboven, Christian (Corresponding author)

[Book, Dissertation / PhD Thesis]
Productivity and Software Development Effort Estimation in High-Performance Computing
In: Ergebnisse aus der Informatik 9, 2017
[DOI: 10.18154/RWTH-2017-10649]

Wienke, Sandra

[Dissertation / PhD Thesis]
Transformation of linearized computational graphs driven by the associativity of the chain rule, 2017
[DOI: 10.18154/RWTH-2017-10276]

Mosenkis, Viktor

[Journal Article]
Reporting mittels Kennzahlen zur Gewährleistung der Qualität und Unterstützung des IT-Controllings eines modernen, wissenschaftlichen Rechenzentrums - ein Praxisbericht
In: Praxis der Informationsverarbeitung und Kommunikation, 39 (3/4), 63-69, 2017
[DOI: 10.1515/pik-2016-0001]

Haas, Berit Gesine (Corresponding author)
Bündgens, Daniel

[Contribution to a book, Contribution to a conference proceedings]
Performance Portability Analysis for Real-Time Simulations of Smoke Propagation Using OpenACC
In: High Performance Computing : ISC High Performance 2017 International Workshops, DRBSD, ExaComm, HCPM, HPC-IODC, IWOPH, IXPUG, P^3MA, VHPC, Visualization at Scale, WOPSSS, Frankfurt, Germany, June 18-22, 2017, Revised Selected Papers / edited by Julian M. Kunkel, Rio Yokota, Michela Taufer, John Shalf, 477-495, 2017
[DOI: 10.1007/978-3-319-67630-2_35]

Küsters, Anne (Corresponding author)
Wienke, Sandra Juliane
Arnold, Lukas

[Journal Article]
Corrigendum to Geometry distortions of nanostructure edges scanned with amplitude modulated atomic force microscopes
In: Measurement science and technology, 28 (10), 109501, 2017
[DOI: 10.1088/1361-6501/aa7d8b]

Hüser, Dorothee (Corresponding author)
Häßler-Grohne, Wolfgang
Hüser, Jonathan

[Contribution to a book, Contribution to a conference proceedings]
Prediction of learning space occupation through WLAN access point data using Kalman filter and gradient boosting regression
In: 2017 14th IEEE International Conference on Advanced Video and Signal Based Surveillance (AVSS) : Aug. 29 2017-Sept. 1 2017, 6 Seiten, 2017
[DOI: 10.1109/AVSS.2017.8078526]

Selzer, Stefan (Corresponding author)
Asteriadis, Stylianos (Corresponding author)
Politze, Marius (Corresponding author)

[Contribution to a book, Contribution to a conference proceedings]
Vergleich von Papierklausuren und elektronischen Prüfungen : Diskussion der Vor- und Nachteile von elektronischen Prüfungen am Beispiel von Programmierklausuren
In: Informatik 2017 : 25.-29. September 2017, Chemnitz : proceedings / Maximilian Eibl, Martin Gaedke (Hrsg.), 307-318, 2017
[DOI: 10.18420/in2017_24]

Küppers, Bastian (Corresponding author)
Schroeder, Ulrik (Corresponding author)

[Contribution to a book, Contribution to a conference proceedings]
Interactive Level-of-Detail Visualization of 3D-Polarized Light Imaging Data Using Spherical Harmonics
In: EuroVis 2017 : Eurographics/IEEE VGTC Conference on Visualization 2017, Barcelona, Spain, June 12 - 16, 2017 : Short Papers / Short Papers Co-Chairs: Barbora Kozlíková, Tobias Schreck, Thomas Wischgoll, 127-132, 2017
[DOI: 10.2312/eurovisshort.20171145]

Hänel, Claudia
Demiralp, Ali Can
Axer, Markus
Grässel, David
Hentschel, Bernd
Kuhlen, Torsten

[Contribution to a book, Contribution to a conference proceedings]
OpenMP Tools Interface: Synchronization Information for Data Race Detection
In: Scaling OpenMP for Exascale Performance and Portability : 13th International Workshop on OpenMP, IWOMP 2017, Stony Brook, NY, USA, September 20-22, 2017, Proceedings / edited by Bronis R. de Supinski, Stephen L. Olivier, Christian Terboven, Barbara M. Chapman, Matthias S. Müller, 249-265, 2017
[DOI: 10.1007/978-3-319-65578-9_17]

Protze, Joachim (Corresponding author)
Hahnfeld, Jonas
Ahn, Dong H.
Schulz, Martin
Müller, Matthias S.

[Contribution to a book, Contribution to a conference proceedings]
Assessing the Performance of OpenMP Programs on the Knights Landing Architecture
In: Scaling OpenMP for exascale performance and portability : 13th International Workshop on OpenMP, IWOMP 2017, Stony Brook, NY, USA, September 20-22, 2017 : proceedings / Bronis R. de Supinski, Stephen L. Olivier, Christian Terboven, Barbara M. Chapman, Matthias S. Müller (eds.), 296-308, 2017
[DOI: 10.1007/978-3-319-65578-9_20]

Schmidl, Dirk (Corresponding author)
Wang, Bo
Müller, Matthias S.

[Contribution to a book, Contribution to a conference proceedings]
Dynamic Application-aware Power Capping
In: [Fifth Workshop on Energy Efficient Super Computing, E2SC 2017, 2017-11-13 - 2017-11-13, Denver, USA], 8 Seiten, 2017
[DOI: 10.1145/3149412.3149413]

Wang, Bo (Corresponding author)
Schmidl, Dirk (Corresponding author)
Terboven, Christian (Corresponding author)
Müller, Matthias S. (Corresponding author)

[Contribution to a book, Contribution to a conference proceedings]
Data Mining-Based Analysis of HPC Center Operations
In: 2017 IEEE International Conference on Cluster Computing : CLUSTER 2017 : proceedings : 5-8 September 2017, Honolulu, Hawaii / sponsors: SIGHPC, IEEE Computer Society, 766-773, 2017
[DOI: 10.1109/CLUSTER.2017.23]

Klinkenberg, Jannis (Corresponding author)
Terboven, Christian
Lankes, Stefan
Müller, Matthias S.

[Poster]
From eLearning to eScience: Building a Service Oriented Architecture to Support Research
In: 2017 ACM Annual Conference on SIGUCCS Seattle 2017-10-01 - 2017-10-04, 2017

Politze, Marius (Corresponding author)
Eifert, Thomas

[Contribution to a book, Contribution to a conference proceedings]
From eLearning to eScience
In: SIGUCCS'17 : proceedings of the 2017 ACM Annual Conference on SIGUCCS : October 1-4, 2017, Seattle, WA, USA / sponsored by: ACM SIGUCCS ; conference chair: Cate Lyon (Whitman College), 123-125, 2017
[DOI: 10.1145/3123458.3123495]

Politze, Marius (Corresponding author)
Eifert, Thomas

[Contribution to a book, Contribution to a conference proceedings]
pSTAIX - A Process-Aware Architecture to Support Research Processes
In: Informatik 2017 : 25.-29. September 2017, Chemnitz : proceedings / Maximilian Eibl, Martin Gaedke (Hrsg.), 12 Seiten, 2017
[DOI: 10.18420/in2017_137]

Politze, Marius (Corresponding author)
Decker, Bernd (Corresponding author)
Eifert, Thomas (Corresponding author)

[Contribution to a book, Contribution to a conference proceedings]
Beyond Lockdown: Towards Reliable e-Assessment
In: Bildungsräume 2017 - DeLFI 2017 : Die 15. e-Learning Fachtagung Informatik : 5. bis 8. September 2017 Chemnitz : Proceedings / Christoph Igel, Carsten Ullrich, Martin Wessner (Hrsg.), 191-196, 2017

Küppers, Bastian (Corresponding author)
Kerber, Florian (Corresponding author)
Meyer, Ulrike (Corresponding author)
Schroeder, Ulrik (Corresponding author)

[Abstract, Contribution to a book, Contribution to a conference proceedings]
E-Assessment and Bring Your Own Device
In: [ITiCSE '17 Proceedings of the 2017 ACM Conference on Innovation and Technology in Computer Science Education], 373-373, 2017
[DOI: 10.1145/3059009.3072994]

Küppers, Bastian (Corresponding author)
Schroeder, Ulrik (Corresponding author)

[Contribution to a book, Contribution to a conference proceedings]
From Latex to Jupyter: Converting Traditional to Modern
In: INTED 2017 : 11th International Technology, Education and Development Conference, 6-8 March, 2017, Valencia (Spain) : Conference Proceedings / Edited by L. Gómez Chova, A. López Martínez, I. Candel Torres, IATED Academy, 1592-1596, 2017
[DOI: 10.21125/inted.2017.0504]

Küppers, Bastian

[Book, Proceedings]
Scaling OpenMP for Exascale Performance and Portability : 13th International Workshop on OpenMP, IWOMP 2017, Stony Brook, NY, USA, September 20 - 22, 2017, Proceedings
In: Lecture Notes in Computer Science 10468, 2017
[DOI: 10.1007/978-3-319-65578-9]

de Supinski, Bronis R. (Editor)
Olivier, Stephen L. (Editor)
Terboven, Christian (Editor)
Chapman, Barbara M. (Editor)
Müller, Matthias S. (Editor)

[Contribution to a book, Contribution to a conference proceedings]
A Pattern for Overlapping Communication and Computation with OpenMP Target Directives
In: Scaling OpenMP for Exascale Performance and Portability : 13th International Workshop on OpenMP, IWOMP 2017, Stony Brook, NY, USA, September 2022, 2017, Proceedings / edited by Bronis R. de Supinski, Stephen L. Olivier, Christian Terboven, Barbara M. Chapman, Matthias S. Müller, 325-337, 2017
[DOI: 10.1007/978-3-319-65578-9_22]

Hahnfeld, Jonas (Corresponding author)
Cramer, Tim (Corresponding author)
Klemm, Michael
Terboven, Christian
Müller, Matthias S.

[Contribution to a book, Contribution to a conference proceedings]
Infrastructure for Research Data Management as a Cross-University Project
In: Human interface and the management of information : 19th international conference, HCI International 2017, Vancouver, BC, Canada, July 9-14, 2017 : proceedings / Sakae Yamamoto (ed.). - Part 2: Supporting learning, decision-making and collaboration, 493-502, 2017
[DOI: 10.1007/978-3-319-58524-6_39]

Eifert, Thomas (Corresponding author)
Schilling, Ulrich
Bauer, Hans-Jörg
Claus, Florian
Lopez, Ania

[Conference Presentation]
Extending the OAuth2 Workflow to Audit Data Usage for Users and Service Providers in a Cooperative Scenario
In: 10. DFN-Forum Kommunikationstechnologien Berlin 2017-05-30 - 2017-05-31, 2017
[DOI: 10.18154/RWTH-2017-06796]

Politze, Marius
Decker, Bernd

[Contribution to a book, Contribution to a conference proceedings]
Evaluation of approaching-strategies of temporarily required virtual assistants in immersive environments
In: 2017 IEEE Symposium on 3D User Interfaces (3DUI) : proceedings : March 18-19, 2017, Los Angeles, CA, USA / Maud Marchal, Robert J. Teather, and Bruce Thomas ; sponsored by IEEE Computer Society, Visialization and Graphics Technical Committee, 69-72, 2017
[DOI: 10.1109/3DUI.2017.7893319]

Bönsch, Andrea (Corresponding author)
Vierjahn, Thomas (Corresponding author)
Kuhlen, Torsten (Corresponding author)

[Dissertation / PhD Thesis]
Analyzing memory accesses for performance and correctness of parallel programs, 2017
[DOI: 10.18154/RWTH-2017-06527]

Cramer, Tim

[Book, Proceedings]
High-performance scientific computing : first JARA-HPC Symposium, JHPCS 2016, Aachen, Germany, October 4-5, 2016 : revised selected papers
In: Lecture Notes in Computer Science 10164, 2017
[DOI: 10.1007/978-3-319-53862-4]

Di Napoli, Edoardo (Editor)
Hermanns, Marc-André (Editor)
Iliev, Hristo (Editor)
Lintermann, Andreas (Editor)
Peyser, Alexander (Editor)

[Contribution to a book, Contribution to a conference proceedings]
Peers at work: Economic real-effort experiments in the presence of virtual co-workers
In: 2017 IEEE Virtual Reality (VR) : proceedings : March 18-22, 2017, Los Angeles, CA, USA / Evan Suma Rosenberg, David M. Krum, Zachary Wartell, Betty Mohler, Sabarish V. Babu, Frank Steinicke, and Victoria Interrante ; sponsored by IEEE Computer Society, Visialization and Graphics Technical Committee, 301-302, 2017
[DOI: 10.1109/VR.2017.7892296]

Bönsch, Andrea (Corresponding author)
Wendt, Jonathan (Corresponding author)
Overath, Heiko (Corresponding author)
Gürerk, Özgür (Corresponding author)
Harbring, Christine (Corresponding author)
Grund, Christian (Corresponding author)
Kittsteiner, Thomas (Corresponding author)
Kuhlen, Torsten (Corresponding author)

[Contribution to a book, Contribution to a conference proceedings]
Towards a design space characterizing workflows that take advantage of immersive visualization
In: 2017 IEEE Virtual Reality (VR) : proceedings : March 18-22, 2017, Los Angeles, CA, USA / Evan Suma Rosenberg, David M. Krum, Zachary Wartell, Betty Mohler, Sabarish V. Babu, Frank Steinicke, and Victoria Interrante ; sponsored by IEEE Computer Society, Visialization and Graphics Technical Committee, 329-330, 2017
[DOI: 10.1109/VR.2017.7892310]

Vierjahn, Thomas (Corresponding author)
Zielasko, Daniel
van Kooten, Kees
Messmer, Peter
Hentschel, Bernd
Kuhlen, Torsten
Weyers, Benjamin

[Contribution to a book, Contribution to a conference proceedings]
Comparison of a speech-based and a pie-menu-based interaction metaphor for application control
In: 2017 IEEE Virtual Reality (VR) : proceedings : March 18-22, 2017, Los Angeles, CA, USA / Evan Suma Rosenberg, David M. Krum, Zachary Wartell, Betty Mohler, Sabarish V. Babu, Frank Steinicke, and Victoria Interrante ; sponsored by IEEE Computer Society, Visialization and Graphics Technical Committee, 381-382, 2017
[DOI: 10.1109/VR.2017.7892336]

Pick, Sebastian (Corresponding author)
Puika, Andrew S. (Corresponding author)
Kuhlen, Torsten (Corresponding author)

[Contribution to a book, Contribution to a conference proceedings]
Interactive Exploration of Dissipation Element Geometry
In: [Eurographics Symposium on Parallel Graphics and Visualization (2017) / J. C. Bennett, A. Telea (Editors)], 10 Seiten, 2017

Vierjahn, Thomas
Schnorr, Andrea
Weyers, Benjamin
Denker, Dominik
Wald, Ingo
Garth, Christoph
Kuhlen, Torsten
Hentschel, Bernd

[Contribution to a conference proceedings]
Reliable e-Assessment with GIT - Practical Considerations and Implementation
In: [23rd Annual EUNIS Congress, EUNIS2017, - , Münster, Germany], 2017

Küppers, Bastian (Corresponding author)
Politze, Marius
Schroeder, Ulrik

[Contribution to a conference proceedings]
Extending OAuth2 to Join Local Services into a Federative SOA
In: Eunis Münster 2017 : book of proceedings ; EUNIS 23rd annual congress ; shaping the digital future of Universities / Organizing Committee: Raimund Vogl, Director of the ZIV, WWU Münster; Ilkka Siissalo, EUNIS’ President and EUNIS BencHEIT Taskforce Leader, Chair of the Program Committee; Dominik Rudolph, Executive Secretary of the ZIV, WWU Münster; Anne Thoring, PR & Marketing, ZIV, WWU Münster, 124-132, 2017

Politze, Marius (Corresponding author)

[Contribution to a conference proceedings]
simpleArchive - Making an Archive Accessible to the User
In: Eunis Münster 2017 : book of proceedings ; EUNIS 23rd annual congress ; shaping the digital future of Universities / Organizing Committee: Raimund Vogl, Director of the ZIV, WWU Münster; Ilkka Siissalo, EUNIS’ President and EUNIS BencHEIT Taskforce Leader, Chair of the Program Committee; Dominik Rudolph, Executive Secretary of the ZIV, WWU Münster; Anne Thoring, PR & Marketing, ZIV, WWU Münster, 121-123, 2017

Politze, Marius (Corresponding author)
Claus, Florian

[Contribution to a conference proceedings]
Device specific credentials to protect from identity theft in Eduroam
In: Eunis Münster 2017 : book of proceedings ; EUNIS 23rd annual congress ; shaping the digital future of Universities / Organizing Committee: Raimund Vogl, Director of the ZIV, WWU Münster; Ilkka Siissalo, EUNIS’ President and EUNIS BencHEIT Taskforce Leader, Chair of the Program Committee; Dominik Rudolph, Executive Secretary of the ZIV, WWU Münster; Anne Thoring, PR & Marketing, ZIV, WWU Münster, 90-94, 2017

Decker, Bernd (Corresponding author)
Politze, Marius (Corresponding author)
Renner, Ramona