Publications

Note that the copyright for most of the provided full-texts is owned by the respective publishing houses. However, permission has been granted to publish them as postprints here for noncommercial personal use -- further redistribution than on this page is in most cases not allowed! Furthermore note, that only postprints are provided and thus, the final formatting of the published paper may differ.

Journal Articles

2018

Shiraz Memon, Jens Jensen, Willem Elbers, Helmut Neukirchen, Morris Riedel, Matthias Book.
Towards Federated Service Discovery and Identity Management.Journal of Grid Computing (ISSN: 1570-7873 (Print) 1572-9184 (Online)), Springer, Vol 16 (2018), DOI: 10.1007/s10723-018-9445-3, 2018.
Download

2016

Shahbaz Memon, Morris Riedel, Shiraz Memon, Chris Koeritz, Andrew Grimshaw, Helmut Neukirchen.
Enabling scalable data processing and management through standards-based job execution and the global federated file system.Scalable Computing: Practice and Experience (ISSN 1895-1767), special issue on Distributed Computing with Applications in Bioengineering, Vol 17, No 2 (2016), DOI: 10.12694/scpe.v17i2.1160, 2016.
Download

2011

Klaus Marius Hansen, Kristjan Jonasson, Helmut Neukirchen.
An Empirical Study of Software Architectures' Effect on Product Quality. Journal of Systems and Software (ISSN 0164-1212), Volume 84, Issue 7, pp 1233-1243. DOI: 10.1016/j.jss.2011.02.037, Elsevier, July, 2011.
Download

2008

Helmut Neukirchen, Benjamin Zeiss, Jens Grabowski.
An Approach to Quality Engineering of TTCN-3 Test Specifications. International Journal on Software Tools for Technology Transfer (STTT), Volume 10, Issue 4. (ISSN 1433-2779) DOI: 10.1007/s10009-008-0075-0, Springer, August 2008, 309-326.
Download
Helmut Neukirchen, Benjamin Zeiss, Jens Grabowski, Paul Baker, Dominic Evans.
Quality assurance for TTCN-3 test specifications. Software Testing, Verification and Reliability (STVR), Volume 18, Issue 2. (ISSN 0960-0833) DOI: 10.1002/stvr.379, Wiley, June 2008, 71-97.
Download

2004

Zhen Ru Dai, Jens Grabowski, Helmut Neukirchen, Holger Pals.
Model-based Testing with UML Applied to a Roaming Algorithm for Bluetooth Devices. Journal of Zhejiang University -- Science A, Volume 5, Issue 11. (ISSN 1673-565X) DOI: 10.1631/jzus.2004.1327, Zhejiang University Press, co-published with Springer, November 2004, 1327-1335.
Download

2000

Dieter Hogrefe, Beat Koch, Helmut Neukirchen.
Validation and Testing. Telektronikk (ISSN 0085-7130), 96 (4), 2000, 130-136.
Download

Articles in Conference Proceedings

2018

Ernir Erlingsson, Gabriele Cavallaro, Morris Riedel, Helmut Neukirchen.
Scaling Support Vector Machines Towards Exascale Computing for Classification of Large-Scale High-Resolution Remote Sensing Images.
Short paper at 2018 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), July 23-27 2018, Valencia, Spain, IEEE 2018 (to appear).
Download
Shahbaz Memon, Gabriele Cavallaro, Björn Hagemeier, Morris Riedel, Helmut Neukirchen.
Automated Analysis of remotely sensed images using the UNICORE workflow management system.
Short paper at 2018 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), July 23-27 2018, Valencia, Spain, IEEE 2018 (to appear).
Download
Helmut Neukirchen.
Elephant against Goliath: Performance of Big Data versus High-Performance Computing DBSCAN Clustering Implementations.Simulation Science. First International Workshop, SimScience 2017, Göttingen, Germany, April 27–28, 2017, Revised Selected Papers, Communications in Computer and Information Science (CCIS), volume 889, DOI: 978-3-319-96271-9_16, Springer 2018.
Download
Ernir Erlingsson, Gabriele Cavallaro, Andreas Galonska, Morris Riedel, Helmut Neukirchen.
Modular Supercomputing Design supporting Machine Learning Applications.
The 41st International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO 2018), Conference DS-DC -- Data and Life Sciences supported by Distributed Computing, 21-25 May 2018, Opatija/Abbazia, Croatia, 2018. DOI: 10.23919/MIPRO.2018.8400031, IEEE 2018.
Download (LaTeX Preprint) / Download (MS Word Postprint)
Ernir Erlingsson, Helmut Neukirchen, Gabriele Cavallaro, Morris Riedel.
Scaling DBSCAN towards exascale computing for clustering of big data sets.
Abstract at European Geosciences Union (EGU) General Assembly 2018 (session IE4.1/NP4.3/AS5.13/CL5.18/ESSI2.3/GD10.6/HS3.7/NH11.14/SM7.03 – Big data and machine learning in geosciences, Vienna, Austria, 8–13 April 2018. Geophysical Research Abstracts Vol. 20, EGU2018-16171, Copernicus Publications, 2018.
Download
Ernir Erlingsson, Gabriele Cavallaro, Morris Riedel, Helmut Neukirchen.
Enhancing Deep Learning towards Exascale with the DEEP-EST Modular Supercomputer Architecture.
Poster and Lightning talk accepted based on this abstract at 5th Exascale Applications and Software Conference (EASC 2018), Edinburgh, Scotland, 17-19 April 2018.
Download
Shahbaz Memon, Morris Riedel, Helmut Neukirchen, Matthias Book, Andrew Grimshaw, Daniel Dougherty, Peter Kascuk, Marton István, Akos Hajnal.
Enabling Scientific Workflow and Gateways using the Standards-based XSEDE Architecture.
2017 International Conference on Information and Communication Technologies (ICICT), 30-31 December 2017, Karachi, Pakistan. DOI: 10.1109/ICICT.2017.8320171, IEEE 2018.
Download

2017

Shiraz Memon, Jens Jensen, Willem Elbers, Morris Riedel, Helmut Neukirchen, Matthias Book.
Implementing an authorisation architecture in the EUDAT services federation.
2017 IEEE Conference on Application, Information and Network Security (AINS), 13-14 Nov. 2017, Miri, Malaysia. DOI: 10.1109/AINS.2017.8270434, IEEE 2017.
Download
Matthias Book, Morris Riedel, Helmut Neukirchen, Markus Götz.
Facilitating Collaboration in High Performance Computing Projects with an Interaction Room.
The 4th ACM SIGPLAN International Workshop on Software Engineering for Parallel Systems (SEPS 2017). Co-located with SPLASH 2017 as an ACM SIGPLAN-approved workshop.
October 23, 2017, Vancouver, Canada. DOI: 10.1145/3141865.3142467, ACM Digital Library 2017.
Download
Gianluca Rizzo, Helmut Neukirchen.
Geo-based content sharing for disaster relief applications.
The 7th International Workshop on Extending Seamlessly to the Internet of Things (esIoT-2017). Workshop at The 11th International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing (IMIS-2017), July 10th-July 12th 2017, Torino, Italy, DOI: 10.1007/978-3-319-61542-4_91, Advances in Intelligent Systems and Computing book series (AISC) volume 612, Springer 2017
Download
Shahbaz Memon, Gabriele Cavallaro, Morris Riedel, Helmut Neukirchen.
Facilitating efficient data analysis of remotely sensed images using standards-based Parameter Sweep models.
Short paper at 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), July 23–28, 2017, Fort Worth, Texas, USA. DOI: 10.1109/IGARSS.2017.8127797 IEEE, 2017.
Download
Helmut Neukirchen.
Performance of Big Data versus High-Performance Computing: Some Observations.
Extended Abstract. Clausthal-Göttingen International Workshop on Simulation Science, 27-28 April 2017, Göttingen, Germany. Proceedings of Accepted Abstracts, Clausthal-Göttingen Simulation Science Center, 2017, pp. 93-95.
Download
Shahbaz Memon, Dorothee Vallot, Thomas Zwinger, Helmut Neukirchen.
Coupling of a continuum ice sheet model and a discrete element calving model using a scientific workflow system.
Abstract and talk at European Geosciences Union (EGU) General Assembly 2017 (session IE1.1/CR1.14/AS4.21/BG9.66 Atmosphere - Cryosphere interaction in the Arctic, high latitudes and mountains: Transport and deposition of aerosols, eScience and ensemble methods), Vienna, Austria, 23–28 April 2017. Geophysical Research Abstracts
Vol. 19, EGU2017-8499, Copernicus Publications, 2017.
Download

2013

Fabian Glaser, Helmut Neukirchen, Thomas Rings, Jens Grabowski.
Using MapReduce for High Energy Physics Data Analysis. Proceedings of the 2013 International Symposium on MapReduce and Big Data Infrastructure (MR.BDI 2013), 03-05 December 2013, Sydney, Australia 2013. DOI: 10.1109/CSE.2013.189, IEEE 2013
Download
Hlödver Tómasson, Helmut Neukirchen.
Distributed Testing of Cloud Computing Applications Using the TTCN-3-based Jata Test Framework. Proceedings of the 2nd Nordic Symposium on Cloud Computing & Internet Technologies (NordiCloud 2013), 2-3 September 2013 in Oslo, Norway, DOI: 10.1145/2513534.2513540, ACM Digital Library 2013.
Download

2012

Hafsteinn Þór Einarsson, Helmut Neukirchen.
An Approach and Tool for Synchronous Refactoring of UML Diagrams and Models Using Model-to-Model Transformations. Proceedings of the 5th Workshop on Refactoring Tools co-located with ICSE 2012, June 1 2012 in Rapperswil, Switzerland, DOI: 10.1145/2328876.2328879, ACM Digital Library 2012.
Download
Helmut Neukirchen.
Taming the Raven – Testing the Random Access, Visualization and Exploration Network RAVEN. Applied Parallel and Scientific Computing: 10th International Conference, PARA 2010, Reykjavík, Iceland, June 6-9, 2010, Revised Selected Papers, Part II, Lecture Notes in Computer Science (LNCS) 7134, DOI: 10.1007/978-3-642-28145-7_20, Springer, Heidelberg, 2012, pp. 196-205.
Download
Michael Schmelling, Markward Britsch, Nikolai Gagunashvili, Hans Kristjan Gudmundsson, Helmut Neukirchen, Nicola Whitehead.
RAVEN – Boosting Data Analysis for the LHC Experiments . Applied Parallel and Scientific Computing: 10th International Conference, PARA 2010, Reykjavík, Iceland, June 6-9, 2010, Revised Selected Papers, Part II, Lecture Notes in Computer Science (LNCS) 7134, DOI: 10.1007/978-3-642-28145-7_21, Springer, Heidelberg, 2012, pp. 206-214.
Download

2011

Åke Edlund, Maarten Koopmans, Zeeshan Ali Shah, Ilja Livenson, Frederik Orellana, Jukka Kommeri, Miika Tuisku, Pekka Lehtovuori, Klaus Marius Hansen, Helmut Neukirchen, Ebba Þóra Hvannberg.
Practical Cloud Evaluation from a Nordic eScience User Perspective. VTDC11 - The 5th International Workshop on Virtualization Technologies in Distributed Computing held in conjunction with the 20th International ACM Symposium on High-Performance Parallel and Distributed Computing San Jose, California, June 8-11, 2011, DOI: 10.1145/1996121.1996129, ACM New York, NY, USA. pp. 29-37.
Download

2010

Nikolai Gagunashvili, Hans Kristján Guðmundsson, Nicola Whitehead, Markward Britsch,
Michael Schmelling, Helmut Neukirchen.
RAVEN - a Random Access, Visualization and Exploration Network for the Analysis of Petabyte Sized Data Sets. Distributed Computing and Grid-Technologies in Science and Education: Proceedings of the 4th Intern. Conf. (Dubna, June 28-July 3, 2010), Dubna: JINR, D-11-2010-140, 2010, ISBN 978-5-9530-0269-1, pp.98-102.
Download
Steffen Herbold, Jens Grabowski, Helmut Neukirchen, Stephan Waack.
Retrospective Analysis of Software Projects using k-Means Clustering. Proceedings of the 2. Workshop "Design for Future 2010" (DFF 2010), May 3rd 2010, Bad Honnef, Germany, pp. 17-18.
Download

2009

Klaus Marius Hansen, Kristján Jónasson, Helmut Neukirchen.
Does Software Architecture Matter? An empirical study of the effect of software architecture on open source software product quality.The Second Workshop on Empirical Assessment in Software Architecture (EASA'09), in Cambridge, UK, 14 September 2009, Collocated with Working IEEE/IFIP Conference on Software Architecture & European Conference on Software Architecture (WICSA/ECSA09), September 2009.
Download
Steffen Herbold, Jens Grabowski, Helmut Neukirchen.
Automated Refactoring Suggestions Using the Results of Code Analysis Tools. 2009 First International Conference on Advances in System Testing and Validation Lifecycle (VALID 2009). DOI: 10.1109/VALID.2009.12, IEEE, September 2009, pp. 104-109.
Download
Philip Makedonski, Helmut Neukirchen, Jens Grabowski.
Validating the Behavioral Equivalence of TTCN-3 Test Cases. 2009 First International Conference on Advances in System Testing and Validation Lifecycle (VALID 2009). DOI: 10.1109/VALID.2009.13, IEEE, September 2009, pp. 117-122.
Download
Akhtar Ali Jalbani, Jens Grabowski, Helmut Neukirchen, Benjamin Zeiss.
Towards an Integrated Quality Assessment and Improvement Approach for UML Models. 14th System Design Languages Forum (SDL Forum 2009), 22-24 Sep 2009, Ruhr-University of Bochum, Germany. Lecture Notes in Computer Science (LNCS) 5719. DOI: 10.1007/978-3-642-04554-7_5, Springer, Heidelberg, 2009, pp. 63-81
Download
Jens Nödler, Helmut Neukirchen, Jens Grabowski.
A Flexible Framework for Quality Assurance of Software Artefacts -- With Applications to Java, UML, and TTCN-3 Test Specifications. 2nd International Conference on Software Testing, Verification, and Validation (ICST 2009). DOI: 10.1109/ICST.2009.34, IEEE, April 2009, pp. 101-110.
Download

2008

Thomas Rings, Helmut Neukirchen, Jens Grabowski.
Testing Grid Application Workflows Using TTCN-3. Proceedings of the 2008 International Conference on Software Testing, Verification, and Validation (ICST 2008). Lillehammer, Norway, April 9-11 2008. DOI: 10.1109/ICST.2008.24, IEEE Computer Society, April 2008, pp. 210-219.
Download

2007

Edith Werner, Jens Grabowski, Helmut Neukirchen, Nils Röttger, Stephan Waack, Benjamin Zeiss.
TTCN-3 Quality Engineering: Using Learning Techniques to Evaluate Metric Sets. Proceedings of 13th System Design Language Forum (SDL Forum 2007), 18-21 September 2007, Paris, Lecture Notes in Computer Science (LNCS) 4745. DOI: 10.1007/978-3-540-74984-4_4, Springer, Heidelberg, September 2007, 56-70.
Download
Helmut Neukirchen, Benjamin Zeiss.
Automation of Refactoring and Refactoring Suggestions for TTCN-3 Test Suites -- The TRex TTCN-3 Refactoring and Metrics Tool (Extended Abstract). Proceedings of the 1st Workshop on Refactoring Tools held in conjunction with 21st European Conference on Object-Oriented Programming (ECOOP 2007), July 31st 2007, Berlin. (Editors: Danny Dig, Michael Cebulla). Technical Report No 2007-8, Technische Universität Berlin, Fakultät IV - Elektrotechnik und Informatik, ISSN 1436-9915.
Download
Helmut Neukirchen, Martin Bisanz.
Utilising Code Smells to Detect Quality Problems in TTCN-3 Test Suites. Proceedings of the 19th IFIP International Conference on Testing of Communicating Systems and 7th International Workshop on Formal Approaches to Testing of Software (TestCom/FATES 2007), June 26-29 2007, Tallinn, Estonia. Lecture Notes in Computer Science (LNCS) 4581. DOI: 978-3-540-73066-8_16, Springer, Heidelberg, June 2007, 228-243.
Download
Benjamin Zeiss, Diana Vega, Ina Schieferdecker, Helmut Neukirchen, Jens Grabowski.
Applying the ISO 9126 Quality Model to Test Specifications -- Exemplified for TTCN-3 Test Specifications. Software Engineering 2007 (SE 2007). Lecture Notes in Informatics (LNI) 105. Copyright Gesellschaft für Informatik, Köllen Verlag, Bonn, March 2007, 231-242.
Download

2006

Benjamin Zeiss, Helmut Neukirchen, Jens Grabowski, Dominic Evans, Paul Baker.
Refactoring and Metrics for TTCN-3 Test Suites. System Analysis and Modeling: Language Profiles. 5th International Workshop, SAM 2006, Kaiserslautern, Germany, May 31 - June 2, 2006, Revised Selected Papers. Lecture Notes in Computer Science (LNCS) 4320. DOI: 10.1007/11951148_10, Springer, December 2006, 148-165.
Download
Benjamin Zeiss, Helmut Neukirchen, Jens Grabowski, Dominic Evans, Paul Baker.
TRex - An Open-Source Tool for Quality Assurance of TTCN-3 Test Suites. Proceedings of CONQUEST 2006 -- 9th International Conference on Quality Engineering in Software Technology, September 27-29, Berlin, Germany, dpunkt.Verlag, Heidelberg, September 2006.
Download
Paul Baker, Dominic Evans, Jens Grabowski, Helmut Neukirchen, Benjamin Zeiss.
TRex -- The Refactoring and Metrics Tool for TTCN-3 Test Specifications. Proceedings of TAIC PART 2006 (Testing: Academic & Industrial Conference - Practice And Research Techniques), Cumberland Lodge, Windsor Great Park, UK, 29th-31st August 2006. Copyright IEEE Computer Society 2006. DOI: 10.1109/TAIC-PART.2006.35, IEEE Computer Society, August 2006, 90-94.
Download
Benjamin Zeiss, Helmut Neukirchen, Jens Grabowski, Dominic Evans, Paul Baker.
Refactoring for TTCN-3 Test Suites. Proceedings of SAM'06 -- Fifth Workshop on System Analysis and Modelling (formerly SDL and MSC Workshop), May 31st-June 2nd 2006,
University of Kaiserslautern, Kaiserslautern, Germany, 2006.
Download

2004

Edith Werner, Helmut Neukirchen, Jens Grabowski.
Self-adaptive Functional Testing of Services Working in Continuously Changing Contexts. Proceedings of the 3rd Workshop on System Testing and Validation (SV04), December 2004, Fraunhofer Book Series.
Download
Helmut Neukirchen, Zhen Ru Dai, Jens Grabowski.
Communication Patterns for Expressing Real-Time Requirements Using MSC and their Application to Testing. Testing of Communicating Systems. Proceedings of the 16th IFIP International Conference on Testing of Communicating Systems (TestCom2004), Oxford, United Kingdom, March 2004. Lecture Notes in Computer Science (LNCS) 2978, Springer, March 2004.
Download
Zhen Ru Dai, Jens Grabowski, Helmut Neukirchen, Holger Pals.
From Design to Test with UML -- Applied to a Roaming Algorithm for Bluetooth Devices. Testing of Communicating Systems. Proceedings of the 16th IFIP International Conference on Testing of Communicating Systems (TestCom2004), Oxford, United Kingdom, March 2004. Lecture Notes in Computer Science (LNCS) 2978, Springer, March 2004.
Download

2003

Holger Pals, Zhen Ru Dai, Jens Grabowski, Helmut Neukirchen.
UML-Based Modeling of Roaming with Bluetooth Devices. Proceedings of the First Hangzhou-Lübeck Workshop on Software Engineering, University of Hangzhou, China, November 2003.
Download
Zhen Ru Dai, Jens Grabowski, Helmut Neukirchen, Holger Pals.
UML-Based Testing of Roaming with Bluetooth Devices. Proceedings of the First Hangzhou-Lübeck Workshop on Software Engineering, University of Hangzhou, China, November 2003.
Download
Zhen Ru Dai, Jens Grabowski, Helmut Neukirchen.
TimedTTCN-3 Based Graphical Real-Time Test Specification. Testing of Communicating Systems (Editors: D. Hogrefe, A. Wiles). Proceedings of the 15th IFIP International Conference on Testing of Communicating Systems (TestCom2003), Sophia Antipolis, France, May 2003. Lecture Notes in Computer Science (LNCS) 2644, Springer, May 2003, 110-127.
Download

2002

Zhen Ru Dai, Jens Grabowski, Helmut Neukirchen.
TimedTTCN-3 -- A Real-Time Extension for TTCN-3. TestCom 2002: Testing Internet Technologies and Services -- The IFIP 14th International Conference on Testing of Communicating Systems March, 19th - 22nd, 2002, Berlin, Kluwer Academic Publishers, March 2002, 407-424.
Download

2001

Zhen Ru Dai, Jens Grabowski, Helmut Neukirchen.
Real-Time Test Specification with TTCN-3 (extended abstract). Proceedings of the Eleventh GI/ITG Technical Meeting on Formal Description Techniques for Distributed Systems. Bruchsal, Germany, 21.-22. June 2001.
Download
Dieter Hogrefe, Beat Koch, Helmut Neukirchen.
Some Implications of MSC, SDL and TTCN Time Extensions for Computer-aided Test Generation. SDL 2001: Meeting UML (Editors: R. Reed, J. Reed). Proceedings of the 10th SDL-Forum, Copenhagen, June 2001, Lecture Notes in Computer Science (LNCS) 2078, Springer.
Download

2000

Dirk Thißen, Helmut Neukirchen.
Integrating Trading and Load Balancing for Efficient Management of Services in Distributed Systems. Proceedings of the 3rd IFIP/GI International Conference on Trends towards a Universal Service Market (USM 2000), Munich, September 2000; Lecture Notes in Computer Science (LNCS) 1890, Springer.
Download
Dirk Thißen, Helmut Neukirchen.
Managing Services in Distributed Systems by Integrating Trading and Load Balancing. Proceedings of the 5th IEEE Symposium on Computers and Communications (ISCC 2000), Antibes-Juan Les Pins, July 2000.
Download

Poster

2018

Gabriele Cavallaro, Ernir Erlingsson, Morris Riedel, Helmut Neukirchen.
Enhancing Remote Sensing Applications towards Exascale with the DEEP-EST Modular Supercomputer Architecture.
Poster at the ESA earth observation Φ-week 2018. ESA-ESRIN, 12-16 November 2018.
Ernir Erlingsson, Gabriele Cavallaro, Morris Riedel, Helmut Neukirchen.
Enhancing Deep Learning towards Exascale with the DEEP-EST Modular Supercomputer Architecture.
Poster at 5th Exascale Applications and Software Conference (EASC 2018), Edinburgh, Scotland, 17-19 April 2018.
Download

2010

Michael Schmelling, Nicola Whitehead, Markward Britsch, Nikolai Gagunashvili, Hans Kristján Guðmundsson, Helmut Neukirchen.
RAVEN - a Random Access, Visualization and Exploration Network for the Analysis of Petabyte Sized Data Sets.The 4th International Conference Distributed Computing and Grid-technologies in Science and Education, June 28 - July 3, 2010, Dubna, Russia.
Michael Schmelling, Nicola Whitehead, Markward Britsch, Nicolai Gagunashvili, Hans Kristján Guðmundsson, Helmut Neukirchen.
RAVEN - a Random Access, Visualization and Exploration Network for the Analysis of Petabyte Sized Data Sets.13th International Workshop on Advanced Computing and
Analysis Techniques in Physics Research (ACAT), February 22-27, 2010, Jaipur, India.

2007

Helmut Neukirchen, Benjamin Zeiss.
Automation of Refactoring and Refactoring Suggestions for TTCN-3 Test Suites -- The TRex TTCN-3 Refactoring and Metrics Tool. 1st Workshop on Refactoring Tools held in conjunction with 21st European Conference on Object-Oriented Programming (ECOOP 2007), July 31st 2007, Berlin.
Download

Technical Reports

2016

Helmut Neukirchen.
Survey and Performance Evaluation of DBSCAN Spatial Clustering Implementations for Big Data and High-Performance Computing Paradigms.Technical Report VHI-01-2016, Engineering Research Institute, University of Iceland, Reykjavik, Iceland, November 2016.
Download

2012

Fabian Glaser, Helmut Neukirchen.
Analysing High-Energy Physics Data Using the MapReduce Paradigm in a Cloud Computing Environment.Technical Report VHI-01-2012, Engineering Research Institute, University of Iceland, Reykjavik, Iceland, Second, extended Edition, July 2012.
Download

2010

Åke Edlund, Maarten Koopmans, Zeeshan Ali Shah, Ilja Livenson, Frederik Orellana, Jukka Kommeri, Miika Tuisku, Pekka Lehtovuori, Klaus Marius Hansen, Helmut Neukirchen, Ebba Þóra Hvannberg.
NEON – Northern Europe Cloud Computing Final Report. Final report of NDGF (Nordic DataGrid Facility) project NEON - Northern Europe Cloud Computing, 17. December 2010.
Download

2009

Klaus Marius Hansen, Kristján Jónasson, Helmut Neukirchen.
An Empirical Study of Open Source Software Architectures' Effect on Product Quality.Technical Report VHI-01-2009, Engineering Research Institute, University of Iceland, Reykjavik, Iceland, July 2009.
Download

2006

Jens Grabowski, Helmut Neukirchen, Benjamin Zeiss.
Qualitätssicherung und Qualitätsverbesserung für TTCN-3 Testspezifikationen - Unterlagen zu einem Arbeitstreffen am Institut für Informatik der Georg-August-Universität Göttingen vom 18. Oktober 2006. Technical Report, IFI-TB-2006-06, ISSN 1611-1044, Institute for Informatics, University of Göttingen, Germany, November 2006.
Download
Benjamin Zeiss, Helmut Neukirchen, Jens Grabowski, Dominic Evans, Paul Baker.
TRex -- The Refactoring and Metrics Tool for TTCN-3 Test Specifications. Technical Report, IFI-TB-2006-02, ISSN 1611-1044, Institute for Informatics, University of Göttingen, Germany, August 2006.
Download

2003

Helmut Neukirchen, Zhen Ru Dai, Jens Grabowski.
Communication Patterns for Expressing Real-Time Requirements Using MSC and their Application to Testing. SIIM Technical Report SIIM-TR-A-03-17, Schriftenreihe der Institute für Informatik/Mathematik, Medical University of Lübeck, Germany, 28. März 2003.
Download

2001

Zhen Ru Dai, Jens Grabowski, Helmut Neukirchen.
TimedTTCN-3 -- A Real-time extension for TTCN-3. SIIM Technical Report SIIM-TR-A-01-14, Schriftenreihe der Institute für Informatik/Mathematik, Medical University of Lübeck, Germany, 23. November 2001.
Download

Ph.D. Thesis

2004

Helmut Neukirchen.
Languages, Tools and Patterns for the Specification of Distributed Real-Time Tests. Dissertation, Universität Göttingen, November 2004. Electronically published via http://hdl.handle.net/11858/00-1735-0000-0006-B3E3-1 . Persistent Identifier: urn:nbn:de:gbv:7-webdoc-300-2
Download

Diploma Thesis

1999

Helmut Neukirchen.
Optimierung der Dienstauswahl in einem CORBA-Trader unter dem Aspekt dynamischer Lastverteilung (Optimizing the Set of Selected Services in a CORBA Trader by Integrating Dynamic Load Balancing). Diplomarbeit am Lehrstuhl für Informatik IV, Prof. Spaniol, Rheinisch-Westfälische Technische Hochschule Aachen, März 1999.
Download

Tutorials

2005

Helmut Neukirchen.
Re-Usability in Testing. TAROT Summer School 2005, Institut National des Télécommunications, Paris, June 2005.
Download

Presentations

2018

Ernir Erlingsson, Gabriele Cavallaro, Morris Riedel, Helmut Neukirchen.
Scaling Support Vector Machines Towards Exascale Computing for Classification of Large-Scale High-Resolution Remote Sensing Images.
Presentation held by Ernir Erlingsson at 2018 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), July 23-27 2018, Valencia, Spain.
Shahbaz Memon, Gabriele Cavallaro, Björn Hagemeier, Morris Riedel, Helmut Neukirchen.
Automated Analysis of remotely sensed images using the UNICORE workflow management system.
Presentation held by Shahbaz Memon at 2018 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), July 23-27 2018, Valencia, Spain.
Ernir Erlingsson, Helmut Neukirchen, Gabriele Cavallaro, Morris Riedel.
Scaling DBSCAN towards exascale computing for clustering of big data sets.
Presentation held by Ernir Erlingsson at European Geosciences Union (EGU) General Assembly 2018 (session IE4.1/NP4.3/AS5.13/CL5.18/ESSI2.3/GD10.6/HS3.7/NH11.14/SM7.03 – Big data and machine learning in geosciences, Vienna, Austria, 8–13 April 2018.
Ernir Erlingsson, Gabriele Cavallaro, Morris Riedel, Helmut Neukirchen.
Enhancing Deep Learning towards Exascale with the DEEP-EST Modular Supercomputer Architecture.
Presentation held by Ernir Erlingsson at 5th Exascale Applications and Software Conference (EASC 2018), Edinburgh, Scotland, 17-19 April 2018.

2017

Shahbaz Memon, Morris Riedel, Andrew Grimshaw, Daniel Dougherty, Helmut Neukirchen, Matthias Book, Peter Kascuk, Marton István, Akos Hajnal.
Enabling Scientific Workflow and Gateways using the Standards-based XSEDE Architecture.
Presentation held by Shahbaz Memon at 7th INTERNATIONAL CONFERENCE ON INFORMATION & COMMUNICATION TECHNOLOGIES (ICICT) 2017, 30 - 31 December 2017, Karachi, Pakistan.
Shiraz Memon, Jens Jensen, Willem Elbers, Morris Riedel, Helmut Neukirchen, Matthias Book.
Implementing an authorisation architecture in the EUDAT services federation.
Presentation by Shiraz Memon at the 2017 IEEE Conference on Application, Information and Network Security (AINS), 13-14 Nov. 2017, Miri, Malaysia.
Helmut Neukirchen.
Software Engineering Challenges of the H2020 DEEP-EST Modular Supercomputing Architecture.
Presentation at Computing Science Colloquium at University of Göttingen, November 7 2017, Göttingen, Germany
Download
Helmut Neukirchen.
Facilitating Collaboration in High Performance Computing Projects with an Interaction Room.
Presentation at The 4th ACM SIGPLAN International Workshop on Software Engineering for Parallel Systems (SEPS 2017). Co-located with SPLASH 2017 as an ACM SIGPLAN-approved workshop. October 23, 2017, Vancouver, Canada.
Download
Helmut Neukirchen.
HPC use case: Glaciology/Ice sheet modelling and supporting scientific workflows.
Presentation NeIC Dellingr Phase 2 meeting, Reykjavik, 3.10.2017
Download
Helmut Neukirchen.
eSTICC breakout session at Arctic Circle assmebly 2017.
Presentation eSTICC general assembly, Helsinki, 29.9.2017.
Download
Helmut Neukirchen, Thomas Zwinger.
WP6: Training workshops organised by WP5.
Presentation eSTICC general assembly, Helsinki, 28.9.2017.
Download
Shahbaz Memon, Helmut Neukirchen, Thomas Zwinger.
Scientific workflows for different data analysis models.
Presentation held by Shahbaz Memon, eSTICC general assembly, Helsinki, 28.9.2017.
Download
Helmut Neukirchen, Shuting Yang, Thomas Zwinger.
WP5 High-Performance Computing Overview.
Presentation eSTICC general assembly, Helsinki, 28.9.2017.
Download
Shahbaz Memon, Gabriele Cavallaro, Morris Riedel, Helmut Neukirchen.
Facilitating efficient data analysis of remotely sensed images using standards-based Parameter Sweep models.
Presentation at at 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), July 23–28, 2017, Fort Worth, Texas, USA. IEEE, 2017.
Helmut Neukirchen.
Performance of Big Data versus High-Performance Computing: Some Observations.
Presentation at Clausthal-Göttingen International Workshop on Simulation Science, 27-28 April 2017, Göttingen, Germany.
Download
Shahbaz Memon, Dorothee Vallot, Thomas Zwinger, Helmut Neukirchen.
Coupling of a continuum ice sheet model and a discrete element calving model using a scientific workflow system.
Presentation by Shahbaz Memon at European Geosciences Union (EGU) General Assembly 2017 (session IE1.1/CR1.14/AS4.21/BG9.66 Atmosphere - Cryosphere interaction in the Arctic, high latitudes and mountains: Transport and deposition of aerosols, eScience and ensemble methods), Vienna, Austria, 27 April 2017.

2016

Helmut Neukirchen.
Supercomputing versus Big Data processing -- What's the difference?Presentation at Science Day, Saturday October 29 2016, University of Iceland.
Download
Helmut Neukirchen.
Introducing University of Iceland members and natural hazards in Iceland.Presentation for 2nd MC Meeting, COST Action CA15127 Association Resilient communication services protecting end-user applications from disaster-based failures (RECODIS), Sept. 12/13 2016, Halmstad, Sweden.
Download

2014

Helmut Neukirchen.
Software Engineering and Distributed Systems.Inaugural lecture as Full Professor, 19.11.2014, University of Iceland,
Download

2013

Helmut Neukirchen.
Distributed Testing of Cloud Computing Applications Using the TTCN-3-based
Jata Test Framework.
2nd Nordic Symposium on Cloud Computing & Internet Technologies (NordiCloud 2013) 2-3 September 2013 in Oslo, Norway.
Helmut Neukirchen.
Distributed Testing of Cloud Computing Applications Using the TTCN-3-based
Jata Test Framework.
Computing Science Colloquium at University of Göttingen, August 22 2013, Göttingen, Germany.
Helmut Neukirchen.
Synchronous Refactoring of UML Diagrams and Models Using Model-to-Model Transformations.Computing Sciences seminar at University of Iceland, January 23 2013, Reykjavik, Iceland.
Download

2012

Hafsteinn Þór Einarsson, Helmut Neukirchen.
An Approach and Tool for Synchronous Refactoring of UML Diagrams and Models Using Model-to-Model Transformations.5th Workshop on Refactoring Tools co-located with ICSE 2012, June 1 2012 in Rapperswil, Switzerland.
Download
Helmut Neukirchen.
Cloud computing and the MapReduce paradigm.Computing Sciences seminar at University of Iceland, March 26 2012, Reykjavik, Iceland.
Download

2011

Helmut Neukirchen.
Practical Cloud Evaluation from a Nordic eScience User Perspective.Applications and Methods of High-Performance Computing, April 28 2011, Reykjavik, Iceland.
Download

2010

Helmut Neukirchen.
Testing Distributed and Parallel Systems.Mini-symposium "Real-Time Access and Processing of Large Data Sets" at Para 2010: State of the Art in Scientific and Parallel Computing, June 8 2010, Reykjavik, Iceland.

2009

Helmut Neukirchen.
The Testing and Test Control Notation version 3 (TTCN-3). Meeting of Icelandic professional software testers (faghópur um hugbúnaðarprófanir), November 24 2009, Reykjavik, Iceland.
Download

2008

Helmut Neukirchen, Philip Makedonski, Jens Grabowski, Benjamin Zeiss.
Equivalence Checking of Test Case Behavior. TTCN-3 User Conference 2008 (T3UC), June 3-6 2008, Madrid, Spain.
Helmut Neukirchen.
Quality Assurance for TTCN-3 Test Specifications. Software Testing Day at Tampere University of Technology (Testauspäivä TTY) 2008, Finland, March 26, 2008.
Download

2007

Jens Grabowski, Helmut Neukirchen, Ina Schieferdecker, Diana Vega, Benjamin Zeiss.
An ISO 9126-based Quality Model to Assess the Quality of TTCN-3 Test Specifications. TTCN-3 User Conference 2007 (T3UC), 29 May-1 June 2007, Stockholm, Sweden.
Martin Bisanz, Jens Grabowski, Helmut Neukirchen, Benjamin Zeiss.
"Bad Smells" in TTCN-3 Test Suites. TTCN-3 User Conference 2007 (T3UC), 29 May-1 June 2007, Stockholm, Sweden.
Helmut Neukirchen.
Pattern-Based Quality Assessment of TTCN-3 Test Suites. Software & Systems Quality Conferences 2007 International (ICSTEST), 25th--27th April 2007, Düsseldorf, Germany.
Download

2006

Helmut Neukirchen.
Quality Assurance of TTCN-3 Test Suites. Universität Osnabrück, November 2006.
Download
Paul Baker, Dominic Evans, Jens Grabowski, Helmut Neukirchen, Benjamin Zeiss.
TRex: An Eclipse plug-in tool for TTCN-3 Editing, Refactoring, and Metrics. Proceedings of 'The TTCN-3 User Conference 2006' (T3UC), 31 May - 02 June 2006, Berlin, Germany.
Download

Interviews and Other Appearances and Publications in Non-Scientific Media

2013

Helmut Neukirchen.
Ungewohnt viele ältere Studierende. (in German language) Short statement within title story "Die Zukunft sieht anders aus" in: duz MAGAZIN, Unabhängige Deutsche Universitätszeitung, ISSN 1613-1290, Nr. 05/2013, p. 16, 26. April 2013.
Download

2012

Helmut Neukirchen.
Der Wettbewerb ist härter geworden. (in German language) Interview in: duz Europa, Unabhängige Deutsche Universitätszeitung, ISSN 1869-7402, Nr. 07/2012, p. 35, 7 September 2012.
Download