Publication profile

Thor Kristoffersen

Name:	Thor Kristoffersen
Title:	Seniorforsker / Senior Research Scientist
Phone:	(+47) +47 22 85 25 88
Email:	thor [at] nr [dot] no
Scientific areas:	Visual systems, Distribution systems
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Academic article

2021

Rummelhoff, Ivar; Gutiérrez, Eladio; Kristoffersen, Thor O.; Liabø, Ole; Østvold, Bjarte Mayanja; Plata, Oscar; Romero, Sergio. An Abstract Machine Approach to Preserving Digital Information. IEEE Access (ISSN 2169-3536). 9 pp 154914-154932. doi: 10.1109/ACCESS.2021.3128382. 2021.

2016

Andrade, Daniel; Kristoffersen, Thor O.; Rummelhoff, Ivar; Gerdov, Alex; Silva, Joao Nuno. Thwarting data exfiltration by repackaged applications. Symposium on Reliable Distributed Systems. Proceedings (ISSN 1060-9857). 2016-October pp 43-48. doi: 10.1109/SRDSW.2016.18. 2016.

2010

Solberg, Rune; Wangensteen, Bjørn; Kristoffersen, Thor; Killie, Mari Anne; Breivik, Lars-Anders; Godøy, Øystein Arne; Klein, Heiko; Eastwood, Steinar; Andreassen, Liss Marie; Winsvold, Solveig H.; König, Max. First Results from the CryoClim System for Cryospheric Climate Monitoring. Ukjent 2010. Fulltekst

2009

Holmqvist, Knut; Halbach, Till; Kristoffersen, Thor. Virtualization as a Strategy for Maintaining Future Access to Multimedia Content. Ukjent 2009. Fulltekst

2004

Abie, Habtamu; Aredo, Demissie; Kristoffersen, Thor; Mazaher, Shahrzade; Raguin, T. Integrating a security requirement language with UML. Lecture Notes in Computer Science (LNCS) (ISSN 0302-9743). 3273 pp 350-364. doi: 10.1007/978-3-540-30187-5_25. 2004. Fulltekst

2003

Kristoffersen, Thor; Hagalisletto, Anders Moen; Hansen, Hallstein Asheim. Extracting high-level information from Petri nets: a railroad case. Proceedings of the Estonian Academy of Sciences : Physics, Mathematics (ISSN 1406-0086). 52(4) pp 378-393. 2003. Fulltekst

2002

Aarhus, Lars Thore; Hegna, Håvard; Kristoffersen, Thor; Leister, Wolfgang; Moen, Anders; Østvold, Bjarte M.. Streamed multimedia presentation for low-bandwidth mobile terminals: A virtual machine approach. World Wireless Congress (ISSN 1529-2592). 3Gwireless'2002 2002. Fulltekst

Kristoffersen, Thor; Moen, Anders; Hansen, Hallstein Asheim. Simulating the Oslo subway by hierarchic, coloured, object-oriented, timed Petri Nets with viewpoints. Ukjent 2002. Fulltekst

Academic chapter/article/Conference paper

2006

Kristoffersen, Thor; Boudko, Svetlana. Simplified Workflow Management with Metadata-Enhanced Petri Nets. In: Proceedings of the 2006 IEEE International Conference on Systems, Man, and Cybernetics. (ISBN 1-4244-0100-3). pp 2729-2735. 2006. Omtale

2002

Aarhus, Lars Thore; Holmqvist, Knut; Kirkengen, Martin; Kristoffersen, Thor. Generalized Two-Tier relevance filtering of compute game update events. In: Proceedings of the 1st Workshop on Network and System Support for Games, NETGAMES 2002. (ISBN 1-58113-493-2). pp 10-13. 2002.

Leister, Wolfgang; Hegna, Håvard; Kristoffersen, Thor; Aarhus, Lars Thore; Moen, Anders; Østvold, Bjarte M.. Multimedia-Präsentationen auf persönlichen digitalen Assistenten mit geringer Übertragungsrate. In: Simulation und Visualisierung 2002. (ISBN 1-56555-234-2). pp 147-159. 2002. Fulltekst

Academic lecture

2011

Solberg, Rune; Kristoffersen, Thor; Salberg, Arnt Børre; Rudjord, Øystein; Killie, Mari Anne; Breivik, Lars-Anders; Godøy, Øystein; Andreassen, Liss Marie; Winsvold, Solveig; König, Max. The CryoClim system for cryospheric climate monitoring. Nordic Remote Sensing Days, 8/30/2011 - 8/31/2011. Fulltekst

2002

Hagalisletto, Anders Moen; Kristoffersen, Thor; Owe, Olaf. A high Level Formal Language for Specifying Security Properties. 14th Nordic Workshop in Programming theory; Tallin, Estonia, 11/20/2002 - 11/22/2002. Fulltekst

Kristoffersen, Thor; Hagalisletto, Anders Moen; Hansen, Hallstein Asheim. Simulating the Oslo Subway by Hierarchic Coloured, Object-oriented timed Petri Nets with viewpoints. 14th Nordic Workshop on Programming Theory; Tallin, Estonia, 11/20/2002 - 11/22/2002.

Report

2022

Stolpe, Audun; Kristoffersen, Thor O.. LegalTech. Norsk Regnesentral. NR-notat DART/25/22. pp 33. 2022.

Kristoffersen, Thor O.; Rummelhoff, Ivar. Operational Risk: Future Directions in Security, Resilience and Maturity. Norsk Regnesentral. NR-notat DART/24/22. pp 26. 2022.

Kristoffersen, Thor O.; Stolpe, Audun; Østvold, Bjarte M.. Automatiserte prosesser innen regnskap, revisjon og finans. Norsk Regnesentral. NR-notat DART/01/22. pp 22. 2022.

Stolpe, Audun; Kristoffersen, Thor O.; Østvold, Bjarte M.. Automatisering av bærekraftsrevisjon. Norsk Regnesentral. NR-notat DART/26/22. pp 25. 2022.

Kristoffersen, Thor O.; Rummelhoff, Ivar. Preservation of decommissioned IT systems: Strategies, technologies, and state of the art. Norsk Regnesentral. NR-notat DART/08/22. pp 28. 2022.

Haugen, Bjørn K; Schulz, Trenton; Leister, Wolfgang; Kristoffersen, Thor O.. SoundVision – User Evaluation Report from Norway. Norsk Regnesentral. NR-notat DART/07/22. pp 27. 2022.

Leister, Wolfgang; Kristoffersen, Thor O.; Schulz, Trenton. SoundVision D4.4: Indoor Navigation and Location Finder. Norsk Regnesentral. NR-notat DART/05/22. pp 31. 2022.

2021

Kristoffersen, Thor O.; Simon-Liedtke, Joschua Thomas; Leister, Wolfgang. Research Challenges in SSI in Secured Digital Infrastructures. Norsk Regnesentral. NR-notat ICT Research/01/21. pp 37. 2021.

2018

Leister, Wolfgang; Aursand, Peder; Kristoffersen, Thor O.; Ravneberg, Bodil; Øvsthus, Knut. Sluttrapport: Robotdusj som et løft i offentlig sektor. Norsk Regnesentral. NR-notat DART/01/2018. pp 51. 2018.

2017

Leister, Wolfgang; Boudko, Svetlana; Kristoffersen, Thor O.. EHRPathways D4.5: Final Report of WP4. Norsk Regnesentral. NR-notat DART/06/2017. pp 45. 2017.

Kristoffersen, Thor O.. EHRpathways - Deliverable D4.2: Workflow Support for EHR Systems. Norsk Regnesentral. NR-notat DART/05/2017. pp 33. 2017.

Kristoffersen, Thor O.. Roadmap for Real-Time Web and the Internet of Things. Norsk Regnesentral. NR-notat DART/08/2017. pp 13. 2017.

Eskeland, Sigurd; Kristoffersen, Thor O.. Security analysis of an end-to-end encryption protocol. Norsk Regnesentral. NR-notat DART/16/2017. pp 11. 2017.

Leister, Wolfgang; Tjøstheim, Ingvar; Kristoffersen, Thor O.; Halbach, Till; Boudko, Svetlana; Bai, Aleksander; Aursand, Peder. The Project GB-MULTE-2016/17 - Final Report. Norsk Regnesentral. NR-notat DART/20/2017. pp 21. 2017.

2016

Kristoffersen, Thor O.; Mork, Heidi Camilla. EHR Pathways as Petri Nets - Version 1. Norsk Regnesentral. NR-notat DART/14/2016. 2016.

Kristoffersen, Thor O.; Østvold, Bjarte M.; Rummelhoff, Ivar. PCAS Deliverable D8.1: Security Evaluation – Communication. Norsk Regnesentral. pp 52. 2016.

Rummelhoff, Ivar; Kristoffersen, Thor O.. PCAS Deliverable D6.4: Secured Trusted Gateway (STG). Norsk Regnesentral. pp 38. 2016.

Kristoffersen, Thor O.; Rummelhoff, Ivar. PCAS Deliverable D6.3: Security evaluation of STG and communications. Norsk Regnesentral. pp 27. 2016.

Kurt, Schmid; van der Leest, Vincent; Kristoffersen, Thor O.; Oussama, Renuli; Christoph, Endres. Deliverable D6.1: Demonstration activities -- HighTrustWallet FP7-SME-2013-605960. Norsk Regnesentral. pp 13. 2016.

2015

Kristoffersen, Thor O.; Østvold, Bjarte M.. Deliverable D3.4: Test and Security and Privacy Risk Analysis -- HighTrustWallet FP7-SME-2013-605960. Norsk Regnesentral. pp 29. 2015.

Kristoffersen, Thor O.; Østvold, Bjarte M.. Deliverable D3.1: Protocol Security Design -- HighTrustWallet FP7-SME-2013-605960. Norsk Regnesentral. pp 19. 2015.

Kristoffersen, Thor O.. Deliverable D2.6: Security Evaluation Outcome -- HighTrustWallet FP7-SME-2013-605960. Norsk Regnesentral. pp 23. 2015.

Eskeland, Sigurd; Kristoffersen, Thor O.; Østvold, Bjarte M.. Deliverable D2.5: Prototype of Secure Software Element -- HighTrustWallet FP7-SME-2013-605960. Norsk Regnesentral. pp 36. 2015.

Kristoffersen, Thor O.; Skomedal, Åsmund; Nassie, Evyatar. PCAS Deliverable D6.1 STG and CE Architecture and Overall Design. Norsk Regnesentral. pp 44. 2015.

Kristoffersen, Thor O.; Hagalisletto, Moen Anders; Skomedal, Åsmund; Robisson, Bruno; Guerra, Javier; Ofek, David Mor; Nassie, Evyatar. PCAS Deliverable D2.4 Security Evaluation. Norsk Regnesentral. pp 81. 2015.

Rummelhoff, Ivar; Kristoffersen, Thor O.; Skomedal, Åsmund; Shani, Alex; Dagan, Omer; Gerdov, Alex. PCAS Deliverable D4.6 SPD Report on Data Encryption Mechanisms. OS New Horizon Ltd. pp 22. 2015.

Kristoffersen, Thor O.; Rummelhoff, Ivar; Andrade, Daniel; Nassie, Evyatar. PCAS Deliverable D6.2 IDM, Authentication, Access and Provisioning Service Design. Norsk Regnesentral. pp 44. 2015.

Leister, Wolfgang; Tjøstheim, Ingvar; Kristoffersen, Thor O.; Halbach, Till; Boudko, Svetlana; Bai, Aleksander; Mork, Heidi Camilla; Schulz, Trenton Wade. The Project GB-BOHEME-2014/15 -- Final Report. Norsk Regnesentral. NR-notat DART/09/2015. pp 34. 2015. Fulltekst

2014

Kristoffersen, Thor; Hagalisletto, Moen Anders; Skomedal, Åsmund; Østvold, Bjarte M.. PCAS Project Deliverable 2.3: Secure Communication Protocols and Services. Norsk Regnesentral. pp 35. 2014.

Gröne, Michael; Kristoffersen, Thor; Østvold, Bjarte M.; Torjusen, Arild Braathen; Hagalisletto, Moen Anders; Stüble, Christian. HighTrustWallet Deliverable D1.2: Security Requirements. Norsk Regnesentral. pp 27. 2014.

Østvold, Bjarte M.; Kristoffersen, Thor; Gröne, Michael. HighTrustWallet Deliverable D1.1: Project Handbook. Norsk Regnesentral. pp 12. 2014.

Andrade, Daniel; Silva, Joao Nuno; Gerdov, Alex; Kristoffersen, Thor; Nassie, Evyatar; Østvold, Bjarte M.; Shani, Alex. PCAS Project Deliverable D5.1: Smartphone/Desktop Software Architecture. INESC-ID. pp 59. 2014.

Kristoffersen, Thor; Østvold, Bjarte M.; Skomedal, Åsmund; Guerra, Javier; Andrade, Daniel; Gerdov, Alex; Mor Ofek, David; Nassie, Evyatar. PCAS Project Deliverable 2.2: Precise Architecture Model. Norsk Regnesentral. pp 82. 2014.

Kristoffersen, Thor; Nassie, Evyatar; Østvold, Bjarte M.. PCAS Project Deliverable 2.1: PCAS High-level Design. AFCON. pp 58. 2014.

2013

Leister, Wolfgang; Tjøstheim, Ingvar; Kristoffersen, Thor; Halbach, Till; Boudko, Svetlana. Smart Information Systems - Final report of the project GB-SMS-2012/2013. Norsk Regnesentral. NR-notat DART/13/2013. pp 31. 2013.

Røssvoll, Till Halbach; Kristoffersen, Thor. Sikkerhet i klientprogramvare. Norsk Regnesentral. NR-notat DART/05/2013. pp 25. 2013.

2012

Røe, Per; Arnesen, Ragni Ryvold; Danielsson, Jerker; Vestgården, Jørn Inge; Rivertz, Hans Jakob; Boudko, Svetlana; Kristoffersen, Thor. TrueGen 4.0 Design. Norsk Regnesentral. NR-notat DART/11/2012. pp 54. 2012.

Danielsson, Jerker; Vestgården, Jørn Inge; Røe, Per; Kristoffersen, Thor; Boudko, Svetlana. TrueGen 4.0 User Guide. Norsk Regnesentral. NR-notat DART/13/2012. pp 31. 2012.

Røe, Per; Vestgården, Jørn Inge; Kristoffersen, Thor. TrueGen 4.0 Developer’s Guide. Norsk Regnesentral. NR-notat DART/12/2012. pp 20. 2012.

Leister, Wolfgang; Karlsen, Edvard Kristoffer; Kristoffersen, Thor. Technical Note on the Hands-On 3D Project. Norsk Regnesentral. NR-notat DART/02/2012. pp 20. 2012.

Kristoffersen, Thor; Røe, Per. TrueGen Changelog. Norsk Regnesentral. NR-notat DART/10/2012. pp 8. 2012.

Kristoffersen, Thor. Universal Open Content Lifecycle Management. Norsk Regnesentral. NR-notat DART/18/2012. pp 29. 2012.

Kristoffersen, Thor. Acoustic GSM Modem Prototype. Norsk Regnesentral. NR-notat DART/04/2012. 2012.

2011

Kristoffersen, Thor. Open Content Lifecycle Management. Norsk Regnesentral. NR-notat DART/09/2011. pp 23. 2011.

2010

Kristoffersen, Thor; Strand, Lars Kristoffer; Groven, Arne-Kristian. Penetrasjonstesting av IP-telefoniløsningen i Buskerud fylkeskommune. Norsk Regnesentral. NR-notat DART/17/2010. pp 15. 2010.

2009

Abie, Habtamu; Vestgården, Jørn Inge; Kristoffersen, Thor; Novkovic, Milan. D.4.4 – Integration with JMS, Tibco’s, Reuters, and IBM’s MQ Series. GEMOM/NR/WP4//4.4/0.01/. pp 17. 2009.

2006

Østvold, Bjarte M.; Kristoffersen, Thor. Pre-study: software solutions for scheduling. Norsk Regnesentral. NR-notat DART/01/06. 2006.

2005

Østvold, Bjarte M.; Kristoffersen, Thor. Analysis of object-oriented programs: a survey. Norsk Regnesentral. NR-notat DART/11/05. pp 15. 2005. Fulltekst

Danielsson, Jerker; Groven, Arne-Kristian; Kristoffersen, Thor; Rivertz, Hans Jakob; Skomedal, Åsmund. Elektroniske spor. 1008. (ISBN 978-82-53-90516-7) pp 65. 2005.

2004

Aredo, Demissie; Arnesen, Ragni Ryvold; Groven, Arne-Kristian; Kristoffersen, Thor. Experiences from Participation in EU-projects: HARP, CORAS, CASENET. Norsk Regnesentral. pp 14. 2004.

Kristoffersen, Thor; Vestgården, Jørn Inge; Rivertz, Hans Jakob. Design and Implementation of the Channel-S Streaming System. Norsk Regnesentral. NR-notat DART/07/04. pp 22. 2004.

Kristoffersen, Thor. The CHECKIN Project-Final Report. Norsk Regnesentral. NR-notat DART/09/04. pp 29. 2004.

2003

Kristoffersen, Thor; Mazaher, Shahrzade. Specification and Design Methodologies. Deliverable D2.2. CASENET/WP2/D2.2. 2003.

Kristoffersen, Thor; Mazaher, Shahrzade. User Trial Progress Report. Deliverable D5.2. CASENET/WP5/D5.2. 2003.

2002

Aarhus, Lars Thore; Holmqvist, Knut; Kirkengen, Martin; Kristoffersen, Thor. Generalized two-tier relevance filtering of computer game update events. Norsk Regnesentral. NR-notat IMEDIA/05/02. pp 8. 2002.

Aarhus, Lars Thore; Kristoffersen, Thor; Leister, Wolfgang; Røe, Per; Østvold, Bjarte M.. MobileSLM pre-project - Development Report. Norsk Regnesentral. NR-notat DART/01/02. pp 37. 2002.

2001

Aarhus, Lars Thore; Hegna, Håvard; Kristoffersen, Thor; Leister, Wolfgang; Moen, Anders; Østvold, Bjarte M.. Streamed Multimedia Presentation for Low-Bandwidth Mobile Terminals: A Virtual Machine Approach. Norsk Regnesentral. NR-notat OMNI/07/01. pp 10. 2001.

Kristoffersen, Thor; Moen, Anders; Østvold, Bjarte M.. Form validation mechanism: Design relevant standards and technology. pp 19. 2001.

2000

Kristoffersen, Thor; Østvold, Bjarte M.. Design and Implementation of the Generic Multimedia Server Platform. Norsk Regnesentral. NR-notat OMNI/04/00. pp 75. 2000.

1999

Holmes, Peter; Kristoffersen, Steinar; Lunde, Thorstein; Larsen, Arve; Kristoffersen, Thor. Experiences with mobile application development within MOPAS. Norsk Regnesentral. NR-notat IMEDIA/07/99. pp 18. 1999. Fulltekst

1998

Kristoffersen, Thor. MOPAS checklist application architecture. Norsk Regnesentral. NR-notat IMEDIA/11/1998. pp 12. 1998.

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