Research of Jens Mache

My publications include:

Distributed Systems

• Sensor Networks & Ubiquitous Computing
  • Jens Mache, Benjamin Perkins and William Watson, Localization in Wireless Sensor Networks With Anchors Transmitting at Multiple Power Levels, Proceedings of the International Conference on Wireless Networks (ICWN), 2010

  • Samuel Bock and Jens Mache, Towards Contour Tracking with Wireless Sensor Networks, Proceedings of the Oregon Academy of Science, 2010

  • Travis Mandel and Jens Mache, Investigating CRC Polynomials that Correct Burst Errors, Proceedings of the International Conference on Wireless Networks (ICWN), 2009

  • Travis Mandel and Jens Mache, Selected CRC Polynomials Can Correct Errors and Thus Reduce Retransmission , International Conference on Distributed Computing in Sensor Systems (DCOSS), Workshop on Information Theory for Sensor Networks (WITS), 2009

  • Damon Tyman, Nirupama Bulusu, and Jens Mache, An Activity-Based Sensor Network Course for Undergraduates With SunSPOT Devices, Proceedings of ACM SigCSE, 2009

  • Damon Tyman, Akshay Dua, Jens Mache, and Nirupama Bulusu, Contour Tracking: A Comprehensive Student Project for Sensor Network Education, Proceedings of ACM SIGCOMM, 2008

  • Jens Mache, Samuel Bock, James Elwell, Dennis Gosnell, Travis Mandel, Jonathan Perry-Houts, Sensor Network Security: Elliptic-Curve Cryptography on SunSPOTs, Proceedings of the International Conference on Wireless Networks (ICWN), 2008

  • Jens Mache, Chieh-Yih Wan, and Mark Yarvis, Exploiting Heterogeneity for Sensor Network Security, Proceedings of IEEE SECON, 2008

  • Jens Mache, Nirupama Bulusu, and Damon Tyman, Making Sensor Networks Accessible to Undergraduates Through Activity-Based Laboratory Materials, Proceedings of IEEE SECON, 2008

  • Jens Mache, Nirupama Bulusu, and Damon Tyman, Sensor Network Lab Exercises Using Java and SunSPOTs, poster at ACM SIGCSE , 2008

  • Sam Stigler and Jens Mache, Web 2.0 and User-Friendly Interfaces for Wireless Sensor Networks and the Internet of Things, Proceedings of the Oregon Academy of Science, 2008

  • Jens Mache, Elgin Dean, and Kevin Imber, Sensor Network Lab Exercises Using TinyOS and MicaZ Motes, Part II, Proceedings of the International Conference on Wireless Networks (ICWN), 2007

  • Jens Mache and Chris Allick, The Cost of Preserving Privacy: Performance Measurements of RFID Pseudonym Protocols, Proceedings of the IEEE International Conference on Availability, Reliability and Security (ARES), 2007

  • Chieh-Yih Wan, Mark Yarvis, and Jens Mache, A Lightweight Key Distribution and Management Method for Sensor Networks, patent pending, filed May 2007

  • Jens Mache, Chris Allick, John Charnas, Alex Hickman, and Damon Tyman, Sensor Network Lab Exercises Using TinyOS and MicaZ Motes, Proceedings of the International Conference on Pervasive Systems and Computing (PSC), 2006

• Network Security
  • Richard Weiss and Jens Mache, Teaching Security Labs with Web Applications, Buffer Overflows and Firewall Configurations, Consortium for Computing Sciences in Colleges - Northwestern Conference (CCSC-NW), 2011

  • Remy Neymarc and Jens Mache, Google Hacking and Effective Defenses , Proceedings of the Oregon Academy of Science, 2010

  • Dennis Gosnell and Jens Mache, The Good and Bad of a Cyberwar Exercise in an Internet Security Course, Proceedings of the Oregon Academy of Science, 2008

  • Jens Mache, Damon Tyman, Andre Pinter and Chris Allick, Performance Implications of Using VPN Technology for Cluster Integration and Grid Computing, Proceedings of the IEEE International Conference on Networking and Services (ICNS), 2006

  • Jens Mache, Damon Tyman, Andre Pinter and Chris Allick, Parallelizing OpenVPN for High-Bandwidth Cluster Integration, Proceedings of SC|05 - 18th ACM/ IEEE Conference for High-Performance Computing, Networking and Storage, 2005

  • Jens Mache and Tim Likarish, Performance Evaluation of Browser-Based SSL VPN Gateways, Proceedings of the International Conference on Internet Computing (ICOMP'05), 2005

  • Tim Likarish and Jens Mache, Analysis of Pictures People Select as Graphical Passwords, Proceedings of the Oregon Academy of Science, 2005

  • Amy Apon, Kurt Landrus, Jens Mache and Kathryn Huxtable, Using Shibboleth to Manage Access Control to Remote Cluster Computing Resources, Proceedings of SC2004 - 17th ACM/ IEEE High-Performance Computing, Networking and Storage Conference, 2004

  • Tim Likarish, Eric Anholt, Biljana Risteska, Valentina Grigoreanu, Jens Mache and Chris Stevens, How Mature are Clientless SSL VPN?, poster at the 13th USENIX Security Symposium, 2004

  • Jens Mache, Jason Gimba and Thierry Lopez, Dynamic Partitioning for High-Speed Network Intrusion Detection, Proceedings of SC2003 - 16th ACM/ IEEE Conference on High-Performance Networking and Computing, 2003

• Peer-to-Peer / Next-Generation Internet,
  • Scott A. Wallace, Jens Mache, Monzur Muhammad and Justin Cappos, Hands-on Internet with Seattle's Distributed Platform, Consortium for Computing Sciences in Colleges - Northwestern Conference (CCSC-NW), 2011

  • Jens Mache, Eric Anholt, Valentina Grigoreanu, Tim Likarish and Biljana Risteska, Look-Ahead Routing Reduces Wrong Turns in Freenet-style Peer-to-Peer Systems Proceedings of the 38th Hawaii International Conference on System Sciences (HICSS), 2005

  • Jens Mache and Jeff Lesh, Look-Ahead Improves the Routing in Freenet-style Peer-to-Peer Systems, Proceedings of the International Conference on Internet Computing (IC'04), 2004

  • Jens Mache, David Ely, Melanie Gilbert, Jason Gimba, Thierry Lopez and Matt Wilkinson, Modifying the Overlay Network of Freenet-style Peer-to-Peer Systems after Successful Request Queries, Proceedings of the 37th Hawaii International Conference on System Sciences (HICSS) (Peer-to-Peer Ecommerce Systems and Applications Minitrack), 2004

  • David Ely and Jens Mache, The "Bread-Crumb" Algorithms: Improving the Performance of Freenet-style Peer-to-Peer Systems, Proceedings of the Oregon Academy of Science, 2004

  • Jens Mache and Jeff Lesh, Simulated Annealing and Request Algorithms for Freenet-style Peer-to-Peer Systems, Proceedings of the International Conference on Internet Computing (IC'03), 2003

  • Jens Mache, Melanie Gilbert, Jason Guchereau, Jeff Lesh, Felix Ramli and Matt Wilkinson, Request Algorithms in Freenet-style Peer-to-Peer Systems, Proceedings of the 2nd IEEE International Conference on Peer-to-Peer Computing (P2P2002), 2002

  • Paul Thomas and Jens Mache, Evaluating the Performance of Peer-to-Peer Systems , Proceedings of the Oregon Academy of Science, 2002

• Parallelism, Cluster and Grid Computing
  • Christopher T. Mitchell, Jens Mache and Karen L. Karavanic, Learning CUDA: Lab Exercises and Experiences, part 2, ACM SPLASH/ OOPSLA, 2011

  • Christopher T. Mitchell, Jonathan Grochowski, Julian H. Dale, Nicolas B. Wilson, and Jens Mache, Parallelizing Tompa’s Exact Algorithm for Finding Short Motifs in DNA, PDPTA, 2011

  • Nate Anderson, Jens Mache and William Watson, Learning CUDA: Lab Exercises and Experiences, ACM SPLASH/ OOPSLA, 2010

  • David Bunde and Jens Mache, Teaching concurrency beyond HPC, Workshop on Curricula in Concurrency and Parallelism, OOPSLA, 2009

  • J. Mache, A. Apon, T. Feilhauer and B. Wilkinson, Grid Computing at the Undergraduate Level: Can We Do It?, panel at ACM SIGCSE, 2008

  • Jens Mache and Amy Apon, Teaching Grid Computing: Topics, Exercises, and Experiences, IEEE Transactions on Education, 2007

  • Jens Mache, Hands-on grid computing with Globus Toolkit 4, Journal of Computing Sciences in Colleges, 2006

  • Jens Mache, Chris Allick, Andre Pinter and Damon Tyman, Grid Computing Communication Strategies for Cross Cluster Job Execution, Proceedings of the International Joint Conferences on Computer, Information, and Systems Sciences, and Engineering, 2005

  • Jens Mache and Amy Apon, Grid Computing in the Undergraduate Classroom: Topics, Exercises and Experiences, Proceedings of the 5th IEEE/ ACM International Symposium on Cluster Computing and the Grid (CCGrid), 2005

  • Amy Apon, Jens Mache, Kurt Landrus, and Yuriko Yara, Classroom Exercises for Grid Services, Proceedings of the 5th International Conference on Linux Clusters: The HPC Revolution, 2004

  • Amy Apon, Jens Mache, Rajkumar Buyya, and Hai Jin, Cluster Computing in the Classroom and Integration with Computing Curricula 2001, IEEE Transactions on Education, May 2004

  • Dale Thompson, Amy Apon, Yuriko Yara, Jens Mache and Russ Deaton, Training a Grid Workforce, poster at the Oklahoma Supercomputing Symposium, 2003

  • Amy Apon, Rajkumar Buyya, Hai Jin, and Jens Mache, Cluster Computing in the Classroom: Topics, Guidelines, and Experiences, Proceedings of the First IEEE/ ACM International Symposium on Cluster Computing and the Grid (CCGrid), 2001

  • Joshua Bower-Cooley and Jens Mache, Harnessing the Power of Networked PCs to Speed-up Computer Graphics , Proceedings of the Oregon Academy of Science, 2001

  • Jens Mache, Robert Broadhurst and Jeff Ely, Ray Tracing on Cluster Computers, Proceedings of the International Workshop on Cluster Computing - Technologies, Environments, and Applications, PDPTA'2000, 2000

  • Jens Mache, An Assessment of Gigabit Ethernet as Cluster Interconnect, Proceedings of the First IEEE International Workshop on Cluster Computing, IWCC'99, 1999

• Storage and File Systems
  • Jens Mache and Sharad Garg, Peer-to-Peer Lessons for Cluster File Systems , Proceedings of the International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA2003), 2003

  • Jens Mache, Joshua Bower-Cooley, Robert Broadhurst, Jennifer Cranfill and Clark Kirkman IV, A Sensitivity Study of Parallel I/O under PVFS, In Christophe Cerin and Hai Jin, editors, Parallel I/O for Cluster Computing, chapter 3, pages 93 - 105, Special Issue of Journal Calculateurs Paralleles, Stylus Publishing, 2003

  • Jason Guchereau and Jens Mache, Performance and Robustness of Distributed File Systems , Proceedings of the Oregon Academy of Science, 2003

  • Jens Mache, Melanie Gilbert, Jason Guchereau, Jeff Lesh, Felix Ramli, Matt Wilkinson and Sharad Garg, What Cluster File Systems can Learn from Peer-to-Peer Systems, Proceedings of SC2002 - 15th ACM/ IEEE Conference on High-Performance Networking and Computing, 2002

  • Jens Mache, Joshua Bower-Cooley, Jason Guchereau, Paul Thomas and Matt Wilkinson, Cost-Effective High-Performance Disk Access on PC Clusters with Commodity IDE Disks, Proceedings of the 6th International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA), 2002

  • Jens Mache, Joshua Bower-Cooley, Jason Guchereau, Paul Thomas and Matt Wilkinson, How to achieve 1 GByte/sec I/O throughput with commodity IDE disks, Proceedings of SC2001 - 14th ACM/ IEEE Conference on High-Performance Networking and Computing, 2001

  • Sharad Garg and Jens Mache, Performance Evaluation of Parallel File Systems for PC Clusters and ASCI Red, Proceedings of the 3rd IEEE International Conference on Cluster Computing (CLUSTER'01), 2001

  • Jens Mache, Joshua Bower-Cooley, Robert Broadhurst, Jennifer Cranfill and Clark Kirkman IV, Parallel I/O Performance of PC Clusters, Proceedings of the 10th SIAM Conference on Parallel Processing for Scientific Computing (PP01), 2001

  • Jens Mache, Joshua Bower-Cooley, Robert Broadhurst, Jennifer Cranfill and Clark Kirkman IV, Evaluating a Parallel File System for PC Clusters, poster at the IEEE International Conference on Cluster Computing (CLUSTER2000), 2000

• Distributed Applications
  • Erich Hannan and Jens Mache, Web Programming: The Lewis and Clark Commuter Computer, Proceedings of the Inaugural Conference of the Consortium for Computing in Small Colleges, CCSC-NW'99, 1999

Resource Management

• Jens Mache, Virginia Lo and Sharad Garg, The Impact of Spatial Layout of Jobs on I/O Hotspots in Mesh Networks , Journal of Parallel and Distributed Computing, Volume 65, Issue 10, pages 1190-1203, October 2005

• David Bunde, Vitus Leung and Jens Mache, Communication Patterns and Allocation Strategies, Proceedings of the 18th IEEE International Parallel and Distributed Processing Symposium (Workshop on Performance Modeling, Evaluation and Optimizations), 2004

• Virginia Lo and Jens Mache, Job Scheduling for Prime Time vs. Non-Prime Time, Proceedings of the 4th IEEE International Conference on Cluster Computing (CLUSTER 2002), 2002

• Jens Mache, Virginia Lo and Sharad Garg, Job Scheduling that Minimizes Network Contention due to both Communication and I/O, Proceedings of the 14th International Parallel and Distributed Processing Symposium, IPDPS'00 (formerly IPPS&SPDP), 2000

• Jens Mache, Virginia Lo and Sharad Garg, How to Schedule Parallel I/O Intensive Jobs, Proceedings of the 6th Conference on Parallel and Real-Time Systems, PART'99, 1999

• Jens Mache, Virginia Lo and Sharad Garg, Parallel I/O Traffic Calls for New Job Scheduling Strategies, Proceedings of SC99 - 12th ACM/ IEEE Conference on High-Performance Networking and Computing, 1999

• Jens Mache, Virginia Lo, Marilynn Livingston and Sharad Garg, The Impact of Spatial Layout of Jobs on Parallel I/O Performance, Proceedings of the 6th Workshop on I/O in Parallel and Distributed Systems, FCRC'99, 1999

• Vimala Appaya, Drina Guzman, J. B. Lin, Virginia Lo, Jens Mache and W. Zhu, An Analysis of the Production Parallel Workload on the NASA Ames IBM SP/2 and the KFA Cray T3E, Technical Report CIS-TR-98-13, University of Oregon, 1998

• Virginia Lo, Jens Mache and Kurt Windisch, A Comparative Study of Real Workload Traces and Synthetic Workload Models for Parallel Job Scheduling, Proceedings of the 4th Workshop on Job Scheduling Strategies for Parallel Processing, IPPS '98, also published in "Job Scheduling Strategies for Parallel Processing" edited by Dror G. Feitelson and Larry Rudolph, Springer-Verlag LNCS Vol 1459, 1998

• Jens Mache, Virginia Lo and Kurt Windisch, Minimizing Message-Passing Contention in Fragmentation-Free Processor Allocation, Proceedings of the 10th International Conference on Parallel and Distributed Computing Systems, p. 120-124, 1997

• Jens Mache, Virginia Lo and Kurt Windisch, Design and Performance Evaluation of MC, a High-Performance Processor Allocation Strategy, Technical Report CIS-TR-97-07, University of Oregon, 1997

• Jens Mache and Virginia Lo, The Effects of Dispersal on Message-Passing Contention in Processor Allocation Strategies, Proceedings of the Third Joint Conference on Information Sciences, Sessions on Parallel and Distributed Processing, Volume 3, p. 223-226, 1997

• Jens Mache and Virginia Lo, Dispersal Metrics for Non-Contiguous Processor Allocation, Technical Report CIS-TR-96-13, University of Oregon, 1996

Miscellaneous

• Christopher T. Mitchell and Jens Mache, Making Database Access More Object-Oriented with the Active Record Pattern, Proceedings of the Oregon Academy of Science, 2011

• Virginia Lo, Jens Mache, et. al, Internationalization of Computer Science Education: the Pacific Rim Community Model, poster at ACM SigCSE, 2009

• David Gekiere and Jens Mache, Implementing Protected Task Switching and Memory Management on Intel's 32-bit Architecture, Proceedings of the Oregon Academy of Science, 2000

• Jens Mache and Gene Stringer, Training Artificial Neural Networks to Predict the 3-5 MeV Relativistic Electron Flux at Geosynchronous Orbit, Proceedings of the Oregon Academy of Science, 1994

I was a member of the Resource Allocation research group led by my former advisor, Virginia Lo.
I also was a Research Assistant with the Paraducks group, working on TAU ( Tuning and Analysis Tools ) and pC++/ Sage++.