Karl, H., &; Mengesha, S. (2001). Analysing capacity improvements in wireless networks by relaying. In Proc. of IEEE Intl. Conf. on Wireless LANs and Home Networks (pp. 339--348).

Quynh, T., Karl, H., Wolisz, A., &; Rebensburg, K. (2001). Relative jitter packet scheduling for differentiated services. In Proc. 9th IFIP Conf. Perf. Modeling and Eval. of ATM &; IP Networks.

Quynh, T. N., Karl, H., Wolisz, A., &; Rebensburg, K. (2001). The influence of proportional jitter and delay on end to end delay in differentiated service network. In Network Computing and Applications, 2001. NCA 2001. IEEE International Symposium on (pp. 354--357).

Karl, H., Polze, A., &; Werner, M. (2000). Predictable Network Computing using Message-driven Scheduling. In Proc. the Workshop on Run-Time Systems for Parallel Programming.

Karl, H. (1999). Towards Quality of Service for Parallel Computing: An Overview of the MILAN Project. In High-Performance Computing and Networking, 7th International Conference, HPCN Europe 1999, Amsterdam, The Netherlands, April 12-14, 1999, Proceedings (pp. 841--850).https://doi.org/10.1007/BFb0100644 

Karl, H. (1999). Coscheduling through Synchronized Scheduling Servers -- A Prototype and Experiments. In Parallel and Distributed Processing, 11 IPPS/SPDP’99 Workshops Held in Conjunction with the 13th International Parallel Processing Symposium and 10th Symposium on Parallel and Distributed Processing, San Juan, Puerto Rico, USA, April 12-16, 1999, Proceedings (pp. 1115--1129).https://doi.org/10.1007/BFb0097997 

Karl, H., Werner, M., &; Kuttner, L. (1998). An Experimental Investigation of Message Latencies in the Totem Protocol in the Presence of Faults. In 24th EUROMICRO ’98 Conference, Engineering Systems and Software for the Next Decade, 25-27 August 1998, Vesteras, Sweden (pp. 10468--10475).https://doi.org/10.1109/EURMIC.1998.711841 

Karl, H., &; Werner, M. (1998). An optimal checkpointing interval for real-time systems. In Proc. Intl. Conf. Parallel and Distributed Processing Techniques and Applications (pp. 604--612).

Dreier, B., Huber, A., Zahn, M., Karl, H., &; Ungerer, T. (1996). ReGTime - Rent Gigaflops someTimes. In Proceedings Trends in Distributed Systems.

Dreier, B., Huber, A., Karl, H., Ungerer, T., &; Zahn, M. (1996). ReGTime - Rent Gigaflops someTimes. In Trends in Distributed Systems: CORBA and Beyond, International Workshop TreDS ’96, Aachen, Germany, October 1-2, 1996, Proceedings (pp. 84--93).https://doi.org/10.1007/3-540-61842-2_28