Publications

Publications

Articles

[J1]   Newton Masinde and Kalman Graffi. Peer-to-Peer based Social Networks: A Comprehensive Survey. Accepted at Springer SN Computer Science, pages 1–37, 2020. Preprint available at arXiv:2001.02611 [cs:SI], https://arxiv.org/abs/2001.02611.

[J2]   Kalman Graffi and Andreas Disterhöft. SkyEye: A Tree-based Peer-to-Peer Monitoring Approach. Elsevier Computer Communications, Vol. 40, pages 593–610, 2017.

[J3]   Norbert Goebel, Tobias Krauthoff, Kalman Graffi and Martin Mauve. Moving Measurements: Measuring Network Characteristics of Mobile Cellular Networks on the Move. Elsevier Computer Communications, vol 97, pages 81–95, 2017.

[J4]   Barbara Guidi, Tobias Amft, Andrea De Salve, Kalman Graffi, and Laura Ricci. DiDuSoNet: A P2P Architecture for Distributed Dunbar-based Social Networks. Springer Peer-to-Peer Networking and Applications, vol 9(6), pages 1177–1194, 2016.

[J5]   Matthias Feldotto and Kalman Graffi. Systematic Evaluation of Peer-to-Peer Systems Using PeerfactSim.KOM. Wiley Concurrency and Computation: Practice and Experience, vol. 28(5), ISSN: 1532–0634, pages 1655–1677, 2016.

[J6]   Kalman Graffi. Decentralized Communication against Surveillance and Privacy Violation. it – Information Technology 2016, vol 58(2), pages 112–116, 2016.

[J7]   Parag S. Mogre, Kalman Graffi, Matthias Hollick, and Ralf Steinmetz. A Security Framework for Wireless Mesh Networks. Wiley Wireless Communications and Mobile Computing, vol. 11(3), pages 371–391, 2011.

[J8]   Kalman Graffi, Aleksandra Kovacevic, Patrick Mukherjee, Michael Benz, Christof Leng, Dirk Bradler, Julian Schröder-Bernhardi, and Nicolas Liebau. Peer-to-Peer-Forschung – Überblick und Herausforderungen. it – Information Technology (Methods and Applications of Informatics and Information Technology), 46(3), pages 272–279, 2007.

Patents

[Patent]   Parag S. Mogre, Kalman Graffi, Matthias Hollick, and Andreas Ziller. Method for Misbehaviour Detection in Secure Wireless Mesh Networks, Patent Numbers: CN101796861B, EP2034782A1, EP2198641A1, EP2198641B1, US20100180113, WO2009030693A1, 2010.

Reviewed conference and workshop papers

[1]   Ahmad Cheraghi, Karol Atun, Sahdia Shahzad and Kalman Graffi. Swarm-Sim: A 2D & 3D Simulation Core for Swarm Agents. In ICRE ’20: Proceedings of the International Conference on Robotics and Control Engineering, pages 1–9, 2020

[2]   Ahmad Cheraghi, Jochen Peters and Kalman Graffi. Prevention of Ant Mills in Pheromone based Swarm Algorithms. In ICRE ’20: Proceedings of the International Conference on Robotics and Control Engineering, pages 1–8, 2020

[3]   Ahmad Cheraghi, Abdelrahman Abdelgalil and Kalman Graffi. Universal 2-Dimensional Terrain Marking for Autonomous Robot Swarms. In ACIRS ’20: Proceedings of the Asia-Pacific Conference on Intelligent Robot Systems, pages 1–9, 2020

[4]   Ahmad Cheraghi, Fabio Schlösser Vila and Kalman Graffi. Phototactic Movement of Battery-Powered and Self-Charging Robot Swarms. In ACIRS ’20: Proceedings of the Asia-Pacific Conference on Intelligent Robot Systems, pages 1–7, 2020

[5]   Ahmad Cheraghi, Julian Zenz and Kalman Graffi. Opportunistic Network Behavior in Swarms: Passing Messages to Destination. In ACIRS ’20: Proceedings of the Asia-Pacific Conference on Intelligent Robot Systems, pages 1–7, 2020

[6]   Ahmad Cheraghi and Kalman Graffi. A Leader-based Coating Algorithm for Simple and Cave Shaped Objects with Robot Swarms. In ACIRS ’20: Proceedings of the Asia-Pacific Conference on Intelligent Robot Systems, pages 1–9, 2020

[7]   Ahmad Cheraghi, Gorden Wunderlich and Kalman Graffi. General Coating of Arbitrary Objects Using Robot Swarms. In ACIRS ’20: Proceedings of the Asia-Pacific Conference on Intelligent Robot Systems, pages 1–9, 2020

[8]   Ahmad Cheraghi, Asma Ben Janete and Kalman Graffi. Robot Swarm Flocking on a 2D Triangular Graph. In ACIRS ’20: Proceedings of the Asia-Pacific Conference on Intelligent Robot Systems, pages 1–9, 2020

[9]   Newton Masinde, Moritz Kanzler and Kalman Graffi. Caching Structures for Distributed Data Management in P2P-based Social Networks. In ISNCC ’20: Proceedings of the International Symposium on Networks, Computers and Communications, pages 1–10, 2020

[10]   Ahmad Rabay’a and Kalman Graffi. Implementing Enterprise Resource Planning Systems in the Cloud: Challenges and Solutions. In ISNCC ’19: Proceedings of the International Symposium on Networks, Computers and Communications, pages 1–8, 2019

[11]   Raphael Bialon and Kalman Graffi. Congestion Control for Epidemic Routing in Opportunistic Networks. In iThings/GreenCom/CPSCom/SmartData 2019: Proceedings of the 2019 International Conference on Internet of Things (iThings) and IEEE Green Computing and Communications (GreenCom) and IEEE Cyber, Physical and Social Computing (CPSCom) and IEEE Smart Data (SmartData), pages 1–8, 2019

[12]   Raphael Bialon, Jan Steimann and Kalman Graffi. On the Impact of Device Characteristics on Opportunistic Network Performance. In iThings/GreenCom/CPSCom/SmartData 2019: Proceedings of the 2019 International Conference on Internet of Things (iThings) and IEEE Green Computing and Communications (GreenCom) and IEEE Cyber, Physical and Social Computing (CPSCom) and IEEE Smart Data (SmartData), pages 1–8, 2019

[13]   Raphael Bialon, Jan Tölkes and Kalman Graffi. Improving Message Delivery in Opportunistic Networks with Fragmentation and Network Coding. In iThings/GreenCom/CPSCom/SmartData 2019: Proceedings of the 2019 International Conference on Internet of Things (iThings) and IEEE Green Computing and Communications (GreenCom) and IEEE Cyber, Physical and Social Computing (CPSCom) and IEEE Smart Data (SmartData), pages 1–8, 2019

[14]   Eduard Schleicher, Kalman Graffi and Ahmad Rabay’a. Fog Computing with P2P: Enhancing Fog Computing Bandwidth for IoT Scenarios. In iThings/GreenCom/CPSCom/SmartData 2019: Proceedings of the 2019 International Conference on Internet of Things (iThings) and IEEE Green Computing and Communications (GreenCom) and IEEE Cyber, Physical and Social Computing (CPSCom) and IEEE Smart Data (SmartData), pages 1–8, 2019

[15]   Bashkim Berzati, Andre Ippisch and Kalman Graffi. An Android Wear OS Framework for Sensor Data and Network Interfaces. In IEEE LCN: Proceedings of the International Conference on Local Computer Networks Workshops (LCN), pages 1–7, 2018

[16]   Andre Ippisch, Philipp Brühn and Kalman Graffi. Field Experiment on the Performance of an Android-Based Opportunistic Network. In Euro-Par 2018: Proceedings of the Euro-Par International Parallel Processing Workshops, pages 1–12, 2018

[17]   Andre Ippisch, Tobias Küper and Kalman Graffi. Time and Space in Android-based Opportunistic Networks. In IEEE AINA ’18: Proceedings of the Advanced Information Networking and Applications, pages 1–7, 2018

[18]   Andre Ippisch, Salem Sati and Kalman Graffi. Optimal Replication Based on Optimal Path Hops for Opportunistic Networks. In IEEE AINA ’18: Proceedings of the Advanced Information Networking and Applications, pages 1–8, 2018

[19]   Andreas Disterhöft and Kalman Graffi. Minicamp: Middleware for Incomplete Participation in Structured Peer-to-Peer Monitoring Protocols. In IEEE AINA ’18: Proceedings of the Advanced Information Networking and Applications, pages 1–9, 2018

[20]   Andreas Disterhöft and Kalman Graffi. Mr.Tree: Multiple Realities in Tree-based Monitoring Overlays for Peer-to-Peer Networks. In IEEE ICNC’18: Proceedings of the International Conference for Computing, Networking and Communications, pages 1–8, 2018

[21]   Raed Al-Aaridhi, Iakov Dlikman, Newton Masinde and Kalman Graffi. Search Algorithms for Distributed Data Structures in P2P Networks. In IEEE ISNCC’18: Proceedings of the International Symposium on Networks, Computers and Communications, pages 1–8, 2018

[22]   Andreas Disterhöft and Kalman Graffi. CapSearch: Capacity-Based Search in Highly Dynamic Peer-to-Peer Networks. In IEEE AINA ’17: Proceedings of the Advanced Information Networking and Applications, pages 1–10, 2017

[23]   Andre Ippisch and Kalman Graffi. Infrastructure Mode Based Opportunistic Networks on Android Devices. In IEEE AINA ’17: Proceedings of the Advanced Information Networking and Applications, pages 1–8, 2017

[24]   Tobias Amft and Kalman Graffi. Moving Peers in Distributed, Location-based Peer-to-Peer Overlays. In IEEE ICNC’17: Proceedings of the International Conference for Computing, Networking and Communications, pages 1–8, 2017

[25]   Salem Sati, Andre Ippisch and Kalman Graffi. Dynamic Replication Control Strategy for Opportunistic Networks. In IEEE ICNC’17: Proceedings of the International Conference for Computing, Networking and Communications, pages 1–8, 2017

[26]   Salem Sati, Andre Ippisch and Kalman Graffi. Replication Probability-based Routing Scheme for Opportunistic Networks. In NetSys’17: Proceedings of the GI/ITG International Conference on Networked Systems, pages 1–8, 2017

[27]   Andreas Disterhöft, Andreas Funke and Kalman Graffi. PacketSkip: Skip Graph for Multidimensional Search in Structured Peer-to-Peer System. In IEEE SASO ’17: Proceedings of the International Conference on Self-Adaptive and Self-Organizing Systems, pages 1–10, 2017.

[28]   Raed Al-Aaridhi, Ahmet Yueksektepe, Tobias Amft and Kalman Graffi. Access Control for Secure Distributed Data Structures in Distributed Hash Tables In IEEE LANMAN’17: Proceedings of the International Symposium on Local and Metropolitan Area Networks, pages 1–3, 2017.

[29]   Read Al-Aaridhi, Niklas Foerst and Kalman Graffi. Optimization of the Structure Cache for Distributed Data Structures in Overlay Networks In IEEE ICECTA’17: Proceedings of the International Conference on Electrical and Computing Technologies and Applications, pages 1–5, 2017

[30]   Raed Al-Aaridhi, Ahmet Yueksektepe, Tobias Amft and Kalman Graffi. Secure Model for Distributed Data Structures on Distributed Hash Tables In IEEE AEECT’17: Proceedings of the Jordan Conference on Applied Electrical Engineering and Computing Technologies, pages 1–10, 2017.

[31]   Andreas Disterhöft, Andreas Funke and Kalman Graffi. Minicamp: Middleware for Incomplete Participation in Structured Peer-to-Peer Monitoring Protocols. In IEEE LCN ’17: Proceedings of the International Conference on Local Computer Networks, pages 1–4, 2017.

[32]   Andre Ippisch, Salem Sati and Kalman Graffi. Device To Device Communication in Mobile Delay Tolerant Networks. In IEEE/ACM DS-RT ’17: Proceedings of the IEEE/ACM International Symposium on Distributed Simulation and Real Time Application, pages 1–8, 2017.

[33]   Jan Friesen, Raphael Bialon, Christoph Claßen and Kalman Graffi. Measuring Visibility using Smartphones. In EGU General Assembly 2017, Vol. 19, EGU2017-12869-2, pages 1–2, 2017.

[34]   Andreas Disterhöft and Kalman Graffi. Convex Hull Watchdog: Mitigation of Malicious Nodes in Tree-based P2P Monitoring Systems. In IEEE LCN ’16: Proceedings of the International Conference on Local Computer Networks, pages 1–8, 2016.

[35]   Raphael Bialon, Mateusz Lukaszewski and Kalman Graffi Misrouted Prophecy – On the Impact of Security Attacks on PRoPHET. In LSDVE ’16: Proceedings of the International Workshop on Large Scale Distributed Virtual Environments on Clouds and P2P, in conjunction with Euro-Par 2014, pages 1–12, 2016

[36]   Salem Sati, Christopher Probst and Kalman Graffi. Dynamic Dropping Policy to Improve PRoPHET’s Routing Performance. In IEEE MSN ’16: Proceedings of the International Conference on Mobile Ad-Hoc and Sensor Networks, pages 1–7, 2016.

[37]   Raed Al-Aaridhi, Ahmet Yueksektepe, Tobias Amft and Kalman Graffi. Distributed Data Structures Improvement for Collective Retrieval Time. In IEEE WPMC ’16: Proceedings of the International Symposium on Wireless Personal Multimedia Communications, pages 1–6, 2016. Best Paper Award.

[38]   Andrea De Salve, Laura Ricci, Paolo Mori, Raed Al-Aaridhi, and Kalman Graffi Privacy-preserving Data Allocation in Decentralized Online Social Networks. In DAIS ’16: Proceedings of the International Conference on Distributed Applications and Interoperable Systems, pages 1–14, 2016.

[39]   Norbert Goebel, Raphael Bialon, Martin Mauve and Kalman Graffi Coupled Simulation of Mobile Cellular Networks, Road Traffic and V2X applications using Traces. In IEEE ICC ’16: Proceedings of the International Conference on Communications, pages 1–7, 2016.

[40]   Ahmad Cheraghi, Tobias Amft, Salem Sati, Philipp Hagemeister and Kalman Graffi. The State of Simulation Tools for P2P Networks on Mobile Ad-Hoc and Opportunistic Networks. In IEEE ICCCN ’16: Proceedings of the International Conference on Computer Communications and Networks, pages 1–7, 2016.

[41]   Salem Sati, Christopher Probst and Kalman Graffi. Analysis of Buffer Management Policies for Opportunistic Networks. In IEEE ICCCN ’16: Proceedings of the International Conference on Computer Communications and Networks, pages 1–8, 2016.

[42]   Andreas Disterhöft and Kalman Graffi. Protected Chords in the Web: Secure P2P Framework for Decentralized Online Social Networks. In IEEE P2P ’15: Proceedings of the IEEE International Conference on Peer-to-Peer Computing, pages 1–5, 2015.

[43]   Tobias Amft, Barbara Guidi, Kalman Graffi, and Laura Ricci. FRoDO: Friendly Routing over Dunbar-based Overlays. In IEEE LCN ’15: Proceedings of the IEEE International Conference on Local Computing Networks, pages 1–9, 2015.

[44]   Christopher Probst, Andreas Disterhöft, and Kalman Graffi. Chunked-Swarm: Divide and Conquer for Real-time Bounds in Video Streaming. In IEEE NEW2AN ’15: Proceedings of the IEEE International Conference on Next Generation Wired/Wireless Networking, pages 1–12, 2015.

[45]   Salem Sati and Kalman Graffi. Adapting the Beacon Interval for Opportunistic Network Communications. In ICACCI ’15: Proceedings of the International Conference on Advances in Computing, Communications and Informatics, pages 1–7, 2015.

[46]   Raed Ali and Kalman Graffi. SandMash: An Approach for Mashups Techniques on Smartphones. In MobiWis ’15: Proceedings of the International Conference on Mobile Web and Intelligent Information Systems, pages 1–16, 2015.

[47]   Arman Sheikholeslami and Kalman Graffi. A Systematic Quality Analysis of Virtual Desktop Infrastructure Technologies. In LSDVE ’15: Proceedings of the International Workshop on Large Scale Distributed Virtual Environments on Clouds and P2P, in conjunction with Euro-Par 2015, pages 1–12, 2015.

[48]   Andre Ippisch and Kalman Graffi. An Android Framework for Opportunistic Wireless Mesh Networking. In NetSys’15: Proceedings of the Conference on Networked Systems, pages 1–2, 2015.

[49]   Andreas Disterhöft and Kalman Graffi. A Browser-based Secure P2P Framework for Decentralized Online Social Networks. In NetSys’15: Proceedings of the Conference on Networked Systems, pages 1–2, 2015.

[50]   Norbert Goebel, Markus Koegel, Martin Mauve, and Kalman Graffi. Trace-based Simulation of C2X-Communication using Cellular Networks. In IEEE/IFIP WONS’14: Proceedings of the IEEE/IFIP Annual Conference on Wireless On-demand Networks Systems and Services, pages 1–8, 2014.

[51]   Josef Jiru, Lars Bremer, and Kalman Graffi. Data Aggregation in VANETs – A Generalized Framework for Channel Load Adaptive Schemes. In IEEE LCN ’14: Proceedings of the IEEE International Conference on Local Computing Networks, pages 1–4, 2014.

[52]   Felix Eichert, Markus Monhof, and Kalman Graffi. The Impact of Routing Attacks on Pastry-based P2P Online Social Networks. In LSDVE ’14: Proceedings of the International Workshop on Large Scale Distributed Virtual Environments on Clouds and P2P, in conjunction with Euro-Par 2014, pages 1–12, 2014.

[53]   Matthias Feldotto, Christian Scheideler, and Kalman Graffi. HSkip+: A Self-Stabilizing Overlay Network for Nodes with Heterogeneous Bandwidths. In IEEE P2P ’14: Proceedings of the International Conference on Peer-to-Peer Computing, pages 1–10, 2014.

[54]   Jens Janiuk, Alexander Mäcker, and Kalman Graffi. Secure Distributed Data Structures for Peer-to-Peer-based Social Networks. In IEEE CTS ’14: Proceedings of the IEEE International Conference on Collaboration Technologies and Systems, pages 1–10, 2014.

[55]   Timo Klerx and Kalman Graffi. Bootstrapping Skynet: Calibration and Autonomic Self-Control of Structured Peer-to-Peer Networks. In IEEE P2P ’13: Proceedings of the International Conference on Peer-to-Peer Computing, pages 1–5, 2013.

[56]   Vitaliy Rapp and Kalman Graffi. Continuous Gossip-based Aggregation through Dynamic Information Aging. In IEEE ICCCN ’13: Proceedings of the International Conference on Computer Communications and Networks, pages 1–7, 2013.

[57]   Matthias Feldotto and Kalman Graffi. Comparative Evaluation of Peer-to-Peer Systems Using PeerfactSim.KOM. In IEEE HPCS’13: Proceedings of the International Conference on High Performance Computing and Simulation, pages 1–8, 2013.

[58]   Lars Bremer and Kalman Graffi. Symbiotic Coupling of P2P and Cloud Systems: The Wikipedia Case. In IEEE ICC ’13: Proceedings of the International Conference on Communications, pages 1–6, 2013.

[59]   Philip Wette and Kalman Graffi. Adding Capacity-Aware Storage Indirection to Homogeneous Distributed Hash Tables. In NetSys ’13: Proceedings of the Conference on Networked Systems, pages 1–8, 2013.

[60]   Markus Benter, Mohammad Divband, Sebastian Kniesburges, Andreas Koutsopoulos, and Kalman Graffi. Ca-Re-Chord: A Churn Resistant Self-stabilizing Chord Overlay Network. In NetSys ’13: Proceedings of the International Conference on Networked Systems, pages 1–8, 2013.

[61]   York Yannikos, Jonathan Schlüßler, Martin Steinebach, Christian Winter, and Kalman Graffi. Hash-based File Content Identification Using Distributed Systems. In IFIP ICDF ’13: Proceedings of the IFIP International Conference on Digital Forensics, pages 1–19, 2013.

[62]   Kalman Graffi. PeerfactSim.KOM: A P2P System Simulator – Experiences and Lessons Learned. In IEEE P2P ’11: Proceedings of the International Conference on Peer-to-Peer Computing, pages 1–2, 2011.

[63]   Kalman Graffi, Christian Groß, Dominik Stingl, Daniel Hartung, Aleksandra Kovacevic, and Ralf Steinmetz. LifeSocial.KOM: A Secure and P2P-based Solution for Online Social Networks. In IEEE CCNC ’11: Proceedings of the IEEE Consumer Communications and Networking Conferences, pages 1–5, 2011.

[64]   Daniel Hartung, Knut Wold, Kalman Graffi, and Slobodan Petrovic. Towards a Biometric Random Number Generator – A General Approach For True Random Extraction From Biometric Samples. In BIOSIG ’11: Proceedings of the International Conference of the Special Interest Group on Biometrics Bookmark and Share, pages 1–8, 2011.

[65]   Patrick Mukherjee, Karsten Saller, Aleksandra Kovacevic, Kalman Graffi, Andy Schüerr, and Ralf Steinmetz. Tracability Link Evolution with Version Control. In ESoSyM ’11: Proceedings of Evolutionäre Software- und Systementwicklung – Methoden und Erfahrungen , Workshop collocated with Internation Conference on Software Engineering 2011, pages 1–11, 2011.

[66]   Kalman Graffi, Christian Groß, Dominik Stingl, Hoang Nguyen, Aleksandra Kovacevic, and Ralf Steinmetz. Towards a P2P Cloud: Reliable Resource Reservations in Unreliable P2P Systems. In IEEE ICPADS ’10: Proceedings of the International Conference on Parallel and Distributed Systems, pages 1–10, 2010.

[67]   Kalman Graffi, Christian Groß, Patrick Mukherjee, Aleksandra Kovacevic, and Ralf Steinmetz. LifeSocial.KOM: A P2P-based Platform for Secure Online Social Networks. In IEEE P2P ’10: Proceedings of the International Conference on Peer-to-Peer Computing, pages 1–2, 2010.

[68]   Kalman Graffi, Dominik Stingl, Julius Rückert, and Aleksandra Kovacevic. Monitoring and Management of Structured Peer-to-Peer Systems. In IEEE P2P ’09: Proceedings of the International Conference on Peer-to-Peer Computing, pages 1–10, 2009.

[69]   Kalman Graffi, Patrick Mukherjee, Burkhard Menges, Daniel Hartung, Aleksandra Kovacevic, and Ralf Steinmetz. Practical Security in P2P-based Social Networks. In IEEE LCN ’09: Proceedings of the International Conference on Local Computer Networks, pages 1–4, 2009.

[70]   Osama Abboud, Aleksandra Kovacevic, Kalman Graffi, Konstantin Pussep, and Ralf Steinmetz. Underlay Awareness in P2P Systems: Techniques and Challenges. In IEEE IPDPS ’09: Proceedings of the International Symposium on Parallel and Distributed Processing, pages 1–8, 2009.

[71]   Kalman Graffi, Aleksandra Kovacevic, Song Xiao, and Ralf Steinmetz. SkyEye.KOM: An Information Management Over-Overlay for Getting the Oracle View on Structured P2P Systems. In IEEE ICPADS ’08: Proceedings of the International Conference on Parallel and Distributed Systems, pages 1–8, 2008.

[72]   Kalman Graffi, Sergey Podrajanski, Patrick Mukherjee, Aleksandra Kovacevic, and Ralf Steinmetz. A Distributed Platform for Multimedia Communities. In IEEE ISM ’08: Proceedings of the International Symposium on Multimedia, pages 1–6, 2008.

[73]   Kalman Graffi, Sebastian Kaune, Konstantin Pussep, Aleksandra Kovacevic, and Ralf Steinmetz. Load Balancing for Multimedia Streaming in Heterogeneous Peer-to-Peer Systems. In ACM NOSSDAV ’08: Proceedings of the International Workshop on Network and Operating Systems Support for Digital Audio and Video, pages 1–6, 2008.

[74]   Kalman Graffi, Aleksandra Kovacevic, Nicolas Liebau, and Ralf Steinmetz. From Cells to Organisms: Long-Term Guarantees on Service Provisioning in Peer-to-Peer Networks. In ACM SIGAPP NOTERE ’08: Proceedings of the International Conference on New Technologies of Distributed Systems, pages 1–6, 2008.

[75]   Aleksandra Kovacevic, Kalman Graffi, Sebastian Kaune, Christof Leng, and Ralf Steinmetz. Towards Benchmarking of Structured Peer-to-Peer Overlays for Network Virtual Environments. In IEEE ICPADS ’08: Proceedings of the International Conference on Parallel and Distributed Systems, pages 1–6, 2008.

[76]   Kalman Graffi, Parag Mogre, Matthias Hollick, and Ralf Steinmetz. Detection of Colluding Misbehaving Nodes in Mobile Ad Hoc and Mesh Networks. In IEEE GLOBECOM 07: Proceedings of the Global Communications Conference, Exhibition & Industry Forum, pages 1–5, 2007.

[77]   Kalman Graffi, Konstantin Pussep, Sebastian Kaune, Aleksandra Kovacevic, Nicolas Liebau, and Ralf Steinmetz. Overlay Bandwidth Management: Scheduling and Active Queue Management of Overlay Flows. In IEEE LCN ’07: Proceedings of the International Conference on Local Computer Networks, pages 1–9, 2007.

[78]   Kalman Graffi, Aleksandra Kovacevic, Kyra Wulffert, and Ralf Steinmetz. ECHoP2P: Emergency Call Handling over Peer-to-Peer Overlays. In IEEE P2PNVE’07: Proceedings of the International Workshop on Peer-to-Peer Network Virtual Environments, pages 1–10, 2007.

[79]   Nicolas Liebau, Konstantin Pussep, Kalman Graffi, Sebastian Kaune, Eric Jahn, André Beyer, and Ralf Steinmetz. The Impact Of The P2P Paradigm on the New Media Industries. In AMCIS ’07: Proceedings of Americas Conference on Information Systems, pages 1–17, 2007.

[80]   Parag Mogre, Kalman Graffi, Matthias Hollick, and Ralf Steinmetz. AntSec, WatchAnt and AntRep:Innovative Security Mechanisms for Wireless Mesh Networks. In IEEE LCN ’07: Proceedings of the International Conference on Local Computer Networks, pages 1–9 2007.

In submission

[1]   Newton Masinde, Liat Khitman, Iakov Dlikman and Kalman Graffi. Systematic Evaluation of LibreSocial – a Peer-to-Peer Framework for Online Social Networks. Submitted to MDPI – Future Internet. Special Issue on Security and Privacy in Social Networks and Solutions, pages 1–25, 2020.

[2]   Kalman Graffi and Newton Masinde. LibreSocial: A Peer-to-Peer Framework for Online Social Networks. Submitted to Wiley Concurrency and Computation: Practice and Experience, pages 1–20, 2020. Preprint available at arXiv:2001.02962 [cs:SI], https://arxiv.org/abs/2001.02962.

[3]   Ahmad Rabay’a, Pascal Kudla, Lukas Kubitza, Kalman Graffi and Michael Schöttner. Reducing IoT Bandwidth Requirements by Fog-based Distributed Hash Tables. Submitted to IEEE ICDCS ’20: IEEE International Conference on Distributed Computing Systems, pages 1–11, 2020.

Book chapters

[B1]   Tobias Amft and Kalman Graffi. Webs of Change? The Transformation of Online Social Networks and Communication Infrastructures from a Technological Point of View In Florian Kohstall, Carola Richter, Sarhan Dhouib and Fatima Kastner, editors, Academia in Transformation – Scholars Facing the Arab Uprisings, pages 1–12. Nomos Verlag, 2016.

[B2]   Christian Scheideler and Kalman Graffi. Programming for distributed computing: From physical to logical networks. In Edward K. Blum and Alfred V. Aho, editors, Computer Science, pages 155–168. Springer New York, 2011.

Technical reports

[TR1]   Tobias Amft and Kalman Graffi. The Benefit of Stacking Multiple Peer-to-Peer Overlays Technical Report TR-2017-002. Technology of Social Networks Group, Heinrich Heine University, Düsseldorf, Germany. 2017

[TR2]   Tobias Amft and Kalman Graffi. A Tale of many Networks: Splitting and Merging of Chord-like Overlays in Partitioned Networks Technical Report TR-2017-001. Technology of Social Networks Group, Heinrich Heine University, Düsseldorf, Germany. 2017

[TR3]   Kalman Graffi, Konstantin Pussep, Nicolas Liebau, and Ralf Steinmetz. Taxonomy of Active Queue Management Strategies in Context of Peer-to-Peer Scenarios. Technical Report TR-2007-01, Technische Universität Darmstadt, Germany, 2007.

[TR4]   Kalman Graffi, Nicolas Liebau, and Ralf Steinmetz. Taxonomy of Message Scheduling Strategies in Context of Peer-to-Peer Scenarios. Technical Report TR-2007-02, Multimedia Communications Lab KOM, Technische Universität Darmstadt, Germany, 2007.

[TR5]   Aleksandra Kovacevic, Sebastian Kaune, Hans Heckel, Andre Mink, Kalman Graffi, Oliver Heckmann, and Ralf Steinmetz. PeerfactSim.KOM – A Simulator for Large-Scale Peer-to-Peer Networks. Technical Report TR-2006-06, TU Darmstadt, 2006.

Theses

[Diss]   Kalman Graffi. Monitoring and Management of Peer-to-Peer Systems. PhD thesis, 2010.

[Dipl]   Kalman Graffi. A Security Framework for Organic Mesh Networks. Master’s thesis, Technische Universität Darmstadt, Germany, 2006.