Ralf Ackermann

Publication Activity (10 Years)

Years Active: 1981-2013
Publications (10 Years): 0

Top Venues

PerCom Workshops

Darmstadt University of Technology, Germany (PHD)

Education History

Darmstadt University of Technology, Germany

PHD

Publications

Sven Bendel, Thomas Springer, Daniel Schuster, Alexander Schill, Ralf Ackermann, Michael Ameling
A service infrastructure for the Internet of Things based on XMPP. PerCom Workshops (2013)
Ralf Ackermann
Using context information to enhance the functionality and usability of enterprise information systems. GI Jahrestagung (2009)
Jons-Tobias Wamhoff, Eberhard Grummt, Ralf Ackermann
Routing Mechanism for Secure, Distributed Discovery Services for Global Auto-ID Networks. IWRT (2008)
Eberhard Grummt, Ralf Ackermann
Proof of Possession: Using RFID for Large-Scale Authorization Management. AmI Workshops (2007)
Manuel Görtz, Ralf Ackermann, Ralf Steinmetz
Enhanced SIP Communication Services by Context Sharing. EUROMICRO (2004)
Manuel Görtz, Ralf Ackermann, Ralf Steinmetz
The Digital Call Assistant: Determine Optimal Time Slots for Calls. MIPS (2004)
Manuel Görtz, Ralf Ackermann, Johannes Schmitt, Ralf Steinmetz
Context-aware Communication Services: A Framework for Building Enhanced IP Telephony Services. ICCCN (2004)
Manuel Görtz, Ralf Ackermann, Andreas Mauthe, Ralf Steinmetz
Using Context Information to Avoid Service Interactions in IP Telephony. MIPS (2003)
Manuel Görtz, Ralf Ackermann, Martin Karsten, Ralf Steinmetz
Using a Multi-Layer Approach to Tackle the Service Interaction Problem in Telephony Scenarios. EUROMICRO (2002)
Jana Dittmann, Martin Steinebach, Petra Wohlmacher, Ralf Ackermann
Digital Watermarks Enabling E-Commerce Strategies: Conditional and User Specific Access to Services and Resources. EURASIP J. Adv. Signal Process. 2002 (2) (2002)
Ralf Ackermann, Markus Schumacher, Utz Roedig, Ralf Steinmetz
Vulnerabilities and Security Limitations of current IP Telephony Systems. Communications and Multimedia Security (2001)
Jana Dittmann, Petra Wohlmacher, Ralf Ackermann
Conditional Access for Business and M-Commerce Applications using Annotation Watermarks. Communications and Multimedia Security (2001)
Utz Roedig, Ralf Ackermann, Ralf Steinmetz
IP-Telefonie und Firewalls, Probleme und Lösungen. Prax. Inf.verarb. Kommun. 24 (1) (2001)
Ralf Ackermann, Vasilios Darlagiannis, Utz Roedig, Ralf Steinmetz
Using DMIF for Abstracting from IP-Telephony Signaling Protocols. IDMS (2000)
Ralf Ackermann, Utz Roedig, Michael Zink, Carsten Griwodz, Ralf Steinmetz
Associating network flows with user and application information. ACM Multimedia Workshops (2000)
Christoph Rensing, Utz Roedig, Ralf Ackermann, Lars C. Wolf, Ralf Steinmetz
VDMFA, eine verteilte dynamische Firewallarchitektur für Multimedia-Dienste. Kommunikation in Verteilten Systemen (1999)
Ralf Ackermann, Jörg Pommnitz, Lars C. Wolf, Ralf Steinmetz
MBone2Tel - Telephone Users Meeting the MBone. IDMS (1999)
Thomas Kubela, Ralf Ackermann
Agent-Q - das Diagnose- und Datenqualitätssystem (Ein Praxisbericht). Workshop Integration heterogener Softwaresysteme (1998)
G. Neumann, Ralf Ackermann, Winfried Grünewald
Messungen zum Kommunikationsaufwand für Prozesse in einem lokalen Rechnernetz: Erfahrungen aus einer Implementation. Implementierungssprachen für nichtsequentielle Programmsysteme (1981)

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Publication Activity (10 Years)

Top Topics

Top Venues

Ralf Ackermann