Annual Report 2010 - Fachgruppe Informatik an der RWTH Aachen ...

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Figure 1: The Energie Navigator framework A main aspect of the expert tool is a rule- and metric-toolkit, which is used to define logical rules on sensors to define a target state of a facility or a building. These rules can automatically be checked by the framework. A rules- and metric-language is implemented as a domain specific language (DSL) according to the Object Constraint Language (OCL) of the Unified Modeling Language (UML) with the help of MontiCore, a framework for designing DSLs. The system is deployed locally as a common server application, but it optionally uses cloud infrastructure to optimize load balancing. Fgure 2: Expert tool and web reporting In addition to these expert functions the Energie Navigator also focuses on raising the energy awareness of end-users, e.g., by providing web based applications for current energy 126
consumption status. A prototype of this application is implemented at the Center for Computer Science at University of Technology Braunschweig. The interdisciplinary workgroup of the project consists of members of Department of Software Engineering (CS3), RWTH Aachen University, Institute of Building Services and Energy Design TU Braunschweig, Ingenieurgesellschaft für energieeffiziente Gebäude mbH (energydesign- braunschweig) and Rumpe Information Technologies GmbH. Some of the subprojects are promoted, e.g. by the Bundesministerium für Wirtschaft und Technologie (BMWi) and the European Commission (CIP ICT PSP). Modelling and Configuration of Multi-Variant Software Documents in Automotive Software Engineering C. Mengi, M. Nagl Y. Arbach, Ö. Babur, M. Pogrebinski, and J. Pojer Software engineering in the automotive domain has gained more and more importance. Today, about 80% of all innovations are software-based. Reasons for this are manifold: (a) Software supports the reduction of CO 2 , (b) development of new functionality is cheaper compared to traditional hardware-driven development, (c) there are functionalities, which can only be implemented in software. Although software brings advantages, there arise new problems which have to be solved. (1) The integration of software into a traditional hardware-driven process requires a large amount of time and effort. One reason is that software is tightly coupled to the hardware. (2) Furthermore, software components are not isolated but interact with further software components. These components do usually not run on the same Electronic Control Unit (ECU), but are distributed over several other ECUs. (3) The existence of different bus systems which connect the ECUs complicate the whole issue. (4) Moreover, the possibility to select optional fittings, e.g., parking assistant, rain sensor, intelligent light system etc., leads to the situation that an enormous number of software variants arise. So, automotive software engineering gets highly complex. It is a big challenge for both OEMs (Original Equipment Manufacturers) and suppliers to handle this complexity. In Computer Science 3, we are analyzing three software documents which build the basis of an Electric/Electronic-Platform and provide new approaches for them to reduce the above mentioned complexity. These documents are (1) Function Nets, (2) Simulink-Models, and (3) Source Code. Function Nets are conceptual models which formalize the functional requirements by modelling system functions together with their communication connections in a logical way. That is, Function Nets abstract from the underlying hardware platform, partitioning decisions, and any kind of real-time system realization (deployment, bus structure, protocols etc.). Therefore, Function Nets describe a first virtual realisation of the static system structure. By this, Function Nets form a clear model, which is more intuitive for a system architect. Furthermore, they provide a communication basis between developers for discussion, validation, simulation, and documentation. Thus, specification errors can be detected in time. 127
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Annual Report 2010 Computer Science
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Contents Preface ..................
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Preface It is a long standing tradi
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Otto Spaniol’s Retirement After 2
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Moving back to the lighter side, tw
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Next on the agenda was a true innov
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Computer Science Summer Party - Som
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Bright Minds in Computer Science -
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To close the big gap between school
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Two special editions of Informatik
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Teaching 21
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subject it builds the four majors o
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Linear Algebra; Stochastics; Numeri
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Software Development), Computer Sci
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The International Master Programme
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annotation, and retrieval of spatia
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Proseminar: Ausgewählte Kapitel de
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Anwendung und Nutzen von Prozess- u
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Geometrieverarbeitung Kobbelt, Dekk
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Postgraduate Courses - Winter Term
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Engineering (GloSE) Softwaretechnik
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05.11.2009: Wirtschaftliche Entwick
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VORNAME NACHNAME of Autosar) TITEL
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VORNAME NACHNAME TITEL Ferdi Kirmiz
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VORNAME NACHNAME TITEL Stephan Peit
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VORNAME NACHNAME TITEL Zeeshan Khan
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Overall Number of Students and Grad
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Algorithms and Complexity Staff •
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Overview Many technological innovat
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Dynamic Coordination in Large Netwo
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Design and Analysis of Algorithms i
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analyze distributed protocols for t
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Other Activities Courses Our group
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Talks and Publications Talks Alexan
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Jean Cardinal and Martin Hoefer. No
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Overview Our teaching and research
Page 79 and 80: The major goal of this project is t
Page 81 and 82: Other Activities Courses Our group
Page 83 and 84: Joachim Kneis, Daniel Meister, Jan
Page 85 and 86: D. Guck S. Herting C. Jansen M. Kam
Page 87 and 88: The group is happy to welcome Johan
Page 89 and 90: on efficient numerical methods and
Page 91 and 92: to the engineers and thus offer a c
Page 93 and 94: Project partners are universities,
Page 95 and 96: hybrid systems (SHS), which allows
Page 97 and 98: Synthesising of Model Based Testing
Page 99 and 100: and/or to prove the design correct.
Page 101 and 102: Erika Ábrahám: • Program commit
Page 103 and 104: Joost-Pieter Katoen. Abstraction of
Page 105 and 106: Erika Abraham, Ulrich Loup, Florian
Page 107 and 108: Daniela Lepri, Peter Csaba Ölveczk
Page 109 and 110: Overview Our research group is conc
Page 111 and 112: Termination Analysis for Logic and
Page 113 and 114: Automated Complexity Analysis J. Gi
Page 115 and 116: • Participant of the Workshop on
Page 117 and 118: Talks and Publications Talks C. Fuh
Page 119 and 120: Publications: Journals and Conferen
Page 121 and 122: Lars Noschinski. Automated Complexi
Page 123 and 124: • Externals Dipl.-Inform. M. Duka
Page 125 and 126: Funding comes from various sources,
Page 127 and 128: communication, the scheduling and i
Page 129: of personal data released to differ
Page 133 and 134: Global Software Engineering (GloSE)
Page 135 and 136: automatically computes testing metr
Page 137 and 138: important features of MontiCore’s
Page 139 and 140: Tool Integration for Heterogeneous
Page 141 and 142: Toolchain Integration in Requiremen
Page 143 and 144: demanded by several software houses
Page 145 and 146: REGINA-Arbeitskreis Cloud Computing
Page 147 and 148: • Member of the Program Committee
Page 149 and 150: Retkowitz, D.: Softwareunterstützu
Page 151 and 152: Berger, C., Rumpe, B.: Supporting A
Page 153 and 154: Software Construction Staff • Fac
Page 155 and 156: Research Projects Evaluating Busine
Page 157 and 158: Automatic Test Case Generation base
Page 159 and 160: Selection of Organisation Specific
Page 161 and 162: Talks and Publications Talks H. Lic
Page 163 and 164: Communication and Distributed Syste
Page 165 and 166: Overview In 2010 the former Chair I
Page 167 and 168: Research Projects Adaptive and Ligh
Page 169 and 170: • Establish ISO as lead organisat
Page 171 and 172: novel concept for Wi-Fi sharing com
Page 173 and 174: delegate certain tasks to other dev
Page 175 and 176: ability to store containers and cel
Page 177 and 178: UMIC Simulation Framework Georg Kun
Page 179 and 180: communication protocols on symbolic
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Other Activities Klaus Wehrle Progr
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Publications Aktas, I.; Otten, J.;
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Lora, M.A. (2010): QoE in Cooperati
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UMIC Mobile Network Performance Gro
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Research Projects Ultra-robust Wire
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Talks and Publications Talks J. Gro
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Information Systems Staff • Profe
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Overview Today, the field of Inform
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Future Mobile Internet Services: Mo
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part of the research initiative Ada
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DFG CONTici: Context Adaptive Inter
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state-of-the-art in human resource
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DAAD IKYDA: Non-linear Digital Stor
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infrastructures for scientific comm
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Models for Quality Management in Sc
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Other Activities Services Prof. Jar
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TEL’10, ICWL’10, Workshop STEG
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Talks and Publications Talks Y. Cao
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D. Kovachev: A Cloud Multimedia Pla
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Ralf Klamma, R. W. H. Lau, Shu-Chin
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Sandra Geisler, Christoph Quix, A.
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Zinayida Petrushyna, Ralf Klamma, M
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Knowledge-Based Systems & Cognitive
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Research Projects A Deliberative Re
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In the last three years we continuo
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implementation of the algorithm on
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esembling the branching time logic
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capture default reasoning mechanism
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Other Activities Program Committees
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Talks and Publications Talks Stefan
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Dipl.-Inform. M. Sundermeyer M.A. T
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• image recognition Most of these
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the most probable sentence. These m
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language understanding unit and a d
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Research Projects Global Autonomous
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The interpersonal communication pro
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B. J. Kröger, J. Kannampuzha, D. B
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Logic & Theory of Discrete Systems
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meeting of all German DFG-research
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surprising result that McNaughton
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exist practical algorithms for such
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• Member of the Evaluation Commit
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F. Radmacher: A Game for Reliable R
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[19] J. Olschewski and M. Ummels: T
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Overview The research group on Math
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combine logical and algebraic appro
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B. Puchala, Parity Games with Parti
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Computer Graphics and Multimedia Mo
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Overview The Chair of Computer Grap
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technologies for using recognition
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Practical Mixed-Integer Optimizatio
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A Sketching Interface for Feature C
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Generalized Use of Non-Terminal Sym
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Vision-Based Analysis and Reconstru
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SCRAMSAC: Improving RANSAC's Effici
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Ad-Hoc Multi-Displays for Mobile In
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Continuous Representation of Digita
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Level-Set Tracking for Automotive A
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Real-time Visual Object Detection P
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Other Activities Prof. Dr. Leif Kob
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• Member, Deutsche Arbeitsgemeins
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E. Horbert, Geometrically Constrain
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Data Management and Exploration Sta
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Data Analysis and Knowledge Extract
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prototypical one-cylinder engine fo
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Figure 5: OpenSubspace evaluation f
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Outlier Ranking in High Dimensional
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Relevance Feedback for the Explorat
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authenticate himself or herself in
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Other Activities Teaching Winter te
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Awards • Dipl.-Inform. Stephan G
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Assent I., Kremer H., Seidl T.: Spe
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Computer-Supported Learning Staff
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Overview Our focus in research and
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CoboCards GmbH and penetrated the E
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Daniel Herding presenting at DeLFI
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mathematics, computer science, natu
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The effect of the different measure
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Nadine Bergner • Co-organization
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Media Computing Group Staff • Fac
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Our group builds upon these results
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structure, and informal seating in
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The idea has been explored in three
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PinStripe: Eyes-free Continuous Inp
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Stacksplorer: Understanding Dynamic
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Our design rationale is to give the
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direct manipulation. Due to the sea
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Corona Many historical buildings ar
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CocoaHeads Since April 2008, we hav
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Talks and Publications Talks Usabil
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Christian Corsten. DragonFly: Spati
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• Guest Researcher:    Chak
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Research Projects [mc]square - Mode
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Synthesizing Best Transformers for
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UMIC Projects at i11 Carsten Weise
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Modelchecking Modular Protocols Car
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construction costs, the lack of sui
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Another issue in model-based develo
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Laboratory, RWTH) and Marco Roveri
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information from SNMP-based and fro
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Publications Biallas, S.; Brauer, J
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Schlich, B.; Brauer, J. & Kowalewsk
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Overview A recurring theme of the r
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Research Projects Over the past yea
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esearch groups: Applied Medical Eng
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Robust Shape Optimization for Artif
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• 1st Workshop on Automated Progr
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M. Lülfesmann. Computer-aided educ
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M. Probst, M. Lülfesmann, H. M. B
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Overview The focus of our research
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compute the gradient of the cost fu
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Waterways Engineering and Research
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methods to cases were our program r
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Other activities • Uwe Naumann is
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K. Rattanakornpunt, U. Naumann and
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• Student Researchers Dennis Effm
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Since recently, our research is als
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able to easily identify areas where
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VisPME - Visualization in Parallel
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With a novel VR-based modeling tool
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voxels with only a low number of pa
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Talks and Publications D. Holz: Soi
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D. Holz, T. Beer, T. Kuhlen (2009).
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Overview The research group IT-Secu
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Talks, Posters, and Publications Ta
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UMIC Mobile Network Performance Gro
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Research Projects Ultra-robust Wire
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Talks and Publications Talks J. Gro
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Parallel Programming Staff • Facu
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Research Activities Scalable Perfor
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Scalable Infrastructure for the Aut
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Other Activities Awards ICPP 2010 B
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Talks and Publications Talks M. Gei
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F. Wolf: Kranken Herzen helfen - In
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Wolfgang Frings, Felix Wolf, Ventsi
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Overview Paolo Bientinesi is Junior
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Other Activities Services Throughou
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Architectures. Accepted for publica
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Dissertations and Habilitations 453
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Social Software and Community Infor
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Personalized eHomes: Mobility, Priv
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Design Patterns for Safety-Critical
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Robust Machine Translation for Mult
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modeled together with its necessary
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Personalization in Technology Enhan
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A Log-Linear Discriminative Modelin
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Generic Modeling and Mapping Langua
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Evaluators: Prof. Dr. rer. nat. Ber
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Mechanisms, Models, and Tools for F
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Adaptive Multimodal Exploration of
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Discriminative Training and Acousti
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Channel Assignment and Security in
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Evaluators: Prof. Dr. Hermann Ney P
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for this problem the first polynomi
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Aspects of Wardrop Equilibria Lars
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Anonymous Communication in the Age
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World libraries : towards efficient
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On the Complexity of Equilibria in
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Energy-Efficient Design for Portabl
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Adaptable Transformation-Based Simi
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Finite Automata on Unranked Trees:
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Explicit checks are complemented by
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Central Services 501
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System Administration Group Staff
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The bandwidth increased significant
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What you can find in our library
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5. Bookcrossing: Since 2009, our li
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All these activities are made possi
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Co-operations 513
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Cluster of Excellence ”Ultra High
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The UMIC Workshop on Future Mobile
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UMIC Open Day 2010 The UMIC cluster
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Virtual Institute - High Productivi
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Bonn-Aachen International Center fo
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Graduiertenkollegs - Research Train
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Graduiertenkolleg ‘Software for M
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  The German University of Techno
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TGGS Thai-German Graduate School of
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Forum Information Technology at RWT
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Since January 2009, Bernhard Rumpe
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the framework of their respective p
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possible reseachs topics. This matr
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epresentation or, even better, real
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REGINA companies include world mark
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service integration capabilities ar
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