Primitive-Based Movement Classification for Humanoid Imitation (2009)
Odest Chadwicke Jenkins, Maja J Matarić, Stefan Weber
Abstract. Motor control is a complex problem and imitation is a powerful mechanism for acquiring new motor skills. In this paper, we describe perceptuo-motor primitives, a biologically-inspired...
A Porcine Liver Model for Validation of Registration Accuracy in Image-Guided Surgery (2009)
Peterhans, Matthias, Dagon, Benoît, Berg, Anne Vom, Inderbitzin, Daniel, Baur, Charles, Weber, Stefan, ...
Correct registration between pre-operative high-resolution images and intra-operative data of lower detail is a fundamental requirement in image-guided liver surgery. We propose a multi modality...
Discrete Tomography by Convex-Concave Regularization using Linear and Quadratic Optimization (2009)
Discrete tomography concerns the reconstruction of objects that are made up from a few different materials, each of which comprising a homogeneous density distribution. Under the assumption that...
Kaffemik: Supporting a distributed JVM on a single address space architecture (2008)
Johan Andersson, Stefan Weber, Emmanuel Cecchet, Christian Jensen
Java is increasingly used to develop large server applications. In order to provide powerful platforms for such applications a number of projects have proposed Java Virtual Machines (JVMs) that are...
Distributed Systems Group, Department of Computer Science, (2008)
Peter Barron, Stefan Weber, Siobhán Clarke, Vinny Cahill, Trinity College
Studies of mobile ad-hoc networks are in the most part restricted to simulations and theory. They have, to this point, rarely ventured into the real world on a large enough scale to make significant...
Time parameters and Lorentz transformations of relativistic stochastic processes (2008)
Dunkel, Jörn, Hänggi, Peter, Weber, Stefan
Rules for the transformation of time parameters in relativistic Langevin equations are derived and discussed. In particular, it is shown that, if a coordinate-time parameterized process approaches...
Lycaon: A Flexible Framework for the Evaluation of Protocols and Services in Ad hoc Networks (2008)
Current research into solutions for mobile ad-hoc networks (MANETs) has produced an abundance of protocols, applications and services. The performance of these solutions depends on a variety of...
Johan Andersson, Stefan Weber, Emmanuel Cecchet, Christian Jensen, Vinny Cahill
A distributed JVM featuring a single address space architecture
Binary Tomography with Deblurring (2008)
Stefan Weber, Attila Kuba, Christoph Schnörr
www.siemensmedical.com Abstract. We study two scenarios of limited-angle binary tomography with data distorted with an unknown convolution: Either the projection data are taken from a blurred object,...
The Managed Motorway: Real-time Vehicle Scheduling- A Research Agenda- ABSTRACT (2008)
Air pollution, traffic congestion, stress and accidents are common features of today’s road transportation experience. New approaches to improving the efficiency and safety of transportation...
Wireless Background Noise in the Wi-Fi Spectrum (2008)
FU, BO, WEBER, STEFAN, Bernáth, G., Steichen, B., FU, BO, WEBER, STEFAN
PUBLISHED
The MAINZ ROLLING BRAINS in RoboCup '98: A Direct Approach to Robot Soccer (2007)
Daniel Polani, Stefan Weber, Thomas Uthmann
In the team described in this paper we realize a direct approach to soccer agents for the simulation league of the RoboCup '98-tournament. Its backbone is formed by a detailed world model. Based...
Agnes E. Ostafin, Stefan Weber
Quinone exchange at the A site in Photosystem I in spinach and
Photodynamic Therapy Christopher, Fosca Conti, Michael Fuhs, Martin Plato, Stefan Weber, ...
e triplet-state electronic structure of the ground-state trans-configured bacteriopurpurin is characterized by the determination of the zero-field splitting parameters which represent sensitive...
A Simulation Environment for Continuous (2007)
Gunter Bruns, Peter Mossinger, Daniel Polani, Ralf Schmitt, Rene Spalt, ...
Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 5.2.1 The Class Coord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 5.2.2 The Abstract Class...
Substrate Binding to DNA Photolyase Studied by Electron Paramagnetic (2007)
Resonance Spectroscopy Stefan, Stefan Weber, Gerald Richter, Erik Schleicher, Adelbert Bacher, Klaus Möbius, ...
Structural changes in Escherichia coli DNA photolyase induced by binding of a (cis,syn)-cyclobutane pyrimidine dimer (CPD) are studied by continuous-wave electron paramagnetic resonance and...
Book, Malte, Chen, QiXing, Lehmann, Lutz E, Klaschik, Sven, Weber, Stefan, Schewe, Jens-Christian, ...
Abstract Introduction The potent endogenous antimicrobial peptide human β-defensin 2 (hBD2) is a crucial mediator of innate immunity. In addition to direct antimicrobial properties, different...
Zolghadr, Behnam, Weber, Stefan, Szabó, Zalán, Driessen, Arnold J.M., Albers, Sonja-Verena
The hyperthermophilic archaeon Sulfolobus solfataricus contains an unusual large number of sugar binding proteins that are synthesized as precursors with a class III signal peptide. Such signal...
Dipl Ing, Dr. Tilo Balke, Ls Hannover, Professor Dr, Tu Graz, Dipl Ing, ...
Final Version of our investigations into: Report on dangers and opportunities posed by large search engines, particularly Google
Pierpaolo Dondio, Stephen Barrett, Stefan Weber, Jean-marc Seigneur
Abstract. The problem of identifying trustworthy information on the World Wide Web is becoming increasingly acute as new tools such as wikis and blogs simplify and democratize publications. Wikipedia...
Eymen Errais, Kay Giesecke, Lisa R. Goldberg, Msci Barra, Andreas Eckner, Bjorn Flesaker, ...
A portfolio credit derivative is a contingent claim on the aggregate loss of a portfolio of credit sensitive securities such as bonds and credit swaps. We propose an affine point process as a dynamic...
Weber, Stefan, Jeron, Andreas, Schneider, Hans J., Muders, Frank
A 28-year-old female with corrected anomalous pulmonary venous drainage presented with multiple atrial arrhythmias many years later. Ablation techniques eliminated most of the arrhythmias except...
Weber, Stefan, Jeron, Andreas, Schneider, Hans J., Muders, Frank
A 28-year-old female with corrected anomalous pulmonary venous drainage presented with multiple atrial arrhythmias many years later. Ablation techniques eliminated most of the arrhythmias except...
Richter, Gerald, Weber, Stefan, Römisch, Werner, Bacher, Adelbert, Fischer, Markus, Eisenreich, Wolfgang
Phototropin is a blue-light receptor involved in the phototropic response of higher plants. The photoreceptor comprises a protein kinase domain and two structurally similar flavin-mononucleotide...
Richter, Gerald, Weber, Stefan, Römisch, Werner, Bacher, Adelbert, Fischer, Markus, Eisenreich, Wolfgang
Phototropin is a blue-light receptor involved in the phototropic response of higher plants. The photoreceptor comprises a protein kinase domain and two structurally similar flavin-mononucleotide...
We discuss efficient Monte Carlo methods for the estimation of convex risk measures in portfolio credit risk models. We focus on the Utility-based Shortfall Risk measures (SR). These risk measures do...
Measures and models of financial risk (2004)
Thema der Dissertation ist zum einen die Quantifizierung und zum anderen die endogene Modellierung von Finanzrisiken. Die mathematische Analyse führt unter anderem auf Zusammenhänge...
Measures and models of financial risk (2004)
Thema der Dissertation ist zum einen die Quantifizierung und zum anderen die endogene Modellierung von Finanzrisiken. Die mathematische Analyse führt unter anderem auf Zusammenhänge...
Measures and models of financial risk / (2004)
Berlin, Humboldt-University, Diss., 2004 (Nicht für den Austausch).
Ein navigierter Bildbetrachter für medizinische Bilddaten / (2004)
Zugl.: Berlin, Humboldt-Univ., Diss., 2003.
Measures and models of financial risk [Elektronische Ressource] / (2004)
Berlin, Humboldt-University, Diss., 2004.
C.: Binary tomography by iterating linear programs from noisy projections (2004)
Stefan Weber, Thomas Schüle, Joachim Hornegger, Christoph Schnörr
www.siemensmedical.com Abstract. In this paper we improve the behavior of a reconstruction algorithm for binary tomography in the presence of noise. This algorithm which has recently been published...
Distribution-Invariant Risk Measures, Entropy, and Large Deviations (2004)
The simulation of distributions of financial positions is an important issue for financial institutions. If risk measures are evaluated for a simulated distribution instead of the model-implied...
Distribution-Invariant Dynamic Risk Measures (2003)
The paper provides an axiomatic characterization of dynamic risk measures for multi-period financial positions. For the special case of a terminal cash flow, we require that risk depends on its...
Distribution-Invariant Dynamic Risk Measures (2003)
The paper provides an axiomatic characterization of dynamic risk measures for multi-period financial positions. For the special case of a terminal cash flow, we require that risk depends on its...
Cyclical Correlations, Credit Contagion, and Portfolio Losses (2003)
We model aggregate credit losses on large portfolios of financial positions contracted with firms subject to both cyclical default correlation and direct default contagion processes. Cyclical...
Cyclical Correlations, Credit Contagion, and Portfolio Losses (2003)
We model aggregate credit losses on large portfolios of financial positions contracted with firms subject to both cyclical default correlation and direct default contagion processes. Cyclical...
Credit Contagion and Aggregate Losses (2002)
Credit contagion refers to the propagation of economic distress from one firm or sovereign government to another. In this paper we model credit contagion phenomena and study the fluctuation of...
Credit Contagion and Aggregate Losses (2002)
Credit contagion refers to the propagation of economic distress from one firm or sovereign government to another. In this paper we model credit contagion phenomena and study the fluctuation of...
A flexible framework for consistency management (2002)
Weber, Stefan, Nixon, P., Tangney, Brendan
Recent distributed shared memory (DSM) systems provide increasingly more support for the sharing of objects rather than portions of memory. However, like earlier DSM systems these distributed shared...
A flexible framework for consistency management (2002)
Weber, Stefan, Nixon, P., Tangney, Brendan
Recent distributed shared memory (DSM) systems provide increasingly more support for the sharing of objects rather than portions of memory. However, like earlier DSM systems these distributed shared...
A flexible framework for consistency management (2002)
Weber, Stefan, Nixon, P., Tangney, Brendan
Recent distributed shared memory (DSM) systems provide increasingly more support for the sharing of objects rather than portions of memory. However, like earlier DSM systems these distributed shared...
Elizabeth Gray, Christian Jensen, Stefan Weber, Jean-marc Seigneur, Chen Yong
The proliferation of mobile devices and the development of ad hoc networking technologies has introduced the possibility of a vast, networked infrastructure of diverse entities partaking in...
Erkrankungen des Herz-Kreislaufsystems stehen in den westlichen Industriestaaten an der Spitze der Todesursachenstatistiken. Derplötzliche Herztod tritt dabei als Erstmanifestation oder auch als...
Erkrankungen des Herz-Kreislaufsystems stehen in den westlichen Industriestaaten an der Spitze der Todesursachenstatistiken. Der plötzliche Herztod tritt dabei als Erstmanifestation oder auch als...
Giessen, Univ., Diss., 2001.
Giessen, Univ., Diss., 2001 (Nicht für den Austausch).
Primitive-Based Movement Classification for Humanoid Imitation (2000)
Odest Chadwicke Jenkins, Maja J. Mataric, Stefan Weber
. Motor control is a complex problem and imitation is a powerful mechanism for acquiring new motor skills. In this paper, we describe perceptuo-motor primitives, a biologically-inspired notion for a...
Experiments in Imitation Using Perceptuo-Motor Primitives (2000)
Stefan Weber Maja, Stefan Weber, Odest Chadwicke Jenkins
INTRODUCTION Imitation is a powerful mechanism for learning new skills. However, it involves an intricate interaction between perceptual and motor mechanisms, both of which are complex in themselves....
Richard Feicht, Kristina Schulz, Peter Sadewater, Aziz Sancar, Adelbert Bacher, ...
ABSTRACT: Ultraviolet radiation promotes the formation of a cyclobutane ring between adjacent pyrimidine residues on the same DNA strand to form a pyrimidine dimer. Such dimers may be restored to...
XRAPTOR: A Simulation Environment for Continuous Virtual Multi-Agent Systems - User Manual (1999)
Günter Bruns, Peter Mössinger, Daniel Polani, Ralf Schmitt, René Spalt, Thomas Uthmann, ...
Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.2.1 The Class Coord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.2.2 The Abstract Class...
XRAPTOR: A Simulation Environment for Continuous Virtual Multi-Agent Systems - User Manual (1999)
Günter Bruns, Peter Mössinger, Daniel Polani, René Spalt, Thomas Uthmann, Stefan Weber
Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.2.1 The Class Coord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.2.2 The Abstract Class...
Zugl.: Aachen, Techn. Hochsch., Diss., 1997.
Elektronische Ressource verfügbar im PDF- und PS-Format.
Investigations in Belnap's Logic of inconsistent and unknown information / (1998)
Dortmund, University, Diss., 1998.
Daniel Polani, Stefan Weber, Thomas Uthmann
. In the team described in this paper we realize a direct approach to soccer agents for the simulation league of the RoboCup '98tournament. Its backbone is formed by a detailed world model....
Frankfurt (Main), Univ., Diss., 1998.
Die Chronik des Sulpicius Severus : Charakteristika und Intentionen / (1997)
Thesis--Ruhr-Universität Bochum, 1997.
Photolumineszenzuntersuchungen an III/V-Halbleiterheterostrukturen / (1996)
Ulm, Universiẗat, Diss., 1996.
Marburg, Univ., Diss., 1996.
Thesis (doctoral)--Universität Stuttgart, 1994.
Clausthal, Techn. Univ., Diss., 1989.
The use of worst case analyses in environmental impact statements /--by Stefan Weber. (1985)
Typescript (photocopy)
Berlin, Inst. f. Gesellschaftswiss. beim ZK d. SED, Diss. v. 25. April 1969 (Nicht f. d. Aust.).
Weber, Stefan, Kay, Christopher W. M., Mögling, Heike, Möbius, Klaus, Hitomi, Kenichi, Todo, Takeshi
The light-induced electron transfer reaction of flavin cofactor photoactivation in Xenopus laevis (6–4) photolyase has been studied by continuous-wave and time-resolved electron paramagnetic...
Weber, Stefan, Kay, Christopher W. M., Mögling, Heike, Möbius, Klaus, Hitomi, Kenichi, Todo, Takeshi
The light-induced electron transfer reaction of flavin cofactor photoactivation in Xenopus laevis (6–4) photolyase has been studied by continuous-wave and time-resolved electron paramagnetic...
Book, Malte, Chen, QiXing, Lehmann, Lutz E, Klaschik, Sven, Weber, Stefan, Schewe, Jens-Christian, ...
Stark, Klaus, Reinhard, Wibke, Neureuther, Katharina, Wiedmann, Silke, Sedlacek, Kamil, Baessler, Andrea, ...
Credit Contagion and Aggregate Losses
portfolio losses, contagion, voter model
A CONTINUOUS TIME APPROXIMATION OF AN EVOLUTIONARY STOCK MARKET MODEL
We derive a continuous time approximation of the evolutionary market selection model of Blume and Easley (1992). Conditions on the payoff structure of the assets are identified that guarantee...
Utility maximization under a shortfall risk constraint
The article analyzes optimal portfolio choice of utility maximizing agents in a general continuous-time financial market model under a joint budget and downside risk constraint. The risk constraint...
Soft tissue navigation: Transferring pre-operative planning data into the operation room
Peterhans, Matthias, Dagon, Benoît, Nolte, Lutz-Peter, Baur, Charles, Vom Berg, Anne, Interbitzin, Daniel, ...
Purpose: Computer-assisted surgery has been established in orthopedic and neurosurgery, and is now becoming available as support for soft tissue surgery. Such technology should bridge the gap between...
Magnetic-field effect on the photoactivation reaction of Escherichia coli DNA photolyase
Henbest, Kevin B., Maeda, Kiminori, Hore, P. J., Joshi, Monika, Bacher, Adelbert, Bittl, Robert, ...
One of the two principal hypotheses put forward to explain the primary magnetoreception event underlying the magnetic compass sense of migratory birds is based on a magnetically sensitive chemical...
Kaffemik - a distributed JVM featuring a single address space architecture
CAHILL, VINCENT, WEBER, STEFAN
PUBLISHED