Michael Schmitt

Lehrstuhl Mathematik und Informatik Fakultät für Mathematik (2008)

Michael Schmitt, K. Warmuth

The computational complexity of learning from binary examples is investigated for linear threshold neurons. We introduce combinatorial measures that create classes of infinitely many learning...

Chemotaxonomic identification of single bacteria by micro-raman spectroscopy: Application to clean-room-relevant biological contaminations (2008)

Petra Rösch, Michaela Harz, Michael Schmitt, Klaus-dieter Peschke, Olaf Ronneberger, Hans Burkhardt, ...

Microorganisms, such as bacteria, which might be present as contamination inside an industrial food or pharmaceutical clean room process need to be identified on short time scales in order to...

Enhancing trust and buy-in from business: a platform for business-driven development of B2B transactions (2008)

Michael Schmitt, Stefan Leidner, Avenue John, F. Kennedy

Abstract. A measure for the quality of software is the extent to which it corresponds to the business objectives and requirements it was designed for. The earlier those who elicit the requirements...

Electron - Dark Matter Scattering in an Evacuated Tube (2008)

Kahn, Yonatan, Schmitt, Michael

The light dark matter model can explain both the primordial abundance of dark matter and the anomalous 511 keV gamma-ray signal from the galactic center. This model posits a light neutral scalar,...

simulation of (2008)

Michael Schmitt, Christophe Incoul, Sophie Ramel, Pierre Brimont, Eric Dubois

If business models could speak! Efficient: a framework for appraisal, design and

Towards a Reference Ontology for Business Models 1 Towards a Reference Ontology for Business Models (2008)

Birger Andersson, Maria Bergholtz, A Edirisuriya, Tharaka Ilayperuma, Paul Johannesson, Michael Schmitt, ...

Abstract. Ontologies are viewed as increasingly important tools for structuring domains of intrests. In this paper we propose a reference ontology of business models using concepts from three...

Towards a Common Ontology for Business Models (2008)

Birger Andersson, Maria Bergholtz, A Edirisuriya, Tharaka Ilayperuma, Paul Johannesson, Michael Schmitt, ...

Abstract. To create an understanding of enterprises and the ways they do business, a starting point could be to identify the main actors and the values transferred between them. Business models are...

Spectroscopy of formaldehyde in the 30140-30790cm^-1 range (2008)

Motsch, Michael, Schenk, Markus, Zeppenfeld, Martin, Schmitt, Michael, Meerts, W. Leo, Pinkse, Pepijn W. H., ...

Room-temperature absorption spectroscopy of formaldehyde has been performed in the 30140-30790cm^-1 range. Using tunable ultraviolet continuous-wave laser light, individual rotational lines are well...

BUSITAL'06 211 From Business to Process Models – a Chaining Methodology (2008)

Birger Andersson, Maria Bergholtz, Paul Johannesson, Michael Schmitt, Jelena Zdravkovic

Abstract. In this paper we discuss the problem of how to go from a business model to a process model in a systematic way. Business models are economic models used for business analysis, while process...

Inner Product Spaces for Bayesian Networks (2008)

Atsuyoshi Nakamura, Michael Schmitt, Niels Schmitt, Hans Ulrich Simon

Bayesian networks have become one of the major models used for statistical inference. We study the question whether the decisions computed by a Bayesian network can be represented within a...

herstellerunabhängige und präzise Standards für Kommunikationsprotokolle (2008)

Jens Grabowski, Ekkart Rudolph, Michael Schmitt

ersten Teil wird ein Überblick über SDL und MSC gegeben und die Anforderungsspezifikation mit Hilfe von MSC beschrieben. In the telecommunication area, Message Sequence Chart (MSC) and...

A Method for the Precision Mass Measurement of the Stop Quark at the International Linear Collider (2007)

Freitas, Ayres, Milstene, Caroline, Schmitt, Michael, Sopczak, Andre

Many supersymmetric models predict new particles within the reach of the next generation of colliders. For an understanding of the model structure and the mechanism(s) of symmetry breaking, it is...

Enhanced Rare Pion Decays from a Model of MeV Dark Matter (2007)

Kahn, Yonatan, Schmitt, Michael, Tait, Tim

A model has been proposed in which neutral scalar particles chi, of mass 1-10 MeV, annihilate through the exchange of a light vector boson U, of mass 10-100 MeV, to produce the 511 keV line observed...

On the Sample Complexity for Nonoverlapping Neural Networks (2007)

Michael Schmitt, Fakultat Fur Mathematik

A neural network is said to be nonoverlapping if there is at most one edge outgoing from each node. We investigate the number of examples that a learning algorithm needs when using nonoverlapping...

Charginos and Neutralinos in the Light of Radiative Corrections: Sealing the Fate of Higgsino Dark Matter (2007)

John Ellis Toby, John Ellis, Toby Falk, Gerardo Ganis, Keith A. Olive, Michael Schmitt

We analyze the LEP constraints from searches for charginos \Sigma and neutralinos i , taking into account radiative corrections to the relations between their masses and the underlying Higgs-mixing...

Computing Time Lower Bounds for Recurrent Sigmoidal Neural Networks (2007)

Michael Schmitt

Recurrent neural networks of analog units are computers for realvalued functions. We study the time complexity of real computation in general recurrent neural networks. These have sigmoidal, linear,...

Service Sockets: A Uniform User-Level Interface for Networking Applications (2007)

Michael Schmitt, Anurag Acharya, Max Ibel, Costin Iancu

As network services have evolved, their communication structures have become increasingly complex. This has led to a corresponding increase in complexity of applications that interact with these...

Produced as part of the ESPRIT Working Group in Neural and Computational Learning II, (2007)

Michael Schmitt

A neural network is said to be nonoverlapping if there is at most one edge outgoing from each node. We investigate the number of examples that a learning algorithm needs when using nonoverlapping...

Scintilla: Cluster Computing with SCI (2007)

Max Ibel, Klaus E. Schauser, Chris J. Scheiman, Michael Schmitt

The Scintilla project at UCSB studies SCI-based cluster computing. The Scalable Coherent Interface (SCI) is a recent communication standard for cluster interconnects. We focus on non-coherent SCI,...

Product Unit Neural Networks with Constant Depth and Superlinear VC Dimension (2007)

Michael Schmitt

Abstract. It has remained an open question whether there exist product unit networks with constant depth that have superlinear VC dimension. In this paper we give an answer by constructing...

Complexity of Boolean Computations (2007)

For Spiking Neuron, Michael Schmitt

We investigate the computational power of a model for a spiking neuron in the Boolean domain by comparing it with traditional neuron models such as threshold gates (or McCulloch-Pitts neurons) and...

On the Sample Complexity for Neural Trees (2007)

Michael Schmitt Lehrstuhl, Michael Schmitt

A neural tree is a feedforward neural network with at most one edge outgoing from each node. We investigate the number of examples that a learning algorithm needs when using neural trees as...

New Designs for the Descartes Rule of Signs (2007)

Michael Schmitt Lehrstuhl, Michael Schmitt

The question of how to construct polynomials having as many roots as allowed by the Descartes rule of signs has been the focus of interest recently \cite{AndersonJacksonS:98},\cite{Grabiner:99}. For...

VC Dimension Bounds for Product Unit Networks (2007)

Michael Schmitt Lehrstuhl, Michael Schmitt

A product unit is a formal neuron that multiplies its input values instead of summing them. Furthermore, it has weights acting as exponents instead of being factors. We investigate the complexity of...

Product Unit Neural Networks with Constant Depth and Superlinear VC Dimension (2007)

Michael Schmitt

It has remained an open question whether there exist product unit networks with constant depth that have superlinear VC dimension. In this paper we give an answer by constructing two-hidden-layer...

Detecting Neutrino Magnetic Moments with Conducting Loops (2007)

Apyan, Aram, Apyan, Armen, Schmitt, Michael

It is well established that neutrinos have mass, yet it is very difficult to measure those masses directly. Within the standard model of particle physics, neutrinos will have an intrinsic magnetic...

An Experiment to Search for Light Dark Matter in Low-Energy ep Scattering (2007)

Heinemeyer, Sven, Kahn, Yonatan, Schmitt, Michael, Velasco, Mayda

Anomalous production of low-energy photons from the galactic center have fueled speculations on the nature and properties of dark matter particles. In particular, it has been proposed that light...

Leukemia Associated Antigens: Their Dual Role as Biomarkers and Immunotherapeutic Targets for Acute Myeloid Leukemia (2007)

Barbara-Ann Guinn, Azim Mohamedali, Ken I. Mills, Barbara Czepulkowski, Michael Schmitt, Jochen Greiner

Leukemia associated antigens (LAAs) are being increasingly identified by methods such as cytotoxic T-lymphocyte (CTL) cloning, serological analysis of recombinant cDNA expression libraries (SEREX)...

Leukemia Associated Antigens: Their Dual Role as Biomarkers and Immunotherapeutic Targets for Acute Myeloid Leukemia (2007)

Barbara-Ann Guinn, Azim Mohamedali, Ken I. Mills, Barbara Czepulkowski, Michael Schmitt, Jochen Greiner

Leukemia associated antigens (LAAs) are being increasingly identified by methods such as cytotoxic T-lymphocyte (CTL) cloning, serological analysis of recombinant cDNA expression libraries (SEREX)...

B.: Towards a Reference Ontology for Business Models (2006)

Birger Andersson, Maria Bergholtz, A Edirisuriya, Tharaka Ilayperuma, Paul Johannesson, Jaap Gordijn, ...

Abstract. Ontologies are viewed as increasingly important tools for structuring domains of interests. In this paper we propose a reference ontology of business models using concepts from three...

Journal of Machine Learning Research 7 (2006) 55--83 Submitted 4/05; Published 1/06 On the Complexity of Learning Lexicographic Strategies (2006)

Michael Schmitt, Laura Martignon, Dana Ron

Fast and frugal heuristics are well studied models of bounded rationality. Psychological research has proposed the take-the-best heuristic as a successful strategy in decision making with limited...

On the complexity of learning lexicographic strategies (2006)

Michael Schmitt, Laura Martignon

Fast and frugal heuristics are well studied models of bounded rationality. Psychological research has proposed the take-the-best heuristic as a successful strategy in decision making with limited...

On the accuracy of bounded rationality: How far from optimal is fast and frugal (2006)

Michael Schmitt, Laura Martignon

Fast and frugal heuristics are well studied models of bounded rationality. Psychological research has proposed the take-the-best heuristic as a successful strategy in decision making with limited...

On the accuracy of bounded rationality: How far from optimal is fast and frugal (2006)

Michael Schmitt, Laura Martignon

Fast and frugal heuristics are well studied models of bounded rationality. Psychological research has proposed the take-the-best heuristic as a successful strategy in decision making with limited...

Bayesian Networks and Inner Product Spaces (2005)

Nakamura, Atsuyoshi, Schmitt, Michael, Schmitt, Niels, Simon, Hans

Bayesian networks have become one of the major models for statistical inference. We study the question whether the decisions computed by a Bayesian network can be represented within a low-dimensional...

Suppressing the negative effect of devaluation on group identification: The role of intergroup differentiation and intragroup respect (2005)

Jetten, Jolanda, Schmitt, Michael, Branscombe, Nyla, McKimmie, Blake M.

We examined (N = 76) how social creativity strategies such as intergroup differentiation and intragroup respect suppress the negative impact of threat to an ingroup's value on group identification....

Suppressing the negative effect of devaluation on group identification: The role of intergroup differentiation and intragroup respect (2005)

Jetten, Jolanda, Schmitt, Michael, Branscombe, Nyla, McKimmie, Blake M.

We examined (N = 76) how social creativity strategies such as intergroup differentiation and intragroup respect suppress the negative impact of threat to an ingroup's value on group identification....

Suppressing the negative effect of devaluation on group identification: The role of intergroup differentiation and intragroup respect (2005)

Jetten, Jolanda, Schmitt, Michael, Branscombe, Nyla, McKimmie, Blake M.

We examined (N = 76) how social creativity strategies such as intergroup differentiation and intragroup respect suppress the negative impact of threat to an ingroup's value on group identification....

THE STRUCTURE OF 4-METHYLPHENOL AND ITS WATER CLUSTER REVEALED BY ROTATIONALLY RESOLVED UV-SPECTROSCOPY USING A GENETIC ALGORITHM APPROACH (2005)

Myszkiewicz, Grzegorz, Meerts, W. Leo, Ratzer, Christian, Schmitt, Michael

Author Institution: Molecular- and Biophysics Group,; Institute for Molecules and Materials, Radboud University; Nijmegen,; NL-6500 GL Nijmegen, The Netherlands; Heinrich-Heine-Universitat, Institut...

Suppressing the negative effect of devaluation on group identification: The role of intergroup differentiation and intragroup respect (2005)

Jetten, Jolanda, Schmitt, Michael, Branscombe, Nyla, McKimmie, Blake M.

We examined (N = 76) how social creativity strategies such as intergroup differentiation and intragroup respect suppress the negative impact of threat to an ingroup's value on group identification....

Suppressing the negative effect of devaluation on group identification: The role of intergroup differentiation and intragroup respect (2005)

Jetten, Jolanda, Schmitt, Michael, Branscombe, Nyla, McKimmie, Blake M.

We examined (N = 76) how social creativity strategies such as intergroup differentiation and intragroup respect suppress the negative impact of threat to an ingroup's value on group identification....

Suppressing the negative effect of devaluation on group identification: The role of intergroup differentiation and intragroup respect (2005)

Jetten, Jolanda, Schmitt, Michael, Branscombe, Nyla, McKimmie, Blake M.

We examined (N = 76) how social creativity strategies such as intergroup differentiation and intragroup respect suppress the negative impact of threat to an ingroup's value on group identification....

Suppressing the negative effect of devaluation on group identification: The role of intergroup differentiation and intragroup respect (2005)

Jetten, Jolanda, Schmitt, Michael, Branscombe, Nyla, McKimmie, Blake M.

We examined (N = 76) how social creativity strategies such as intergroup differentiation and intragroup respect suppress the negative impact of threat to an ingroup's value on group identification....

Suppressing the negative effect of devaluation on group identification: The role of intergroup differentiation and intragroup respect (2005)

Jetten, Jolanda, Schmitt, Michael, Branscombe, Nyla, McKimmie, Blake M.

We examined (N = 76) how social creativity strategies such as intergroup differentiation and intragroup respect suppress the negative impact of threat to an ingroup's value on group identification....

Suppressing the negative effect of devaluation on group identification: The role of intergroup differentiation and intragroup respect (2005)

Jetten, Jolanda, Schmitt, Michael, Branscombe, Nyla, McKimmie, Blake M.

We examined (N = 76) how social creativity strategies such as intergroup differentiation and intragroup respect suppress the negative impact of threat to an ingroup's value on group identification....

Inner product spaces for Bayesian networks (2004)

Nakamura, Atsuyoshi, Schmitt, Michael, Schmitt, Niels, Simon, Hans Ulrich

We consider the idea of combining the key advantages of Bayesian networks and of kernel-based learning systems. In connection with two-label classification tasks over the Boolean domain, we study the...

Bayesian Networks and Inner Product Spaces (2004)

Nakamura, Atsuyoshi, Schmitt, Michael, Schmitt, Niels, Simon, Hans

In connection with two-label classification tasks over the Boolean domain, we consider the possibility to combine the key advantages of Bayesian networks and of kernel-based learning systems. This...

Some dichotomy theorems for neural learning problems (2004)

Schmitt, Michael

The computational complexity of learning from binary examples is investigated for linear threshold neurons. We introduce combinatorial measures that create classes of infinitely many learning...

Intrinsic lifetimes and anharmonic frequency shifts of long-wavelength optical phonons in polar crystals (2004)

Deinzer, Gernot, Schmitt, Michael, Mayer, Andreas P., Strauch, Dieter

Quantitative calculations of phonon lifetimes due to anharmonic three-phonon processes require knowledge of cubic anharmonic coupling coefficients. In order to determine the temperature dependence of...

Apparent Excess in e+e- --> hadrons (2004)

Schmitt, Michael

We have studied measurements of the cross section for e+e- --> hadrons for center-of-mass energies in the range 20--209 GeV. We find an apparent excess over the predictions of the Standard Model...

On the power of Boolean computations in generalized RBF neural networks (2004)

Friedrichs, Frauke, Schmitt, Michael

Generalized radial basis function (RBF) neurons are extensions of the RBF neuron model where the Euclidean norm is replaced by a weighted norm. We study binary-valued variants of generalized RBF...

An improved VC dimension bound for sparse polynomials (2004)

Schmitt, Michael

We show that the function class consisting of $k$-sparse polynomials in $n$ variables has Vapnik-Chervonenkis (VC) dimension at least $nk+1$. This result supersedes the previously known lower bound...

On the sample complexity of learning for networks of spiking neurons with nonlinear synaptic interactions (2004)

Schmitt, Michael

We study networks of spiking neurons that use the timing of pulses to encode information. Nonlinear interactions model the spatial groupings of synapses on the neural dendrites and describe the...

On the capabilities of higher-order neurons: a radial basis function approach (2004)

Schmitt, Michael

Higher-order neurons with $k$ monomials in $n$ variables are shown to have Vapnik-Chervonenkis (VC) dimension at least $nk+1$. This result supersedes the previously known lower bound obtained via...

DETERMINATION OF THE STRUCTURE OF 7-AZAINDOLE IN THE ELECTRONIC GROUND AND EXCITED STATE USING HIGH RESOLUTION ULTRAVIOLET SPECTROSCOPY AND AN AUTOMATED ASSIGNMENT BASED ON A GENETIC ALGORITHM (2004)

Meerts, W. Leo, Schmitt, Michael, Ratzer, Christian, Kleinermanns, Karl

$^{a}$ J.A. Hageman, R. Wehrens, R. de Gelder, W.L. Meerts and L.M.C. Buydens. J. Chem. Phys. 113 (2000) 7955-7962. W. L. Meerts, M. Schmitt and G. C. Groenenboom. accepted Can. J. Chem. (2004)

Bayesian networks and inner product spaces (2004)

Atsuyoshi Nakamura, Michael Schmitt, Niels Schmitt, Hans Ulrich Simon

1 Introduction During the last decade, there has been a lot of interest in learning systems whose hypotheses can be written as inner products in an appropriate feature space, trained with a learning...

Invisible Z-Boson Decays at e+e- Colliders (2003)

Carena, Marcela, De Gouvea, Andre, Freitas, Ayres, Schmitt, Michael

The measurement of the invisible Z-boson decay width at e+e- colliders can be done "indirectly", by subtracting the Z-boson visible partial widths from the Z-boson total width, or "directly", from...

Automatic test generation based on formal specifications ; practical procedures for efficient state space exploration and improved representation of test cases (2003)

Schmitt, Michael

To ensure that distributed, heterogeneous telecommunication systems can interact with each other, organizations such as the European Telecommunications Standards Institute define internationally...

APPLICATION OF THE GENETIC ALGORITHM IN THE ANALYIS OF COMPLEX MOLECULAR SPECTRA (2003)

Meerts, W. Leo, Schmitt, Michael, Groenenboom, G. C.

$^{a}$Direct Determination of Molecular Constants from Rovibronic Spectra with Genetic Algorithms. J.A. Hageman, R. Wehrens, R. de Gelder, W.L. Meerts and L.M.C. Buydens. J. Chem. Phys. 113 (2000)...

A Tutoring System for IT Security (2003)

Ji Hu, Michael Schmitt, Christian Willems, Christoph Meinel

Abstract: Due to the many vulnerabilities of today's computer systems, IT security education has become an important topic. For that reason, a new tutoring system is developed at the Institute...

Design and Implementation of a PHP-based Web Server for the Tele-Lab IT Security (2003)

Michael Schmitt, Ji Hu, Christoph Meinel, Michael Schmitt, Ji Hu, Christoph Meinel

The Tele-Lab IT Security project aims at specifying and implementing a web-based, intelligent tutoring system that allows computer science students, system administrators, and end users to get...

Entwicklung dotierter und undotierter Nb2O5-Sol-Gel-Schichten zur Anwendung als färbende Elektrode in elektrochromen Systemen (2002)

Schmitt, Michael

Beschichtungen aus Nb2O5 und Nb2O5 dotiert mit Sn, Zr, Li, Ti oder Mo wurden mit dem Sol-Gel-Prozess in Verbindung mit dem Tauchbeschichtungsverfahren hergestellt. Ihre optischen und...

Neural networks with local receptive fields and superlinear VC dimension (2002)

Michael Schmitt

mschmittlmi.ruhr-uni-bochum.de Local receptive field neurons comprise such well-known and widely used unit types as radial basis function neurons and neurons with center-surround receptive field. We...

Descartes' Rule of Signs for Radial Basis Function Neural Networks (2002)

Michael Schmitt

We establish versions of Descartes' rule of signs for radial basis function (RBF) neural networks. The RBF rules of signs provide tight bounds for the number of zeros of univariate networks with...

RBF Neural Networks and Descartes' Rule of Signs (2002)

Michael Schmitt

We establish versions of Descartes' rule of signs for radial basis function (RBF) neural networks. These RBF rules of signs provide tight bounds for the number of zeros of univariate networks...

Sol-gel niobium pentoxide coatings: Applications to photovoltaic energy conversion and electrochromism (2002)

Michel A. Aegerter, Michael Schmitt, Yeping Guo

In the last decade the sol-gel process became a promising method to synthesize materials in form of coatings, nanoscale powders and porous systems. Several products or devices made with such a...

Testing the Standard Model at the Fermilab Tevatron (2001)

Grunewald, Martin, Heintz, Ulrich, Narain, Meenakshi, Schmitt, Michael

In this note we study the prospect of high-precision measurements of W boson mass, top quark mass, and forward-backward asymmetry in Z->ee decays and the search for the Higgs boson during Run 2 to...

THE ROVIBRONIC SPECTRUM OF P-CYANOPHENOL (2001)

Küpper, Jochen, Schmitt, Michael

$^{a}$current address: University of North Carolina, Department of Chemistry, Chapel Hill, NC 27599. $^{b}$Berden et al., J. Chem. Phys. 104(1996), 972.

Radial basis function neural networks have superlinear VC dimension (2001)

Michael Schmitt

We establish superlinear lower bounds on the Vapnik-Chervonenkis (VC) dimension of neural networks with one hidden layer and local receptive field neurons. As the main result we show that every...

On the complexity of computing and learning with multiplicative neural networks (2001)

Michael Schmitt

In a great variety of neuron models neural inputs are combined using the summing operation. We introduce the concept of multiplicative neural networks that contain units which multiply their inputs...

Entwicklung dotierter und undotierter Nb2O5-Sol-Gel-Schichten zur Anwendung als färbende Elektrode in elektrochromen Systemen (2000)

Schmitt, Michael

Beschichtungen aus Nb2O5 und Nb2O5 dotiert mit Sn, Zr, Li, Ti oder Mo wurden mit dem Sol-Gel-Prozess in Verbindung mit dem Tauchbeschichtungsverfahren hergestellt. Ihre optischen und...

The Development of a Parser for SDL-2000 (2000)

Michael Schmitt

Union (ITU) has adopted the latest release of the Specication and Description Language. SDL-2000 introduces a lot of new features and generalizes existing concepts. Because of its many changes, there...

Lower Bounds on the Complexity of Approximating Continuous Functions by Sigmoidal Neural Networks (2000)

Michael Schmitt

We calculate lower bounds on the size of sigmoidal neural networks that approximate continuous functions. In particular, we show that for the approximation of polynomials the network size has to grow...

Lower Bounds on the Complexity of Approximating Continuous Functions by Sigmoidal Neural Networks (2000)

Michael Schmitt

We calculate lower bounds on the size of sigmoidal neural networks that approximate continuous functions. In particular, we show that for the approximation of polynomials the network size has to grow...

VC Dimension Bounds for Product Unit Networks (2000)

Michael Schmitt Nc, Michael Schmitt

A product unit is a formal neuron that multiplies its input values instead of summing them. Furthermore, it has weights acting as exponents instead of being factors. We investigate the complexity of...

Lower bounds on the complexity of approximating continuous functions by sigmoidal neural networks (2000)

Michael Schmitt, Lehrstuhl Mathematik Informatik

Abstract We calculate lower bounds on the size of sigmoidal neural networks that approximate continuous functions. In particular, we show that for the approximation of polynomials the network size...

HIGH RESOLUTION ELECTRONIC SPECTROSCOPY OF PHENOL-METHANOL (1999)

Küpper, Jochen, Westphal, Arnim, Schmitt, Michael, Kleinermanns, Karl

$^{a}$ G. Berden, W.L. Meerts, M. Schmitt and K. Kleinermanns. J. Chem. Phys. 104 (1996), 972.

Wrens: A Framework for Rapidly Evolvable Network Services (1999)

Anurag Acharya, Maximilian Ibel, Michael Schmitt, Mathias Koelsch, Davor Magdic, Ben Smith, ...

In this paper, we describe the Wrens framework for rapidly evolvable network services. The goal of Wrens is to provide the abstractions and the infrastructure that facilitate rapid development,...

Service Sockets: Design, Implementation and Interfaces (1999)

Michael Schmitt, Anurag Acharya, Max Ibel

As network services have evolved, their communication structures have become increasingly complex. This increase in the complexity in the communication structure of services is mirrored by an...

On the Implications of Delay Adaptability for Learning in Pulsed Neural Networks (1999)

Michael Schmitt

We consider a model for networks of neurons that compute and communicate in terms of pulses. In addition to weights and thresholds, which are commonly the parameters of artificial neural networks,...

On the Implications of Delay Adaptability for Learning in Pulsed Neural Networks (1999)

Michael Schmitt

We consider a model for networks of neurons that compute and communicate in terms of pulses. In addition to weights and thresholds, which are commonly the parameters of artificial neural networks,...

VC Dimension Bounds for Higher-Order Neurons (1999)

Michael Schmitt Lehrstuhl, Michael Schmitt

We investigate the sample complexity for learning using higher-order neurons. We calculate upper and lower bounds on the Vapnik-Chervonenkis dimension and the pseudo dimension for higher-order...

VC dimension bounds for networks of spiking neurons (1999)

Michael Schmitt

Abstract. We calculate bounds on the VC dimension and pseudo dimension for networks of spiking neurons. The connections between network nodes are parameterized by transmission delays and synaptic...

Land Combat Systems Industry Study 2004 (1998)

Fuller, Peter, Estrada, Armando, Schmitt, Michael, Barnhart, David, Anderson, Warren, Chudoba, Phillip, ...

The focus of the 2004 academic year Land Combat Systems (LCS) Industry Study was strictly on the armored combat vehicle portion of LCS, and was conducted within the framework of the United States...

Charginos and Neutralinos in the Light of Radiative Corrections: Sealing the Fate of Higgsino Dark Matter (1998)

Ellis, John, Falk, Toby, Ganis, Gerardo, Olive, Keith A., Schmitt, Michael

We analyze the LEP constraints from searches for charginos $\chi^{\pm}$ and neutralinos $\chi_i$, taking into account radiative corrections to the relations between their masses and the underlying...

ROTATIONALLY RESOLVED ELECTRONIC SPECTROSCOPY OF MEDIUM SIZED AROMATIC $MOLECULES^{a}$ (1998)

Küpper, Jochen, Westphal, Arnim, Schmitt, Michael

$^{a}$ Work supported by Deutsche Forschung***g***schaft (Schm 1043/7-1) $^{b}$ http://luz.nm***.edu*** rtlinux V. Yodaiken, Cheap operating system research and teaching with Linux, New Mexico...

A STUDY OF 2H- AND 2D-BENZOTRIAZOLE IN THEIR LOWEST ELECTRONIC STATES BY UV-LASER DOUBLE RESONANCE SPECTROSCOPY (1998)

Roth, Wolfgang, Jacoby, Christoph, Westphal, Arnim, Schmitt, Michael

$^{a}$ W. Roth, Ch. Jacoby, A. Westphal and M. Schmitt accepted for publication in J. Phys. Chem. (1989) $^{b}$ G. Berden, E. Jalviste and W.L. Meerts Chem. Phys. Lett. 226 (1994) 305-309

Autolink- A Tool for Automatic Test Generation from SDL Specifications (1998)

Beat Koch, Jens Grabowski, Dieter Hogrefe, Michael Schmitt

Due to an increasing interest in SDL, MSC and TTCN based tools for validation and test generation, Telelogic AB, Malmo, and the Institute for Telematics of the University of Lubeck are cooperating in...

SDL and MSC Based Test Generation for Distributed Test Architectures (1998)

Jens Grabowski, Beat Koch, Michael Schmitt, Dieter Hogrefe

Most of the SDL and MSC based test generation methods and tools produce nonconcurrent TTCN test cases only. If the test equipment itself is a distributed system, the implementation of such test cases...

Adaptive Receiver Notification for Non-Dedicated Workstation Clusters (1998)

Michael Schmitt, Max Ibel, Anurag Acharya, Klaus Schauser

Efficient communication in a NOW environment can be a challenging task. Depending on the application, the architecture of the nodes and the characteristics of other processes running on the nodes,...

An Efficient Global Address Space Model with SCI (1998)

Maximilian Ibel, Michael Schmitt, Klaus Schauser, Anurag Acharya

One of the most powerful features of I/O-bus-based SCI is its ability for non-coherent remote memory access with a simple load/store interface. SCI bridges the gap between clusters with expensive,...

Adaptive Receiver Notification for Non-Dedicated Workstation Clusters (1998)

Michael Schmitt, Max Ibel, Anurag Acharya, Klaus Schauser

Efficient communication in a NOW environment can be a challenging task. Depending on the application, the architecture of the nodes and the characteristics of other processes running on the nodes,...

On the Complexity of Computing and Learning with Networks of Spiking Neurons (1998)

Wolfgang Maass, Michael Schmitt

In a network of spiking neurons a new set of parameters becomes relevant which has no counterpart in traditional neural network models: the time that a pulse needs to travel through a connection...

Self-Organizing Maps of Spiking Neurons Using Temporal Coding (Summary) (1998)

Berthold Ruf, Michael Schmitt

1.74> ; : : : ; wm . Each u i fires exactly once within a sufficiently small time intervall at a time t i with t i = T 1 \Gamma s i , where s i is the ith input to v and T 1 some constant. Under...

Self-Organization of Spiking Neurons Using Action Potential Timing (1998)

Berthold Ruf, Michael Schmitt

We propose a mechanism for unsupervised learning in networks of spiking neurons which is based on the timing of single firing events. Our results show that a topology preserving behaviour quite...

On Computing Boolean Functions by a Spiking Neuron (1998)

Michael Schmitt

Computations by spiking neurons are performed using the timing of action potentials. We investigate the computational power of a simple model for such a spiking neuron in the Boolean domain by...

Identification Criteria and Lower Bounds for Perceptron-like Learning Rules (1998)

Michael Schmitt

Perceptron-like learning rules are known to require exponentially many correction steps in order to identify Boolean threshold functions exactly. We introduce criteria that are weaker than exact...

Constraints on Neutralino Dark Matter from LEP 2 and Cosmology (1997)

Ellis, John, Falk, Toby, Olive, Keith A., Schmitt, Michael

A significant lower limit on the mass of the lightest neutralino \chi can be obtained by combining the results from sparticle searches at LEP at centre-of-mass energies up to 172 GeV with...

DISPERSED FLUORESCENCE AND HOLE BURNING SPECTRA OF BENZOTRIAZOLE (1997)

Schmitt, Michael, Roth, Wolfgang, Jacoby, Christoph, Kleinermanns, Karl

Author Institution: Institute f\""ur Physikalische Chemie und Elektrochemie I, Heinrich-Heine-Universit\{a}t

STATE LABELING SPECTROSCOPY: A NEW INSIGHT INTO INTERMOLECULAR VIBRATIONS AND TORSION OF THE WATER MOIETY IN PHENOL$(H_{2}O)_{1}$ (1997)

Schmitt, Michael, Jacoby, Christoph, Kleinermanns, Karl

Author Institution: Institut f\""ur Physikalische Chemie und Elektrochemie 1, Heinrich-Heine-Universit\""at D\""usseldorf

Complexity of learning for networks of spiking neurons", submitted for publication (1997)

Michael Schmitt

We study model networks of spiking neurons where synaptic inputs interact in terms of nonlinear functions. These nonlinearities are used to represent the spatial grouping of synapses on the dendrites...

Complexity of learning for networks of spiking neurons", submitted for publication (1997)

Michael Schmitt

Abstract. We study model networks of spiking neurons where synaptic inputs interact in terms of nonlinear functions. These nonlinearities are used to represent the spatial grouping of synapses on the...

AUTOLINK - A Tool for the Automatic and Semi-Automatic Test Generation (1997)

Michael Schmitt, Beat Koch, Jens Grabowski, Dieter Hogrefe

Due to increasing interest in validation and test generation tools, Telelogic AB, Malmo, and the Institute for Telematics of the University of Lubeck have started a research and development project...

Hebbian Learning in Networks of Spiking Neurons Using Temporal Coding (1997)

Berthold Ruf, Michael Schmitt

. Computational tasks in biological systems that require short response times can be implemented in a straightforward way by networks of spiking neurons that encode analogue values in temporal...

Unsupervised Learning in Networks of Spiking Neurons Using Temporal Coding (1997)

Berthold Ruf, Michael Schmitt

. We propose a mechanism for unsupervised learning in networks of spiking neurons which is based on the timing of single firing events. Our results show that a topology preserving behaviour quite...

Learning Temporally Encoded Patterns in Networks of Spiking Neurons (1997)

Berthold Ruf, Michael Schmitt

. Networks of spiking neurons are very powerful and versatile models for biological and artificial information processing systems. Especially for modelling pattern analysis tasks in a biologically...

Towards the Industrial Use of Validation Techniques and Automatic Test Generation Methods for SDL Specifications (1997)

Anders Ek, Jens Grabowski, Dieter Hogrefe, Richard Jerome, Beat Koch, Michael Schmitt

Due to increasing demands from companies and standardisation bodies, Telelogic AB and the University of Lubeck started a research and development project in October 1996 which aims at improving the...

On the Complexity of Learning for a Spiking Neuron (1997)

Wolfgang Maass, Michael Schmitt

) Wolfgang Maass and Michael Schmitt Abstract Spiking neurons are models for the computational units in biological neural systems where information is considered to be encoded mainly in the temporal...

On the Complexity of Learning for Spiking Neurons with Temporal Coding (1997)

Wolfgang Maass, Michael Schmitt

Spiking neurons are models for the computational units in biological neural systems where information is considered to be encoded mainly in the temporal patterns of their activity. In a network of...

Unsupervised learning in networks of spiking neurons using temporal coding (1997)

Berthold Ruf, Michael Schmitt

Abstract. We propose a mechanism for unsupervised learning in networks of spiking neurons which isbased on the timing of single ring events. Our results show that a topology preserving behaviour...

Supersymmetric Dark Matter in the Light of LEP 1.5 (1996)

Ellis, John, Falk, Toby, Olive, Keith, Schmitt, Michael

We discuss the lower limit on the mass of the neutralino $\chi$ that can be obtained by combining data from $e^+e^-$ annihilation at LEP and elsewhere with astrophysical and theoretical...

REMPI SPECTRA AND AB INITIO CALCULATIONS OF BENZOTRIAZOLE AND ITS WATER CLUSTERS (1996)

Schmitt, Michael, Roth, Wolfgang, Jacoby, Christoph, Kleinermanns, Karl

Author Institution: Institut f\""{u}r Physikalische Chemie und Elektrochemie I, Heinrich-Heine Universit\""{a}t D\""{u}sseldorf

The GNU project www.gnu.org (1996)

Michael Schmitt

We investigate the computational complexity of identifying neural weights using Perceptron-like learning rules. These are understood as instructions to change weights by a fixed amount after...

Exact VC-Dimension of Boolean Monomials (1996)

Thomas Natschläger, Michael Schmitt

We show that the Vapnik-Chervonenkis dimension of Boolean monomials over n variables is at most n for all n 2. It follows that the VC-dimension is determined exactly and is, except for n = 1, equal...

Autolink - Putting formal test methods into practice (1996)

Michael Schmitt, Beat Koch, Jens Grabowski, Dieter Hogrefe

Autolink is a tool for automatic test generation. It allows to generate TTCN test suites based on a given SDL specification and MSC requirements. The first big challenge for Autolink has been the...

HIGH RESOLUTION UV SPECTROSCOPY OF PHENOL AND THE HYDROGEN BONDED PHENOL/WATER CLUSTER (1995)

Berden, Giel, Meerts, W. Leo, Schmitt, Michael, Kleinermanns, Karl

Author Institution: University of Nijmegen, 6525 ED Nijmegen. The Netherlands; Heinrich-Heine Universität Düsseldorf, 40225 Düsseldorf, Germany

DISPERSED FLUORESCENCE SPECTROSCOPY OF THE PHENOL/METHANOL CLUSTER (1995)

Schmitt, Michael, Henrichs, Uwe, Müller, H., Gerhards, M., Kleinermanns, Karl

Author Institution: Heinrich-Heine Universität Düsseldorf, 40225 Düsseldorf, Germany

On Methods to Keep Learning Away from Intractability (Extended Abstract) (1995)

Michael Schmitt

We investigate the complexity of learning from restricted sets of training examples. With the intention to make learning easier we introduce two types of restrictions that describe the permitted...

Beauty Semileptonic Branching Ratios (1995)

Michael Schmitt

Recent measurements of inclusive and exclusive semileptonic b branching ratios are reviewed. Model-independent analyses from ARGUS and CLEO confirm the value B(b ! `X) = 10:4%, while new analyses...

SPECTRAL HOLE BURNING AS PROBE OF INTERMOLECULAR VIBRATIONS IN HYDROGEN BONDED MOLECULAR COMPLEXES (1994)

Schmitt, Michael, Müller, H., Kleinermanns, Karl

[1] S.A. Wittmeyer, M.R. Topp, Chem. Phys. Lett. 163, 261 (1989) [2] M. Schmitt, H. M\""{u}ller, K. Kleinermanns, Chem. Phys. Lett. accepted for publication (1994)

On the Size of Weights for McCulloch-Pitts Neurons (1994)

Michael Schmitt

The maximum absolute value of integral weights sufficient to represent any linearly separable Boolean function is investigated. It is shown that upper bounds exhibited by Muroga (1971) for rational...

On the Complexity of Consistency Problems for Neurons with Binary Weights (1994)

Michael Schmitt, Abteilung Neuroinformatik

We inquire into the complexity of training a neuron with binary weights when the training examples are Boolean and required to have bounded coincidence and heaviness. Coincidence of an example set is...

INTERACTION OF TORSION AND OVERALL ROTATION IN P-CRESOL (1993)

Schmitt, Michael, Müller, H., Kleinermanns, Karl

$^{1}$ M. Gerhards, B. Kimpfel, M. Pohl, M. Schmitt, K. Kleinermanns J. Mol. Struct. 270. 301 (1992)

Wirkung von Lysolecithin auf normale und transformierte Zellkulturen. (1975)

Schmitt, Michael.

Freiburg (Breisgau), Univ., Med. Fak., Diss., 1975. (Nicht f. d. Austausch.).

Zur Therapie von Augenverätzungen : Entwicklung u. heutiger Stand. (1974)

Schmitt, Michael.

Frankfurt (Main), Univ., Fachbereich 19 - Humanmedizin, Diss. 1974.

Zur Therapie von augenverätzungen Entwicklung und heutiger Stand / (1974)

Schmitt, Michael.

Thesis (doctoral)--Johann Wolfgang Goethe-Universität zu Frankfurt am Main, 1974.

Das Grundsteuerkataster, sein Wesen und seine Bedeutung. (1949)

Schmitt, Michael.

München, Staatswirtsch. F., Diss. v. 12. Juli 1949 (Nicht f. d. Austausch).

HutZ Is Required for Efficient Heme Utilization in Vibrio cholerae

Wyckoff, Elizabeth E., Schmitt, Michael, Wilks, Angela, Payne, Shelley M.

Vibrio cholerae, the causative agent of cholera, requires iron for growth. One mechanism by which it acquires iron is the uptake of heme, and several heme utilization genes have been identified in V....

Chemotaxonomic Identification of Single Bacteria by Micro-Raman Spectroscopy: Application to Clean-Room-Relevant Biological Contaminations

Rösch, Petra, Harz, Michaela, Schmitt, Michael, Peschke, Klaus-Dieter, Ronneberger, Olaf, Burkhardt, Hans, ...

Microorganisms, such as bacteria, which might be present as contamination inside an industrial food or pharmaceutical clean room process need to be identified on short time scales in order to...

Chronic Arsenic Exposure and Oxidative Stress: OGG1 Expression and Arsenic Exposure, Nail Selenium, and Skin Hyperkeratosis in Inner Mongolia

Mo, Jinyao, Xia, Yajuan, Wade, Timothy J., Schmitt, Michael, Le, X. Chris, Dang, Runhe, ...

Arsenic, a human carcinogen, is known to induce oxidative damage to DNA. In this study we investigated oxidative stress and As exposure by determining gene expression of OGG1, which codes for an...

HutZ Is Required for Efficient Heme Utilization in Vibrio cholerae

Wyckoff, Elizabeth E., Schmitt, Michael, Wilks, Angela, Payne, Shelley M.

Vibrio cholerae, the causative agent of cholera, requires iron for growth. One mechanism by which it acquires iron is the uptake of heme, and several heme utilization genes have been identified in V....

Chemotaxonomic Identification of Single Bacteria by Micro-Raman Spectroscopy: Application to Clean-Room-Relevant Biological Contaminations

Rösch, Petra, Harz, Michaela, Schmitt, Michael, Peschke, Klaus-Dieter, Ronneberger, Olaf, Burkhardt, Hans, ...

Microorganisms, such as bacteria, which might be present as contamination inside an industrial food or pharmaceutical clean room process need to be identified on short time scales in order to...

Chronic Arsenic Exposure and Oxidative Stress: OGG1 Expression and Arsenic Exposure, Nail Selenium, and Skin Hyperkeratosis in Inner Mongolia

Mo, Jinyao, Xia, Yajuan, Wade, Timothy J., Schmitt, Michael, Le, X. Chris, Dang, Runhe, ...

Arsenic, a human carcinogen, is known to induce oxidative damage to DNA. In this study we investigated oxidative stress and As exposure by determining gene expression of OGG1, which codes for an...

On the Complexity of Computing and Learning with Multiplicative Neural Networks

Michael Schmitt

In a great variety of neuron models neural inputs are combined using the summing operation. We introduce the concept of multiplicative neural networks which contain units that multiply their inputs...

Towards the Industrial Use of Validation Techniques and Automatic Test Generation Methods for SDL Specifications

Anders Ek, Jens Grabowski, Dieter Hogrefe, Richard Jerome, Beat Koch, Michael Schmitt

Service Primitive) definitions are generated automatically. All SDL signals appearing on channels to the environment are translated to ASN.1 ASPs. ffl PCOs (Points of Control and Observation) are...

Leukemia Associated Antigens: Their Dual Role as Biomarkers and Immunotherapeutic Targets for Acute Myeloid Leukemia

Guinn, Barbara-ann, Mohamedali, Azim, Mills, Ken I., Czepulkowski, Barbara, Schmitt, Michael, Greiner, Jochen

Leukemia associated antigens (LAAs) are being increasingly identified by methods such as cytotoxic T-lymphocyte (CTL) cloning, serological analysis of recombinant cDNA expression libraries (SEREX)...

RHAMM (CD168) Is Overexpressed at the Protein Level and May Constitute an Immunogenic Antigen in Advanced Prostate Cancer Disease1

Gust, Kilian M, Hofer, Matthias D, Perner, Sven R, Kim, Robert, Chinnaiyan, Arul M, Varambally, Sooryanarayana, ...

Localized prostate cancer (CaP) can be cured using several strategies. However, the need to identify active substances in advanced tumor stages is tremendous, as the outcome in such cases is still...