The CAMAS workbench: Computer Aided Migration (2009)
Utup E, M. Beemster, L. O. Hertzberger
A simulation methodology for predicting the performance of sequential programs as well as data parallel (SPMD) programs on parallel and distributed platforms is presented. The proposed methodology...
18 ONTOLOGY-BASED AUTOMATIC DATA STRUCTURE GENERATION FOR COLLABORATIVE NETWORKS (2008)
Victor Guevara-masis, Hamideh Afsarmanesh, L. O. Hertzberger
Different forms of web-based collaborations are continuously configured and growing. Such emerging collaborative networks (CNs) are exemplified by Virtual Organizations, Virtual Communities, and...
PRISMA Contributions P RISMA, a platform for experiments with parallelism (2008)
L. O. Hertzberger, M. L Kersten
Using a large multiprocessor, consisting of 100 processing nodes, in the area of data and knowledge processing poses challenging research and engineering questions. The PRISMA project presented here...
Summary A toolkit for parallel functional programming (2008)
Pieter H. Hartel, Koen G. Langendoeny, Henk L. Mullerz, Willem G. Vree, L. O. Hertzberger
Our toolkit for the design and implementation of parallel functional programs supports the stepwise development of parallel programs from a high level sequential specification to an optimised...
A low-cost posemeasuring system for robot calibration, Robotics and Autonomous Systems (2008)
J. M. Lagerberg, A. Visser, L. O. Hertzberger
To maintain robot accuracy, calibration equipment is needed. In this paper we present a self-calibrating measuring system based on a camera in the robot hand plus a known reference object in the...
Abstract MERMAID Modelling and Evaluation Research in MIMD ArchItecture Design (2008)
J. Brummen, A. D. Pimentel, T. Papathanassiadis, L. O. Hertzberger
The Mermaid project focuses on the construction of simulation models for MIMD multicomputers in order to evaluate them and to give estimates of the system’s performance. A multi-layered approach...
Motivated by work on Electronic Fee Collection, we formulate a general simulation concept to evaluate the performance of Intelligent Transport Systems, and introduce the virtual sensor concept as a...
Motivated by work on Electronic Fee Collection, we formulate a general simulation concept to evaluate the performance of Intelligent Transport Systems, and introduce the virtual sensor concept as a...
Abstract MERMAID Modelling and Evaluation Research in MIMD ArchItecture Design (2008)
J. Brummen, A. D. Pimentel, T. Papathanassiadis, L. O. Hertzberger
The Mermaid project focuses on the construction of simulation models for MIMD multicomputers in order to evaluate them and to give estimates of the system’s performance. A multi-layered approach...
A portable measuring system for robot calibration (2008)
A. Visser, J. M. Lagerberg, L. O. Hertzberger
Currently, much production time is lost in teaching and re-teaching robot programs. New techniques that avoid this, such as off-line programming, require an accurate kinematic model of the robot. To...
A Comparison of the Iserver-Occam, Parix, Express, and PVM Programming Environments on (2008)
A Parsytec Gcel, A. G. Hoekstra, L. O. Hertzberger
We compare the Iserver-Occam, Parix, PVM, and Express parallel programming environments on a Parsytec GCel with 512 T805 transputers. The comparison will be made by a detailed analysis of the...
A. D. Pimentel, E. F. Deprettere, L. O. Hertzberger
Abstract—Modern signal processing and multimedia embedded systems increasingly need to be able to support a wide range of applications and standards. These systems require programmable components...
Simulation of a Mesh of Clos Wormhole Network (2007)
A. D. Pimentel, L.O. Hertzberger
Wiring constraints often result in a trade-off between efficiency and realizability when designing communication networks for multicomputers. By combining the connectivity of multistage networks with...
Simulation of a Mesh of Clos Wormhole Network (2007)
A. D. Pimentel, L.O. Hertzberger
The pursuit of high connectivity in communication network design for multicomputers is often complicated by wiring constraints. The Mesh of Clos topology, which combines a multistage network with a...
Database Support for Multi-media Information in Web Based Applications (2007)
Ammar Benabdelkader Hamideh, Hamideh Afsarmanesh, L. O. Hertzberger
: Storing, organizing, accessing, and maintaining distributed information (documents) for specific Web applications is a difficult and error-prone task if many critical information is not easily and...
Simulation of a Mesh of Clos Wormhole Network (2007)
A. D. Pimentel, L.O. Hertzberger
The pursuit of high connectivity in communication network design for multicomputers is often complicated by wiring constraints. The Mesh of Clos topology, which combines a multistage network with a...
Using A Functional Notation To Specify Abstract Simulation Models (2007)
H. L. Muller, P. H. Hartel, L. O. Hertzberger
SIMULATION MODELS H.L. Muller P.H. Hartel L.O. Hertzberger University of Amsterdam, Kruislaan 403, 1098 SJ Amsterdam, Holland Abstract Simulation is the process where a real world entity is modelled...
Sloot Hoekstra, A Parsytec Gcel, A. G. Hoekstra, L. O. Hertzberger
We compare the Iserver-Occam, Parix, PVM, and Express parallel programming environments on a Parsytec GCel with 512 T805 transputers. The comparison will be made by a detailed analysis of the...
evaluation of Automatic Dehiring Systems (2007)
L. Dorst, J. Breeman T, A. Hoekstra, J. Lagerberg, A. Visser, H. Yakall, ...
the
A low-cost posemeasuring system for robot calibration, Robotics and Autonomous Systems (2007)
J. M. Lagerberg, A. Visser, L. O. Hertzberger
To maintain robot accuracy, calibration equipment is needed. In this paper we present a self-calibrating measuring system based on a camera in the robot hand plus a known reference object in the...
by Evaluating Automatic Debiting Systems Modelling and Simulation of Virtual Sensors (2007)
J. Lagerberg, A. Visser, H. Yakall, L. O. Hertzberger
An ADS (Automatic Debiting System) is an electronic fee collection (EFC) system on a freeway, which interacts with a transponder in each car, and subtracts a fee from a credit card. Non-payers are to...
B. J. Overeinder, L. O. Hertzberger
In this paper we formulate functional and implementational aspects of an Asynchronous Cellular Automata model that facilitates basic research into the strength and limitations of various parallel...
A. Visser, H. H. Yakali, M. Oud, L. O. Hertzberger
An hiemrchicgl view on modelling the religbility of g DSRC-link
A. D. Pimentel, E. F. Deprettere, L. O. Hertzberger
Abstract—Modern signal processing and multimedia embedded systems increasingly need to be able to support a wide range of applications and standards. These systems require programmable components...
On Hybrid Abstraction-level Models in Architecture Simulation (2007)
A. W. Halderen, A. Belloum, A. D. Pimentel, L. O. Hertzberger
Abstract — In the life cycle of a hardware design, it is often needed to start first with a gross evaluation, typically performed using abstract simulation models, then refine the design in a...
Template matching as a tool for annotation of tomograms of stained biological structures (2007)
Lebbink, M.N., Geerts, W.J., Bouwhuis, M., Hertzberger, L.O., Verkleij, A.J., ...
In recent years, electron tomography has improved our three-dimensional (3D) insight in the structural architecture of cells and organelles. For studies that involve the 3D imaging of stained...
Virtual Community Support in Telecare (2004)
Hamideh Afsarmanesh, Víctor Guevara Masís, L. O. Hertzberger
A few virtual community support systems, with some unsophisticated tools, appeared at the beginning of the era of Internet availability and pervasive computing. Ever since however, many such systems...
Federated management of information for TeleCARE (2004)
Hamideh Afsarmanesh, Victor Guevara-masis, L. O. Hertzberger
Abstract. Distributed information management plays a fundamental role within the base infrastructure supporting the elderly care domain. Specificities of this domain include the autonomy and...
VLAM-G: A Grid-Based virtual laboratory (2002)
H. Afsarmanesh, R. Belleman, A. Benabdelkader, G. B. Eijkel, ...
The Grid-based Virtual Laboratory AMsterdam (VLAM-G), provides a science portal for distributed analysis in applied scientific research. It offers scientists experiment control, data handling...
Concurrent Evaluation of Web Cache Replacement and Coherence Strategies (2002)
When studying web cache replacement strategies, it is often assumed that documents are static. Such an...
L. O. Hertzberger, L. O. Hertzberger
On behalf of:
Dealing with one-timer-documents in web caching (1998)
A proper initialization requires starting the process in a state close to the expected steady-state. In web caching, the initialization problem is faced each time a new document enters the cache,...
Document replacement policies dedicated to web caching (1998)
Web caching has been considered as a powerful solution to deal with the growth of web traffic. Several studies have shown that caching documents throughout the Internet can save network bandwidth and...
Distributed Simulation Of Multicomputer Architectures With Mermaid (1998)
A. D. Pimentel, L.O. Hertzberger
This paper describes the parallelization of the Mermaid multicomputer simulation environment. Due to our simulation methodology, this parallelization is reasonably straightforward as it does not...
High Performance Discrete Event Simulations to evaluate Complex Industrial Systems (1997)
Alfons Hoekstra, A. G. Hoekstra, Leo Dorst, Martin Bergman, Jose Lagerberg, Frans Groen, ...
We have developed a Modelling and Simulation platform for technical evaluation of Electronic Toll Collection on Motor Highways. This platform is used in a project of the Dutch government to assess...
RAPID: RAPid Interpretation of Data (1997)
Pimentel Hertzberger Dept, A. D. Pimentel, L. O. Hertzberger
The RAPID tool facilitates the analysis and the visualization of data residing in arbitrary text files. It differs from other analysis applications in the way it selects and operates on data. In...
Runtime Visualization of Computer Architecture Simulations (1997)
H. C. Kok, A. D. Pimentel, L.O. Hertzberger
The discrete--event simulation language Pearl, which is specifically designed for simulating computer architectures, features a strong statistical analysis engine. However, the output of this engine...
A. G. Hoekstra, L. Dorst, M. Bergman, J. Lagerberg, A. Visser, H. Yakali, ...
We have developed a Modelling and Simulation platform for technical evaluation of Electronic Toll Collection on Motor Highways. This platform is used in a project of the Dutch government to assess...
Runtime visualization of computer architecture simulations. To appear (1997)
H. C. Kok, A. D. Pimentel, L. O. Hertzberger
The discrete–event simulation language Pearl, which is specifically designed for simulating computer architectures, features a strong statistical analysis engine. However, the output of this engine...
An architecture workbench for multicomputers (1997)
A. D. Pimentel, L. O. Hertzberger
The large design space of modern computer architectures calls for performance modelling tools to facilitate the evaluation of different alternatives. In this paper, we give an overview of the Mermaid...
Co-working and Management of Federated Information-Clusters (1996)
M. Wiedijk, H. Afsarmanesh, L. O. Hertzberger
Abstract. This paper presents a facility for definition and management of federated clusters of interrelated information. In a co-working environment, team members need to exchange information in...
Evaluation of a Mesh of Clos wormhole network (1996)
A. D. Pimentel, L. O. Hertzberger
The pursuit of high connectivity in network design for multicomputers is often complicated by wiring constraints, resulting in a trade-off between efficiency and realizability. The Mesh of Clos...
A Dynamic Load Balancing System for Parallel Cluster Computing (1996)
B. J. Overeinder, R. N. Heederik, L. O. Hertzberger
In this paper we discuss a new approach to dynamic load balancing of parallel jobs in clusters of workstations and describe the implementation into a Unix run-time environment. The efficiency of the...
The Mermaid Architecture-workbench for Multicomputers (1996)
A. D. Pimentel, L.O. Hertzberger
Cache hierarchy Bus Figure 3: The template architecture models. defines a bus component. It is a simple forwarding mechanism, carrying out arbitration upon multiple accesses. The parameters used to...
Comparing the parix and PVM parallel programming environments (1995)
A. G. Hoekstra, L. O. Hertzberger
Genericity of parallel programming environments, enabling development of portable parallel programs, is expected to result in performance penalties. Furthermore, programmability and tool support of...
Data and Event Handling for the MARIE Vehicle (1995)
A. Visser, L.O. Hertzberger, Faculty Of
In autonomous control systems the sensor-actuator control loop plays a dominant role. It is essential to give the system the capability to react to changes in its environment. A flexible autonomous...
A Portable Measuring System for Robot Calibration (1995)
A. Visser, J. M. Lagerberg, L.O. Hertzberger
Currently, much production time is lost in teaching and re-teaching robot programs. New techniques that avoid this, such as off-line programming, require an accurate kinematic model of the robot. To...
Modelling and Evaluation Research in ArchItecture Design (MERMAID) (1995)
A. D. Pimentel, L.O. Hertzberger
Introduction The Mermaid project focuses on the construction of simulation models for MIMD multi-computer architectures with the purpose of performance evaluation [Pimentel95]. At the beginning of...
Mermaid: Modelling and Evaluation Research in MIMD ArchItecture Design (1995)
A. D. Pimentel, J. Van Brummen, T. Papathanassiadis, L.O. Hertzberger
. The Mermaid project focuses on the construction of simulation models for MIMD multi-computers in order to evaluate them and to give estimates of the system's performance. A multi-layered...
Mermaid : Modelling and Evaluation Research in MIMD ArchItecture Design (1995)
A. D. Pimentel, Pimentel Van Brummen, T. Papathanassiadis, L. O. Hertzberger
. The Mermaid project focuses on the construction of simulation models for MIMD multi-computers in order to evaluate them and to give estimates of the system's performance. A multi-layered...
Paradigms and laboratories in the core computer science curriculum: An overview (1995)
Pieter H. Hartel, L.O. Hertzberger
Recent issues of the bulletin of the ACM SIGCSE have been scrutinised to find evidence that the use of laboratory sessions and different programming paradigms improve learning difficult concepts and...
A Toolkit for Parallel Functional Programming (1995)
Pieter H. Hartel, Koen G. Langendoen, Henk L. Muller, Willem G. Vree, L.O. Hertzberger
this paper is on writing parallel programs, we will not say more about programming in Miranda. 5 Tools and annotations for parallelism
Mermaid: Modelling and Evaluation Research in Mimd ArchItecture Design (1995)
A. D. Pimentel, J. Brummen, T. Papathanassiadis, L. O. Hertzberger
Abstract. The Mermaid project focuses on the construction of simulation models for MIMD multi-computers in order to evaluate them and to give estimates of the system’s performance. A multi-layered...
Comparing the parix and PVM parallel programming environments (1995)
A. G. Hoekstra, L. O. Hertzberger
Genericity of parallel programming environments, enabling development of portable parallel programs, is expected to result in performance penalties. Furthermore, programmability and tool support of...
Data and event handling for the MARIE vehicle (1995)
A. Visser, L. O. Hertzberger, Faculty Of
In autonomous control systems the sensor-actuator control loop plays a dominant role. It is essential to give the system the capability to react to changes in its environment. A flexible autonomous...
The Implementation Architecture of PEER Federated Object Management System (1994)
Hamideh Afsarmanesh, Frank Tuijnman, Michiel Wiedijk, L.O. Hertzberger
PEER is a federated object management system developed at the University of Amsterdam. In this paper, the design of the prototype implementation architecture of PEER is described. This implementation...
Experience with a Clustered Parallel Reduction Machine (1993)
M. Beemster, P. H. Hartel, L. O. Hertzberger, K. G. Langendoen, L. L. Li, ...
A clustered architecture has been designed to exploit divide and conquer parallelism in functional programs. The programming methodology developed for the machine is based on explicit annotations and...
A simulation methodology for the prediction of SPMD programs performance (1993)
M. Beemster, L. O. Hertzberger
A simulation methodology for predicting the performance of data parallel (SPMD) programs on parallel and distributed platforms is presented. The proposed methodology comprises a parameterised...
A simulation methodology for the prediction of SPMD programs performance (1993)
M. Beemster, L. O. Hertzberger
A simulation methodology for predicting the performance of data parallel (SPMD) programs on parallel and distributed platforms is presented. The proposed methodology comprises a parameterised...
A. G. Hoekstra, W. Hoffmann, L. O. Hertzberger
We describe parallelization for distributed memory computers of a preconditioned Conjugate Gradient method, applied to solve systems of equations emerging from Elastic Light Scattering simulations....
R. G. Belleman, L. O. Hertzberger
e-mail: robbel @ fwi.uva.nl or peterslo @ fwi.uva.nl
R. G. Belleman, L. O. Hertzberger
In previous years we have developed an expert system for the analysis and control of a biophysical cell separation experiment known as Centrifugal Elutriation [1,2,3,4]. Centrifugal elutriation is a...
Cricket does it again! Time Complexity of a Parallel Conjugate Gradient (1992)
A. G. Hoekstra, W. Hoffmann, L. O. Hertzberger, Solver Light, Scattering Simulations, ...
We describe parallelization for distributed memory computers of a preconditioned Conjugate Gradient method, applied to solve systems of equations emerging from Elastic Light Scattering simulations....
Time Warp on a Transputer Platform: Pilot Study with Asynchronous Cellular Automata (1992)
B. J. Overeinder, L. O. Hertzberger
In this paper we formulate functional and implementational aspects of an Asynchronous Cellular Automata model that facilitates basic research into the strength and limitations of various parallel...
Observation of muonic $Z^{0}$ decay at the $\overline{p}p$ collider (1990)
Arnison, Geoffrey T J, Allkofer, O C, Astbury, Alan, Aubert, Bernard, Rich, J, Bacci, Cesare, ...
Elastic and total cross section measurement at the CERN proton-antiproton collider (1990)
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Ransdell, J, Bauer, G, ...
Observation of the muonic decay of the charged intermediate vector boson (1990)
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Rohlf, J, Bauer, G, ...
Intermediate-mass dimuon events at the CERN $p\overline{p}$ collider at $\sqrt{s} = 540 GeV$ (1990)
Arnison, Geoffrey T J, Allkofer, O C, Astbury, Alan, Aubert, Bernard, Raja, R, Bacci, Cesare, ...
Inclusive jet production at $\sqrt{s} = 546 GeV$ (1990)
Arnison, Geoffrey T J, Allkofer, O C, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Batley, J Richard, ...
Further evidence for charged intermediate vector bosons at the SPS collider (1990)
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Bauer, G, Bézaguet, Alain-Arthur, ...
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Bauer, G, Bézaguet, Alain-Arthur, ...
Arnison, Geoffrey T J, Albrow, Michael G, Allkofer, O C, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, ...
$D^{0}$ production in jets at the CERN SPS collider (1990)
Arnison, Geoffrey T J, Allkofer, O C, Astbury, Alan, Aubert, Bernard, Rijssenbeek, M, Bacci, Cesare, ...
Arnison, Geoffrey T J, Allkofer, O C, Astbury, Alan, Aubert, Bernard, Rijssenbeek, M, Bacci, Cesare, ...
Arnison, Geoffrey T J, Allkofer, O C, Astbury, Alan, Aubert, Bernard, Porte, J P, Bacci, Cesare, ...
Production and decay properties of D and D% mesons in pi-Be interactions (1990)
Bailey, R, Bardsley, D G, Becker, H, Blanar, G J, Böhringer, T, Bosman, M, ...
Hadronic jet production at the CERN proton-antiproton collider (1990)
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Roberts, C, Bauer, G, ...
Jet fragmentation into charged particles at the CERN proton-antiproton collider (1990)
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Rohlf, J, Bauer, G, ...
Experimental proof of the existence of the A$_{1}$ meson (1990)
Daum, C, Hertzberger, L O, Hoogland, Walter, Peters, S, Van Deurzen, P, Chabaud, V, ...
3pi resonances in 2$^{-}$ partial waves (1990)
Daum, C, Hertzberger, L O, Hoogland, Walter, Peters, S, Van Deurzen, P, Chabaud, V, ...
Observation of a narrow $\overline{p}$p enhancement at 1940 MeV (1990)
Daum, C, Hertzberger, L O, Hoogland, Walter, Jongerius, R, Kluyver, J C, Peters, S, ...
Evidence for the associated production of strange particles and phi mesons (1990)
Daum, C, Hertzberger, L O, Hoogland, Walter, Jongerius, R, Peters, S, Van Deurzen, P, ...
Study of the charge-exchange reactions pi$^{-}$p --> (pi$^{0}$,eta,eta')n at 63 GeV (1990)
Daum, C, Hertzberger, L O, Hoogland, Walter, Jongerius, R, Peters, S, Van Deurzen, P, ...
Diffractive production of 3pi states at 63 and 94 GeV (1990)
Daum, C, Hertzberger, L O, Hoogland, Walter, Peters, S, Van Deurzen, P, Chabaud, V, ...
Transverse energy distributions in the central calorimeters (1990)
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Bernabei, R, Bézaguet, Alain-Arthur, ...
Search for Centauro-like events at the CERN proton-antiproton collider (1990)
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Bernabei, R, Bézaguet, Alain-Arthur, ...
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Bernabei, R, Bézaguet, Alain-Arthur, ...
Observation of jets in high transverse energy events at the CERN proton-antiproton collider (1990)
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Saudraix, Jean, Bernabei, R, ...
Evidence for a spin-5 boson resonance at 2300 MeV (1990)
Alper, B, Becker, H, Berglund, A J, Blakey, I, Blanar, G J, Bowler, M G, ...
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Bernabei, R, Bézaguet, Alain-Arthur, ...
Small angle elastic scattering at the CERN proton-antiproton collider (1990)
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Bernabei, R, Bézaguet, Alain-Arthur, ...
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Saudraix, Jean, Bernabei, R, ...
Transverse momentum spectra for charged particles at the CERN proton-antiproton collider (1990)
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Bernabei, R, Bézaguet, Alain-Arthur, ...
Some observations on the first events seen at the CERN proton-antiproton collider (1990)
Arnison, Geoffrey T J, Astbury, Alan, Aubert, Bernard, Bacci, Cesare, Sajot, G, Bernabei, R, ...
Diffractive production of strange mesons at 63 GeV (1990)
Daum, C, Hertzberger, L O, Hoogland, Walter, Peters, S, Van Deurzen, P, Chabaud, V, ...
The Dutch Parallel Reduction Machine Project H.P. BARENDREGT, (1984)
P. H. Hartel, L. O. Hertzberger
universities of Amsterdam, Nijmegen and Utrecht started a cooperative project sponsored by the Dutch Ministry of Science and Education (Science Coun-cil). The first phase lasting until the end of...