Reconstructing the Traffic State by Fusion of Heterogeneous Data (2009)
Treiber, Martin, Kesting, Arne, Wilson, R. Eddie
We present an advanced interpolation method for estimating smooth spatiotemporal profiles for local highway traffic variables such as flow, speed and density. The method is based on stationary...
On Reconciliation of Contractual Concerns of Web Services ⋆ (2009)
Hong-linh Truong, G. R. Gangadharan, Martin Treiber, Schahram Dustdar
Abstract. Contracts are a way of collaborating and binding parties involved describing exchanges of promises or agreement between parties. In the world of Web services, the approaches, languages, and...
Theoretical vs. Empirical Classification and Prediction of Congested Traffic States (2009)
Helbing, Dirk, Treiber, Martin, Kesting, Arne, Schönhof, Martin
Starting from the instability diagram of a traffic flow model, we derive conditions for the occurrence of congested traffic states, their appearance, their spreading in space and time, and the...
Treiber, Martin, Helbing, Dirk
This contribution presents a derivation of the steady-state distribution of velocities and distances of driven particles on a onedimensional periodic ring. We will compare two different situations:...
Agents for Traffic Simulation (2008)
Kesting, Arne, Treiber, Martin, Helbing, Dirk
Vehicular traffic is a classical example of a multi-agent system in which autonomous drivers operate in a shared environment. The article provides an overview of the state-of-the-art in microscopic...
Consumer-specified Service License Selection and Composition (2008)
G. R. Gangadharan, Hong-linh Truong, Martin Treiber, Schahram Dustdar, Renato Iannella, Michael Weiss
Service oriented computing represents the convergence of technology with an understanding of crossorganizational business processes. A service license describes the terms and conditions for the use...
Estimating Acceleration and Lane-Changing Dynamics Based on NGSIM Trajectory Data (2008)
Thiemann, Christian, Treiber, Martin, Kesting, Arne
The NGSIM trajectory data sets provide longitudinal and lateral positional information for all vehicles in certain spatiotemporal regions. Velocity and acceleration information cannot be extracted...
View based Integration of heterogeneous Web service Registries – the case of VISR (2008)
Schahram Dustdar, Martin Treiber
Abstract. Despite all standardization efforts in the Web service area, several different incompatible Web service registry implementations exist. The initial focus of these implementations was geared...
Calibrating Car-Following Models using Trajectory Data: Methodological Study (2008)
Kesting, Arne, Treiber, Martin
The car-following behavior of individual drivers in real city traffic is studied on the basis of (publicly available) trajectory datasets recorded by a vehicle equipped with an radar sensor. By means...
Martin Treiber, Schahram Dustdar, Steve Vinoski
Atom news feeds can work both as an infrastructure for distributed Web service registries and to inform users about Web service changes. The authors consider an approach in which every Web service...
Towards Recovering the Broken SOA Triangle - A Software Engineering Perspective (2007)
Anton Michlmayr, Florian Rosenberg, Christian Platzer, Martin Treiber, Schahram Dustdar
Service-oriented computing (SOC) receives a lot of attention from academia and industry as a means to develop flexible and dynamic software solutions. Facing the facts, service-oriented solutions are...
Schönhof, Martin, Treiber, Martin, Kesting, Arne, Helbing, Dirk
In this paper, a minimalist, completely distributed freeway traffic information system is introduced. It involves an autonomous, vehicle-based jam front detection, the information transmission via...
Jam-avoiding adaptive cruise control (ACC) and its impact on traffic dynamics (2006)
Kesting, Arne, Treiber, Martin, Schönhof, Martin, Kranke, Florian, Helbing, Dirk
Adaptive-Cruise Control (ACC) automatically accelerates or decelerates a vehicle to maintain a selected time gap, to reach a desired velocity, or to prevent a rear-end collision. To this end, the ACC...
Schahram Dustdar, Martin Treiber, S. Dustdar, M. Treiber
Abstract Despite all standardization efforts in the Web service area, several different incompatible Web service registry implementations exist. The initial focus of these implementations was geared...
Schahram Dustdar, Martin Treiber
Abstract Transient Web service provisioning implies a variety of different requirements that are hard to meet in traditional Web service environments. Currently, Web service brokerage focuses on...
Treiber, Martin, Kesting, Arne, Helbing, Dirk
We investigate the adaptation of the time headways in car-following models as a function of the local velocity variance, which is a measure of the inhomogeneity of traffic flow. We apply this...
Helbing, Dirk, Jiang, Rui, Treiber, Martin
In two intersecting many-particle streams, one can often find the emergence of oscillatory patterns. Here, we investigate the interaction of pedestrians with vehicles, when they try to cross a road....
Helbing, Dirk, Treiber, Martin, Saam, Nicole J.
We investigate a selection-mutation model for the dynamics of technological innovation,a special case of reaction-diffusion equations. Although mutations are assumed to increase the variety of...
DOI: 10.1007/s10619-005-2460-y A View Based Analysis on Web Service Registries (2005)
Martin Treiber, Recommended Dimitrios Georgakopoulos
Abstract. Web services registries are a cornerstone for the emerging service-oriented architecture and constitute a critical resource for Web services. We systematically illustrate and evaluate...
Delays, Inaccuracies and Anticipation in Microscopic Traffic Models (2004)
Treiber, Martin, Kesting, Arne, Helbing, Dirk
We generalize a wide class of time-continuous microscopic traffic models to include essential aspects of driver behaviour not captured by these models. Specifically, we consider (i) finite reaction...
A View Based Survey on Web Services Registries (2004)
Schahram Dustdar, Schahram Dustdar, Martin Treiber, Martin Treiber
Web services registries are a cornerstone for the emerging service-oriented architecture and constitute a critical resource for Web services. Based on a case study we systematically illustrate and...
WiZNet - Integration of different Web service Registries (2004)
Schaharam Dustdar, Martin Treiber
Despite all standardization efforts in the Web service area, several different incompatible Web service registry implementations exist. The initial focus of these implementations was geared towards...
Fokker-Planck equation approach to vehicle statistics (2003)
Helbing, Dirk, Treiber, Martin
This contribution presents a derivation of the steady-state distribution of velocities and distances of vehicles in freeway traffic which has been suggested for the evaluation of interaction...
Memory effects in microscopic traffic models and wide scattering in flow-density data (2003)
Treiber, Martin, Helbing, Dirk
By means of microscopic simulations we show that non-instantaneous adaptation of the driving behaviour to the traffic situation together with the conventional measurement method of flow-density data...
Interpreting the Wide Scattering of Synchronized Traffic Data by Time Gap Statistics (2002)
Nishinari, Katsuhiro, Treiber, Martin, Helbing, Dirk
Based on the statistical evaluation of experimental single-vehicle data, we propose a quantitative interpretation of the erratic scattering of flow-density data in synchronized traffic flows. A...
Microsimulations of Freeway Traffic Including Control Measures (2002)
Treiber, Martin, Helbing, Dirk
Using a recently developed microscopic traffic model, we simulate how speed limits, on-ramp controls, and vehicle-based driver-assistance systems influence freeway traffic. We present results for a...
An adaptive smoothing method for traffic state identification from incomplete information (2002)
Treiber, Martin, Helbing, Dirk
We present a new method to obtain spatio-temporal information from aggregated data of stationary traffic detectors, the ``adaptive smoothing method''. In essential, a nonlinear spatio-temporal...
Helbing, Dirk, Batic, Davide, Schoenhof, Martin, Treiber, Martin
Traffic flow at low densities (free traffic) is characterized by a quasi-one-dimensional relation between traffic flow and vehicle density, while no such fundamental diagram exists for `synchronized'...
Flow physics of vortex evolution in an annular turbine cascade [microform] / (2001)
Thesis (doctoral)--Swiss Federal Institute of Technology Zurich, 2001.
Flow physics of vortex evolution in an annular turbine cascade / (2001)
Diss. no. 14213 techn. sc. SFIT Zurich.
Micro- and Macrosimulation of Freeway Traffic (2000)
Helbing, Dirk, Hennecke, Ansgar, Shvetsov, Vladimir, Treiber, Martin
We present simulations of congested traffic in circular and open systems with a non-local, gas-kinetic-based traffic model and a novel car-following model. The model parameters are all intuitive and...
Congested Traffic States in Empirical Observations and Microscopic Simulations (2000)
Treiber, Martin, Hennecke, Ansgar, Helbing, Dirk
We present data from several German freeways showing different kinds of congested traffic forming near road inhomogeneities, specifically lane closings, intersections, or uphill gradients. The states...
Congested Traffic States in Empirical Observations and Microscopic Simulations (2000)
Martin Treiber, Ansgar Hennecke, Dirk Helbing
We present data from several German freeways showing different kinds of congested traffic forming near road inhomogeneities, specifically lane closings, intersections, or uphill gradients. The states...
Numerical Simulation of Macroscopic Traffic Equations (1999)
Helbing, Dirk, Treiber, Martin
Macroscopic traffic simulations are based on coupled non-linear partial differential equations, the solutions of which are either shock-like or inhomogeneous with steep gradients, at least in the...
Explanation of Observed Features of Self-Organization in Traffic Flow (1999)
Treiber, Martin, Helbing, Dirk
Based on simulations with the ``intelligent driver model'', a microscopic traffic model, we explain the recently discovered transition from free over ``synchronized'' traffic to stop-and-go patterns...
Derivation, Properties, and Simulation of a Gas-Kinetic-Based, Non-Local Traffic Model (1999)
Treiber, Martin, Hennecke, Ansgar, Helbing, Dirk
We derive macroscopic traffic equations from specific gas-kinetic equations, dropping some of the assumptions and approximations made in previous papers. The resulting partial differential equations...
Macroscopic Simulation of Widely Scattered Synchronized Traffic States (1999)
Treiber, Martin, Helbing, Dirk
Recently, a phase transition to synchronized congested traffic has been observed in empirical highway data [B. S. Kerner and H. Rehborn, Phys. Rev. Lett. 79, 4030 (1997)]. This hysteretic transition...
Jams, Waves, and Clusters (1998)
Helbing, Dirk, Treiber, Martin
Have you been suffering from traffic jams lately and asking yourself why freeways are no free ways anymore? After several great advances in traffic theory, Korean physicists have now offered an...
Gas-Kinetic-Based Traffic Model Explaining Observed Hysteretic Phase Transition (1998)
Helbing, Dirk, Treiber, Martin
Recently, hysteretic transitions to `synchronized traffic' with high values of both density and traffic flow were observed on German freeways [B. S. Kerner and H. Rehborn, Phys. Rev. Lett. 79, 4030...
Phase Diagram of Traffic States in the Presence of Inhomogeneities (1998)
Helbing, Dirk, Hennecke, Ansgar, Treiber, Martin
We present a phase diagram of the different kinds of congested traffic that are triggered by disturbances when passing ramps or other spatial inhomogeneities of a freeway. The simulation results...
Treiber, Martin, Eber, Nandor, Buka, Agnes, Kramer, Lorenz
We investigated travelling waves appearing as the primary pattern-forming instability in the nematic Phase 5 (Merck) in the planar geometry in order to test the recently developed weak electrolyte...
Treiber, Martin, Éber, Nándor, Buka, Ágnes, Kramer, Lorenz
We investigated travelling waves appearing as the primary pattern–forming instability in the nematic Phase 5 (Merck) in the planar geometry in order to test the recently developed weak...
Treiber, Martin, Éber, Nándor, Buka, Ágnes, Kramer, Lorenz
We investigated travelling waves appearing as the primary pattern–forming instability in the nematic Phase 5 (Merck) in the planar geometry in order to test the recently developed weak...
Treiber, Martin, Éber, Nándor, Buka, Ágnes, Kramer, Lorenz
We investigated travelling waves appearing as the primary pattern–forming instability in the nematic Phase 5 (Merck) in the planar geometry in order to test the recently developed weak...
On the theory od the electrohydrodynamic instability in nematic liquid crystals near onset / (1996)
Bayreuth, University, Diss., 1996.
Bipolar Electrodiffusion model for Electroconvection in Nematics (1994)
Treiber, Martin, Kramer, Lorenz
The common description of the electrical behavior of a nematic liquid crystal as an anisotropic dielectric medium with (weak) ohmic conductivity is extended to an electrodiffusion model with two...
Die alttestamentliche Predigt Friedrich Schleiermachers [microform] / (1992)
Mikrofiche-Ausg.: 5 Mikrofiches : 24x.
MASTER: macroscopic traffic simulation based on a gas-kinetic, non-local traffic model
Helbing, Dirk, Hennecke, Ansgar, Shvetsov, Vladimir, Treiber, Martin
We present a gas-kinetic (Boltzmann-like) traffic equation that is not only suited for low vehicle densities, but also for the high-density regime, as it takes into account the forwardly directed...