W. Ziegler

Publication List Details

Period

1937 - 2008

Number

109

Co-Authors

Attributes and VOs: Extending the UNICORE authorisation capabilities (2008)

Faroughi, A., Faroughi, R., Wieder, P., Ziegler, W.

Reliable authentication and authorisation are crucial for both service providers and their customers, where the former want to protect their resources from unauthorised access and fraudulent use...

Using SLA for resource management and scheduling - a survey (2008)

Seidel, J., Wäldrich, O., Wieder, P., Yahyapour, R., Ziegler, W.

Service Level Agreements may be used to establish agreements on the quality of a service between a service provider and a service consumer. The roles of service provider and service consumer may...

Dynamic SLA negotiation based on WS-agreement (2008)

Pichot, A., Wieder, P., Wäldrich, O., Ziegler, W.

In Grid, e-Science and e-Business environments Service Level Agreements (SLAs) are often used to establish frameworks for the delivery of services between service providers and the home organisations...

Semantic support for meta-scheduling in grids (2007)

Missier, P., Wieder, P., Ziegler, W.

Co-ordinated usage of resources in a Grid environment is a challenging task impeded by the nature of resource usage and provision: Resources Co-ordinated usage of resources in a Grid environment is a...

Trust issues in shibboleth-enabled federated grid authentication and authorization infrastructures supporting multiple grid middlewares (2007)

Gietz, P., Grimm, C., Groeper, R., Haase, M., Makedanz, S., Pfeiffenberger, H., ...

In Germany's D-Grid project numerous Grid communities are working together to develop a common overarching Grid. One major aim of D-Grid is thus to integrate the existing Grid deployments and...

Multi-cluster text mining on the grid using the d-grid UNICORE environment (2007)

Kumpf, K., Mevissen, T., Wäldrich, O., Ziegler, W., Ginzel, S., Weuffel, T., ...

Text mining is inherently more computation-intensive than information retrieval on pre-structured data and requires transfer and filtering of huge amounts of data. Grid environments provide a...

Co-allocating compute and network resources - bandwidth on demand in the VIOLA testbed (2007)

Barz, C., Eickermann, T., Pilz, M., Wäldrich, O., Westphal, L., Ziegler, W.

Distributed applications or workflows need to access and use compute, storage and network resources simultaneously or chronologically coordinated respectively. Examples are distributed multi-physics...

Co-allocation of MPI Jobs with the VIOLA Grid MetaScheduling Framework (2007)

Eickermann, T., Frings, W., Wäldrich, O., Wieder, P., Ziegler, W.

The co-allocation of resources for the parallel execution of distributed MPI applications in a Grid environment is a challenging task. On the hand it is mandatory to co-ordinate the usage of...

Multi-cluster text mining on the grid using the d-grid UNICORE environment (2007)

Kumpf, K., Mevissen, T., Wäldrich, O., Ziegler, W., Ginzel, S., Weuffel, T., ...

Text mining is inherently more computation-intensive than information retrieval on pre-structured data and requires transfer and filtering of huge amounts of data. Grid environments provide a...

Co-allocation of MPI Jobs with the VIOLA Grid MetaScheduling Framework (2007)

Eickermann, T., Frings, W., Wäldrich, O., Wieder, P., Ziegler, W.

The co-allocation of resources for the parallel execution of distributed MPI applications in a Grid environment is a challenging task. On the hand it is mandatory to co-ordinate the usage of...

Co-allocation of MPI jobs with the VIOLA grid MetaScheduling framework (2007)

Eickermann, T., Frings, W., Wäldrich, O., Wieder, P., Ziegler, W.

The co-allocation of resources for the parallel execution of distributed MPI applications in a Grid environment is a challenging task. On the hand it is mandatory to co-ordinate the usage of...

Attributes and VOs: Extending the UNICORE authorisation capabilities (2007)

Faroughi, A., Faroughi, R., Wieder, P., Ziegler, W.

Reliable authentication and authorisation are crucial for both service providers and their customers, where the former want to protect their resources from unauthorised access and fraudulent use...

Co-allocation of MPI jobs with the VIOLA grid MetaScheduling framework (2007)

Eickermann, T., Frings, W., Wäldrich, O., Wieder, P., Ziegler, W.

The co-allocation of resources for the parallel execution of distributed MPI applications in a Grid environment is a challenging task. On the hand it is mandatory to co-ordinate the usage of...

PHOSPHORUS: Single-step on-demand services across multi-domain networks for e-science (2007)

Figuerola, S., Ciulli, N., Leenheer, M. De, Demchenko, Y., Ziegler, W., Binczewski, A.

The Phosphorus project focuses on delivering advanced network services to Grid users and applications interconnected by heterogeneous infrastructures. The project is addressing some of the key...

PHOSPHORUS: Single-step on-demand services across multi-domain networks for e-science (2007)

Figuerola, S., Ciulli, N., Leenheer, M. De, Demchenko, Y., Ziegler, W., Binczewski, A.

The Phosphorus project focuses on delivering advanced network services to Grid users and applications interconnected by heterogeneous infrastructures. The project is addressing some of the key...

Attributes and VOs: Extending the UNICORE authorisation capabilities (2007)

Faroughi, A., Faroughi, R., Wieder, P., Ziegler, W.

Reliable authentication and authorisation are crucial for both service providers and their customers, where the former want to protect their resources from unauthorised access and fraudulent use...

Laser-plasma acceleration of quasi-monoenergetic protons from microsctructured targets (2006)

Schwoerer, H., Pfotenhauer, S., Jäckel, O., Amthor, K.U., Liesfeld, B., Ziegler, W., ...

Particle acceleration based on high intensity laser systems (a process known as laser–plasma acceleration) has achieved high quality particle beams that compare favourably with conventional...

Laser-plasma acceleration of quasi-monoenergetic protons from microsctructured targets (2006)

Schwoerer, H., Pfotenhauer, S., Jäckel, O., Amthor, K.U., Liesfeld, B., Ziegler, W., ...

Particle acceleration based on high intensity laser systems (a process known as laser-plasma acceleration) has achieved high quality particle beams that compare favourably with conventional...

A meta-scheduling service for co-allocating arbitrary types of resources (2006)

Wäldrich, O., Wieder, P., Ziegler, W.

The Grid paradigm implies the sharing of a variety of resources across multiple administrative domains. In order to execute a work-flow using these distributed resources an instrument is needed to...

Bringing knowledge to middleware - grid scheduling ontology (2006)

Ziegler, W., Wieder, P.

The Grid paradigm implies the sharing of a variety of resources across multiple administrative domains. Assuming that such an environment is highly dynamic, it is essential to abstract potential...

Text mining on the grid (2006)

Kumpf, K., Mevissen, T., Wäldrich, O., Weuffel, T., Ziegler, W.

Text mining is inherently more computation-intensive than information retrieval on pre-structured data and requires transfer and filtering of huge amounts of data. Grid environments provide the...

Integration of the ISS into the VIOLA meta-scheduling (2006)

Cristiano, K., Gruber, R., Keller, V., Kuonen, P., Maffioletti, S., Nellari, N., ...

The authors present the integration of the Intelligent (Grid) Scheduling System into the VIOLA meta-scheduling environment which itself is based on the UNICORE Grid software. The goal of the new,...

Improving workflow execution through SLA-based advance reservation (2006)

Wieder, P., Wäldrich, O., Yahyapour, R., Ziegler, W.

In SOA-based Grid environments service provider and service consumer usually do not know each other. In order to establish a business relation they must inter alia (i) create a trust relationship,...

Semantic support for meta-scheduling in grids (2006)

Missier, P., Wieder, P., Ziegler, W.

Co-ordinated usage of resources in a Grid environment is a challenging task impeded by the nature of resource usage and provision: Resources reside in different geographic locations, are managed by...

Co-allocation of compute and network resources in the VIOLA-testbed (2006)

Barz, C., Eickermann, T., Kirtchakova, L., Pilz, M., Wäldrich, O., Ziegler, W.

Demanding applications like distributed multi-physics simulations benefit from the combined computational performance and data storage of multiple clusters. A reservation mechanism spanning these...

Semantic support for meta-scheduling in grids (2006)

Missier, P., Wieder, P., Ziegler, W.

Co-ordinated usage of resources in a Grid environment is a challenging task impeded by the nature of resource usage and provision: Resources reside in different geographic locations, are managed by...

Bringing knowledge to middleware - grid scheduling ontology (2005)

Wieder, P., Ziegler, W.

The Grid paradigm implies the sharing of a variety of resources across multiple administrative domains. Assuming that such an environment is highly dynamic, it is essential to abstract potential...

Bringing knowledge to middleware - grid scheduling ontology (2005)

Wieder, P., Ziegler, W.

The Grid paradigm implies the sharing of a variety of resources across multiple administrative domains. Assuming that such an environment is highly dynamic, it is essential to abstract potential...