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This paper describes the achievements of the H2020 project INDIGO-DataCloud. The project has provided e-infrastructures with tools, applications and cloud framework enhancements to manage the demanding requirements of scientific communities, either locally or through enhanced interfaces. The middleware developed allows to federate hybrid resources, to easily write, port and run scientific applications...
Networking infrastructure is a vital part of virtual computer clusters. This paper describes VirtCloud, a system for interconnecting virtual clusters in a state-wide network based on advanced features available in academic networks. The system supports dynamic creation of virtual clusters without the need of run-time administrative privileges on the backbone core network, encapsulation of the clusters,...
Soft tissue modelling is important in the realm of haptic interactions. The main challenge in this research area is to combine two basic conditions which are essential-the stability of the haptic interaction running on high refresh rate on one hand and realistic behavior of the tissue assuming computationally expensive mathematical models on the other.
Interactions between large biomolecules and smaller bio-active ligands are usually studied through a process called docking. Its aim is to find an energetically favorable orientation of a ligand within an active site of a biomolecule. Chemical reactions take place in active site and the role of the ligand is either to speed up, slow down or change the reaction (e.g., an enzyme catalyzed hydrolysis),...
Current collaborative tools are often not able to profit from existing systems for user management. It is therefore necessary for collaborative systems to administrate their users using their own solutions, which may not be adequate in terms of scalability or security. Many users may also experience problems working with authentication credentials (e.g. digital certificates) employed by collaborative...
Checking revocation information is necessary to prevent from using digital certificates whose contents become invalid. In current system either periodical retrieval of Certificate Revocation Lists (CRLs) or the Online Certificate Status Protocol (OCSP) are the most common mechanisms to access revocation information issued by the certification authorities. As both these approaches pose problems we...
In this paper, we propose a distributed data storage framework that supports unrestricted offline access. The system does not explicitly distinguish between connected and disconnected states. Its design is based on a lock-free distributed framework that avoids update conflicts through file versioning. The feasibility of this framework is confirmed by a proof-of- concept implementation. We also demonstrate...
The workload management task of the DataGrid project was mandated to define and implement a suitable architecture for distributed scheduling and resource management in a Grid environment. The result was the design and implementation of a Grid Workload Management System, a super-scheduler with the distinguishing property of being able to take data access requirements into account when scheduling jobs...
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