Heterogeneous Exascale Computing
Exascale services bring new unique challenges that the current computational, big data and workflow solutions are unable to meet.
Read MoreTowards a European Health Research and Innovation Cloud (HRIC)
The European Union (EU) initiative on the Digital Transformation of Health and Care (Digicare) aims to provide the conditions necessary for building a secure, flexible, and decentralized digital health infrastructure.
Read MoreApplication of Continuous Time Quantum Walks to Image Segmentation
This paper provides the algorithm that applies concept of continuous time quantum walks to image segmentation problem.
Read MoreExascale Computing and Data Architectures for Brownfield Applications
Despite the recent dramatic advances in the computational and data processing capacities of the commodity solutions, a numerous scientific, socioeconomic and industrial “grand challenges” exists that could be solved only through capabilities that exceed the current solutions by orders of magnitude.
Read MoreComposing, Execution and Sharing of Multiscale Applications
This paper presents the research which led to elaboration of an environment for composing, executing and sharing multiscale applications.
Read MoreTeaching Quantum Computing with the QuIDE Simulator
Recently, the idea of quantum computation is becoming more and more popular and there are many attempts to build quantum computers.
Read MoreTowards A Novel Environment for Simulation of Quantum Computing
In this paper, we analyze existing quantum computer simulation techniques and their realizations to minimize the impact of the exponential complexity of simulated quantum computations.
Read MoreApplying Workflow as a Service Paradigm to Application Farming
SUMMARYTask farming is often used to enable parameter sweep for exploration of large sets of initial conditions for large scale complex simulations.
Read MoreCost Optimization of Execution of Multi-Level Deadline-Constrained Scientific Workflows on Clouds
This paper introduces a cost optimization model for scientific workflows on IaaS clouds such as Amazon EC2 or RackSpace.
Read MoreSecure Storage and Processing of Confidential Data on Public Clouds
The goal of this paper is to describe problems associated with storage and processing of confidential data in public clouds, and to propose relevant mitigation strategies.
Read MoreDistributed Computing on an Ensemble of Browsers
In this article, the authors propose a new approach to distributed computing with Web browsers and introduce the WeevilScout prototype framework.
Read MoreEvaluation of Cloud Providers for VPH Applications
Infrastructure as a Service (IaaS) clouds are considered interesting sources of computing and storage resources for scientific applications.
Read MoreMapReduce Operations with WS-VLAM Workflow Management System
Workflow management systems are widely used to solve scientific problems as they enable orchestration of remote and lo- cal services such as database queries, job submission and running an application.
Read MoreOIntEd: Online Ontology Instance Editor Enabling a New Approach to Ontology Development
SUMMARYOntology development involves people with different background knowledge and expertise. It is an elaborate process, where sophisticated tools for experienced knowledge engineers are available.
Read MoreSupport for Multiscale Simulations with Molecular Dynamics
We present a reusable solution that supports users in combining single-scale models to create a multiscale application.
Read MoreThe Collage Authoring Environment: From Proof-of-Concept Prototype to Pilot Service
The aim of this paper is to present the pilot service of the Collage Authoring Environment enabling executable scientific publications that is based on the GridSpace2 distributed computing platform and integrated with the online publisher platform ScienceDirect, provided under the auspices of Elsevier.
Read MoreComponent-Based Approach for Programming and Running Scientific Applications on Grids and Clouds
This paper presents an approach to programming and running scientific applications on grid and cloud infrastructures based on two principles: the first one is to follow a component-based programming model, the second is to apply a flexible technology which allows for virtualization of the underlying infrastructure.
Read MoreComputations of Protein Hydrophobicity Profile as Virtual Experiment in Gridspace Virtual Laboratory
ABSTRACT The terms like e-science, e-poster or e-health are nowadays commonly used.
Read MoreConstructing Workflows from Script Applications
For programming and executing complex applications on grid infrastructures, scientific workflows have been proposed as convenient high-level alternative to solutions based on general-purpose programming languages, APIs and scripts.
Read MoreFlexible and Extendable Mechanism Enabling Secure Access to E-Infrastructures and Storage of Confidential Data for the GridSpace2 Virtual Laboratory
This paper describes the security framework used by the GridSpace2 platform.
Read MoreImplementation of Service Level Management in PL-Grid Infrastructure
One of the key concept of Grids – as stated in their definition – is providing nontrivial quality of service.
Read MoreManaging Entire Lifecycles of E-Science Applications in the GridSpace2 Virtual Laboratory – From Motivation through Idea to Operable Web-Accessible Environment Built on Top of PL-Grid e-Infrastructure
The GridSpace2 environment, developed in the scope of the PL-Grid Polish National Grid Initiative, constitutes a comprehensive platform which supports e-science applications throughout their entire lifecycle.
Read MoreScripting Language Extensions Offered by the GridSpace Experiment Platform
Many existing problem solving environments provide scientists with convenient methods for building scientific applications over distributed computational and storage resources.
Read MoreFlood Early Warning System: Design, Implementation and Computational Modules
We present a prototype of the flood early warning system (EWS) developed within the UrbanFlood FP7 project.
Read MoreQuilt: Interactive Publications
This paper introduces the Quilt Interactive Publication platform, which can be used by computational scientists to publish their research results in the form of interactive publications.
Read MoreThe UrbanFlood Common Information Space for Early Warning Systems
Early Warning Systems (EWS) can play a crucial role in mitigating the effects of natural disasters.
Read MoreInvocation of Operations from Script-Based Grid Applications
In this paper we address the complexity of building and running modern scientific applications on various Grid systems with heterogeneous middleware.
Read MoreProviding Security for MOCCA Component Environment
The subject of this paper is a detailed analysis and development of security in MOCCA, a CCA-compliant Grid component framework build over H2O, a Java-based distributed computing platform.
Read MoreMonitoring Infrastructure for Grid Scientific Workflows
Scientific workflows, being heterogeneous, loosely coupled, large-scale and distributed, pose new challenges on application monitoring.
Read MoreFrom Molecule to Man: Decision Support in Individualized E-Health
Computer science provides the language needed to study and understand complex multiscale, multiscience systems.
Read MoreGridSpace – Semantic Programming Environment for the Grid
The Grid computing plaform which has emerged recently, while robust and feature-rich, is still considerably complex to program for.
Read MoreSemantic Composition of Scientific Workflows Based on the Petri Nets Formalism
The idea of an application described through its workflow is becoming popular in the Grid community as a natural method of functional decomposition of an application.
Read More