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Rapid

Rapid development and deployment of job-submission portals

Screencast: Rapid Portals for Seismological Waveform Data

Welcome to the RapidSeis demo. This portal was created using Rapid and enables the use of Seismic Data eXplorer within the web portal of the Network of Research Infrastructures for European Seismology.

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Rapid chemistry portals through engaging researchers

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talk

In this study, we apply a methodology for rapid development of portlets for scientific computing to the domain of computational chemistry. We report results in terms of the portals delivered, the changes made to our methodology and the experience gained in terms of interaction with domain-specialists.

Date and time: 
Thursday, 10 December, 2009 - 11:00
Location: 
IEEE e-Science 2009, Oxford, UK
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Tutorial for Rapid

This brief tutorial covers the installation of Rapid and the components it depends on. It explains how to get a simple portlet running and then increases the complexity of this portlet to include more functionality by exploiting Rapid's features.

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RapidSeis Workshop

At the meeting we will present the result of the RapidSeis project, a collaboration between ORFEUS, the UK National e-Science Centre and the University of Liverpool. Over the past six months, this project has created a system that facilitates running waveform analysis on data from ORFEUS where the computation is performed on remote compute resources provided by the University of Liverpool.

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Department of Earth & Ocean Sciences, University of Liverpool, UK
Dates: 
12 Nov 2009 to 13 Nov 2009
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Rapid portals improve teaching in practical sessions

Written by Nick Funnel (2nd year PhD in the School of Chemistry).

The lab has been much easier to teach this year.

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Apache's Virtual File system is part of Rapid's architecture

Apache's Virtual File system helped us to access different file systems transparently. The Rapid project implemented a new 'GSIFTP' (Grid Security Infrastructure File Transfer Protocol) module, which adds Grid connectivity to the set of supported file systems. This sub-project of Rapid, spawned the commons-vfs-grid module (http://sourceforge.net/projects/commonsvfsgrid/) which now supports GSIFTP, SRB (Storage Resource Broker) and iRods (https://www.irods.org).

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Unit-testing code is especially important in code-generating projects

The use of testing frameworks, such as Junit is extremely valuable. It takes quite a bit of discipline to write new unit tests for each new piece of 'real' code that is written, but the benefits in the end in terms of stability, confidence and debugging make the extra overhead more than worth it. This is especially useful in a project such as Rapid, where code is being generated. Testing in the 'traditional' way, by examining or running generated code is extremely difficult and by using testing frameworks we can actually determine correctness of Rapid, before running any generated code.

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Apache's Maven for management of code structure?

Apache's Maven project management tool (http://www.apache.org) helped the Rapid team structure code modules in a 'standardised' way. It helps managing dependencies and facilitates distributing the final product as dependencies are automatically downloaded and do not need to be packaged separately. However, the learning curve is rather steep and even now we sometimes have to go back to ANT (http://ant.apache.org/) to accomplish certain tasks.

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Rapid prevents a disaster in the classroom

For the first time, chemists at the University of Edinburgh are using a portal developed with Rapid to teach 140 undergraduates computational chemistry.

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Flyer for Rapid

Download the flyer for Rapid, which explains in brief and non-technical terms how it works.

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Giving Computational Science a Friendly Face

J. I. van Hemert and Koetsier, J., Giving Computational Science a Friendly Face, Zero-In, vol. 1, no. 3, p. 12--13, 2009.

Instead, they have to deal with archaic command-line tools or generic portals that mimic the technical complexity of the underlying infrastructure. These interfaces are expensive to use, require much training, and their laborious and intricate processes often lead to errors. Of course exceptions to this situation exist. The most fortunate researchers have access to web portals or scientific gateways that were built to enable their specific tasks.

Rapid Tutorial at Advanced Distributed Services Summer School

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tutorial

Tutorial on how to create a basic portlet with Rapid, which includes:

  • installation of required software
  • authentication to data and compute resources through username and password
  • transportation of data before and results after computation
  • use of rich user interface elements, such as a file browser and job monitoring
  • submitting the job to another computer
Date and time: 
Thursday, 10 September, 2009 - 09:00
Location: 
Advanced Distributed Services Summer School 2009, Coseners House, near Oxford
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Rapid Development of Computational Science Portals

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talk

Motivation: Scientific web portals are seen as the way forward to improve upon the slow uptake in use of utility computing infrastructure and high-performance computing facilities. Currently, two types of portals exist: general-purpose portals and domain-specific portals. The first type closely resembles the underlying technical infrastructure of compute-job submission systems, thereby providing little appeal to a wide range of domain specialists. The second type is tailored to the application specifications and their end-users' requirements.

Date and time: 
Monday, 14 September, 2009 - 11:10
Location: 
IWPLS’09 International Workshop on Portals for Life Sciences, e-Science Institute, Edinburgh, UK
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Rapid: giving computational science a friendly face

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invited

Rapid is a unique approach to quickly designing and delivering web portal interfaces for applications that require large amounts of computing resources or that need to run on specific servers. We will demonstrate the success of Rapid in a number of projects across a wide range of disciplines: brain imaging, chemistry, microscopy, engineering and seismology.

Date and time: 
Wednesday, 16 September, 2009 - 14:30
Location: 
Rm 5215, James Clerk Maxwell Building, Kings Buildings
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Screencast: Rapid Portal for Brain Imaging

We show a screencast of an example portal created using Rapid, which enables perfusion imaging in the context of brain imaging for stroke. To see this demo you require Flash to be installed. Perfusion imaging allows locating which parts of the brain are affected by a stroke in terms of oxygen deprivation.

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