The improvement of workflow function in the release is very valuable for
us. We should take it carefully and rapidly.

CB

Haijun Tian wrote:
> OGSA-DAI 3.0 Released!
>
> The OGSA-DAI project, a partner in OMII-UK, have released version 3.0
> of their database access and integration software.
>
> OGSA-DAI provides an extensible framework designed for the exposure of
> structured data resources - whether these be databases, files or other
> types of data - onto a Grid. It allows these to be accessed via Web
> services. Most importantly, it provides a workflow engine for the
> execution of data-centric workflows involving data access, update,
> transformation and delivery operations.
>
> Driven by requirements from users the OGSA-DAI team have produced
> OGSA-DAI 3.0. This is a complete redesign and rewrite of the OGSA-DAI
> software and includes a number of major changes implemented in
> response to requirements from existing users:
>
> -OGSA-DAI's workflow units have been simplified and unified to be both
> more extensible and standardised, and to allow workflows to be
> composed more easily.
> -Multiple databases can be utilised within the scope of a single
> workflow.
> -Different parts of a workflow can operate upon different parts of a
> data stream concurrently.
> -Resources and services have been refactored to improve
> modularity and reduce functional overloading.
> -APIs have been completely refactored to allow developers to utilise
> application-specific functionality and databases within OGSA-DAI more
> easily.
>
> Versions of this release compliant with Axis 1.4, Axis 1.2.1 and
> Globus Toolkit 4.0.5 are available.
>
> This release provides a powerful product for both data integrators and
> developers of data applications to build upon and which the OGSA-DAI
> team hopes will benefit the e-Science community.
>
> To download OGSA-DAI 3.0 visit:
>
> http://www.ogsadai.org.uk/downloads/
>
> To find out more about OGSA-DAI 3.0 read the user doc at:
>
> http://www.ogsadai.org.uk/documentation/ogsadai3.0
>
> To find out more about OGSA-DAI visit:
>
> http://www.ogsadai.org.uk
>
> The OGSA-DAI project - which involves both EPCC and NeSC - is funded by
> EPSRC through OMII-UK.
>
> For further information, contact the OGSA-DAI team (info@...).
>
> For further information about OMII-UK visit http://www.omii.ac.uk.
>
>
>

--
=================================================================
Chenzhou Cui
National Astronomical Observatory | Tel: (8610)64872500
Chinese Academy of Sciences | FAX: (8610)64878240
Datun Road 20A, Chaoyang District | Email: ccz@...
Beijing 100012, China | WWW: www.lamost.org/~cb
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