[Fiware-i2nd] USDL and Modelling in FI-WARE

[Bohnert, Thomas Michael]

Marco,

USDL is NOT for modeling processes and interactions. It is a language for describing services (in the most general sense).

For modeling, in either UML, BPM, Nassi-Shneiderman, etc you may use any respective tool. The Apps Chapter uses yED.

Best - Thomas


From: Marco Castrucci [mailto:castrucci at dis.uniroma1.it]
Sent: Mittwoch, 12. Oktober 2011 16:03
To: Bohnert, Thomas Michael; fiware-i2nd at lists.fi-ware.eu
Cc: Kadner, Kay; Heller, Markus; Leidig, Torsten; garino pierangelo
Subject: Re: [Fiware-i2nd] USDL and Modelling in FI-WARE

Dear Thomas,

thanks for your input!
In addition, I'd like to suggest also to have a look to this paper: Cardoso, Winkler, Voigt "A service description language for the Internet of Services": http://eden.dei.uc.pt/~jcardoso/Research/Papers/ISSS-2009-Serv-Desc-Lang-for-the-IoS.pdf.

What is still not so clear to me is how to model technical aspects with USDL.
In the email you attached, I see that WP3 is using yEd tool for that. I had a look at yEd and I see that it also offers some utilities to draw UML diagrams (even if it is not so complete compared to other tools like StarUML).

Thus, is it right to conclude that, for the modelling of technical aspects, we don't need to use the USDL tool but we shall use other tools (like for example yEd or StarUML)? This means that we can use USDL for the global description of the service (business, legal aspects, etc.) and UML for its technical description?

Thank you in advance.
Best regards
Marco


----- Original Message -----
From: Bohnert, Thomas Michael<mailto:thomas.michael.bohnert at sap.com>
To: fiware-i2nd at lists.fi-ware.eu<mailto:fiware-i2nd at lists.fi-ware.eu>
Cc: Kadner, Kay<mailto:kay.kadner at sap.com> ; Heller, Markus<mailto:markus.heller at sap.com> ; Leidig, Torsten<mailto:torsten.leidig at sap.com>
Sent: Wednesday, October 12, 2011 11:22 AM
Subject: [Fiware-i2nd] USDL and Modelling in FI-WARE

Dear I2ND Members,

With reference to the call this morning here are some infos about USDL and general process/program design/modeling.

USDL:
Landing page: www.internet-of-services.com<http://www.internet-of-services.com>
Short intro: M. Heller, T. M. Bohnert, A. Friesen, "A Unified Service Description Language (USDL) (slides)", 3rd FI-PPP Usage Area Workshop", Brussels, Belgium, Jun 2011 http://dl.dropbox.com/u/43706589/USDL_Heller_tmb.pdf
Technical contact: M. Heller (WPL) / T. Leidig (WPA) / K Kadner (USDL W3C IC Chair). I suggest to schedule a USDL-briefing very soon. Also in order to address you concerns with respect to the stability and maturity of USDL in particular.

Modeling:
USDL is NO alternative to UML. Instead, for modeling your technical aspects you may consider the approach and tooling adopted in the Apps chapter. Precise info with real examples are attached.

Questions/Comments welcome.

Best - Thomas

--
Thomas Michael Bohnert
Technical Director
SAP (Schweiz) AG, Kreuzplatz 20, 8008 Zurich, Switzerland
T +41 58 871 7801, M +41 79 7018941, F +41 58 871 7812
email: thomas.michael.bohnert at sap.com<mailto:thomas.michael.bohnert at sap.com>
web: tmb.nginet.de, twitter: tmbohnert

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