Iii 4 Febos Iess Conference

IESS 1.0 First International Conference on Exploring Services February 2010

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1. Motivation

2. Febos Services

3. Service-oriented development

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  MOTIVATION   FEBOS SERVICES SERVICE-ORIENTED   DEVELOPMENT

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Digital technologies have been transforming the music industry: •  distribution of music in different digital formats

through internet, •  a wider offer of music, richer forms for searching

and discovering artists and songs, •  listening through streaming services (Spofy,

LastFM, online radio stations)

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This new emerging distribution paradigm is affecting the relationships among all players in the value chain: •  record companies, retailers, broadcasters, costumers,

artists and other professionals; it is also bringing new key players and new business models into the music industry,

•  new technologies have dramatically downloaded the cost of the equipments needed in the production process,

•  Today, affordable and even free software exists that coupled with specialized hardware may convert a personal computer into a recording studio

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To provide a set of web services to be used in the development of aggregate services applications that allow the collaborative creation of music over the Internet.

It is project oriented and enhances the traditional collaboration paradigms by allowing geographical displacement and asynchronous collaboration

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Table 1. Stages of the music creation process, roles and outputs

Stage Role Outputs

Composition Artist-composers Scores

Performances recording

Artist-performers Tracks (instruments)

Edition, mixing, mastering

Music engineers Works (songs)

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Service-oriented MDA-Based approach (SOD-M) De Castro, V., Marcos, E., Wieringa, R.

•  Services are the first-class objects for the whole process of the IS development,

•  It is an MDA-based approach by extending CIM, PIM and PSM levels,

•  It uses UML with a service-oriented profile as modeling language

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e3 business modeling method (Gordijn & Ackermann)

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End Consumer Business services Compositor, musician and sound engineering

•  Service for creating and managing information projects

•  Service for searching for and inviting people to collaborate with

•  Service for creating and managing musical works

•  Service for creating and managing scores •  Service for creating and managing tracks •  Service for controlling changes on projects •  Service for publication and searching of works,

tracks and scores •  Service for FTP hosting of musical files

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•  USE CASE MODEL: is straighforward obtained from the list of services where end-consumers are identified as actors and business services as use cases,

•  SERVICE PROCESS MODEL: UML activity diagrams are used to represent the logically related activities that need to be performed to carry out a business service

Service process model for the business service “to manage scores”

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MySQL Jax-Ws

Apache Tomcat Java

Febos Project

Implemented by Ignacio López: [email protected]

Open-source

IESS 1.0 First International Conference on Exploring Services February 2010

Education

Iii 4 Febos Iess Conference