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report-gomez

1. Purpose of the STSM
My doctoral studies focus on designing an architecture for e-participatory budgeting support. This architecture should be configured as a Service Oriented Architecture (SOA), so there will be necessary to implement web services to allow the communication between different modules of the architecture.

Participatory budgets allow citizens to take part in making decisions on how part of a public budget is spent. Citizens, who decide to participate in the participatory budget process, will have to evaluate, at different stages (negotiation or preferences modelling) several criteria, such as economic, social and environmental criteria. To do so, the architecture should include methodology to support decision problems with multiple criteria.

I would like this STSM to find out about the research of Prof. Raymond Bisdorff, specially as related to web services for decision aid and the methodology to solve multicriteria decision making problems and how I may incorporate such ideas within my architecture to support group decisions for participatory budgeting.

2. Description of the work carried out during the STSM
The visit to the University of Luxembourg has allowed me to see the research work of Prof. Raymond Bisdorff and his team. Prof. Bisdorff had prepared a serie of events, such as:

- Presentation on XMCDA (XML Multiple Criteria Decision Aid) where they explained me the structure of XML documents they use to solve Multiple Criteria Decision problems. Furthermore, they explained me its evolution since they started working on it, how they have introduced new features, and some changes they have done since the project started, sometimes for their own initiative and others due to customersÂ’ suggestion.

- Presentation of diviz platform of the Decision Deck project and how they use web services to support decision making. They showed me the repository where the web services are located, which are open source, and anyone could add new services by contacting the administrator (Patrick Meyer). Also I could see with simple and complex examples how they solve the decision making problems via web services.

I also disclaimed an amount research in XML for electronic participation.

3. Description of the main results obtained
I have known some methodologies and tools that can aid me when I design and implement the architecture for e-participatory budgeting support.

Prof. Bisdorff has shown me how they use web services to support decision making and I have seen the way I may incorporate such ideas within my architecture to support group decisions for participatory budgeting.

I think is really interesting to use the XML language in the decision making problems. I think is useful to use it in participatory budgeting. Furthermore, I could combine the use of XML documents and Web services to exchange information between the different modules of my architecture.