@conference {Margaris2013RCIS,
	title = {Adapting WS-BPEL scenario execution using collaborative filtering techniques},
	booktitle = {IEEE 7th International Conference on Research Challenges in Information Science (RCIS)},
	year = {2013},
	month = {may},
	publisher = {IEEE},
	organization = {IEEE},
	abstract = {WS-BPEL has been adopted as the predominant method for composing individual web services into higher-level business processes. The designers of WS-BPEL scenarios define at development time the specific web services that will be invoked in the context of the business process they model; in the context however of the current web, where each functionality is offered by multiple service providers, under different quality of service parameters, using a fixed BPEL scenario has been recognized to be inadequate for servicing the diverse needs of business processes clients. To this end, WS-BPEL scenario execution adaptation has been proposed, mainly allowing clients to specify quality of service policies, which drive the dynamic selection of the services that will be invoked. In this paper, we present a framework extending the quality of service-based adaptation mechanisms with collaborative filtering techniques, allowing clients to further refine the adaptation process by considering service selections made by other clients, in the context of the same business processes.},
	doi = {10.1109/rcis.2013.6577691},
	author = {Dionisis Margaris and P. Georgiadis and Costas Vassilakis}
}
@conference {kalikakis2007b,
	title = {An Approach for re-engineering the Taxation Process to Support Participatory Decisions on Tax Budget Allocation},
	booktitle = {Proceedings of the 1st International Conference on Methodologies, Technologies and Tools enabling e-Government},
	year = {2007},
	month = {9},
	abstract = {The tax collection process has been described as a bureaucratic one, that confines citizen involvement to the role of passive fulfillment of administrative and financial obligations. Active citizen participation, in the form of some political say on the allocation of collected taxes which could potentially improve and further legitimize tax collection, is not a part of the traditional taxation model. In this paper we describe a new taxation model which, in the spirit of participatory budgeting approaches, supports active citizens? participation on decision making regarding tax funds allocation.},
	author = {M. Kalikakis and D. Gouscos and Costas Vassilakis and P. Georgiadis}
}
