Maria Giaoutzi

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The term " crowdsourcing " was initially introduced by Howe in his article " The Rise of Crowdsourcing " [1]. During the last few years, crowdsourcing has become popular among companies, institutions and universities, as a crowd-centered modern " tool " for problem solving. Crowdsourcing is mainly based on the idea of an open-call publication of a problem,(More)
Perception and expectation of citizens is an important factor in urban planning, settlement and management. Hence, there is a need of a participatory citizen centric planning of urban settlement based on spatial data. These perception and expectation may be represented in terms of emotions. Determining Urban Emotions is an approach which can be used to map(More)
Successful emergency-response operations require capable systems to support efficient information-sharing, communication, and coordination of the multiple involved safety agencies. Μany authors have identified that Information Quality (IQ) and System Quality (SQ) are major hurdles for efficient and effective multi-agency response, and simultaneously they(More)
The present paper focuses on the development of an integrated assessment model that embeds the web dimension and aims at increasing awareness in society, especially on environmental issues. The model incorporates features that make it capable of promoting participatory planning procedures in dealing with environmental problems. The first part of the paper(More)
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