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The process of requirements gathering has been a much-discussed subject in computer science for years. It seems difficult to incorporate end-users in this process. Although there have been numerous papers devoted to this problem, it remains unsolved. The paper proposes to ease this process by describing tools and methods to extract information from end-user documents, bringing their knowledge into the requirements and design phase of software systems. The authors' do so by analyzing two different types of end-user documents: spreadsheets and text documents. Furthermore the paper introduces a novel way of representing the extracted domain in-formation, in structured tag cloud diagrams. It presents results of the extraction processes and describe avenues for future research.
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