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This paper introduces the concepts of asking point and expected answer type as variations of the question focus. They are of particular importance for QA over semi-structured data, as represented by Topic Maps, OWL or custom XML formats. We describe an approach to the identification of the question focus from questions asked to a Question Answering system(More)
This paper presents a framework of ICT solutions developed in the EU research project DIADEM that supports environmental management for chemical hazards in industrial areas, with an enhanced capacity to assess population exposure and health risks, alert relevant groups and organize efficient response. The emphasis is on advanced solutions which are(More)
As Topic Maps allow a structural representation of knowledge , this structure often needs to be visually presented to end-users. Issues, often contradictory, such as representation and navigation requirements , arise. TopiMaker addresses most of these issues by putting the Topic Map as a graph on a 2D ground plane in an interactive 3D world. Topics can be(More)
The paper presents a semantic logging framework which allows structured information logging in an agent-based distributed system for chemical incident response. The logging framework is “semantic” because it allows semantic interpretation of logs according to relationships defined between logging events. For example, this approach could help(More)
While authoring topic maps using knowledge extracted from technical documentation, it was realized that the actual process of au-thoring topic maps can contribute to the quality of the documents. This has led to the idea of integrating Topic Maps technology with a word processor. It was found that such an integration provides advantages for document authors(More)
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