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Is it possible to discover semantic term relations useful for thesauri without any semantic information? Yes, it is. A recent approach for automatic thesaurus construction is based on explicit linguistic knowledge , i.e. a domain independent parser without any semantic component, and implicit linguistic knowledge contained in large amounts of real world… (More)
Results of cognitive psychology research are analysed to explain why it is difficult for retrieval system users to bring to mind alternative search terms. A human memory model is modified in such a way that it produces additional search terms instead of human associations. A small experiment shows that such a spreading activation network can find… (More)
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