Abstract
The Ypa is a directory enquiry system which allows a user to access advertiser information in classified directories [1]. It converts semi-structured data in the Yellow Pages machine readable classified directories into a set of indices appropriate to the domain and task, and converts natural language queries into filled slot and filler structures appropriate for queries in the domain. The generation of answers requires a domain-dependent query construction step, connecting the indices and the slot and fillers. The Ypa illustrates an unusual but useful intermediate point between information retrieval and logical knowledge representation.
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De Roeck, A., Kruschwitz, U., Scott, P., Steel, S., Turner, R., Webb, N. (2000). The YPA – An Assistant for Classified Directory Enquiries. In: Azvine, B., Nauck, D.D., Azarmi, N. (eds) Intelligent Systems and Soft Computing. Lecture Notes in Computer Science(), vol 1804. Springer, Berlin, Heidelberg. https://doi.org/10.1007/10720181_10
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DOI: https://doi.org/10.1007/10720181_10
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