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author_ss:"Ulvila, J.W."
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Ulvila, J.W.: Testing knowledge-based systems : an overview (1994)
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- The economics of information. ASIS'94. Proc. 57th ASIS Annual Meeting, Alexandria, VA, Oct. 17-20, 1994. Ed.: B. Maxian
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Lancaster, F.W.; Ulvila, J.W.; Humphrey, S.M.; Smith, L.C.; Allen, B.; Herner, S.: Evaluation of interactive knowledge-based systems : overview and design for empirical testing (1996)
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