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Strzalkowski, T.: Natural language information retrieval (1995)
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Strzalkowski, T.: Robust text processing in automated information retrieval (1994)
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Strzalkowski, T.; Perez-Carballo, J.: Natural language information retrieval : TREC-4 report (1996)
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Strzalkowski, T.; Sparck Jones, K.: NLP track at TREC-5 (1997)
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Perez-Carballo, J.; Strzalkowski, T.: Natural language information retrieval : progress report (2000)
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Satta, G.; Stock, O.: Bidirectional context-free grammar parsing for natural language processing (1994)
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Sharada, B.A.: Rules derivation for Kannada based indexing language using transformational grammar (1998)
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Pritchard-Schoch, T.: Comparing natural language retrieval : Win & Freestyle (1995)
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SARA (SGML Aware Retrieval Application) Workshop, 19th June 1994 (1994)
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Hsu, J.: ¬The development of electronic surveys : a computer language-based method (1995)
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