Algorithms and Data Structures: 2nd Workshop, WADS '91 by Walter Cunto, J. Ian Munro, Patricio V. Poblete (auth.),

By Walter Cunto, J. Ian Munro, Patricio V. Poblete (auth.), Frank Dehne, Jörg-Rüdiger Sack, Nicola Santoro (eds.)

This quantity offers the court cases of the second one Workshop on Algorithms and knowledge constructions (WADS '91), held at Carleton collage in Ottawa. The workshop was once geared up by means of the college of desktop technology at Carleton college. The workshop alternates with the Scandinavian Workshop on set of rules idea (SWAT), carrying on with the culture of SWAT '88 (LNCS, Vol. 318), WADS '89 (LNCS, Vol. 382), and SWAT '90 (LNCS, Vol. 447). From 107 papers submitted, 37 have been chosen for presentation on the workshop. additionally, there have been five invited presentations.

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Extra resources for Algorithms and Data Structures: 2nd Workshop, WADS '91 Ottawa, Canada, August 14–16, 1991 Proceedings

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Domain specialization led to an elaboration of the methods of sublanguage analysis (Sager, 1981), in particular as applied to the language of clinical reporting in patient documents and to the extraction of information. The project still has an influence on medical language processing. 2 Frame Theory Schank’s research inspired many scientists. Though his theory was rarely implemented in its pure form, it boosted research into frame based methods for knowledge representation. The notion of a frame system was explicitly formulated for the first time by Minsky in his groundbreaking paper on knowledge representation structures for artificial intelligence.

The underlying idea is that it is easier to annotate documents than to write extraction rules, since the later requires some degree of programming expertise and usually relies on the skills of the knowledge engineer to anticipate extra patterns. Although for some applications symbolic, handcrafted knowledge is more convenient, we see a gradually increasing interest in the machine learning techniques from the second half of the 1990s onwards. 32 2 Information Extraction from an Historical Perspective Several research experiments have demonstrated that the supervised learning techniques produce very good results compared to systems that use handcrafted patterns.

1172-1178). San Mateo, CA: Morgan Kaufmann. , Charles J. Fillmore and John B. Lowe (1998). The Berkeley FrameNet project. In Proceedings of the COLING-ACL ’98 Joint Conference (pp. 86-90). San Francisco, CA: Morgan Kaufmann. Butler, Christopher S. (2003). Structure and Function: A Guide to Three Major Structural-Functional Theories. Amsterdam, The Netherlands: John Benjamins. Church, Kenneth (1988). A stochastic parts program and noun phrase parser for unrestricted texts. In Proceedings of the Second Conference on Applied Natural Language Processing.

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