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UCREL Semantic Analysis System (USAS)

ucrel.lancs.ac.uk · 1,223 words · saved by 1 readers

The semantic tagset used by USAS was originally loosely based on Tom McArthur's Longman Lexicon of Contemporary English (McArthur, 1981). It has a multi-tier structure with 21 major discourse fields (shown here on the right), subdivided, and with the possibility of further fine-grained subdivision in certain cases. We have written an introduction to the USAS category system (PDF file) with examples of prototypical words and multi-word units in each semantic field. The full tagset is available on-line in plain text form and formatted on one page in PDF. We also have a list of the full descriptive labels of the semantic subcategories. A visual representation showing the USAS tagset heirarchy is now on-line, along with those for the Louw-Nida model and the Hallig/Von Wartburg/Schmidt/Wilson Model. Please get in touch with Paul Rayson if you would like to be involved in further improvements of the tools or the addition of new languages. In order to reference this further development of the

Publications describing the system (or extensions of the system) Wilson, A. and Rayson, P. (1993). Automatic Content Analysis of Spoken Discourse. In: C. Souter and E. Atwell (eds), Corpus Based Computational Linguistics. Amsterdam: Rodopi. pp215-226 (text) Wilson, A. (1993). Towards an Integration of Content Analysis and Discourse Analysis: The Automatic Linkage of Key Relations in Text. UCREL Technical Paper 3, Linguistics Department, Lancaster University. Rayson, P., and Wilson, A. (1996). The ACAMRIT semantic tagging system: progress report. In L. J. Evett, and T. G. Rose (eds)…

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