Anna Sågvall Hein, GSLT, January 2003 Language modules in the new organisation of MULTRA dictionary in a database with different views excl. contextually defined lexical transfer rules Swedish grammar (excl. morfologi) transfer grammar –incl. contextually defined lexical transfer rules generation grammar (excl. morphology) –temporary generation dictionary (lexemes)
Anna Sågvall Hein, GSLT, January 2003 The lexical database sv-en_LinkLexicon en_Inflections en_LemmaLexicon en_LexemeLexicon en_Lexicon en_StemLexicon sv_Inflections sv_LemmaLexicon sv_LexemeLexicon sv_Lexicon sv_StemLexicon
Anna Sågvall Hein, GSLT, January 2003 Scaling up the dictionary Swedish lemmas English lemmas befor 369 184 now 20.883 6.562
Anna Sågvall Hein, GSLT, January 2003 Scaling up the Swedish-English lexeme dictionary word alignment with UWA lemmatising the Swedish one-word-units in the word links heuristic lemmatisation of the English counterparts basic cleaning professionell revision genereration of lexemes
Anna Sågvall Hein, GSLT, January 2003 The MATS process in 10 steps 1.extracting text sentences from SGML-dokuments 2.tokenisation 3.extracting lemmas (SL+TL), lexemes (SL + TL), linguistic codes and valency rules form the db. 4.expansion av lemma-, lexeme- och valency codes 5.mosy-code av-strukture 6.parsing
Anna Sågvall Hein, GSLT, January 2003 6. transfer + syntactisk generation 7. av-strukture mosy-code 8. dictionary look-up in db 9. finish (capital letter etc.) 10. recreate SGML Continuation (steps 7-11)
Anna Sågvall Hein, GSLT, January 2003 Lexicalistic translation Identify (lexical) translation units in the source sentence Translate each unit separately (considering the context) Order the result in agreement with a model of the target language (formulation due to Lars Ahrenberg; see further the KOMA project) See also Beaven, L. John, Shake-and-Bake Machine Translation. Coling – 92, Nantes, 23-28 Aout 1992.
Anna Sågvall Hein, GSLT, January 2003 Lexicalistic systems? Systran? Multra? Scots
Anna Sågvall Hein, GSLT, January 2003 Interlingua translation See SN
Anna Sågvall Hein, GSLT, January 2003 Assignment 2: Hable Con Ella (babelfish) Translate the text from English to one of your favourite languages using Babelfish Make a general quality assessment of the translation. Specify what transfer rules were applied Formulate them in the Multra formalism Specify the translation errors that were made and discuss how they may be handled.