Knowledge-based intelligent error feedback in a Spanish ICALL system
Koller, Thomas (2003) Knowledge-based intelligent error feedback in a Spanish ICALL system. In: AICS 2003 - 14th Irish Artificial Intelligence and Cognitive Science , 17-19 September 2003, Dublin , Ireland.
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This paper describes the Spanish ICALL system ESPADA
which helps language learners to improve their syntactical
knowledge. The most important parts of ESPADA for the learner are a Demonstration Module and an Analysis Module. The Demonstration Module provides animated presentation of selected grammatical information. The Analysis Module is able to parse ill-formed sentences and to give adequate feedback on 28 different error types from different levels of language use (syntax, semantics, agreement). It contains a robust chart-based island parser which uses a combination
of mal-rules and constraint relaxation to ensure that learner input can be analysed and appropriate error feedback can be generated.
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