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Gamon, Michael; Leacock, Claudia; Brockett, Chris; Dolan, William B.; Gao, Jianfeng; Belenko, Dmitriy; Klementiev, Alexandre – CALICO Journal, 2009
In this paper we present a system for automatic correction of errors made by learners of English. The system has two novel aspects. First, machine-learned classifiers trained on large amounts of native data and a very large language model are combined to optimize the precision of suggested corrections. Second, the user can access real-life web…
Descriptors: English (Second Language), Error Correction, Second Language Learning, Computer Assisted Instruction
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Hegelheimer, Volker; Fisher, David – CALICO Journal, 2006
English language learners are frequently unable to benefit from the prevailing process-writing approaches due to a lack of grammar and vocabulary knowledge relevant to academic writing. This paper describes how the need for explicit grammar instruction as part of preparing students to write can be addressed by using a collection of learner texts…
Descriptors: Grammar, Second Language Learning, Vocabulary Development, Internet