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Harbusch, K., & Kempen, G. (2011). Automatic online writing support for L2 learners of German through output monitoring by a natural-language paraphrase generator. In M. Levy, F. Blin, C. Bradin Siskin, & O. Takeuchi (
Eds. ), WorldCALL: International perspectives on computer-assisted language learning (pp. 128-143). New York: Routledge.Abstract
Students who are learning to write in a foreign language, often want feedback on the grammatical quality of the sentences they produce. The usual NLP approach to this problem is based on parsing student-generated text. Here, we propose a generation-based ap- proach aiming at preventing errors ("scaffolding"). In our ICALL system, the student constructs sentences by composing syntactic trees out of lexically anchored "treelets" via a graphical drag & drop user interface. A natural-language generator computes all possible grammatically well-formed sentences entailed by the student-composed tree. It provides positive feedback if the student-composed tree belongs to the well-formed set, and negative feedback otherwise. If so requested by the student, it can substantiate the positive or negative feedback based on a comparison between the student-composed tree and its own trees (informative feedback on demand). In case of negative feedback, the system refuses to build the structure attempted by the student. Frequently occurring errors are handled in terms of "malrules." The system we describe is a prototype (implemented in JAVA and C++) which can be parameterized with respect to L1 and L2, the size of the lexicon, and the level of detail of the visually presented grammatical structures. -
Kempen, G. (1999). Fiets en (centri)fuge. Onze Taal, 68, 88.
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Kempen, G. (1999). Visual Grammar: Multimedia for grammar and spelling instruction in primary education. In K. Cameron (
Ed. ), CALL: Media, design, and applications (pp. 223-238). Lisse: Swets & Zeitlinger. -
Kempen, G. (1995). De mythe van het woordbeeld: Spellingherziening taalpsychologisch doorgelicht. Onze Taal, 64(11), 275-277.
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Kempen, G. (1995). Drinken eten mij Nim. Intermediair, 31(19), 41-45.
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Kempen, G. (1995). 'Hier spreekt men Nederlands'. EMNET: Nieuwsbrief Elektronische Media, 22, 1.
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Kempen, G. (1995). IJ of Y? Onze Taal, 64(9), 205-206.
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Kempen, G. (1995). Processing discontinuous lexical items: A reply to Frazier. Cognition, 55, 219-221. doi:10.1016/0010-0277(94)00657-7.
Abstract
Comments on a study by Frazier and others on Dutch-language lexical processing. Claims that the control condition in the experiment was inadequate and that an assumption made by Frazier about closed class verbal items is inaccurate, and proposes an alternative account of a subset of the data from the experiment -
Kempen, G. (1995). Processing separable complex verbs in Dutch: Comments on Frazier, Flores d'Arcais, and Coolen (1993). Cognition, 54, 353-356. doi:10.1016/0010-0277(94)00649-6.
Abstract
Raises objections to L. Frazier et al's (see record 1994-32229-001) report of an experimental study intended to test Schreuder's (1990) Morphological Integration (MI) model concerning the processing of separable and inseparable verbs and shows that the logic of the experiment is flawed. The problem is rooted in the notion of a separable complex verb. The conclusion is drawn that Frazier et al's experimental data cannot be taken as evidence for the theoretical propositions they develop about the MI model. -
Kempen, G. (1995). Van leescultuur en beeldcultuur naar internetcultuur. De Psycholoog, 30, 315-319.
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