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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. (1996). Computational models of syntactic processing in human language comprehension. In T. Dijkstra, & K. De Smedt (
Eds. ), Computational psycholinguistics: Symbolic and subsymbolic models of language processing (pp. 192-220). London: Taylor & Francis. -
Kempen, G. (1996). "De zwoele groei van den zinsbouw": De wonderlijke levende grammatica van Jac. van Ginneken uit De Roman van een Kleuter (1917). Bezorgd en van een nawoord voorzien door Gerard Kempen. In A. Foolen, & J. Noordegraaf (
Eds. ), De taal is kennis van de ziel: Opstellen over Jac. van Ginneken (1877-1945) (pp. 173-216). Münster: Nodus Publikationen. -
Kempen, G. (1996). “De zwoele groei van de zinsbouw”: De wonderlijke levende grammatica van Jac. van Ginneken uit 'De roman van een kleuter' (1917). In A. Foolen, & J. Noordegraaf (
Eds. ), De taal is kennis van de ziel. Opstellen over Jac. van Ginneken (1877–1945) (pp. 173-216). Münster: Nodus.Files private
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Kempen, G. (1996). Human language technology can modernize writing and grammar instruction. In COLING '96 Proceedings of the 16th conference on Computational linguistics - Volume 2 (pp. 1005-1006). Stroudsburg, PA: Association for Computational Linguistics.
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Kempen, G. (1996). Lezen, leren lezen, dyslexie: De auditieve basis van visuele woordherkenning. Nederlands Tijdschrift voor de Psychologie, 51, 91-100.
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Kempen, G., & Janssen, S. (1996). Omspellen: Reuze(n)karwei of peule(n)schil? In H. Croll, & J. Creutzberg (
Eds. ), Proceedings of the 5e Dag van het Document (pp. 143-146). Projectbureau Croll en Creutzberg. -
Kempen, G. (1996). Wetenschap op internet: Een voorstel voor de Nederlandse Psychonomie. Nieuwsbrief Nederlandse Vereniging voor Psychonomie, 3, 5-8.
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De Smedt, K., & Kempen, G. (1996). Discontinuous constituency in Segment Grammar. In H. C. Bunt, & A. Van Horck (
Eds. ), Discontinuous constituency (pp. 141-163). Berlin: Mouton de Gruyter. -
Kempen, G., & Vosse, T. (1989). Incremental syntactic tree formation in human sentence processing: A cognitive architecture based on activation decay and simulated annealing. Connection Science, 1(3), 273-290. doi:10.1080/09540098908915642.
Abstract
A new cognitive architecture is proposed for the syntactic aspects of human sentence processing. The architecture, called Unification Space, is biologically inspired but not based on neural nets. Instead it relies on biosynthesis as a basic metaphor. We use simulated annealing as an optimization technique which searches for the best configuration of isolated syntactic segments or subtrees in the final parse tree. The gradually decaying activation of individual syntactic nodes determines the ‘global excitation level’ of the system. This parameter serves the function of ‘computational temperature’ in simulated annealing. We have built a computer implementation of the architecture which simulates well-known sentence understanding phenomena. We report successful simulations of the psycholinguistic effects of clause embedding, minimal attachment, right association and lexical ambiguity. In addition, we simulated impaired sentence understanding as observable in agrammatic patients. Since the Unification Space allows for contextual (semantic and pragmatic) influences on the syntactic tree formation process, it belongs to the class of interactive sentence processing models. -
Kempen, G. (1989). Informatiegedragskunde: Pijler van de moderne informatieverzorging. In A. F. Marks (
Ed. ), Sociaal-wetenschappelijke informatie en kennisvorming in onderzoek, onderzoeksbeleid en beroep (pp. 31-35). Amsterdam: SWIDOC. -
Kempen, G. (1989). Language generation systems. In I. S. Bátori, W. Lenders, & W. Putschke (
Eds. ), Computational linguistics: An international handbook on computer oriented language research and applications (pp. 471-480). Berlin/New York: Walter de Gruyter.
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