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Computer assisted (language) learning (CA(L)L) for the inclusive classroom
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Greene, Cara N.. - : Dublin City University. Centre for Next Generation Localisation (CNGL), 2013. : Dublin City University. National Centre for Language Technology (NCLT), 2013. : Dublin City University. School of Computing, 2013
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In: Greene, Cara N. (2013) Computer assisted (language) learning (CA(L)L) for the inclusive classroom. PhD thesis, Dublin City University. (2013)
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Mapping the industry I: Findings on translation technologies and quality assessment
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In: Doherty, Stephen orcid:0000-0003-0887-1049 , Gaspari, Federico, Groves, Declan and van Genabith, Josef orcid:0000-0003-1322-7944 (2013) Mapping the industry I: Findings on translation technologies and quality assessment. Technical Report. GALA. (2013)
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Detecting grammatical errors with treebank-induced, probabilistic parsers
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In: Wagner, Joachim orcid:0000-0002-8290-3849 (2012) Detecting grammatical errors with treebank-induced, probabilistic parsers. PhD thesis, Dublin City University. (2012)
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Irish treebanking and parsing: a preliminary evaluation
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In: Lynn, Teresa, Cetinoglu, Ozlem, Foster, Jennifer orcid:0000-0002-7789-4853 , Uí Dhonnchadha, Elaine orcid:0000-0003-3448-4288 , Dras, Mark orcid:0000-0001-9908-7182 and van Genabith, Josef orcid:0000-0003-1322-7944 (2012) Irish treebanking and parsing: a preliminary evaluation. In: International Conference on Linguistic Resources and Evaluation, 21-27 May 2012, Istanbul, Turkey. (2012)
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Automatic treebank annotation for the acquisition of LFG resources
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In: Burke, Michael (2006) Automatic treebank annotation for the acquisition of LFG resources. PhD thesis, Dublin City University. (2006)
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Treebank annotation with a wide-coverage head-driven phrase structure grammar
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In: Schmidtke, Dag (2004) Treebank annotation with a wide-coverage head-driven phrase structure grammar. Master of Science thesis, Dublin City University. (2004)
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Abstract:
In this dissertation I investigate ways to extend the annotation of treebanks, or parsed corpora, by taking advantage of the rich and sophisticated grammatical analysis embodied in a modern, constraint-based wide-coverage grammar. As the underlying processing engine I implement a full typed feature structure inference and HPSG parsing system in C#. I develop a method for annotating a treebank with typed feature structure information with the use of the LmGO ERG grammar, an existing widecoverage Head-Driven Phrase Structure Grammar (HPSG). I use standard techniques to head-lexicalise and binanse the treebank and further pre-process it to make it more compatible with the general grammatical structures assumed in HPSG. I then establish a mapping between local CFG and HPSG configurations and map local trees to HPSG phrase types. Finally the typed feature structures associated with the local trees are combined to complete resolved HPSG signs through constraint resolution and by applying the rules from the HPSG grammar. Discrepancies between the treebank and the HPSG grammar are analysed with respect to implications for grammar extension and automatic rich lexicon entry acquisition is also investigated. The aim of this work is to develop a method of constraint-based grammar-driven treebank annotation combining data- and theory-driven approaches to NLP. With this I aim to produce a richer treebank to demonstrate the benefits of using an existing widecoverage grammar for treebank annotation and to explore ways of using treebanks to extend grammar coverage for sophisticated wide-coverage constraint-based grammars, with possible implications for robust parsing. In experiments the annotation method achieves a coverage of 99 8% of the ATIS corpus, with 95 3% non-fragment trees receiving a successful resolution, using a basic HPSG grammar. Using the full LinGO ERG grammar, 68 8% of non-fragment trees are resolved, and lexical type mapping for main verbs and nouns achieves a level of detail close to that of pre-defined lexical items. Also several trees for which the un-annotated string cannot be parsed by the LinGO ERG grammar receive a resolution in the annotation method, and words and subcategorisation frames not in the LinGO ERG lexicon are identified and handled. With the direct use of LinGO ERG grammar in the annotation the resulting lexical and phrasal signs are fully LinGO-compatible and can be easily incorporated back in the grammar.
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Keyword:
Head-driven phrase structure grammar; Linguistics; Machine translating; Parsing (Computer grammar); Treebanks
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URL: http://doras.dcu.ie/18220/
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A structural alignment model of noun-noun compound interpretation
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Hayes, Jer. - : Dublin City University. School of Computing, 2003
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In: Hayes, Jer (2003) A structural alignment model of noun-noun compound interpretation. Master of Science thesis, Dublin City University. (2003)
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