Statistical Language Learning
Building a large annotated corpus of English: the penn treebank
Computational Linguistics - Special issue on using large corpora: II
TnT: a statistical part-of-speech tagger
ANLC '00 Proceedings of the sixth conference on Applied natural language processing
A maximum-entropy-inspired parser
NAACL 2000 Proceedings of the 1st North American chapter of the Association for Computational Linguistics conference
An annotation scheme for free word order languages
ANLC '97 Proceedings of the fifth conference on Applied natural language processing
Three generative, lexicalised models for statistical parsing
ACL '98 Proceedings of the 35th Annual Meeting of the Association for Computational Linguistics and Eighth Conference of the European Chapter of the Association for Computational Linguistics
Inside-outside estimation of a lexicalized PCFG for German
ACL '99 Proceedings of the 37th annual meeting of the Association for Computational Linguistics on Computational Linguistics
A statistical parser for Czech
ACL '99 Proceedings of the 37th annual meeting of the Association for Computational Linguistics on Computational Linguistics
A stochastic topological parser for German
COLING '02 Proceedings of the 19th international conference on Computational linguistics - Volume 1
Generative models for statistical parsing with Combinatory Categorial Grammar
ACL '02 Proceedings of the 40th Annual Meeting on Association for Computational Linguistics
Two statistical parsing models applied to the Chinese Treebank
CLPW '00 Proceedings of the second workshop on Chinese language processing: held in conjunction with the 38th Annual Meeting of the Association for Computational Linguistics - Volume 12
Statistical parsing with a context-free grammar and word statistics
AAAI'97/IAAI'97 Proceedings of the fourteenth national conference on artificial intelligence and ninth conference on Innovative applications of artificial intelligence
ACL '04 Proceedings of the 42nd Annual Meeting on Association for Computational Linguistics
Lexicalization in crosslinguistic probabilistic parsing: the case of French
ACL '05 Proceedings of the 43rd Annual Meeting on Association for Computational Linguistics
What to do when lexicalization fails: parsing German with suffix analysis and smoothing
ACL '05 Proceedings of the 43rd Annual Meeting on Association for Computational Linguistics
Clause restructuring for statistical machine translation
ACL '05 Proceedings of the 43rd Annual Meeting on Association for Computational Linguistics
Creating a CCGbank and a wide-coverage CCG lexicon for German
ACL-44 Proceedings of the 21st International Conference on Computational Linguistics and the 44th annual meeting of the Association for Computational Linguistics
Annotation strategies for probabilistic parsing in German
COLING '04 Proceedings of the 20th international conference on Computational Linguistics
Morphology and reranking for the statistical parsing of Spanish
HLT '05 Proceedings of the conference on Human Language Technology and Empirical Methods in Natural Language Processing
GoTAL '08 Proceedings of the 6th international conference on Advances in Natural Language Processing
Computational Linguistics
Annotation schemes and their influence on parsing results
COLING ACL '06 Proceedings of the 21st International Conference on computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics: Student Research Workshop
CoNLL-X shared task on multilingual dependency parsing
CoNLL-X '06 Proceedings of the Tenth Conference on Computational Natural Language Learning
Parsing the SynTagRus treebank of Russian
COLING '08 Proceedings of the 22nd International Conference on Computational Linguistics - Volume 1
Is it really that difficult to parse German?
EMNLP '06 Proceedings of the 2006 Conference on Empirical Methods in Natural Language Processing
Parse selection with a German HPSG grammar
PaGe '08 Proceedings of the Workshop on Parsing German
PaGe '08 Proceedings of the Workshop on Parsing German
Parsing three German treebanks: lexicalized and unlexicalized baselines
PaGe '08 Proceedings of the Workshop on Parsing German
A dependency-driven parser for German dependency and constituency representations
PaGe '08 Proceedings of the Workshop on Parsing German
Three-dimensional parametrization for parsing morphologically rich languages
IWPT '07 Proceedings of the 10th International Conference on Parsing Technologies
Discontinuity revisited: an improved conversion to context-free representations
LAW '07 Proceedings of the Linguistic Annotation Workshop
Multiple-step treebank conversion: from dependency to Penn format
LAW '07 Proceedings of the Linguistic Annotation Workshop
Corrective modeling for non-projective dependency parsing
Parsing '05 Proceedings of the Ninth International Workshop on Parsing Technology
Head-driven PCFGs with latent-head statistics
Parsing '05 Proceedings of the Ninth International Workshop on Parsing Technology
Topological field parsing of German
ACL '09 Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP: Volume 1 - Volume 1
Construction of a German HPSG grammar from a detailed treebank
GEAF '09 Proceedings of the 2009 Workshop on Grammar Engineering Across Frameworks
Cross parser evaluation and tagset variation: a French treebank study
IWPT '09 Proceedings of the 11th International Conference on Parsing Technologies
On statistical parsing of French with supervised and semi-supervised strategies
CLAGI '09 Proceedings of the EACL 2009 Workshop on Computational Linguistic Aspects of Grammatical Inference
Accurate unlexicalized parsing for modern Hebrew
TSD'07 Proceedings of the 10th international conference on Text, speech and dialogue
Statistical parsing of morphologically rich languages (SPMRL): what, how and whither
SPMRL '10 Proceedings of the NAACL HLT 2010 First Workshop on Statistical Parsing of Morphologically-Rich Languages
Better Arabic parsing: baselines, evaluations, and analysis
COLING '10 Proceedings of the 23rd International Conference on Computational Linguistics
Data-driven parsing with probabilistic linear context-free rewriting systems
COLING '10 Proceedings of the 23rd International Conference on Computational Linguistics
Clause restructuring for SMT not absolutely helpful
HLT '11 Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies: short papers - Volume 2
ICCPOL'06 Proceedings of the 21st international conference on Computer Processing of Oriental Languages: beyond the orient: the research challenges ahead
Inducing head-driven PCFGs with latent heads: refining a tree-bank grammar for parsing
ECML'05 Proceedings of the 16th European conference on Machine Learning
Problems of inducing large coverage constraint-based dependency grammar for czech
CSLP'04 Proceedings of the First international conference on Constraint Solving and Language Processing
Parsing unrestricted german text with defeasible constraints
CSLP'04 Proceedings of the First international conference on Constraint Solving and Language Processing
Adaptation of data and models for probabilistic parsing of portuguese
PROPOR'06 Proceedings of the 7th international conference on Computational Processing of the Portuguese Language
IWPT '11 Proceedings of the 12th International Conference on Parsing Technologies
Efficient parsing with linear context-free rewriting systems
EACL '12 Proceedings of the 13th Conference of the European Chapter of the Association for Computational Linguistics
Parsing morphologically rich languages: Introduction to the special issue
Computational Linguistics
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We present a probabilistic parsing model for German trained on the Negra treebank. We observe that existing lexicalized parsing models using head-head dependencies, while successful for English, fail to outperform an unlexicalized baseline model for German. Learning curves show that this effect is not due to lack of training data. We propose an alternative model that uses sister-head dependencies instead of head-head dependencies. This model out-performs the baseline, achieving a labeled precision and recall of up to 74%. This indicates that sister-head dependencies are more appropriate for treebanks with very flat structures such as Negra.