PD Dr. Helmut Schmid
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| Research Interests | ||||
| Probabilistic and Symbolic NLP, POS Tagging, Parsing, Finite-State Tools, Computational Morphology, Statistical Machine Translation | ||||
| Publications | ||||
| Hassan Sajjad, Alexander Fraser, Helmut Schmid (2012). A Statistical Model for Unsupervised and Semi-supervised Transliteration Mining. In Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (ACL-12), Jeju, Republic of Korea.
Hassan Sajjad, Nadir Durrani, Helmut Schmid, Alexander Fraser (2011). Comparing Two Techniques for Learning Transliteration Models Using a Parallel Corpus. In Proceedings of the 5th International Joint Conference on Natural Language Processing (IJCNLP), Chiang Mai, Thailand. Nadir Durrani, Helmut Schmid, Alexander Fraser (2011): A Joint Sequence Translation Model with Integrated Reordering, Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies (ACL-HLT), Portland, Oregon. Hassan Sajjad, Alexander Fraser, Helmut Schmid (2011): An Algorithm for Unsupervised Transliteration Mining with an Application to Word Alignment, Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies (ACL-HLT), Portland, Oregon. Nadir Durrani, Hassan Sajjad, Alexander Fraser, Helmut Schmid (2010): Hindi-to-Urdu Machine Translation Through Transliteration. Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics (ACL), pages 465-474, Uppsala, Sweden. Fabienne Fritzinger, Max Kisselew, Ulrich Heid, Andreas Madsack, Helmut Schmid (2009): Werkzeuge zur Extraktion von signifikanten Wortpaaren als Web Service, in Wolfgang Hoeppner, editor, GSCL-Symposium Sprachtechnologie und eHumanities, Technischer Bericht Nr. 2009-01 Duisburg, Germany. Hassan Sajjad, Helmut Schmid (2009): Tagging Urdu Text with Parts of Speech: A Tagger Comparison, Proceedings of the 12th Conference of the European Chapter of the Association for Computational Linguistics (EACL) . Athens, Greece. Wiebke Wagner, Helmut Schmid, Sabine Schulte im Walde (2009): Verb Sense Disambiguation using a Predicate-Argument-Clustering Model, Proceedings of the CogSci Workshop on Distributional Semantics beyond Concrete Concepts. Amsterdam, The Netherlands, July 2009. Helmut Schmid, Florian Laws (2008): Estimation of Conditional Probabilities with Decision Trees and an Application to Fine-Grained POS Tagging, COLING 2008, Manchester, Great Britain. Sabine Schulte im Walde, Christian Hying, Christian Scheible, Helmut Schmid: Combining EM Training and the MDL Principle for an Automatic Verb Classification Incorporating Selectional Preferences, ACL-HLT 2008, Columbus, Ohio. Helmut Schmid, Bernd Möbius, Julia Weidenkaff (2007): Tagging Syllable Boundaries With Joint N-Gram Models, Interspeech 2007, Antwerp, Belgium. Vera Demberg, Helmut Schmid, Gregor Möhler (2007): Phonological Constraints and Morphological Preprocessing for Grapheme-to-Phoneme Conversion, Proceedings of ACL 2007, Prague, Czech Republic. Helmut Schmid (2006): Trace Prediction and Recovery With Unlexicalized PCFGs and Slash Features, Proceedings of COLING-ACL 2006, Sydney, Australia. Helmut Schmid (2005)Disambiguation of Morphological Structure Using a PCFG, Proceedings of the Human Language Technology Conference and the Conference on Empirical Methods in Natural Language Processing (HLT/EMNLP 2005), Vancouver, Canada. Helmut Schmid (2005): A Programming Language for Finite State Transducers Proceedings of the 5th International Workshop on Finite State Methods in Natural Language Processing (FSMNLP 2005), Helsinki, Finland. Helmut Schmid, Michaela Atterer (2004): New Statistical Methods for Phrase Break Prediction, Proceedings of the 20th International Conference on Computational Linguistics (COLING 2004), Geneva, Switzerland. Helmut Schmid (2004): Efficient Parsing of Highly Ambiguous Context-Free Grammars with Bit Vectors, Proceedings of the 20th International Conference on Computational Linguistics (COLING 2004), Geneva, Switzerland. Helmut Schmid, Arne Fitschen, Ulrich Heid (2004): SMOR: A German Computational Morphology Covering Derivation, Composition, and Inflection, Proceedings of the IVth International Conference on Language Resources and Evaluation (LREC 2004), p. 1263-1266, Lisbon, Portugal. Helmut Schmid (2002): Lexicalization of Probabilistic Grammars. Proceedings of the 19th International Conference on Computational Linguistics (COLING 2002), Taipei, Taiwan. Helmut Schmid (2002): A Generative Probability Model for Unification-Based Grammars. Proceedings of the 19th International Conference on Computational Linguistics (COLING 2002), Taipei, Taiwan. Helmut Schmid, Mats Rooth (2001): Parse Forest Computation of Expected Governors. Proceedings of the 39th Annual Meeting of the ACL (ACL 2001), Toulouse, France. Helmut Schmid, Sabine Schulte im Walde (2000): Robust German Noun Chunking With a Probabilistic Context-Free Grammar. Proceedings of the 18th International Conference on Computational Linguistics (COLING 2000), August 2000. Helmut Schmid (2000) LoPar: Design and Implementation. Arbeitspapiere des Sonderforschungsbereiches 340, No. 149, IMS Stuttgart, July 2000. (25 pages) Helmut Schmid (2000): Unsupervised Learning of Period Disambiguation for Tokenisation. Internal Report, IMS, University of Stuttgart, May 2000. (16 pages) Helmut Schmid( 2000): YAP - Parsing and Disambiguation With Feature-Based Grammars. Ph.D. thesis, University of Stuttgart, January 2000, AIMS report 6(1). (197 pages) Helmut Schmid (1997): Parsing by Successive Approximation. Proceedings of International Workshop on Parsing Technologies (IWPT '97). Boston, USA. Helmut Schmid (1995): Improvements in Part-of-Speech Tagging with an Application to German. Proceedings of the ACL SIGDAT-Workshop. Dublin, Ireland. Helmut Schmid (1994): Probabilistic Part-of-Speech Tagging Using Decision Trees. Proceedings of International Conference on New Methods in Language Processing, Manchester, UK. Helmut Schmid (1994): Part-of-Speech Tagging with Neural Networks. Proceedings of the 15th International Conference on Computational Linguistics (COLING-94).
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| TreeTagger The TreeTagger is a tool for automatic annotation of text corpora with part-of-speech and lemma information. |
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| RFTagger The RFTagger is a POS tagger for fine-grained POS tagsets. |
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| SFST SFST is a toolbox for the implementation of morphological analysers and other programs which are based on finite state transducers. |
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| BitPar BitPar is an efficient parser for Treebank grammars. |
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| Trace Parser Get the trace parser described in my ACL 2006 paper. |
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| LoPar LoPar is a parser for head-lexicalized probabilistic context-free grammars. |
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| YAP YAP is a fast parser for feature-based grammars. |
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| VPF VPF is a graphical viewer for parse trees and parse forests including parses with feature structures. |
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| SMOR is a German finite-state morphology implemented in the SFST programming language. An older version of SMOR with a few sample lexicon entries comes with the SFST tools (see above). |
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| LSC LSC is a statistical clustering software for predicate-argument tuples with a fixed number of arguments. |
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| PAC PAC is a statistical clustering software for predicate-argument tuples with a variable number of arguments. The selectional preferences are generalized by means of a WordNet hierarchy. |
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| The IMS Corpus Workbench is a tool for full-text retrieval on large textual resources.
Other linguistic resources and tools available at IMS. Chris Manning's list of linguistic resources and tools
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| Parsing I
Parsing II: Statistische Methoden in der maschinellen Sprachverarbeitung
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