Báo cáo khoa học: " New Models for Improving Supertag Disambiguation" pdf

... Proceedings of EACL '99 New Models for Improving Supertag Disambiguation John Chen* Department of Computer and Information Sciences University of Delaware Newark, DE 19716 jchen@cis.udel.edu ... trigram models for part-of-speech tagging and supertag- ging, in this paper our goal is to improve the per- formance of supertagging using local techniques which avoid ful...

Ngày tải lên: 08/03/2014, 21:20

... topic-document vectors (one for the sense and one for the context). We apply these models to coarse- and fine-grained WSD and find that they outperform comparable systems for both tasks. We also test ... Meeting of the Association for Computational Linguistics, pages 1138–1147, Uppsala, Sweden, 11-16 July 2010. c 2010 Association for Computational Linguistics Topic Models for W...

Ngày tải lên: 23/03/2014, 16:20

... Meeting of the Association for Computational Linguistics, pages 115–119, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics Topic Models for Dynamic Translation ... unseen for a given domain s, we are already performing an implicit form of smoothing (when computing the expected counts), since each docu- ment has a distribution over all topics,...

Ngày tải lên: 19/02/2014, 19:20

... for the experiments reported here is the same as the one used for other experiments reported in this paper. The results in Table 3 illustrate how the language model performs reasonably well for ... New Bin Laden Orig. Eng. White House Confirms Presence of New Bin Laden Tape Output1 White House Confirms Presence of Bin Laden Tape New Output2 White House of Bin Laden Tape Confirms Pres...

Ngày tải lên: 08/03/2014, 02:21

... Association for Computational Linguistics Structured Models for Fine-to-Coarse Sentiment Analysis Ryan McDonald ∗ Kerry Hannan Tyler Neylon Mike Wells Jeff Reynar Google, Inc. 76 Ninth Avenue New York, ... which helped improve performance. 2.2 Beyond Two-Level Models To this point, we have focused solely on a model for two-level fine-to-coarse sentiment analysis not only for simp...

Ngày tải lên: 08/03/2014, 02:21

... in- crease in performance of about 2-3% for most mod- els. For General-LM, results increased by 8-10%. The Poisson and general fertility models show a 2- 5% gain in performance over the basic ... translation probabilities are shown for the unigram and headword models in table 2. The formal language words have captured reason- able English words for their most likely transla-...

Ngày tải lên: 08/03/2014, 21:20

... exo-arabinanases highlighted in different colours: blue for BsArb43B, magenta for BsArb43A, green for ABN- TS, dark grey for AbnB, red for exo-Abn. Role of calcium in the glycosidase reaction ... D (2006) Using Dali for structural comparison of proteins. Curr Protoc Bioinformatics 14, 5.1–5.5.24. 31 Krissinel E & Henrick K (2004) Secondary-structure matching (SSM), a new too...

Ngày tải lên: 15/03/2014, 23:20

... AFNLP Minimized Models for Unsupervised Part-of-Speech Tagging Sujith Ravi and Kevin Knight University of Southern California Information Sciences Institute Marina del Rey, California 90292 {sravi,knight}@isi.edu Abstract We ... and lead to new possibilities for future research. For direct comparison to previous works, we also pre- sented results for the case when the dictionaries...

Ngày tải lên: 17/03/2014, 01:20

... base forms, as opposed to attachment information. It is therefore less resource-intensive and more portable than pre- vious corpus-based algorithm proposed for this task. We present results for ... heuristic to account for the new tagset, and to account for the Spanish equivalents of the words of (i.e., de or del) and to be (i.e., set). Chunking was not performed on...

Ngày tải lên: 17/03/2014, 07:20

... ap- propriate for a formalism like CCG with a large set of lexical categories than one generic token for all unknown words. The performance of the baseline model is shown in the top row of table 3. For ... probability models for a wide- coverage Combinatory Categorial Gram- mar (CCG) parser. These models are trained and tested on a corpus obtained by translating the Penn Treebank...

Ngày tải lên: 31/03/2014, 06:20