... Association for Computational Linguistics, pages 1006–1014, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics Combining Coherence Models and Machine Translation ... model summary for a collec- tion of documents. Human annotators construct a pyramid to capture important Summarization Con- tent Units (SCUs) and their weights, which is used to e...
Ngày tải lên: 07/03/2014, 18:20
... error reduction. Results are for dependency parsing on the dev set for iters:5,training-k:1. tal errors break down by gold head. For example, the 12.1% total error reduction for attachments of an IN ... leave, in have NN IN time, for some NN IN money, for annual NNS IN reports, on Table 8: The highest-weight features (thresholded at a count of 400) of the before-word schema for...
Ngày tải lên: 20/02/2014, 04:20
Tài liệu Báo cáo khoa học: "A CONNECTIONIST PARSER FOR STRUCTURE UNIFICATION GRAMMAR" docx
... grouping of information, thus expressing the information in- terdependencies. The language which SUG pro- vides for specifying these descriptions allows par- tiality both in the information about ... thereby also forgetting the predications over the nodes. This forgetting operation abstracts away from the existence of the forgotten node in the phrase structure. Once a node is forgot...
Ngày tải lên: 20/02/2014, 21:20
Tài liệu Báo cáo khoa học: "Incremental Parsing Models for Dialog Task Structure" doc
... to improved performance for any method. One utterance of context is best for shift-reduce and start-join; three is best for the connection path method. The shift- reduce method performs the best. ... catalog ordering domain that has been annotated for dialog acts and task/subtask information. We show that all these methods outperform a baseline method for recovering the dialog struc...
Ngày tải lên: 22/02/2014, 02:20
Báo cáo khoa học: "SVD and Clustering for Unsupervised POS Tagging" docx
... map-free information- theoretic criterion—see Gao and Johnson (2008) for details. Although we find M-to-1 to be the most reliable criterion of the three, we include the other two criteria for completeness. ... Table 1 compares the per- formance of SVD2 to other leading models. Fol- lowing Gao and Johnson (2008), the number of induced tags is 17 for PTB17 evaluation and 50 for PTB45...
Ngày tải lên: 07/03/2014, 22:20
Tài liệu Báo cáo khoa học: "An Unsupervised Model for Joint Phrase Alignment and Extraction" ppt
... Quirk. 2007. An iteratively- trained segmentation-free phrase translation model for statistical machine translation. In Proceedings of the 2nd Workshop on Statistical Machine Translation, pages ... algorithms for topic models. Journal of Machine Learning Research, 10:1801–1828. Franz Josef Och, Christoph Tillmann, and Hermann Ney. 1999. Improved alignment models for statist...
Ngày tải lên: 20/02/2014, 04:20
Tài liệu Báo cáo khoa học: "Using Confidence Bands for Parallel Texts Alignment" pptx
... of the Association for Computational Linguistics”, Columbus, Ohio, U.S.A., pp. 1–8. Ido Dagan, Kenneth Church and William Gale (1993) Robust Word Alignment for Machine Aided Translation. In “Proceedings ... are credited as too unreliable for alignment (e.g. Point A in Figure 3). We repeat this step until no pieces of text belong to different translations, i.e. until there is no...
Ngày tải lên: 20/02/2014, 18:20
Tài liệu Báo cáo khoa học: A facile method for expression and purification of the Alzheimer’s disease-associated amyloid b-peptide pdf
... incu- bated for 4 days with each of the peptides (10 lm), and cells were fixed and used for immunocytochemical analyses. Immunocytochemistry Neurons were fixed in 4% paraformaldehyde for 20 min at ... to transformed Ca 2+ -competent E. coli cells (ER2566) by heat shock. The transformed cells were spread on LB agar plates containing ampicillin (50 mgÆL )1 ), single colonies were picked fo...
Ngày tải lên: 18/02/2014, 13:20
Tài liệu Báo cáo khoa học: Pathways and products for the metabolism of vitamin D3 by cytochrome P450scc docx
... resulted in the formation of 20,23-di- hydroxyvitamin D3 (RT = 30 min) and trihydroxyvi- tamin D3 (RT = 22 min) (Fig. 4A). A small lag (0– 3 min) was seen in the time course for formation of trihydroxyvitamin ... correlations for 3-CH and 23-CH; (B) expan- sion of proton–proton TOCSY correlations for 3-CH and 23-CH; (C) expansion of proton–carbon HSQC showing groups having correla- tion...
Ngày tải lên: 18/02/2014, 17:20
Tài liệu Báo cáo khoa học: "A Statistical Model for Unsupervised and Semi-supervised Transliteration Mining" pptx
... labelled information for training. Our sys- tem extracts transliteration pairs in an unsupervised fashion. It is also able to utilize labelled information if available, obtaining improved performance. We ... classifier and alignment- based string similarity for transliteration mining. These methods model the conditional probability distribu- tion and require supervised/semi-supervised inf...
Ngày tải lên: 19/02/2014, 19:20