Tài liệu Báo cáo khoa học: "Source-Language Entailment Modeling for Translating Unknown Terms" ppt

... corpus. Both language models are used for both tasks. We carried out experiments for translating Chinese to English. We use the same develop- ment and test sets for the two data conditions. We ... of the Association for Computational Linguistics, pages 834–843, Uppsala, Sweden, 11-16 July 2010. c 2010 Association for Computational Linguistics Bilingual Sense Similarity for...

Ngày tải lên: 20/02/2014, 04:20

... three lectures is- used for estimating the optimal word block length for representing nodes, the threshold distances for discarding node edges, the number of uniform chunks for estimating tf-idf ... Masao Utiyama for providing us with an implementation of his segmentation system and Alex Gru- enstein for assisting us with the NOMOS toolkit. We are grateful to David Karger for an...

Ngày tải lên: 20/02/2014, 11:21

... probabilities, which permits heuristic early stopping before the agenda is empty. With viterbi values, it amounts to uniform-cost search for the best parse, and an item’s value is guaran- teed ... Parameter Training Dyna provides facilities for training parameters. For ex- ample, from Fig. 1, it automatically derives the inside- outside (EM) algorithm for training PCFGs. How is this p...

Ngày tải lên: 20/02/2014, 16:20

... longer afford to waste human time and effort building manually these ever changing and in- complete databases or design language specific applications to solve this problem. The need for an automatic ... Y-axis intercept (the value of y when x is 0), substituting x for the Portuguese word position. For Table 3, the ex- pected word position for the word I at pt word position 3877 is 0....

Ngày tải lên: 20/02/2014, 18:20

... requierments for the formalism used. Hence, the indexing technique has a wide spectrum of applications for testing command relations in syntactic analysis. Futhermore, this method can also be used for ... special cases of definitions 1.1 and 1.2 for the property of being a set of maximal projections. Before I formulate the general command definition in a formal way, I will now...

Ngày tải lên: 22/02/2014, 10:20

... is observed (see Section 5.3 for some error analysis). This confirms our hypothesis that directional entailment rules can be very useful for replacing unknown terms. For the combination of source-target ... like BLEU (Papineni et al., 2002). 2.3 Textual Entailment and Entailment Rules Textual Entailment (TE) has recently become a prominent paradigm for modeling semantic inf...

Ngày tải lên: 20/02/2014, 07:20

... be homologs of genes for M. tuberculosis PE ⁄ PE-PGRS, a family encoding numerous repetitive glycine-rich proteins of unknown function(s). The mutation of these two genes for PE-PGRS produced ... host. Acknowledgements We thank Rajesh S. Gokhale for making this work possible. We also thank Hemant Khanna (University of Michigan, Flint, MI, USA) for providing valuable suggestions. The...

Ngày tải lên: 16/02/2014, 15:20

... performed in positive reflector mode, collecting data from approximately 3000 and 5000 single laser shots for MS and MS ⁄ MS anal- yses, respectively. Preparation of aggregate-free monomer for fibrillation ... applied to a carbon-coated formvar grid, left for 1 min, fixed with glu- taraldehye, wicked dry with filter paper, and 2% uranyl acetate was added and the mixture was incubated for...

Ngày tải lên: 18/02/2014, 13:20

... 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

... Percentage of TTR fibril formation over time for V30M TTR and its oxidized forms from reaction with hydrogen peroxide for 10 min and 1 h. Absorbance measurements (A 330 ) for each dataset normalized ... inhibition of fibril formation. A similar effect was observed for both the WT and V30M TTR when they were reacted with ROS on shorter timescales. The percentages of fibril formation over...

Ngày tải lên: 19/02/2014, 05:20