Tài liệu Báo cáo khoa học: "Conditional Random Fields for Word Hyphenation" docx

... overall word- level errors #words with at least one FP or FN swe serious word- level errors #words with at least one FP ower overall word- level error rate owe / (total #words) swer serious word- level ... the Association for Computational Linguistics, pages 366–374, Uppsala, Sweden, 11-16 July 2010. c 2010 Association for Computational Linguistics Conditional Random Fields for...

Ngày tải lên: 20/02/2014, 04:20

... because independent training of the modality-specific classi- fiers forces them to account for data that they can- not possibly explain. For example, if the speaker is not gesturing meaningfully, it ... different set of feature weights for each case: w v,1 when the non-verbal features are included, and w v,2 otherwise. The formal definition of the potential function for conditional modal...

Ngày tải lên: 20/02/2014, 12:20

... distance, headword). One notable difference between the word lattice parser and the original implementation of Collins (1999) is the handling of part-of-speech (POS) tag- ging of unknown words (words ... and direct way to mea- sure language model quality for ASR. WER is the count of incorrect words in hypothesis ˆ W per word in the true string W. For measurement, we must as- sume prio...

Ngày tải lên: 20/02/2014, 15:21

... method, they collect contexts around all words in the corpus, then perform a SVD decomposition. They take the first 50 singular values for all words, and then if a word is within a thresholded distance to ... quite sensitive to the selection of auxiliary information, and making good selections requires significant in- sight. 2 3 Conditional Random Fields Linear-chain conditional random...

Ngày tải lên: 20/02/2014, 09:20

... Metropolis-coupled Markov chain Monte Carlo sampling was performed with one cold and three heated chains that were run for 1 000 000 generations. Starting trees were random, trees were sampled every 100th generation ... a grant of the Deutsche Forschungsgemeinschaft (Bu956 ⁄ 9). We thank J. Korb, K. Meusemann, M. Marx, B. Misof and B. Walz for providing hexapod species and M. Machola fo...

Ngày tải lên: 18/02/2014, 08:20

... 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

... 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

... fruttiferi. which had been translated, by a word -for- word trans- lation procedure, 'forest and fruit-bearing es- sences,' could be retranslated 'forest and fruit- bearing examples [or ... and the synonym lists under each compared for com- mon words, a single common word will be dis- covered, namely 'bitch.' These common words are then ordered, in des...

Ngày tải lên: 19/02/2014, 19:20

... context in- formation at the sentence level, we adopt the topical context information in our method for the following reasons: (1) the topic informa- tion captures the context information beyond the ... incorporates the local dependency between words by Hidden Markov Model for better topic estima- tion. HTMM can also be viewed as a soft clustering tool for words in training corpus. That...

Ngày tải lên: 19/02/2014, 19:20

... non-transliteration word pair, the characters of the source and target words are unrelated. We model them as randomly seeing a source word and a target word together. The non-transliteration model uses random ... that the word- aligned list is missing some transliteration pairs because of word- alignment errors. We built an- other list by adding a word pair for every source wor...

Ngày tải lên: 19/02/2014, 19:20