Tài liệu Báo cáo khoa học: "Rethinking Chinese Word Segmentation: Tokenization, Character Classification, or Wordbreak Identification" pdf

... co-occurrence. Word based model. In this model, statistical data about word boundary frequencies for each character is retrieved word- wise. For example, in the case of a monosyllabic word only two word ... 69–72, Prague, June 2007. c 2007 Association for Computational Linguistics Rethinking Chinese Word Segmentation: Tokenization, Character Classification, or Wordbr...

Ngày tải lên: 20/02/2014, 12:20

... do this first for subnetworks that consist of a single reaction, then for subnetworks of two reactions, then f or subnetworks of three reactions. F inally we shall consider subnetworks of arbi- trary ... classes of oscillophore topologies. Keywords: graph-theoretic approach; kinetic mode lling; oscillations; s ystem identification; systems biology. Oscillatory biochemical networks have regain...

Ngày tải lên: 19/02/2014, 16:20

... pho- netic system used in Taiwan, for 200 Chinese characters. The number of correctly written Jhuyins for the characters was recorded. In RAN, participants read 20 Chinese characters as fast as they ... recommend characters that look like the correct characters, e.g., “鈿鉀鍾” for “鋰”, “裸袖嘿” for “裡”, “湮湩渭＂ for “浬”, “狎猥狠狙” for “狸” , and “黑墨＂ for “里”. We employed...

Ngày tải lên: 19/02/2014, 19:20

... heads as either their first or last word. Head position sug- gests that boundary words are good approximation of head word features. If head words have good approximation word features, then it is ... of traces (htr-p, htr- w): one uses POS of the head word; the other uses the head word word itself. E.g., the head word of 事故原因 is “原因” therefore these feature of this NP are NP...

Ngày tải lên: 20/02/2014, 04:20

... new corpus and new derived words. For Chinese, it is more difficult to follow the same approach since OOV words are not readily identifiable. Several methods have been proposed to extract OOV words ... fewer words as pos- sible, which is just a simple heuristic. On the other hand, adding fewer words means that longer words are added. It has been shown that longer words are more helpful f or...

Ngày tải lên: 20/02/2014, 07:20

... stretching was performed in 100 mm NaCl, 1.5 mm MgCl 2 . The stretching profiles were recorded with either constant stretching speeds or at constant force. The force–extension curves showed characteristic sawtooth ... the chromatin fiber [9–11] as well as for the maintenance Keywords chromatin, micro-manipulation, nucleosome, optical tweezers Correspondence J. Bednar, CNRS, Laboratoire de Spe...

Ngày tải lên: 14/02/2014, 18:20

... translocator part- ners are present [50]. As is the case for the major translocator, minor translocators have also been shown to oligomerize, and this event is essential not only for pore formation, ... toxins [19], suggesting that the major hydrophobic translocator requires a minor translocator for functional translocon formation. In some cases, major translocator proteins can show functiona...

Ngày tải lên: 14/02/2014, 22:20

... hoan thien ve the chat va tam hdn. Hdi nghi 'Nghien danh gia ket qua bi/oc 1 de tai khoa hoc cap tinh cuu tieng dia phuong Thanh Hoa" (thang 5/2010)

Ngày tải lên: 18/02/2014, 05:20

... The amounts of protein used for SDS ⁄ PAGE were 20 lg for lanes 1, 2, 3, and 5, and 5 lg for lane 4. For western blot analysis, the amount of protein was 500 ng for each lane. O. Nikolaeva et ... 3020–3030 ª 2009 The Authors Journal compilation ª 2009 FEBS in its membrane-bound, active conformation, but could also allow a small proportion of retinyl ester to be incorporated into the lipids .....

Ngày tải lên: 18/02/2014, 08:20

... error-prone PCR was performed [(using the oligonucleotides ribA3S and ribA4AS (Table 4) as primers] only on the DNA fragment coding for the cyclo- hydrolase II domain. Reaction mixtures for error-prone PCR ... generally characterized by low catalytic rates. This is not surprising Keywords biotechnology; directed evolution; GTP cyclohydrolase; riboflavin biosynthesis; vitamin B 2 production Cor...

Ngày tải lên: 18/02/2014, 11:20