Tài liệu Báo cáo khoa học: "ENGLISH WORDS AND DATA BASES: HOW TO BRIDGE THE GAP" pdf

... ENGLISH WORDS AND DATA BASES: HOW TO BRIDGE THE GAP Remko J.H. Scha Philips Research Laboratories Eindhoven The Netherlands ABSTRACT If a q.a. system tries to transform an Eng- ... other (one on the basis of the possible Eng- lish questions about the subject-domain, the other on the basis of the structure of the data base about it) there must be a r...

Ngày tải lên: 21/02/2014, 20:20

... 2003) introduced the concept of lexical weighting to check how well words of the phrase translate to each other. Source word f aligns with target word e, according to the IBM model 1, the lexical ... sets. The gain is +2.21% BLEU on Test04, and +1.33% on Test05. Compared to the result of the baseline, only using the RWF structure to filter performs the same as...

Ngày tải lên: 20/02/2014, 04:20

... necessarily, next to each other at the top of the stack. As shown in figure 1, the action (R 2 TO VP AS PRED (0BJ PAT)) for example reduces the two top frames of the stack into a new frame ... a verb phrase and contains the next -to- the- top frame as its pred- icate (or head) and the top frame of the stack as its object and patient. Other parse actions includ...

Ngày tải lên: 22/02/2014, 03:20

... follows, thereby particularizing it and imposing the requirement of the, ” as in the phrases the fidelity of the translation,” the grief of the mourner,” the ac- curacy of the calculation,” the ... in the above idiom, “hand in hand,” use of the “0” article is due to the idiom and should not be taken to represent normal article usage with “hand.” The second ki...

Ngày tải lên: 19/02/2014, 19:20

... distributed random vari- able, with mean equal to the population mean, and variance to be estimated by the model. Stated dif- ferently, a random effect allows us to add a factor to the model for ... treated as single words. Thus, the start and end times for a contraction in the forced alignment correspond to two words in the alignments used for scoring, and it i...

Ngày tải lên: 20/02/2014, 09:20

... higher-affinity and lower-affinity binding sites are listed in Table 1. The high-affinity and the low-affinity sites accounted for 25% and 75% of the total binding, respectively. These estimates of the relative ... k obs for the rapid phase [k obs(rapid) ] and for the slow phase [k obs(slow) ] are shown in Table 2. Kinetic dissociation The data in Fig. 4 show the time co...

Ngày tải lên: 14/02/2014, 14:20

... according to the following equation: B z ¼ B i À l j r j where B z is the normalized B factor, B i is the B factor of atom i, l j is the mean B factor (excluding water molecules and peptide atoms) and ... A ˚ 2 for side-chain atoms and 38.7 A ˚ 2 overall (62 total atoms). Electron density analysis Both the main-chain and side-chain atoms of the mod- elled CLIC4 peptide s...

Ngày tải lên: 14/02/2014, 19:20

... (because of auto-oxidation of the neurotrans- mitter), especially dopaminochrome, with a-synuclein, inhibited the conversion of the more-toxic a-synuclein protofibrils to the less-toxic mature ... shown to promote the initial aggregation of a-synuclein into off-pathway, sol- uble, SDS-resistant oligomers [18]. These nonamyloid- ogenic oligomers are sequestered together and do n...

Ngày tải lên: 14/02/2014, 19:20

... shows the total concentration of DA and the y axis shows the DA uptake after 10 min. The y axis demonstrates specific uptake, defined as total uptake subtracted the uptake in the pres- ence of the ... [28]. The instability of DA at the neutral pH of the cytosol causes the forma- tion of toxic aminochromes, and these species are not formed when DA is protonated at the...

Ngày tải lên: 14/02/2014, 21:20

... Gram-negative species to initiate infection. Toxins secreted through the system are synthesized in the bacterial cyto- plasm and utilize the T3SS to pass through both bacterial membranes and the periplasm, ... essential for the injection of type III effectors into the target cytoplasm and therefore are considered to be the first substrates secreted by the T3SS needl...

Ngày tải lên: 14/02/2014, 22:20