Tài liệu Báo cáo khoa học: "Extending the BLEU MT Evaluation Method with Frequency Weightings" pdf

... corpus, and is compared with the results of the baseline BLEU method with respect to their correlation with human evaluation scores. The scores produced by the N-gram model with tf.idf and S-Score ... used). The scores for both runs were compared using a standard deviation measure. 3. The results of the MT evaluation with frequency weights With respec...

Ngày tải lên: 20/02/2014, 16:20

... experiment with the stratified option, in which C ranks are assigned to the permutations generated from the same source document. The permutation with the smallest dis- similarity score is assigned the ... score is assigned the same (zero, the highest) rank as the source document, and the one with the largest score is assigned the lowest (C−1) rank; then ranks of...

Ngày tải lên: 22/02/2014, 02:20

... mitochondrial matrix, the transmembrane helix and the following  20 residues) is crucial to determin- ing the aggregation state of these proteins. The data therefore support the hypothesis that this ... close to the N-terminal trans- membrane helix anchoring the protein to the inner membrane of mitochondria [27]. Therefore, the N-ter- minal segment (containing the residue...

Ngày tải lên: 14/02/2014, 18:20

... (VP16- MT1 Y, VP16 -MT1 LL, VP16 -MT1 FRR, VP16 -MT1 HGT, VP16 -MT1 PRR, VP16 -MT1 LLY, VP16 -MT1 CQR, VP16 -MT1 SLL, VP16 -MT1 DKV), MT2 -MMP (VP16 -MT2 LLY), MT3 -MMP (VP16 -MT3 ILY) and MT5 -MMP (VP16 -MT5 ... GRASP55 MT5 VP16 + GAL4 GRASP55 MT5 VTY VP16 7 8 9 MT2 MT3 MT2 MT2 LLY Fig. 6. The MT2 -MMP LLY motif is involved in the interaction with GRASP55. (A) Schematic re...

Ngày tải lên: 18/02/2014, 04:20

... Centricon filters. Buffer substitution was then performed five times with 20 mm C 8 E 4 in 20 mm KHepes (pH 7.4), with the same filters. The concentrate was then diluted with the C 8 E 4 solution to 0.1 mgÆmL )1 . ... cOHB-modification of the C-terminal domain in the periplasm would increase the hydropho- bicity of hydrophilic segments in this domain, and thereby enable them to...

Ngày tải lên: 18/02/2014, 04:20

... resonances without the concomitant appearance of other signals in other parts of the spectrum. This result could be a consequence of the paramagnetic properties of Fe(II), or it might arise from the ... between the free and the bound forms. In the latter case, the line broadening caused by the dynamic process could be extremely large and unspecific, preventing the detection...

Ngày tải lên: 18/02/2014, 16:20

Ngày tải lên: 18/02/2014, 16:20

... con- structed with insight ii. All the models were checked with the Prostat and Profiles-3D functions in insight ii. The model with the highest overall score was chosen. The substrates were docked in the ... reported which of the five genes control the substrate specificity of the AtdA enzyme. The objective of this study was to identify and probe the residues determin...

Ngày tải lên: 19/02/2014, 02:20

... indicated, the assay was initiated by the addition of the enzyme preparation to an otherwise complete assay mixture. The reaction was stopped after 0–30 min by mix- ing a portion of the incubation ... of the presence of saccharo- 1,4-lactone, an inhibitor of b-glucuronidase, in the samples where b-glucuronides had to be determined, the amount of b-glucuronidase and the incub...

Ngày tải lên: 19/02/2014, 07:20

... dehydrogenase, which weremeasuredtogetherinthesameassay.Thedataindicate that the p resence of propionate in the medium reduces the activity by % 50% in the w ild-type as well a s in the DmcsA strain. T herefore ... ifference b etween the wild-type and the DmcsA strain. In the presence of only acetate there was no difference between the strains; the approximate growth rate...

Ngày tải lên: 19/02/2014, 16:20