... for the initial decrease of the oxalo- acetate concentration in t he equilibrium due to the accumulation of NADH [25]. Lineweaver–Burk diagrams were obtained b y use of the worksheet of the program EXEL 98 ... propionyl-CoA in the DmcsA-strain, the activity of methylisocitrate lyase is twice as high than that of the wild-type. The addition of acetate to these m...
Ngày tải lên: 19/02/2014, 16:20
... higher the p-value attached to an operator, the closer is the interpretation of that operator in accordance with the rules of ordinary Boolean logic. On the other hand, the smaller the p-value, ... must be used. The results of Table I show that for the CACM queries the best overall policy is a complete softening of the Boolean operators down to p = 1. Evide...
Ngày tải lên: 22/02/2014, 09:20
Tài liệu Báo cáo khoa học: "On Learning Subtypes of the Part-Whole Relation: Do Not Mix your Seeds" pdf
... were discarded. The precision of the tuples discovered by the different seed-sets in the last iteration of our algorithm are in Table 3. These results reveal that the precision of har- vested ... similarity. In Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Confe rence on Natural Language Processing of...
Ngày tải lên: 20/02/2014, 04:20
Tài liệu Báo cáo khoa học: "Evaluating the Accuracy of an Unlexicalized Statistical Parser on the PARC DepBank" docx
... by the need to balance depth of analysis against the size of the deriva- tion space. On the Susanne corpus, the geometric mean of the number of analyses for a sentence of length n is 1.31 n . The ... fifth of DepBank is held out to optimize the speed and accuracy of the three systems. They conclude from the results of these experiments that the cut-down XL...
Ngày tải lên: 20/02/2014, 12:20
Tài liệu Báo cáo khoa học: "ON THE AUTOMATIC TRANSFORMATION OF CLASS MEMBERSHIP CRITERIA" docx
... checks whether required components of the definition of the class are also present in the description of the instance. This also permits easy representation of modifications to the definition, ... irrelevant to the matching process. The transformation is performed by means of a process of ~ inmtRntlat~nn OF the deflnition the translation of the de/ini...
Ngày tải lên: 21/02/2014, 20:20
Tài liệu Báo cáo khoa học: "ON THE SYNTACTIC-SEMANTIC OF BOUND ANAPHORA ANALYSIS" potx
... slightly different way. The two readings of (7) do not differ in the relative scope order of two quantifiers. Rather, the difference is that on the narrow scope reading, the discourse referent ... PROCESSING The results of the last section have consequences for the over-all view of syntactic-semantic processing of natural- language sentences containing anapho...
Ngày tải lên: 22/02/2014, 10:20
Tài liệu Báo cáo khoa học: Seeking the determinants of the elusive functions of Sco proteins pptx
... by the loss of the histidine ligand, it was argued that the Cu(II) -bound state has a major role in the mechanism of action of BsSco, ruling out the simple model of direct Cu(I) insertion into the ... function of the CXXXC motif of human Sco proteins could therefore be impli- cated not only in the maturation of the Cu A site of Cox2 but also in the mainten...
Ngày tải lên: 14/02/2014, 18:20
Tài liệu Báo cáo khoa học: Glucuronate, the precursor of vitamin C, is directly formed from UDP-glucuronate in liver pptx
... concentrations of CoASH. Both the heated liver extract and CoASH also restored (in the presence of ATP-Mg) the sensitivity to metyrapone and other xenobiotics and it is likely that the effect of the heated ... oriented towards the lumen of the vesicles and that disruption of the vesicular membrane increases accessibility to UDP-glucuronate. Some of the detergents...
Ngày tải lên: 19/02/2014, 07:20
Tài liệu Báo cáo khoa học: "Modeling the Translation of Predicate-Argument Structure for SMT" ppt
... translation of A p the translation of A h the leftmost word of the translation of A the rightmost word of the translation of A Table 2: Features adopted in the argument reordering model. Reordering ... on the target side; 2) the predicate is not translated at all; and 3) the ARG1 argument is not moved to the left side of the predicate after translation. All...
Ngày tải lên: 19/02/2014, 19:20
Tài liệu Báo cáo khoa học: "Analyzing the Errors of Unsupervised Learning" docx
... that the first iteration of EM reinforces the systematic mis- takes of the supervised initializer. In the first E-step, the posterior counts that are computed summarize the predictions of the supervised ... system. If these match the empirical counts, then the M-step does not change the parameters. But if the supervised system predicts too many JJs, for example, then...
Ngày tải lên: 20/02/2014, 09:20