Báo cáo khoa học: PSI1 is responsible for the stearic acid enrichment that is characteristic of phosphatidylinositol in yeast pdf

... encoded by the PSI1 gene,alias YBR042C) is the yeast protein responsible for the stearic acid enrichment characteristic of phosphatidyl-inositol. The functional characterization of the otherglycerolipid ... resultsobtained in the present study demonstrate that the existence of phosphati-dylinositol species containing stearic acid in yeast results from a remodeling of neo-synthesized molecules of phosphatidylinositol. AbbreviationsCDP-DAG, ... unsaturatedfatty acids are predominantly found at the sn-2 posi-tion [11]. We further determined whether Psi1p is responsible for the incorporation of stearic acid into the sn-1 position of PI. To determine...

Tài liệu Báo cáo khoa học: Pathways and products for the metabolism of vitamin D3 by cytochrome P450scc docx

... determining the substrates from which they arose by the action of P450scc, as well as the products that they gave rise to.This revealed both the major and minor pathways for the metabolism of vitamin ... being17a,20-dihydroxyvitamin D3. We have therefore iden-tiﬁed this monohydroxyvitamin D3 as 17a-hydroxyvi-tamin D3. This product is only seen for the metabolism of D3, and not for the metabolism of 20-hydroxyvitamin ... with their proton ⁄ carbon chemical shifts for the dihydroxy precursor indicated in parenthesis. Anal-ysis of the 2D HSQC NMR clearly indicates that 25-CH is intact. As additional evidence, there...

Tài liệu Báo cáo khoa học: "Incorporating Context Information for the Extraction of Terms" pdf

... otherwise (2) a is the examined string, lal the length of a in terms of number of words, f(a) the frequency of a in the corpus, Ta the set of candidate terms that contain a, P(T~) the ... be involved in the procedure for their ex- traction. We incorporate context information in the form of weights constructed in a fully automatic way. 2.1 The Linguistic Part The corpus is ... number of these candidate terms. At this point the incorporation of the context in- formation will take place. Step 3: Since C-value is a measure for extract- ing terms, the top of the previously...

Báo cáo khoa học: " An Input Device for the Harvard Automatic Dictionary" pot

... eliminated, and proofreading is made relatively easy. The layout of the keyboard of the modified typewriter is shown in Figure 1. Figure 3 is a photograph of the actual machine. A sample of the ... letter in the ranked code is named in the "Binary Coding" column, in the same row as the letter. The choice of this par- ticular mapping was made for technical reasons An Input ... operation of the Harvard Automatic Dictionary. THE PROPERTIES of a given automatic information-processing machine depend prima- rily on the algorithms the machine is capable of applying to the...

Báo cáo khoa học: "A Formula Finder for the Automatic Synthesis of Translation Algorithms" docx

... examined in the experi- mental corpus. Nevertheless, the effect of a 0 assigned to an undefined Zk is the same as that of a 0 computed from a nonvanishing Xk. Certain information is there- ... required for the operation of the formula finder. 17 That is, the machine must be able unambiguously to identify the individual English words in the post- edited text with the Wij entries in the ... N(i+2) is N; the major coordinate is +2, the minor coordinate is 313. When a monadic string variable is being specified, the program searches the data positions in the Wij entries defined by the...

Báo cáo khoa học: "QARLA:A Framework for the Evaluation of Text Summarization Systems" pdf

... QUEEN(a))According to this formula, the quality of a met-ric set X is the probability that the quality of a283model is higher than the quality of a peer ac-cording to this metric set. This formula satisﬁesall ... In Proceedings of the 40th Annual Meet-ing of the Association for Computational Linguistics(ACL), pages 311–318, Philadelphia, jul.289Proceedings of the 43rd Annual Meeting of the ACL, pages ... is, therefore, how to ﬁnd informativemetrics, and then how to combine them into an op-timal single quality estimation for automatic sum-maries. The most immediate way of combiningmetrics is...

Báo cáo khoa học: "Semi-supervised Training for the Averaged Perceptron POS Tagger" potx

... iterationOnce at the beginning No supervised dataFigure 3: Dependence on the inclusion of the su-pervised training data (Czech)only) on the supervised training results, where the performance of the taggers ... is the data and their selection(including the selection of the way they are auto-matically tagged) that makes all the difference. The following “parameters” of the (unsuper-vised part of the) ... iterationOnce at the beginning No supervised dataFigure 2: Dependence on the inclusion of the su-pervised training data (English)English CzechNo supervised data 97.37 95.88Once at the beginning 97.40...

Báo cáo khoa học: "Multilingual Multiplatform Architecture for the development of Natural Language Voice Services" ppt

... the Interpreters of the Kernel. The Linguistic Kernel contains the independent knowledge of the system, related to the dialogue management. The rest of the configurable modules are adjusted to the ... versa. The multiplatform is based upon a module (WatcherAgent) that keeps the surveillance of the systemand controls in every moment the interrelationand the dispatching of tasks among all the ... applicationcharacteristics, the Describer Module is converted to an exceptional collector of the information given by the user. This information is collected according to a group of attributespreviously...

Báo cáo khoa học: "A Clustering Approach for the Nearly Unsupervised Recognition of Nonliteral Language" pdf

... they can be used for scrubbing. The third is that content words ap-pearing in both feedback sets – for example the wind is blowing” vs. the winds of war are blow-ing” for the target word “blow” ... legalstraits of the institute.N4 She had a hand in his fully comprehending the quandary. The target set consists of sentences from the corpus containing the target word. The feedbacksets contain sentences ... grasped the idea.N2 This idea is risky, but it looks like the director of the institute has comprehended the basic principles behind it.N3 Mrs. Fipps is having trouble comprehending the legalstraits...

Báo cáo khoa học: "AN EXPERT SYSTEM FOR THE PRODUCTION OF PHONEME STRINGS FROM UNMARKED ENGLISH TEXT USING MACHINE-INDUCED RULES" pdf

... wise to begin the inference procedure with a subset of the training set. This is acceptable since there is often a relatively high rate of redundancy in the training set. The selection of ... combinations of feature values should reduce the number of iterations required in the inference routine by eliminating redundant entries in the training set. This type of training set pruning ... selected on the basis of values of the word features. The process is repeated until a leaf node of the tree is reached. The leaf node contains the value returned for that invocation of this transcription...

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