Báo cáo sinh học: "Homoclinic solutions of some second-order non-periodic discrete systems" ppt

Báo cáo khoa học: "Semantic Types of Some Generic Relation Arguments: Detection and Evaluation" pptx

... 7 binaryrelations from the training set of the SemEval-2007competition, all definitions of which share the re-quirement of the syntactic closeness of the argu-ments. Further, their definitions ... other relationtypes while using our approach.Table 2 contains some examples of the semantictypes we found for each relation. Some of themare quite specific (e.g., Origin-Entity), while theother ... results of theteams participating in the challenge, the organizersmention Product-Producer as one of the easiest rela-tions, while Origin-Entity and Theme-Tool are con-sidered to be ones of the...

Tài liệu Báo cáo khoa học: "Automatic Collection of Related Terms from the Web" pptx

... collected 610 terms in total;the average number of output terms per input is 12.2terms. We checked whether each of the 610 termsis a correct related term of the original seed term byhand. The result ... (20%) out of 210 terms were col-lected by the system. This low recall primarilycomes from the failure of automatic term recogni-tion (case A in the above classiﬁcation). Improve-ment of this ... term of the seed terms; (2) A type-2 term is a broader term of the seedterm s. We assume that these rules are always true:they are used to determine whether x is a broader ornarrower term of...

Tài liệu Báo cáo Y học: Dynamic mechanism of nick recognition by DNA ligase ppt

... the ﬂexibility of DNA ligase is somewherebetween these two extreme cases, so that the B-to-A helixtransition of dsDNA would cause both the closure of domain2 and the formation of the strained ... [35,37,41]. Nonspeciﬁc interactions lead to adecrease of the degree of hydration of the bound DNA. As aFig. 2. Structures of DNA polymerase domain of HIV-1 reverse transcriptase in complex withdsDNA ... 5¢-phosphate of the nick and backwards inthe 5¢-direction of the nicked strand.Fig. 3. Illustration of the proposed mechanism of dynamic nick recognition by DNA ligase.(Left) binding of the dsDNA....

Báo cáo khoa học: "Discriminative Modeling of Extraction Sets for Machine Translation" pptx

... Examples of two types of possible align-ment links (striped). These types account for 96% of the possible alignment links in our data set.alignment links A = {(i, j)} to an extraction set of bispans ... control the num-ber of null-aligned words and number of rules li-censed. In total, our ﬁnal model includes 4,249individual features, dominated by various instanti-ations of lexical templates.3Limiting ... dynamic program tosearch the space of extraction sets. An ITG deriva-tion for some alignment A decomposes into twosub-derivations for ALand AR.4The model score of A, which scores extraction...

Báo cáo Y học: Solution structure of the HIV gp120 C5 Domain pptx

... presence of cosolvent with anapparent Kd of  1.0 lM. The absence of complex forma-tion in the absence of cosolvent indicates that formation of the turn-helix structural motif of C5 is necessary ... Ribbon diagram of the minimized mean structure of HIVgp120 C5 in 40% triﬂuoroethanol and (B) electrostatic map of theminimized mean structure of HIV gp120 C5. (A) The location of thefurin/PC7 ... interpret theresults of mutagenesis studies of the gp120–gp41 interaction.For example substitutions of C5 residues inhibit association of gp120 with gp41 [8]. Moreover, substitution of I491,P493,...

Báo cáo khoa học: "THE SIMULATION OF STRESS PATTERNS IN SYNTHETIC SPEECH" ppt

... this, the notion of the sonance of individual vowels must be considered. Vowels themselves can be ranked on a scale of sonance. Some vowels are more sonant than others. Examples of this would ... sonant of all. Thus the points of the scale are distinguished from each other in that their acoustic makeup possesses an amount of "vowelness" that can be compared with that of their ... "proposal" can be seen to have three syllabic nuclei, one of VC, one of ~D/C, and one of VC. Following the notion of sonance as the guiding principle, it can be seen that the primary...

Báo cáo khoa học: Biochemical characterization of the major sorghum grain peroxidase pptx

... sequence of SPC4 matched with the predic-ted tryptic peptides of gene indice TC102191 of sorghum chromosome 1,indicating that TC102191 codes for the N-terminal part of the sequence of SPC4, ... content of approximately5.4% (Table 2). From the overall sugar content(HPAEC) and the estimated sugar contents of the indi-vidual glycoforms (MALDI-TOF-MS), the proportions of glycoforms I ... N-terminal sequence of SPC4matched with the predicted tryptic peptides of TC102191, indicating that TC102191 codes for theN-terminal part of the sequence of SPC4. SPC4 has asignal peptide of 31 amino...

Báo cáo khoa học: "Automatic Induction of a CCG Grammar for Turkish" pptx

... who read the book sleptThese heuristics consist of morphological infor-mation like existence of a “PRESPART” morphemein (8), and part -of- speech of the word. However,there is still a problem ... relation, such as the use of comma in coordi-nation. The label “Sentence” links the head of thesentence to the punctuation mark or a conjunct incase of coordination. So the head of the sentenceis ... the nature of the sources of thedata —mostly newspapers and novels.In Figure 5 the most frequent category types areshown. The distribution reﬂects the real usage of thelanguage (some interesting...

Báo cáo khoa học: Novel aspects of calmodulin target recognition and activation pptx

... insertion of CaM between two domains of the anthrax exotoxin (d)binding of Ca2+ions to only one EF-hand pair and (e)binding of CaM in an extended conformation to some of itstargets. The mode of ... conformation of the CaM/C20Wcomplex and a collapsed structure of the CaM/C24Wcomplex [67].The binding of the C20W peptide of the Ca2+-pumpCaM-binding domain to only the C-terminal lobe of CaMdemonstrates ... cytosolicportion of the K+-channel provides interesting insights intothe mechanism of Ca2+activated gating of the channel andpresents a new way of CaM binding domain recognition.The structure of the...

Báo cáo Y học: Conformational analysis of opacity proteins from Neisseria meningitidis ppt

... thefragment of opaB128 and opaJ129 encoding the maturedomain of the protein downstream of the promoter and thesignal sequence-encoding part of the phosphate-limitationinducible phoE gene of E. coli. ... electrophoresis.Fig. 2. Binding of His-tagged N-domains of CEACAM1 and 8 byOpaJ129- and OpaB128-expressing E. coli cells. The binding of theN-terminal fragments of CEACAM1 and CEACAM8 by MS11-OpaB-expressing ... stopcodon of opaB128 and opaJ129.ThePstI–BglII fragments of opaB128 and opaJ129 were used to replace a PstI–BglIIfragment of the phoE gene in pMR05, resulting in an in-frame fusion of opa to...

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