Báo cáo khoa học: "Redundancy Ratio: An Invariant Property of the Consonant Inventories of the World’s Languages" pdf

... span amuch larger range for the vowel inventories than for the consonant inventories. The signiﬁcance of the difference in the nature of the distribution of RRs for the vowel and the conso-nant ... measure of redun-dancy is almost an invariance over the consonant inventories of the world’s languages. The observa-tion is important since it can shed enough light on the organization of the consonant ... comparing the RRs of the realand the random inventories. The results show thatFigure 2: The scatter-plot of the redundancy ratioRR of each of the consonant inventories (y-axis)versus the inventory...

Tài liệu Báo cáo khoa học: "Collecting a Why-question corpus for development and evaluation of an automatic QA-system" pdf

... variety of simple tasks. With tools providedby Amazon.com, the employer creates tasks, and up-loads them to the MTurk Web-site. Workers can thenbrowse the tasks and, if they find them profitableand/or ... where the partialcontent consisted of the title and headers of the arti-cle, along with the first sentences of each paragraph. The instructions to the questions demanded rigidlythat the question ... force the questions to be different, and thus in the later phasesome of the questions were removed manually asthey were deemed to mean exactly the same thing.However, there were less than 30 of...

Báo cáo khoa học: "Experience with an Easily Computed Metric for Ranking Alternative Parses" pptx

... with the preposition as an addition- al premodifier. As an example of the calculation, the score of the PP here is computed as 0.1(0+ 1)+0.1(0+1), because the scores of its modifiers m the ... the ADJ and the PREP m are each 0. Similarly, the score of the NP in the second parse tree is computed as 0.1(0+ 1)+0.1(0.2+ 1), where the 0.2 within it is the score of the PP. It can be seen ... K of 0.1 for all types of modifiers. An example of the application of the metric in this sim- plest form is given in Figure 1. Two parse trees are shown for the sentence, "See the man...

Báo cáo khoa học: "EXPERIENCES WITH AN ON-LINE TRANSLATING DIALOGUE SYSTEM" docx

... displays the original input in the workspace at the bottom of the screen, and the translated message in the middle window on the screen. The set-up at the Swiss end is similar to that at the Japanese ... workspace at the bottom of the screen, the raw input is also displayed. (This access to the English input at the Japanese end is significant in the case of Japanese users having some knowledge of English, ... those in the other direction. To offset this, the users at the Japanese end, who were mainly researchers at our laboratory and therefore famil- iar with some of the problems of Machine Transla-...

Báo cáo khoa học: "Parsing with an Extended Domain of Locality" pot

... trees the anchor is also the head of the tree and becomes the head of the tree resulting from the adjunction. In modifier auxiliary trees, the anchor is not the head of the tree, and the sub- ... instantiates the agr feature of the anchor node as 3sg which has the effect (due to the re- entrancy in the unanchored tree) of instantiating the agr feature at the subject node as 3sg. Anchored ... by the anchor of the tree (the verb) but by the complement of the anchor (the adjective). The verb form feature must therefore be percolated from the adjective phrase to the subject. The...

Báo cáo khoa học: Shewasin A, an active pepsin homolog from the bacterium Shewanella amazonensis pptx

... bacterial and eukaryoticpolypeptides, and consider the evolutionary signifi-cance of these observations.ResultsExpression and purification of recombinantshewasin AIn order to characterize one of the ... conditionsconfirmed the presence of a protein with the predictedmolecular mass of 50 kDa (Fig. 2D, lanes 1–4). The identity of this band was further confirmed by westernblot analysis with an antibody against ... pressures toextend the lifetime of these eukaryotic APs [22].Indeed, given the strict requirement of the propartsegment for proper folding of the precursors of the large majority of eukaryotic pepsin-like...

Báo cáo khoa học: ˚ cDNA cloning and 1.75 A crystal structure determination of PPL2, an endochitinase and N-acetylglucosaminebinding hemagglutinin from Parkia platycephala seeds potx

... that mannose is an abundant building block of surface-exposed glycoconjugates of viruses, bacteriaand fungi supports the view that PPL, and othermannose-recognizing lectins, play a role in plant ... Inplants, most of the currently known lectins can beplaced in seven families of structurally and evolutionar-ily related proteins [1]. The seed lectins of leguminousplants constitute the largest ... Brazil,West Africa, the northern part of Malaysia and the south of Thailand. Parkia platycephala is an importantforage tree growing in parts of north-eastern Brazil. The seed lectin from Parkia...

Báo cáo khoa học: "French TimeBank: An ISO-TimeML Annotated Reference Corpus doc

... andquality. An experiment to evaluate the effects of the pre-annotation showed a near halving of annotationtime compared to manual annotation, as well as asigniﬁcant reduction of human errors ... evaluate the effects of our methodol-ogy on the quality of the corpus and the time takenin the task.2 ISO-TimeMLISO-TimeML (ISO, 2008) is a surface-based lan-guage for the marking of events ... For the task of event recognition, our system scored a preci-sion of 62.5 (62.5 for DEDO), recall of 89.4 (77.7)and an F-score of 75.8 (69.3).Manual annotation and validation : after pre-annotation...

Báo cáo khoa học: "CONSTRAINT PROJECTION: AN EFFICIENT TREATMENT DISJUNCTIVE FEATURE DESCRIPTIONS " ppt

... divide(P). 4. Hin := the list of the members of H which include variables in X. 5. ]-[ex : the list of the members of H other than the members of ~in. 6. For each member R of ]]cx, If not(satisfiable(R)) ... include variables in the goal, and the others. We call the former goal-relevant constraints and the latter goal-irrelevant constraints. Only goal- relevant constraints are transformed into normal ... Here, the predicate p corresponds to the specifica- tion of the feature structure. A term p(X) means that the variable I is a candidate of the disjunctive feature structure specified by the...

Báo cáo khoa học: LIN54 is an essential core subunit of the DREAM / LINC complex that binds to the cdc2 promoter in a sequence-speciﬁc manner ppt

... the basisto further investigate the regulation of the cdc2promoter by LINC in different phases of the cell cycle.Although, so far, only the cdc2 promoter has beenanalyzed, the promoters of ... concentration of 1.5% and the lysate was sonicatedand centrifuged. The supernatant was incubated with 2%Triton-X-100 and 250 lL of glutathione-sepharose beads. The recombinant protein was eluted from the ... fragments and used them in competi-tion experiments (Fig. 5).In the ﬁrst set of experiments, we analyzed the CDE-CHR region at the transcription start site, the potential MYB binding sites and the...

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