Báo cáo khoa học: "Deep dependencies from context-free statistical parsers: correcting the surface dependency approximation" pptx

... Deep dependencies from context-free statistical parsers: correcting the surface dependency approximation Roger Levy Department of Linguistics Stanford ... The second was the ambiguity that some matrix S-initial NPs are actually dependents of the VP head (in these cases, NEGRA annotates the finite verb as the head of S and the non-finite verb as the ... de- gree c...

Ngày tải lên: 08/03/2014, 04:22

... convey mostly the same information using different expres- sions. Such functions other than definition may in- clude the usage of the same Linux command, the recipe for the same cuisine, or the description ... con- siderably fewer in the number of definition sen- tences than those on the Web. Thus, the coverage of their method should be quite limited. Furthermore, the precis...

Ngày tải lên: 30/03/2014, 21:20

... exchanging only hypotheses that correspond to the same sentence. Table 2 shows the p-values computed by AR, test- ing the significance of the differences between the two systems in each pair. The first three ... optimizer outputs from our large pool and ran the AR test to determine the significance; we repeated this proce- dure 250 times. The p-values reported are the p- va...

Ngày tải lên: 23/03/2014, 16:20

... originate from the highly compacted platelet content of the thrombi [4]. These lipid constituents of thrombi profoundly modu- late the fibrinolytic process [2,3,5–7]. In the few studies evaluating the ... region). The best estimate from the experiment is indi- cated by a red asterisk, whereas the best estimate from the Monte-Carlo simulation is indicated by a red circle...

Ngày tải lên: 18/02/2014, 17:20

... conserved in any other arthropod hemocyanin subunit. Nevertheless, the glycosylation site at a-sheet 2E (Fig. 3) is located at the surface of the putative hemocyanin hexamer, as deduced from the comparison with ... the determination of the N-terminal sequences, C. Hunzinger for the MALDI-TOF analyses, C. Bache and J. Hermanns for their help with the cloning experiments, an...

Ngày tải lên: 20/02/2014, 11:20

... ing the correctness of the probability computa- tion. The transformation of the equations is explained as follows. For an item I, the span of I, written a(I), is the 4-tuple representing the ... string modulo the computation of some parts of the derivation that do not contribute to the input itself. Com- bination of the second set of equations with the solutio...

Ngày tải lên: 20/02/2014, 18:20

... aminoacids at the N-terminus of PHI (sequence: SKVYLALQDND) were compared with the sequences of the so called ‘intermediate components’ from two other PHs. The N-terminal sequence of PHI from A. radioresis- tens ... in the temperature range 10–70 °C after reaching thermal equilibrium. As shown in the inset, the progressive decrease of the molecular ellipticity at k ¼ 200 n...

Ngày tải lên: 21/02/2014, 00:20

... stressed using either the rules of the the language that it was borrowed from or the rules of the language that it was borrowed into. But neither the rules of Japanese nor the rules of English ... syllable noun, the weight of the antipenultimate is irrelevant if the penultimate is light and the weight of the initial two syllables are irrelevant if the penultimate...

Ngày tải lên: 21/02/2014, 20:20

... from the first data set. The columns are labelled by the expansions (nominal or adjectival) of the NPs being clustered. Each line represents a NP (an individual, in statistical terms) : there ... context) of a NP is the set of the can- didate terms appearing in the expansion of the more complex candidate term containing the current NP in head position. For example,...

Ngày tải lên: 22/02/2014, 03:20

... transfer from the hydride (formed at nickel) to the Fe-S clusters is hampered by the absence of the FMN-a, it is unlikely that BV obtains electrons from any of the Fe-S clusters during the H 2 -BV reaction. ... two of the Fe-S clusters in the small subunit of the D. gigas enzyme is missing in HoxY of the SH, suggesting an exposure of part of the hydrophobic surface...

Ngày tải lên: 07/03/2014, 15:20