Tài liệu Báo cáo khoa học: "Computationally Efficient M-Estimation of Log-Linear Structure Models∗" doc

... arbitrary contiguous tree substructures can be computed as products of probabilities of rules appearing within the structure, factoring in the o value of the struc- ture’s root and the i values of the structure s ... general term M-estimation to refer to the minimization of (w) as a way of training a log-linear model. 4 Algorithms for Models of Sequences and Trees We discus...

Ngày tải lên: 20/02/2014, 12:20

... transfer of phosphate esterified in the 5¢ position of 6-hydroxypu- rine monophosphate nucleosides [1]. The transfer of phosphate can lead to phosphorylation of inosine, guanosine and a number of their ... disappearance of the heavier inactive peak. Furthermore, FPLC analysis of the recombinant wild-type cN-II showed the presence of the tetrameric active form irrespective of...

Ngày tải lên: 15/02/2014, 01:20

... indicating that A B Fig. 1. Solution structure of the LRR domain of murine Anp32a. (A) NMR bundle of the 10 best structures in terms of energy. (B) Average structure as obtained by the WHEATSHEAF ... sub- unit of PP2A as modeled by comparison with the U2A¢–U2B¢¢ complex. The other two subunits shield most of the surface of PP2A–C. (B) Structure of the U2A¢–U2B¢¢ complex...

Ngày tải lên: 18/02/2014, 17:20

... concentration, s 1 ,ofS 1 , the absolute values (positive) of the steady-state rate of transforma- tion of S 1 into S 3 is calculated as corresponding to both the rate of consumption of S 1 , v(s 1 ), ... that the occur- rence of terms representative of the assembly and disassembly of FDSs in the classical expression of the density of entropy production are character- isti...

Ngày tải lên: 19/02/2014, 06:20

... set of sequences of all superfamily members. To also visualise the more general relationships of the families included in MAPEG an unrooted consensus tree was produced. The consensus sequences of ... (1996) Sequence analysis of the gen- ome of the unicellular cyanobacterium Synechocystis sp. strain PCC6803. II. Sequence determination of the entire genome and assignment of pote...

Ngày tải lên: 19/02/2014, 17:20

... native speakers of Arabic annotated 2855 sentences from Part 1 V 3.0 of the PATB. The sentences make up the first 400 documents of that part of PATB amounting to a total of 54.5% of the PATB Part ... newly developed manually annotated corpus of Mod- ern Standard Arabic (MSA) together with a new polarity lexicon.The corpus is a collec- tion of newswire documents annotated on the...

Ngày tải lên: 20/02/2014, 05:20

... adequate account of recur- sive syntactic structure is an essential component of any model of the behaviour. In this study, we tested a bigram POS tagger on different types of structural ambiguities ... composed of features like POS, the number of complements, category of each complement, and the position of comple- ments. In their view, structural disambiguation is simply a...

Ngày tải lên: 20/02/2014, 11:21

... grammaticality of the input. In other words, instead of deciding on the grammaticality of the input, we can give an indica- tion of its grammaticality, quantified on the basis of the description of the ... Const NP {Det, AP, N, Pro} (set of possible constituents of NP) In PG, each category of the grammar is de- scribed with a set of properties. A grammar is then made of a...

Ngày tải lên: 20/02/2014, 11:21

... deletions of two of the helical domains of the PrP protein, also possessed a high content of helical structure. Activity domains of PrP This body of research has provided two sets of results concerning ... activity of PrP. Production of deletion mutants of PrP On the basis of the results with antibodies, a series of PrP mutants were made to assess whether deletions...

Ngày tải lên: 21/02/2014, 00:20

... application discussed here (the assignment of an instance of a knowledge structure to one of a set of classes), inexact matching and close relatives thereof are also found in several other domains ... by means of a process of ~ inmtRntlat~nn OF the deflnition the translation of the de/initlon f~'om a set of criteria for satisfying the definition into an e...

Ngày tải lên: 21/02/2014, 20:20