Báo cáo khoa học: "A Practical Comparison of Parsing Strategies" docx

... important but often ignored requirement of developmental compatibility. One of the most significant findings in child lan- guage research of the past decade is that different aspects of syntactic ... revises a set of syntactic_rules upon presentation of partially bracketed sentences. Note that however, the state of the learning sys- tem at any time is still a single set o...

Ngày tải lên: 20/02/2014, 19:20

... involve an ar- bitrary number of (sub-)categories. The number of degrees of freedom of the χ 2 distribution is a func- tion of the number of children. χ 2 (w) =  i∈{w,w}  C∈Sub(N) (n C (i) − p(C)p(i)) 2 p(C)p(i) (5) To ... the meaning of the one topic to which it has been assigned. The discriminative power of a term with respect to node N is formalized based on one of the...

Ngày tải lên: 07/03/2014, 22:20

... social perceptions of oneself. 2. Status-quo maintenance ~election of an act because one of its effects would reinforce a de- sired aspect of the current situation (e g, of- feting to help ... aspects of language forms but also how speakers use different forms to serve different functions. For ex- ample, one function of the act of informing another person is to make the...

Ngày tải lên: 08/03/2014, 05:21

... expected clusters. Each of the two clusters corre- sponds to one of the senses of palm, and the words closest to the geometric centers of the clusters should be good descriptors of each sense. However, ... three main di- mensions of the context matrices. 1 Introduction The topic of this paper is word sense induction, that is the automatic discovery of the possible sens...

Ngày tải lên: 20/02/2014, 16:20

... Automatic Part -of- Speech Induction from Text Reinhard Rapp University of Mainz, FASK D-76711 Germersheim, Germany rapp@mail.fask.uni-mainz.de Abstract The problem of part -of- speech induction ... prob- lem of data sparseness. 1 Introduction Whereas most previous statistical work concerning parts of speech has been on tagging, this paper deals with part -of- speech i...

Ngày tải lên: 08/03/2014, 04:22

... vivo. Known variants of the ApoC1 gene are limited to un- translated regions of the gene, synonymous mutations of the coding sequence and a number of variants of the intron regions of the gene (NCBI ... accomplished by comparison of m ⁄ z values with those of known plasma proteins, Edman degradation of the entire sam- ple with observed removal of mass appropriate for the...

Ngày tải lên: 19/02/2014, 05:20

... B, O-3 and O-4 of residue C, O-3 of residue D,O-4andO- 6of residues E and F, O-6 of residue G, O-5 and O-4 of residue L,whereasI was a terminal residue. In the high field region of the spectrum ... absence of anomeric signals from GlcN I and GlcN II of Lipid A, the lack of pyruvate methyl groups, as a consequence of the cleavage of the ketal group under acid treatment, and...

Ngày tải lên: 19/02/2014, 13:20

... the activating interaction of AdoMet with TS may attenuate the changes in the flux of threonine due to a modification of the level of AdoMet. Indeed, upon an increase in the level of AdoMet, TS is activated ... independent of what happens on the cystathionine side. The Phser branch-point combines the divergence of two fluxes (fluxes of cystathionine and threonine) with the converg...

Ngày tải lên: 20/02/2014, 02:21

... Leary JH III & Evans DL (2000) Role of nonspecific cytotoxic cells in the induction of programmed cell death of pathogenic protozoans: Parti- cipation of the Fas ligand-Fas receptor system. ... antiapoptotic members of the Bcl-2 family proteins regulate loss of mitochondrial inner membrane potential, which results in the release of these apoptogenic factors [1,10]. The involv...

Ngày tải lên: 20/02/2014, 03:20

... indication of the syntactic flexibility of entry expressions (i.e., possibility of internal modification of constituent words) of entry expressions. In section 2, we outline the main features of ... available, presumably because of the difficulty of extracting correctly without any human insight. Recognizing the crucial importance of such expressions, one of the au...

Ngày tải lên: 20/02/2014, 04:20