Báo cáo khoa học: "A means of accelerating" pdf

... of days that shoot elongation occurred and the daily shoot elonga- tion rate were calculated to determine if any of these characters would predict field performance. Of ... Genetics of growth rate in Quercus rubra: provenance and family effects by the early third decade in the north central USA. Silvae Genet 37, 193-198 Original article A mea...

Ngày tải lên: 08/08/2014, 19:21

... concerning human capabilities, errors, or profiles of cognitive load. and then testing these predictions in a careful series of psycholinguisttc experiments. It is often debated, usually by non-linguists, ... middle of parsing in the interests of reasonable efficiency: the interpreter can reject sub-constituents that are semantically or pragmatically unacceptable and thereby permi...

Ngày tải lên: 24/03/2014, 01:21

... that expression of miR-27 resulted in blockade of expression of PPARc and C ⁄ EBPa, the two master regulators of adipogenesis. Importantly, expression of miR-27 was increased in fat tissue of obese ... a class of negative regulators of adipogenesis. Wang et al. [15] have shown that expression of the miR-17 ⁄ 92 cluster is moderately upregulated during adipogenesis. Overex- p...

Ngày tải lên: 18/02/2014, 08:20

... number of times term i occurs in D, idf i is the inverse document frequency of term i, N is the total number of documents and df i is the number of documents that contain term i. The utilization of ... as a bag -of- words feature vector: D =  w 1 , w 2 , , w |V |  where |V | is the size of the vocabulary (i.e. the number of unique words) and w i , i = 1, . . . , |V | is the w...

Ngày tải lên: 20/02/2014, 04:20

... em- ploying each of these parsing alternatives? Each of these four questions is addressed in the four subsequent sections of this paper, fol- lowed by a discussion of the implications of our findings ... difficult research problems. Just as the Penn Treebank offers the possibility of developing systems capable of accurate syntactic parsing, corpora of semantic role anno...

Ngày tải lên: 20/02/2014, 12:20

... gcel-pursuin~ planner, end the use of dynamic models of speaker and hearer to shape the text to the task at hand. STATEMENT OF THE PROBLEM The task of KDS is to generate English text ... vlz: ordering among sentences and the scope of each, quality comparisons between alternative 8~regations of sub-sententJal units, the coordination of communication with non-linguistic...

Ngày tải lên: 21/02/2014, 20:20

... f'mite set of symbols, so there is only a finite number of strings of given length L, and it has a finite number of rules, so there is only a finite number of possible parse trees of given depth ... representation for the set of pairs of ground terms [A,B] such that (A > B) is a rule in the ground grammar of G'. Clearly this representation is just the set...

Ngày tải lên: 21/02/2014, 20:20

... im- pression of the lexical and syntactic ambiguity of the respective grammars 4 The German and Japanese corpora and half of the English corpus consist of transliterations of spoken dialogues ... fit in with the intuitions of the grammar-writers. In particular, some of the paths are very long (of length ten or more). Optimal sets of paths for grammars of this complex...

Ngày tải lên: 08/03/2014, 06:20

... the number of structures that can be built for a sentence pair of size n. ITGs explore almost all of permutation space when n is small, but their coverage of permutation space falls off quickly ... also the number of possi- ble permutations of the n tokens in either one of the two sentences. Permutation space en- forces the one-to-one constraint, but allows any re- ordering of...

Ngày tải lên: 08/03/2014, 21:20

... The principle of bottom-up parsing is to reduce a sequence of phrases whose types match the right- hand side of a grammar rule to a phrase of the type of the left-hand side of the rule. To ... measure of the amount of work done at each vertex by the procedure which implements ~the fundamental rule" (Thomp- son 1981:2) can be expressed as the product of the number...

Ngày tải lên: 09/03/2014, 01:20