Báo cáo khoa học: "Polynomial Learnability and Locality of Formal Grammars" doc

... Polynomial Learnability and Locality of Formal Grammars Naoki Abe* Department of Computer and Information Science, University of Pennsylvania, Philadelphia, PA19104. ... 3.1 Let D(G) denote the set of all deriva. tion trees of G, and let r E I)(G). Then, the degree of locality of r, written locality( r), is defined as follows, locality( r) card{ (p,q, n) I...

Ngày tải lên: 17/03/2014, 20:20

... feature-structural rendition of this type of grammar which uses the operations of prwrity union and generalization. We describe an augmentation of the ALE system to encompass these operations and we show ... tion of Prfist's grammar and the account of vP- ellipsis described by Dalrymple, Shieber and Pe- reira (1991) (henceforth DSP). DSP gives an equational cha...

Ngày tải lên: 08/03/2014, 07:20

... expanded the impact of studies of protein folding from a key fundamental question to a central issue in the understanding of several human diseases. One of the most commonly studied classes of protein ... general concept of the multiplicity of pro- tein folding and assembly landscapes discussed in this review may stimulate the development of new ideas and experiments to un...

Ngày tải lên: 23/03/2014, 11:20

... computed as the sum of the lengths of the right hand side of each productions: [GI = E [a I , where la] is the length of a. A-*a EP One of the objectives for the design of the non- deterministic ... ambigu- ous grammars and inputs. This is a result of the fact that the number of states of an LR(0) characteristic machine can be exponential and that there are some...

Ngày tải lên: 31/03/2014, 06:20

... courses and effects of unlabeled ligands and low pH on the dissociation rates of [ 125 I]TC-PCSK9 (A) and [ 125 I]TC-PCSK9-D374Y (B) from HepG2 cells. Binding to equilibrium and removal of unbound ... of lipo- proteins, and there was a corresponding increase in the binding of [ 125 I]TC-PCSK9 and [ 125 I]TC-PCSK9- D374Y. Second, the extent of specific binding of both...

Ngày tải lên: 14/02/2014, 14:20

... expression of T-bet has been seen within a wide variety of tissues and cells in the Ginbuna crucian carp [27] and, in mammals, in the lung tissue of mouse and spleen and thymus of human and mouse ... the expression of these genes within humans and mice, of T-bet within Ginbuna crucian carp [27] and STAT6 in mandarin fish [28] have shown similar widespread expression. I...

Ngày tải lên: 16/02/2014, 09:20

... S1. Comparison of intron–exon structures of GmPDIL-3a, GmPDIL-3b and orthologs of other plants. Fig. S2. Multiple amino acid sequence alignment of GmPDIL-3a, GmPDIL-3b and orthologs of other plants. Fig. ... Identification of the initiation codons in GmPDIL-3a and Gm-PDIL-3b mRNAs. (A) Schematic representation of the structure of GmPDIL-3a and GmPDIL-3b mRNAs. The putat...

Ngày tải lên: 18/02/2014, 11:20

... physiology and pathophysiology of the SREBP family Hitoshi Shimano Department of Internal Medicine (Endocrinoglogy and Metabolism), Graduate School of Comprehensive Human Sciences, University of Tsukuba, ... conditions of overnutrition, SREBP-1c expression is elevated, and consequently, the levels of nuclear SREBP-1c protein and lipogenesis are enhanced in the liver and...

Ngày tải lên: 18/02/2014, 13:20

... properties of SmSmad1 and SmSmad1B as described above. However, in the presence of SmSmad4 and the active mutant form of TbRI, both SmSmad2 and SmSmad4 interacted with GCN5, indicating the formation of ... Drosophila MAD and the vertebrate Smad1, Fig. 1. Structure of the SmSmad1B gene, cDNA and protein. (A) Schematic representations of the SmSmad1B gene, cDNA and prote...

Ngày tải lên: 18/02/2014, 16:20

... cut-off k c . By using this algorithm, both hubs and connectors among hubs are retained. Acknowledgements Thanks to Dr J. Aldana-Montes and members of Kha- os group research of the University of ... Parisi D (2004) Defining and identifying communities in net- works. Proc Natl Acad Sci USA 101, 2658–2663. 67 Newman M (2002) Random graphs as models of net- works. Handbook of Grap...

Ngày tải lên: 19/02/2014, 07:20