Báo cáo khoa học: "Computational Aspects of M-grammars" potx

... set of possi- ble S-trees and F~ is a collection of relations of type T m × T, m > 0. F~ contains all relations defined by the M-rules of subgrammar i. s The set of production rules of ... part of the translation system an S-tree of the source language is mapped onto a set of semantic derivation trees. Next, each semantic derivation tree is mapped onto a set of...

Ngày tải lên: 24/03/2014, 05:21

... element consisting of multiple inverted repeats of the pentanucleotide sequence nGAAn. A single HSF of yeast can bind to heat shock elements that differ in the configuration of the nGAAn units ... nature of the repeats, posi- tions all of the GAA units on the same side of the double helix, with the central GAA oriented in the opposite direction. In vitro, Drosophila HSF is capabl...

Ngày tải lên: 18/02/2014, 04:20

... MINIREVIEW Molecular aspects of rheumatoid arthritis: chemokines in the joints of patients Takuji Iwamoto 1,2 , Hiroshi Okamoto 1 , Yoshiaki Toyama 2 and Shigeki Momohara 1 1 Institute of Rheumatology, ... small joints of the hands and feet. The inflammatory process is characterized by infiltration of inflammatory cells into the joints, leading to proliferation of synoviocytes and...

Ngày tải lên: 18/02/2014, 18:20

... 0.5–1% of the popu- lation and causes progressive joint destruction that leads to the restriction of activities of daily living and deterioration of quality of life. Although the patho- genesis of ... 0.5–1% of the population. RA causes progressive joint destruction that leads to the restriction of activities of daily living and deterioration of quality of life. Although...

Ngày tải lên: 18/02/2014, 18:20

... great variety of organs and cells. One of the roles of Ca 2+ is to regulate calcineurin, which in turn dephosphorylates and induces the nuclear localization of the cytoplasmic components of nuclear ... the course of the inflamma- tory process [8]. Although a wealth of information concerning the diagnosis and pathogenesis of AA amy- loidosis has accumulated, the biological role(...

Ngày tải lên: 18/02/2014, 18:20

... insertion of CaM between two domains of the anthrax exotoxin (d) binding of Ca 2+ ions to only one EF-hand pair and (e) binding of CaM in an extended conformation to some of its targets. The mode of ... exotoxin. Unexpected aspects of CaM/target interaction observed in these complexes include: (a) binding of the Ca 2+ -pump domain to only the C-terminal part of CaM (b) dim...

Ngày tải lên: 17/03/2014, 09:20

... result of the application of that metarule. This maximal set is called the finite closure (FC) of a set R of lexical ID rules under a set M of metarules. The cleanest possible complexity proof ... finite closure of a set of metarules M on a set of ID rules R. The category membership problem is to determine if a category or C or a legal extension of C is in the set K...

Ngày tải lên: 17/03/2014, 20:20

Ngày tải lên: 23/03/2014, 17:20

... representation of the potential referents of a quantifier such as ‘at least one’ would contain every pair of non-empty sub- sets of the set of all entities, with a cardinal- ity on the order of . If ... number of ele- ments in each of the composed sets (assuming the sets are sorted in advance and remain so), the cal- culation of referent sets only adds a factor of to the si...

Ngày tải lên: 23/03/2014, 19:20

... of sub- formulas of ~ and Sf(e) the set of subformulas of ¢. Put S = {f~(x)l 0 E Sf(~) U Sf(e)}. S is certainly finite and its cardinality is bounded by the sum of the cardinalities of ... union of intersections of chains. Namely, by (3), both M and U can be moved outside the scope of o. Moreover, fl can be moved outside the scope of U and U can be moved outsid...

Ngày tải lên: 24/03/2014, 05:21