Báo cáo khoa học: "THE COMPUTATIONAL DIFFICULTY OF ID/LP PARSING" potx
Báo cáo khoa học: "THE COMPUTATIONAL DIFFICULTY OF ID/LP PARSING" potx
... tlillicnlty of ID/LP parsing.
ID/LP parsing is actually NP-complete, anti the worst-case
runtime of Shieber's algorithm is actually exponential in
grammar size. The growth of parser data ... more
general ta.sk of ID/LP parsing nmst be computationally
difficult. For a more detailed treatment of the reduction,
see Barton (1984b).
IMPLICATIONS
The reduction of Verte...
Báo cáo khoa học: "THE COMPUTATIONAL COMPLEXITY OF AVOIDING CONVERSATIONAL IMPLICATURES" pdf
... problem of gen-
erating free -of- false-implicatures referring expres-
sions, such as utterance (la). Reiter (1990a,b) uses
the same preference rules to formalize the task of
generating free -of- ... length(B). The task of finding a maximal
element of >>FB, i.e., of finding the shortest success-
ful referring expression, is NP-Hard. This result
holds for all definitions...
Tài liệu Báo cáo khoa học: "A COMPUTATIONAL VIEW OF THE COGNITIVE SEMANTICS OF SPATIAL PREPOSITIONS*" ppt
... representation of
physical objects from the two-level semantics of
Bierwisch and Lang. In particular the dimensions
of the process of
conventwnal imagery
are used
as a metric for the design of our ... imagery.
The first section of this paper introduces the
semantics of projective prepositions (eg. "in front
of& quot;, "behind", "left of& quot;, "...
Báo cáo khoa học: "The Computational Lexical Semantics of Syntagmatic Relations" pptx
... selection of co-occurrences is part of the lexical pro-
cess, in other words, if
there are
reasons not to choose a co-
occurrence because of the presence of modifiers or because
of stylistics ... context of a
pupil
rather
than any other element belonging to the paradig-
matic family of
teacher
such as
professor, instructor.
Formally, there is no difference between th...
Báo cáo khoa học: "A COMPUTATIONAL MODEL OF THE SYNTAX-PROSODY INTERFACE IN TOKYO JAPANESE" doc
... WHAT SORT OF TREES DO WE SPEAK?
A COMPUTATIONAL MODEL OF THE SYNTAX-PROSODY INTERFACE
IN TOKYO JAPANESE
Pete Whitelock
Sharp Laboratories of Europe Ltd.
Neave House, Winsmore ... the value of a
register. A constituent labelled <major +> will
contribute two sets of constraints - over the relative
values of its daughter's registers, and on the pitch of
the .....
Báo cáo khoa học: "The clinical value of daily routine chest radiographs in a mixed medical–surgical intensive care unit is low"
... performance of a bronchoalveolar lavage for culture,
or start of or a change in antimicrobial therapy in case of unex-
pected infiltrates on the CXR; repositioning of tubes in case of
malposition of orotracheal ... ultrasound of the thorax in case of pleural effusion on
the CXR, start or change in medication (diuretics); insertion of
a pleural drain; and repositioning of d...
Tài liệu Báo cáo khoa học: The central role of CDE/CHR promoter elements in the regulation of cell cycle-dependent gene transcription pdf
... Expression of
SV40 T antigen in promoter-reporter assays yielded
deregulation, which was dependent on the CDE of the
human Cdc25C promoter. Dimethyl sulfate footprint-
ing of the CDE in the presence of ... footprinting.
Loss of the two pocket proteins leads to deregulation
of the B-Myb promoter during the cell cycle. Re-intro-
duction of p107, and to some extent also p130, cause...
Tài liệu Báo cáo khoa học: The capsid protein of human immunodeficiency virus: intersubunit interactions during virus assembly doc
... indicate that poly-
merization of Gag occurs mainly through the forma-
tion of an intermediate layer of cup-shaped structures,
each made of one hollow hexameric ring of CA
domains placed immediately ... pseudoatomic models of
capsid-like particles [30,39]; (b) analyses of the effect
of CA mutations on the assembly of mature capsid-
like particles (Fig. 2E,F) and ⁄ or the for...
Tài liệu Báo cáo khoa học: The capsid protein of human immunodeficiency virus: designing inhibitors of capsid assembly ppt
... mature capsid of human immunodeficiency virus, HIV-1, is formed by
the assembly of copies of a capsid protein (CA). The C-terminal domain of
CA, CTD, is able to homodimerize and most of the dimerization ... shifts of the whole dimer-
ization helix of CTD [27] (otherwise, those chemical
shifts are too broad to be observed because of the
presence of interconverting conformers)...
Tài liệu Báo cáo khoa học: The pro-form of BMP-2 interferes with BMP-2 signalling by competing with BMP-2 for IA receptor binding pptx
... biological function of the pro-form of
bone morphogenetic protein-2 (BMP-2), a member of the transforming
growth factor b (TGFb) ⁄ BLP superfamily. The role of the 263 amino acids
of the pro-peptide ... experi-
ments demonstrate binding of proBMP-2 to
the ECD of BMPR-IA. Interaction of BMP-2
(A) and proBMP-2 (B) with immobilized ECD
of BMPR-IA. Interaction of BMP-2 (C) and...