complexity of inflectional morphology
Tài liệu Đề tài " On the complexity of algebraic numbers I. Expansions in integer bases " ppt
Ngày tải lên :
16/02/2014, 06:20
... to decide
whether every element of Q(β) ∩(0, 1) has an eventually periodic β-expansion.
5. Proofs of Theorems 1 to 4
We begin by a short proof of Theorem 2.
Proof of Theorem 2. Let a =(a
k
)
k≥1
be ... [21] proposed an alternative approach
for the notion of complexity of real numbers, by emphasizing the quantitative
aspect of the notion of calculability introduced by Turing [42]. According ... ADAMCZEWSKI AND YANN BUGEAUD
examples of transcendental numbers with low complexity [3], [6], [4], [34]. It
also implies that the complexity of the b-ary expansion of every irrational al-
gebraic number...
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Báo cáo khoa học: "On the Computational Complexity of Dominance Links in Grammatical Formalisms" doc
Ngày tải lên :
16/03/2014, 23:20
... The length of a string w is noted
|w|, and the number of occurrence of a symbol a
in w is noted |w|
a
. A language is formalized as a
subset of Σ
∗
. Let N
n
denote the set of vectors of
positive ... the complexity of decisions problems
for MLIGs (Demri et al., 2009; Lazi
´
c, 2010). We
survey the current state of affairs, with a particular
emphasis on two points:
1. the applicability of complexity ... occurrence of each S → aS, S → bS,
and S → cS, which corresponds exactly to the
MLIG of Example 2.
The ease of translation from the grammar of
Figure 4 into a MLIG stems from the impossi-
bility of splitting...
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![Tài liệu [Luyện thi tiếng Anh] Unit 7: because of & in spite of pdf](https://media.store123doc.com/images/document/13/ce/wu/medium_wuj1387768536.jpg)
Tài liệu [Luyện thi tiếng Anh] Unit 7: because of & in spite of pdf
Ngày tải lên :
23/12/2013, 10:15
... BECAUSE OF – IN SPITE OF/ DESPITE
I. Adverb Phrase of Reason: Because of
Ex: - I can’t go to school yesterday because I am sick.
I can’t go to school because of my sickness.
- ... because he got up late.
Because of getting up late, Nam missed the bus.
Because of + Noun/ Noun Phrase (reason)
II. Adverb Phrase of Concession: Inspite of/ Despite
Ex: - The woman tries ... concert because of the taxi.
C. In spite of taking a taxi, Bill arrived late for the concert.
D. Although Bill took a taxi, he can’t come to the concert in time.
4. In spite of his suffering...
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Tài liệu Báo cáo khoa học: Transcriptional upregulation of inflammatory cytokines in human intestinal epithelial cells following Vibrio cholerae infection pptx
Ngày tải lên :
18/02/2014, 16:20
... form of CREB was
observed at 4 h of LPS treatment. Such facts suggest an
optimal association of transcription factors at the site of
transcription of IL-1a and IL-6 by LPS.
The activation of transcription ... multifactorial nature of V. cholerae infection.
Differential activation of transcription factors
NF-jB and CREB by CT, LPS and a ctxA mutant
of V. cholerae
The NF-jB family of transcription factors ... The frac-
tionation of V. cholerae culture supernatant followed
by the induction of epithelial cells with each of these
fractions could identify the probable combination of
V. cholerae factors...
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Tài liệu Báo cáo khoa học: "Complexity assumptions in ontology verbalisation" pptx
Ngày tải lên :
20/02/2014, 04:20
... phrase
lengths are typically between one and four words
(this was true of over 95% of individuals, over
90% of classes, and over 98% of properties), as
in the following random selections:
Individuals: ... patterns was con-
firmed by an analysis of argument struc-
ture for the OWL functors (e.g., SubClassOf,
IntersectionOf) that take classes as arguments.
Overall, 85% of arguments were atomic terms
rather ... argue
that its success depends on assumptions
about the complexity of terms and axioms
in the ontology. We then show, through
analysis of a corpus of ontologies, that al-
though these assumptions could...
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Báo cáo khoa học: Influence of inflammation-related changes on conformational characteristics of HLA-B27 subtypes as detected by IR spectroscopy potx
Ngày tải lên :
06/03/2014, 00:21
... are due to different packing of the protein chains
in crystallo. A comparison of the X-ray structures
revealed, however, that the structures of the HC and
of b
2
m of the two subtypes appear nearly ... conformational flexibility of the B*2705
HC in comparison to that of B*2709 found also in
case of pVIPR-U5 (see IR results, Fig. 2) must be
regarded as an intrinsic property of the HC of the two
subtypes ... ⁄
13
C-b
2
m:pVIPR-U5) of the second derivatives at 15 °C (black trace) and at 90 °C (red trace). (F) IR difference
spectra of the second derivatives of experiments with two independent preparations of each...
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Báo cáo khoa học: Post-ischemic brain damage: pathophysiology and role of inflammatory mediators ppt
Ngày tải lên :
07/03/2014, 03:20
... models of ischemic stroke [87,99,100].
The mechanisms of brain damage involve gelatinase-
mediated disruption of the BBB integrity, of edema
and hemorrhagic transformation, as well as of white
matter ... stages of
injury by overactivation of neuronal NOS and de novo
expression of iNOS contributes to ischemic tissue
injury [75]. Despite substantial evidence underlying the
deleterious role of iNOS-derived ... emphasized the role of MMPs and their endoge-
nous inhibitors (tissue inhibitor of matrix metallopro-
teinases) in the regulation of neuronal cell death
through the modulation of excitotoxicity...
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Evaluation of in-house PCR for diagnosis of smear-negative pulmonary tuberculosis in Kampala, Uganda doc
Ngày tải lên :
15/03/2014, 03:20
... Medicine,
School of Medicine, Makerere University College of Health Sciences, Kampala,
Uganda.
3
Department of Medical Microbiology, School of Biomedical
Sciences, Makerere University College of Health ... College of Health Sciences,
Mulago Hospital Complex, Kampala, Uganda
2
Department of Medicine, School of Medicine, Makerere University College
of Health Sciences, Kampala, Uganda
Full list of author ... with an estimated incidence of 402 cases per
100,000 individuals [3]. Kampala, the capital of Uganda
has approx. 2 million inhabitants and accounts for
approx. 30% of the nation’s TB burden [4].
Accurate...
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Estimating Inflation Expectations with a Limited Number of Inflation-Indexed Bonds ∗ doc
Ngày tải lên :
15/03/2014, 07:20
... reflect the agglomerated knowledge of all market partici-
pants, not just the views of a small number of economists. By contrast,
the main drawback of our model is its complexity break-even infla-
tion ... prices of bonds at various maturities. This is, however, a lot of
information to extract from a limited amount of data. Adding fore-
cast data helps to better anchor the model estimates of inflation
expectations ... entries of the
K matrix, which drives the inflation law of motion as defined by
equations (2)–(4). The first diagonal entry of K is 0.19, which in a
single-factor model would imply a half-life of the...
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Báo cáo khoa học: Recent contributions of in vitro models to our understanding of hepatitis C virus life cycle pdf
Ngày tải lên :
16/03/2014, 05:20
... mutations are at the N-termi-
nus of the NS3 helicase, in two distinct positions of
NS4B, in the centre of NS5A and in the C-terminal
region of NS5B [3–6]. The significance of these muta-
tions has been ... largely
punctuated by the development of original models of research. At the end
of the 1980s, the chimpanzee model led to cloning of the viral genome and
the definition of infectious molecular clones. ... clone of HCV
A major breakthrough has been achieved in the in vitro
modelling of HCV propagation with the development
of a cellular clone of HCV (HCVcc). This system is
based on the utilization of...
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Báo cáo khoa học: "Empirical Lower Bounds on the Complexity of Translational Equivalence ∗" pdf
Ngày tải lên :
17/03/2014, 04:20
... rep-
resentations of this relation are word alignments
between sentences that are translations of each
other. The complexity of a given word alignment
can be measured by the difficulty of decomposing
it ... ne. pas). To elim-
inate this source of complexity of translational
equivalence, we used English/English bitexts. We
are not aware of any previous studies of word
alignments in monolingual bitexts.
Even ... paper presented evidence of phenomena that
can lead to complex patterns of translational
equivalence in bitexts of any language pair. There
were surprisingly many examples of such patterns
that...
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Báo cáo khoa học: "COMPUTATIONAL COMPLEXITY OF CURRENT GPSG THEORY" docx
Ngày tải lên :
17/03/2014, 20:20
... 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 of all categories ... of categories, FCRs
are a language-particular component of the grammar. The vast number of
categories cited above is
inherent
in the GPSG framework.
SOur goal is to identify sources of complexity...
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Báo cáo khoa học: "THE COMPUTATIONAL COMPLEXITY OF AVOIDING CONVERSATIONAL IMPLICATURES" pdf
Ngày tải lên :
17/03/2014, 20:20
... 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 of length the author ... for all definitions of length the author has
examined (number of open-class words, number of
words, number of characters, number of com-
ponents).
To prove this, let
Target-Components
denote...
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RESEARCH DISCUSSION PAPER: Estimating Infl ation Expectations with a Limited Number of Infl ation-indexed Bonds doc
Ngày tải lên :
22/03/2014, 20:20
... type of sigma-point filter. Sigma-point
filters deal with non-linearities in the following manner:
• First, a set of points around the forecast of the state is generated. The distribution
of these ... on the variance of the forecast of the state.
• The measurement equations (functions H1(x
t
) and H2(x
t
)) are used to calculate
a set of forecast observation points. This set of points is used ... mean
and variance of the data forecasts.
• The mean and variance of the data forecasts are then used to update the estimates
of the state and its variance.
The algorithm we use is that of an additive...
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