Tài liệu Báo cáo khoa học: "Generalized Expectation Criteria for Semi-Supervised Learning of Conditional Random Fields" pdf
Tài liệu Báo cáo khoa học: "Generalized Expectation Criteria for Semi-Supervised Learning of Conditional Random Fields" pdf
... of ACL-08: HLT, pages 870–878,
Columbus, Ohio, USA, June 2008.
c
2008 Association for Computational Linguistics
Generalized Expectation Criteria for Semi-Supervised Learning of
Conditional Random ... sequence
length, and s is the number of labels.
4 Generalized Expectation Criteria for
Conditional Random Fields
Prior semi-supervised learning methods have a...
Tài liệu Báo cáo khoa học: "Generalized Hebbian Algorithm for Incremental Singular Value Decomposition in Natural Language Processing" potx
... context of updating
an existing batch decomposition with a sec-
ond batch of data, but are less applicable in
the case where data are presented s erially, for
example, in the context of a learning ... decom-
position of the data with a probability of one.
The essence of these algorithms is a simple
Hebbian learning rule:
U
n
(t + 1) = U
n
(t) + λ ∗ (U
T
n
∗ A
j
) ∗ A
j
(2)
U...
Tài liệu Báo cáo khoa học: Pathways and products for the metabolism of vitamin D3 by cytochrome P450scc docx
... Identification of 20,23-dihydroxyvitamin D3. (A) Expansion
of proton–proton COSY correlations for 3-CH and 23-CH; (B) expan-
sion of proton–proton TOCSY correlations for 3-CH and 23-CH; (C)
expansion of ... above.
Preparation of minor products to test as
substrates for P450scc
Minor metabolites of vitamin D3 were purified from
50 mL incubations of 100 lm vitamin D3 with 2 lm...
Tài liệu Báo cáo khoa học: 1. Signal Transduction 1.1 Integration of Metabolism and Survival pdf
... perforin) and TNF-R
family members (GITR, OX40, 4-1BB), expression was sustained
upon addition of IL-2, an effect mimicked by expression of an
active form of STAT5. Epigenetic modifications of ... inhibition of
protein tyrosine phosphatase (PTP) like SHP-1 through the oxi-
dation of its catalytic active cysteine. For signaling it is therefore
important that the BCR is localized t...
Tài liệu Báo cáo khoa học: " Mining the Web for Language Learning" pdf
... sample
sentences in Engkoo because of their crucial role in
language learning. Engkoo offers new methods for
the self-exploration of language based on the applied
linguistic theories of learning as discovery” ... therefore cannot cover fresh words or
new usages of existing words. Secondly, their search
1
http://www.engkoo.com.
functions are often limited, making it hard for user...
Tài liệu Báo cáo khoa học: "A Multimodal Interface for Access to Content in the Home" pdf
...
for an overview) to the creation of more effective
systems used to search and browse for entertain-
ment content in the home. A number of previous
systems have investigated the addition of ... by combining the ease
of reference of pointing with the expressiveness of
spoken constraints. While by unimodally pointing
at an actor button you can search for all of the ac-
to...
Tài liệu Báo cáo khoa học: "Incorporating Context Information for the Extraction of Terms" pdf
... information gained from the
textual context of the candidate term.
2
Context information
for terms
The idea of incorporating context information for
term extraction came from that "Extended ... examined string,
lal the length of a in terms of number of words,
f(a)
the frequency of a in the corpus,
Ta the set of candidate terms that contain a,
P(T~)
the number...
Tài liệu Báo cáo khoa học: "Generalized Multitext Grammars" pdf
... in
is nullable. For each nullable link, we create
versions of the link, where is the number of
nullable strings of that link. There is one version for
each of the possible combinations of the nullable
strings ... with
strings in , where . For ,
we define
, i.e. the set of indexes that ap-
pear in .
An indexed tuple vector, or ITV, is a vector of
tuples of strings over , h...
Tài liệu Báo cáo khoa học: Enzymatic and electron paramagnetic resonance studies of anabolic pyruvate synthesis by pyruvate: ferredoxin oxidoreductase from Hydrogenobacter thermophilus doc
... addition of CoA
solution). The K
m
value for CoA of the OGOR
enzyme is reported to be 80 lm [30]. Thus, decarboxyl-
ation of 2-oxoglutarate can proceed as a result of CoA
contamination of the acetyl-CoA ... A
340
as a result of NADH
oxidation was measured. One unit of enzyme activity was
defined as the reduction of 1 lmolÆmin
)1
of NADH
(corresponding to the carboxylation...
Tài liệu Báo cáo khoa học: Nucleolin/C23 mediates the antiapoptotic effect of heat shock protein 70 during oxidative stress pptx
... fragmentation of their
nuclei. The percentage of apoptotic cells was calculated as
the number of apoptotic cells divided by the total number
of cells counted. A minimum of 500 cells were counted for
each ... X (2009)
ATP-binding domain of heat shock protein 70 is essen-
tial for its effects on the inhibition of the release of the
second mitochondria-derived activator of...