Báo cáo khoa học: "Describing Syntax with Star-Free Regular Expressions" ppt
Báo cáo khoa học: "Describing Syntax with Star-Free Regular Expressions" ppt
... Papert, 1971).
Sometimes star-freeness of a language can be
shown by means of closure properties of star-free
languages. To start with, finite regular languages
are star-free (especially 0, 6, ... described with a
star-free
regular expression if it can be constructed from
alphabet symbols by application of union (A U
B),
complementation (A) and finite concatena-
tion
(AB),
tha...
Báo cáo khoa học: "Tweet Recommendation with Graph Co-Ranking" ppt
... State-of-art tweet re-
trieval methods include a linear regression model bi-
ased towards text quality with a regularization factor
inspired by the hypothesis that documents similar
in content may have ... Section 3.4). Fix some
damping factor µ and say that at each time step with
probability (1-µ) we stick to random walking and
with probability µ we do not make a usual random
walk step...
Báo cáo khoa học: "Embedding New Information into Referring Expressions" ppt
...
or a rhetorical relation between them, while tex-
tual parataxis deals with any adjacent facts from text
planning, with no rhetorical connection between. In
step 3), both types of parataxis ... expressions, which
addresses the referring part, while little has ad-
dressed the generation issues with respect to the
other part, except that in (Scott and de Souza, 1990),
the relation...
Tài liệu Báo cáo khoa học: Amprenavir complexes with HIV-1 protease and its drug-resistant mutants altering hydrophobic clusters docx
... PR with the V32I mutation; PR
I50V
, PR with the I50V mutation; PR
I54M
, PR with
the I54M mutation; PR
I54V
, PR with the I54V mutation; PR
I84V
, PR with the I84V mutation; PR
L90M
, PR with ... compared with PR
WT
–SQV. (B) PR
I50V
–APV compared with PR
I50V
–SQV. (C)
PR
I54M
–APV compared with PR
I54M
–SQV. (D) PR
I54V
–APV compared with PR
I54V
–SQV. (E) PR
I84V
–APV...
Tài liệu Báo cáo khoa học: A tyrosinase with an abnormally high tyrosine hydroxylase/dopa oxidase ratio Role of the seventh histidine and accessibility to the active site docx
... R3. The PCR product with a size of 1.6 kb
was digested with BamHI to obtain a fragment between
the two copper-binding site coding regions and ligated
to pBlueScript pKSII(+) with T4 DNA ligase ... R3-1501
–
than R3-
0337
–
. This pattern agrees with the presence of two
different enzymes with overlapping activities.
Purification of two enzymes with different
affinities for monophen...
Tài liệu Báo cáo khoa học: "Semantic Parsing with Bayesian Tree Transducers" doc
... regular tree language.
A regular tree grammar (RTG) closely resembles
a context free grammar (CFG), and is a way of de-
scribing a language of trees. Formally, define T
Σ
as
the set of trees with ... a pattern with which to expand
it and then filling out that pattern with words drawn
from a unigram distribution.
This kind of coupled generative process can
be naturally formalized with...
Tài liệu Báo cáo khoa học: "Word Alignment with Synonym Regularization" doc
... alignment model. We formulate a syn-
onym pair generative model with a topic variable
and use this model as a regularization term with a
bilingual word alignment model. The topic vari-
able in ... parameter set of our model.
3.2 Word Alignment with Synonym
Regularization
In this section, we extend the bilingual genera-
tive model (HM-BiTAM) with our synonym pair
model. Our expectation...
Tài liệu Báo cáo khoa học: "Coreference Resolution with Reconcile" pdf
... infrastructure to sup-
port the creation of, experimentation with, and
evaluation of coreference resolvers. Reconcile
was designed with the following seven desiderata
in mind:
• implement the ... present).
The basic architecture of the system includes
five major steps. Starting with a corpus of docu-
ments together with a manually annotated corefer-
ence resolution answer key
1
, Reconc...
Tài liệu Báo cáo khoa học: "A Syntax-Driven Bracketing Model for Phrase-Based Translation" pptx
... instance with the minimal τ(c
i k
), 2)
the bracketable instance with the maximal τ(c
i k
),
3) the unbracketable instance with the minimal
τ(c
i k
), and 4) the unbracketable instance with the
maximal ... the effects of syntax- driven
features and differences of 1-best translation out-
puts.
5.1 Effects of Syntax- Driven Features
We conducted further experiments using individ-
ual...