Báo cáo khoa học: "Due caution using early β-blockers for acute myocardial infarction" ppt
Báo cáo khoa học: "Due caution using early β-blockers for acute myocardial infarction" ppt
... both IV
and oral β-blockers are often utilized for initial management
of acute MI. The potential benefits of early therapy are well
understood, and include reduced risks for ventricular
fibrillation ... or coronary intervention,
and β-blockers may therefore take on a relatively more
important role.
Recommendation
Early β-blocker use in the setting of suspected acute MI...
Báo cáo khoa học: "Paraphrase Recognition Using Machine Learning to Combine Similarity Measures" ppt
... dictionaries for
information extraction by multi-level bootstrapping.
In Proceedings of AAAI, pages 474–479, Orlando,
FL.
Y. Shinyama and S. Sekine. 2003. Paraphrase ac-
quisition for information ... optionally per-
formed feature selection with both forward hill-
climbing (FHC) and forward beam search (FBS).
All of our methods clearly perform better than
BASE. As one might expect, there...
Tài liệu Báo cáo khoa học: "A Syntax-Driven Bracketing Model for Phrase-Based Translation" pptx
... then
8: Update bracketing instances for index j
9: end if
10: end if
11: end for
12: for each j ∈ c do
13:
:= ∪ {bracketing instances from j}
14: end for
15: Output: bracketing instances ... language
model using Xinhua section of the English Gi-
gaword corpus (181.1M words) with the SRILM
toolkit (Stolcke, 2002).
For the efficiency of MERT, we built our de-
velopment set (580 s...
Tài liệu Báo cáo khoa học: "Combination of Arabic Preprocessing Schemes for Statistical Machine Translation" ppt
... 2006.
c
2006 Association for Computational Linguistics
Combination of Arabic Preprocessing Schemes
for Statistical Machine Translation
Fatiha Sadat
Institute for Information Technology
National ... reading leads the
coexistence of two forms of the noun ktbp
and ktbt. This increased sparsity is only
worsened by the fact that the second form is also
the verbal form (thus increased ambigu...
Tài liệu Báo cáo khoa học: "A Phrase-based Statistical Model for SMS Text Normalization" ppt
... substitution transformations, but
inadequate to address the insertion transforma-
tion. For example, the lingoes
“duno”, “ysnite”
have to be normalized using an insertion trans-
formation to become ... BLEU score for normalized mes-
sages against 0.1926 for raw messages. The
significant performance improvement suggests
that preprocessing of normalizing SMS text us-
ing our method...
Tài liệu Báo cáo khoa học: "A Hybrid Convolution Tree Kernel for Semantic Role Labeling" pptx
... time complexity
are too high for the algorithm to be realized.
4 Hybrid Convolution Tree Kernels for
SRL
In this section, we introduce the previous ker-
nel method for SRL in Subsection 4.1, discuss
our ... evaluate the
performances of systems. It is formulated as:
F
β=1
= 2pr/(p + r). srl-eval.pl
2
is the official
program of the CoNLL-2005 SRL shared task to
evaluate a system performanc...
Tài liệu Báo cáo khoa học: "Combining Functionality and Object Orientedness for Natural Language Processing" ppt
... Domain
A class is defined for each constant of PAL. A class object
for a lexical item contains linguistic knowledge in a procedural
form. In other words, a class contains information as to how a ... to share methods for these cases. Any exceptional
method can be attached to lower level items.
For example, we can define a class "action verb" which has
methods for instru...
Báo cáo khoa học: Adaptation of intronic homing endonuclease for successful horizontal transmission pptx
... are
as follows; Mes for pH 6.0, Hepes for pH 7.0, Tris for
pH 8.0 and 9.0, TAPS for pH 10.0. The reaction was incu-
bated for 24 h with I-CsmI(237) and I-CsmI(200), and
incubated for 6 h with I-CsmI(217), ... the adaptation
for successful horizontal transfer. Investigations per-
formed for the intronic homing enzymes that have a
recognition sequence in ribosomal RNA genes are...
Báo cáo khoa học: "A Computational Theory of ProseStyle for Natural Language Generation" ppt
... & Pustejovsky J. (1985a) WAGs as a
Grammatical Formalism for Generation", pr~eedings of
the 23rd Annual Meeting of the Association for
Computational Linguistics, University of Chicago. ...
class for the prototype field. The decision to select this
phrase over the sentential form in Figure 5 is made by a
styllst/e rule. This rule (cf. Figure 6) states that the
adjectival...
Báo cáo khoa học: "Discriminative Pruning of Language Models for Chinese Word Segmentation" ppt
... of each bigram is
computed as
Figure 3 shows.
1. For each w
x
w
y
, set imp(w
x
w
y
) = 0;
2.
For each sentence in training corpus:
For each w
x
w
y
:
if W and W :
0
*
W
F
=
B
≠
F
≠
B
=
0
*
W
imp(w
x
w
y
) ... baseline method, we obtain models that
achieve better performance for any model size.
Correlation between language model perplexity
and system performance is also di...
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