Báo cáo khoa hoc:"Bayesian QTL mapping using skewed Student-t distributions" potx
Báo cáo khoa hoc:"Bayesian QTL mapping using skewed Student-t distributions" potx
... t
i
v)
−
ν+1
2
×
k
j=1
I
[δ
min
,δ
max
]
δ
j
QTL mapping using skewed Student-t distributions 15
Figure 1. Marginal posterior densities of QTL additive and QTL dominance variance
under the χ
2
scenario with a QTL.
Figure 2. ... QTL.
Figure 2. Marginal posterior densities of QTL additive and QTL dominance variance
under the χ
2
scenario without a QTL.
QTL...
Báo cáo khoa học: "Bayesian Learning of a Tree Substitution Grammar" potx
... in Perl. TSG subtrees were flat-
tened to CFG rules and reconstructed afterward,
with identical mappings favoring the most proba-
ble rule. For pruning, we binned nonterminals ac-
cording to input ... processing tasks that search for a hid-
den segmentation. Recently, many groups have
had success using Gibbs sampling to address the
complexity issue and nonparametric priors to ad-
dress the o...
Báo cáo khoa học: "Automatic Image Annotation Using Auxiliary Text Information" potx
... k-best words as the an-
notations for I. We present results using the top 10,
15, and 20 annotation words. We assess our model’s
performance using precision/recall and F1. In our
task, precision is ... et al.
(2003) output 5), they give some indication of the
decrease in performance incurred when using a more
challenging dataset. Unlike Corel, our images have
greater variety, non-overla...
Báo cáo khoa học: "Automatic Story Segmentation using a Bayesian Decision Framework for Statistical Models of Lexical Chain Features" pdf
... pages 265–268,
Suntec, Singapore, 4 August 2009.
c
2009 ACL and AFNLP
Automatic Story Segmentation using a Bayesian Decision Framework
for Statistical Models of Lexical Chain Features
Wai-Kit ... count of
chains continuing through it. We devise a
Bayesian framework to capture such be-
havior, using the lexical chain features of
start, continuation and end. In the scoring
criteri...
Báo cáo khoa hoc:" Bayesian inference in the semiparametric log normal frailty model using Gibbs sampling" docx
...
question
of
propriety
of
the
posterior
distribution
using
improper
prior
distributions
must
be
dealt
with
in
a
Bayesian
analysis
using
a
Laplace
integration
as
well.
One
way ...
in
a
semiparametric
log
normal
frailty
model
using
Gibbs
sampling
and
adap-
tive
rejection
sampling.
It
is
shown
that
by
using
data
augmentation,
marginal
posterior...
Tài liệu Báo cáo khoa học: "Bayesian Symbol-Refined Tree Substitution Grammars for Syntactic Parsing" pptx
... of the stopping probabilities s by using
the development set.
We obtained the parsing results with the MAX-
RULE-PRODUCT algorithm (Petrov et al., 2006) by
using the SR-TSG rules extracted from ... binary
productions. We replace lexical words with count
≤ 5 in the training data with one of 50 unknown
words using lexical features, following (Petrov et al.,
2006). We also split off all th...
Tài liệu Báo cáo khoa học: "Grammar Error Correction Using Pseudo-Error Sentences and Domain Adaptation" pdf
... (similar to lan-
guage models).
The mapping features are all binary. The focusing
phrase and its two surrounding words of the input
are regarded as the window. The mapping features
are defined as the ... this problem, we
permit insertion only immediately after nouns.
2.3 Features
In this paper, we use mapping features and link fea-
tures. The former measure the correspondence be-
tween i...
Tài liệu Báo cáo khoa học: "Identifying Text Polarity Using Random Walks" pptx
... achieves better performance by only using
WordNet synonym, hypernym and similar to rela-
tions. Adding co-occurrence statistics slightly im-
proved performance, while using glosses did not
help at ... handful of seeds is used to define the
two polarity classes. The method is exper-
imentally tested using a manually labeled
set of positive and negative words. It out-
performs the state of...
Tài liệu Báo cáo khoa học: "Automatic Headline Generation using Character Cross-Correlation" doc
... “
and he wrote it
” is compared with
the word “ﺐﺘﻛ” “
he wrote
” using the EWM method
the resulting score will be 0, but when using the
CCC method it will be 0.667. The CCC method
comes from ... have shown the effectiveness of using charac-
ter cross-correlation in choosing the best headline
out of nominated sentences from Arabic document.
The advantage of using character cross-...
Tài liệu Báo cáo khoa học: "Generating research websites using summarisation techniques" pptx
... for
all papers in publication pages (due to copyright and
other issues). The titles are then parsed using the
RASP parser (Briscoe and Carroll, 2002) and key-
phrases are extracted by pattern matching.