Báo cáo khoa học: "A Syllable Based Word Recognition Model for Korean Noun Extraction" potx
Báo cáo khoa học: "A Syllable Based Word Recognition Model for Korean Noun Extraction" potx
... conju-
gated forms of verbs. Syllable statistics have been
also used for automatic word spacing (Shim, 1996;
Kang and Woo, 2001; Lee et al., 2002).
The syllable based word recognition model is rep-
resented ... suitable for the word recognition
model. The corpus can be modified through the fol-
lowing steps:
Step 1 For a given Eojeol, segment word bound-
aries and as...
Tài liệu Báo cáo khoa học: "A Discriminative Syntactic Word Order Model for Machine Translation" pdf
... is useful for addressing the search and modeling
problems for MT ordering.
4 A Global Order Model for Target
Dependency Trees
In the rest of the paper we present our new word or-
der model and ... local tree order model outperformed either
model by a large margin. This indicates that combin-
ing syntactic (from the LTOM model) and surface-
based (from the language model) i...
Tài liệu Báo cáo khoa học: "A Graph-based Semi-Supervised Learning for Question-Answering" doc
... matching with the S
Noun and verb counts in common, separately.
–When words don’t match we attempt matching
synonyms in WordNet for most common senses.
–Verb match statistics using WordNet’s cause ... Summarization SSL.
of the models. As more labeled data is introduced,
Hybrid SVM models’ performance increase dras-
tically, even outperforming the state-of-the art
MRR performance on TREC04...
Tài liệu Báo cáo khoa học: "A FrameNet-based Semantic Role Labeler for Swedish" pdf
... L
before
, L
target
, and L
after
, which correspond
to the parts of the list that is before, at, and after the target word, respectively.
Initialize chunk-open to FALSE
for L
sub
in {L
before
, ... target word.
When the target word is a verb, the baseline puts
FE brackets around the words included in each of
these subtrees
1
. When the target is a noun, we also
bracket the target wo...
Báo cáo khoa học: "A TAG-based noisy channel model of speech repairs" pdf
... ob-
tained using the bigram model. Because the
language model is responsible for generating the
well-formed sentence X, it is reasonable to ex-
pect that a language model that can model more
global properties ... speech recognition and machine
translation, and in these applications syntax-
based language models P(Y ) yield state-of-the-
art performance, so we use one such model...
Báo cáo khoa học: "A Syntax-based Statistical Translation Model" potx
... .
3. For each pair in the training corpus,
For all , such that Str ,
Let cnt = P
Str
P
For ,
+= cnt
+= cnt
+= cnt
4. For each , , and ,
5. Repeat steps 2-4 for several iterations.
A straightforward ... the model, each node
was re-labelled with the POS of the node’s head
word, and some POS labels were collapsed. For
example, labels for different verb endings (such
as VBD for...
Báo cáo khoa học: "Maximum Entropy Based Phrase Reordering Model for Statistical Machine Translation" docx
... similar and
stable performance ranks in different domains and
the MaxEnt -based reordering models achieve the
best performance among them. Using all features
for the MaxEnt model (lex + col) is ... entropy based reordering model is em-
bedded inside a log-linear phrase -based model of
translation. Following the Bracketing Transduc-
tion Grammar (BTG) (Wu, 1996), we built a
CKY-sty...
Báo cáo khoa học: "A Modified Joint Source-Channel Model for Transliteration" ppt
... the need for
English pronunciations. The phonetics -based and
spelling -based models have been linearly
combined into a single transliteration model in
(Al-Onaizan and Knight, 2002b) for
transliteration ... transformation
rules to do back-transliteration. (Stalls and
Knight, 1998) adapted this approach for back
transliteration from Arabic to English for English
names. A s...
Báo cáo khoa học: "A Pylonic Decision-Tree Language Model with Optimal Question Selection" potx
... models classify
the word histories by their last N - 1 words.
N varies from 2 to 4 and the trigram model
P{wn [Wn-2, wn-1}
is commonly used. Al-
though these simple models perform surpris-
ingly ...
wi
denotes the
i-th word in the text.
Even for a small vocabulary, the space of
word histories is so large that any attempt to
estimate the conditional probabilities for eac...
Báo cáo khoa học: "A Feature-Rich Constituent Context Model for Grammar Induction" doc
... LLCCM outperforms CCM by
13.9% (unlabeled) bracketing F1 and, unlike CCM,
outperforms a right-branching baseline on sentences
longer than 15 words.
17
2 Model
The CCM is a generative model for the ... using a log-linear model:
P
t
(y|x) =
exp w, f
xyt
y
exp
w, f
xy
t
(1)
This technique for parameter transformation was
shown to be effective in unsupervised models for
p...
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