rare word translation extraction
Tài liệu Báo cáo khoa học: "Effective Phrase Translation Extraction from Alignment Models" ppt
Ngày tải lên :
20/02/2014, 16:20
... of phrase length. Tra-
ditional word lexicons propose translations for one
source word, while with phrase translations, a single
hypothesis pair can span several words in the source
or target language. ... the lenth of the phrase,
causing each translation to have a score compara-
ble to the product of the word to word translations
within the phrase.
7 HMM Phrase Extraction
In order to compare our ... maximum
approximation to score candidate translation hy-
potheses. The translation lexicon generated by the
IBM models provides translation estimates at the
word level built on the complete training...
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Tài liệu Báo cáo khoa học: " Word Translation Disambiguation Using Bilingual Bootstrapping" doc
Ngày tải lên :
20/02/2014, 21:20
... correct Chinese
translation of the ambiguous English word, given
an English sentence which contains the word.
Word translation disambiguation is actually a
special case of word sense disambiguation ... an English
word usually has several Chinese words as
translations (cf., Figure 5).
As a translation dictionary, we used the HIT
dictionary, which contains about 76000 Chinese
words, 60000 ... Experiment 2: Yarowsky’s Words
We also conducted translation on seven of the
twelve English words studied in (Yarowsky,
1995). Table 5 shows the list of the words.
For each of the words, we extracted...
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Tài liệu Báo cáo khoa học: "A Tool for Multi-Word Expression Extraction in Modern Greek Using Syntactic Parsing" pdf
Ngày tải lên :
22/02/2014, 02:20
... modules
and resources which enable the retrieval
of Greek multi -word expressions and their
translations: the Greek parser, its lexical
database, the extraction and concordanc-
ing system.
1 Introduction
In ... multilingual society, there is a pressing
need for building translation resources, such as
large-coverage multilingual lexicons, translation
systems or translation aid tools, especially due to
the increasing ... Greece, 3 April 2009.
c
2009 Association for Computational Linguistics
A Tool for Multi -Word Expression Extraction in Modern Greek
Using Syntactic Parsing
Athina Michou
University of Geneva
Geneva,...
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Báo cáo khoa học: "A Bio-inspired Approach for Multi-Word Expression Extraction" doc
Ngày tải lên :
08/03/2014, 02:21
... constantly in
corpus(Taneli,2003).
The extraction of MWE plays an important role
in several areas, such as machine translation (Pas-
cale,1997), information extraction (Kalliopi,2000)
etc. On the ... also a need
for MWE extraction in a much more widespread
scenario namely that of human translation and
technical writing. Many efforts have been de-
voted to the study of MWE extraction (Beat-
rice,2003; ... model.
2 Multi -word Expression
Multi -word Expression( in general, term) as the
linguistic representation of concepts, also has
some special statistical features. The component
words of terms...
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Strategies to deal with non - equivalence at word level in translation
Ngày tải lên :
10/04/2013, 10:37
... as translation by a more
general word and translation by cultural substitution while their English classmates did not use
the following strategies: translation using a loan word or a loan word ... to solve
non-equivalence.
Giménez (2005) notes that translation using a related word; translation by paraphrase using
unrelated words and translation by omission seem to be favored by Spanish ... Vietnamese word is impossible. Using Vietnamese
words “sự tới dự”, the translation will sound non –Vietnamese. Pharaphasing it by a
combination of Vietnamese items has brought out an acceptable translation...
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Tài liệu Báo cáo khoa học: "A Ranking-based Approach to Word Reordering for Statistical Machine Translation" doc
Ngày tải lên :
19/02/2014, 19:20
... the word order in target language. To this end, we
propose a simple but effective ranking-based ap-
proach to word reordering. The ranking model is
automatically derived from the word aligned ... the paper.
2 Word Reordering as Syntax Tree Node
Ranking
Given a source side parse tree T
e
, the task of word
reordering is to transform T
e
to T
e
, so that e
can
match the word order in ... arcs for dependency tree; word
alignment links are lines without arrow between the
source and target sentences.
parse tree, we can obtain the same word order of
Japanese translation. It is true...
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Tài liệu Báo cáo khoa học: "Fine-grained Tree-to-String Translation Rule Extraction" docx
Ngày tải lên :
20/02/2014, 04:20
... was
achieved for Arabic-to-English translation. Birch
et al. (2007) also reported a significant improve-
ment for Dutch-English translation by applying
CCG supertags at a word level to a factorized SMT
system ... tree-to-string rule extraction, rather
than string-to-string translation (Hassan et al.,
2007; Birch et al., 2007).
The Logon project
2
(Oepen et al., 2007) for
Norwegian-English translation integrates ... of the
extraction algorithms (Galley et al., 2006; Mi and
Huang, 2008).
3.3 Predicate-argument structures
In order to extract translation rules from PASs,
we want to localize a predicate word and...
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Tài liệu Báo cáo khoa học: "Learning Word-Class Lattices for Definition and Hypernym Extraction" doc
Ngày tải lên :
20/02/2014, 04:20
... frequent words F to generalize
words to word classes”. We define a word class
as either a word itself or its part of speech. Given
a sentence s = w
1
, w
2
, . . . , w
|s|
, where w
i
is the
i-th word ... order of symbols like in word/ phoneme lat-
tices, and nodes are clusters of salient words ag-
gregated using synonymy, similarity, or subtrees
of a thesaurus. However, salient word selection
and aggregation ... where w
i
is its i-th word.
Given the set F of most frequent words in T (cf.
Section 3.1), the star pattern σ(s) associated with
s is obtained by replacing with * all the words
w
i
∈ F, that...
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Tài liệu Báo cáo khoa học: "Robust Extraction of Named Entity Including Unfamiliar Word" doc
Ngày tải lên :
20/02/2014, 09:20
... USA, June 2008.
c
2008 Association for Computational Linguistics
Robust Extraction of Named Entity Including Unfamiliar Word
Masatoshi Tsuchiya
†
Shinya Hida
‡
Seiichi Nakagawa
‡
†
Information ... method consists of two
steps. The first step is to assign the most simi-
lar and familiar word to each unfamiliar word
based on their context vectors calculated from
a large unannotated corpus. After ... corpus show the effectiveness of the proposed
method.
2 Extraction of Japanese Named Entity
2.1 Task of the IREX Workshop
The task of NE extraction of the IREX workshop
(Sekine and Eriguchi, 2000)...
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Tài liệu Báo cáo khoa học: "A Discriminative Syntactic Word Order Model for Machine Translation" pdf
Ngày tải lên :
20/02/2014, 12:20
... Introduction
The machine translation task can be viewed as con-
sisting of two subtasks: predicting the collection of
words in a translation, and deciding the order of the
predicted words. For some language ... in Machine Translation
We apply our model to machine translation by re-
ordering the translation produced by a baseline MT
system. Our baseline MT system constructs, for
each target translation ... described in Section 4.1
Word Bigram: Word bigrams of the target sen-
tence. Examples from Figure 2: “kore”+“niyori”,
“niyori”+“roku”.
DISP: Displacement feature. For each word posi-
tion in the...
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Tài liệu Báo cáo khoa học: "Term-list Translation using Mono-lingual Word Co-occurrence Vectors*" doc
Ngày tải lên :
20/02/2014, 18:20
... complicated. Some
translation alternatives are polysemous in the target
language. If a polysemous word has a very general
meaning that co-occurs with various words, then this
word is more likely ... multi-dimensional vector space,
called WORD SPACE (Schuetze, 1997) for defin-
ing the coherence of words. The starting point of
WORD SPACE is to represent a word with an n-
dimensional vector ... many
times the word
wi
occurs close to the word. For
simplicity, we consider w~ and wj to occur close in
context if and only if they appear within an m -word
distance (i.e., the words occur...
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Tài liệu Báo cáo khoa học: "Bilingually Motivated Domain-Adapted Word Segmentation for Statistical Machine Translation" pptx
Ngày tải lên :
22/02/2014, 02:20
... that it is very rare to get reliable alignments
between one word and k consecutive words when
k is high.
5
While in this paper we are primarily concerned with lan-
guages where the word boundaries ... lan-
guages marked with word boundaries to construct bilingually
motivated “words”.
551
6.5 Using different word aligners
The above experiments rely on GIZA++ to per-
form word alignment. We next ... iterations).
4 Word Lattice Decoding
4.1 Word Lattices
In the decoding stage, the various segmentation
alternatives can be encoded into a compact rep-
resentation of word lattices. A word lattice...
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Báo cáo khoa học: "Discriminative Modeling of Extraction Sets for Machine Translation" pptx
Ngày tải lên :
07/03/2014, 22:20
... relationship between word alignments and
extraction sets, then define our model.
2.1 Extraction Sets from Word Alignments
Rule extraction is a standard concept in machine
translation: word alignment ... sentences.
Our extraction set model outperforms both un-
supervised and supervised word aligners at pre-
dicting word alignments and extraction sets. We
also demonstrate that extraction sets ... demonstrate that the full extraction set model outperforms supervised and
unsupervised baselines in evaluations of word alignment quality, extraction set quality, and translation.
In word and bispan evaluations,...
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