probabilities from speech corpora
Tài liệu Báo cáo khoa học: "Bilingual Terminology Acquisition from Comparable Corpora and Phrasal Translation to Cross-Language Information Retrieval" pptx
Ngày tải lên :
20/02/2014, 16:20
... Japanese-English language pair,
especially if involving the comparable corpora.
Re-scoring through the Comparable Corpora
Comparable corpora could be considered for the
disambiguation of translation ... comparable corpora- based techniques, re-
spectively compared to the hybrid two-stages com-
parable corpora and linguistics-based pruning.
The proposed approach based on bi-directional
comparable corpora ... TR2-007.
P. Fung. 2000. A Statistical View of Bilingual Lexi-
con Extraction: From Parallel Corpora to Non-Parallel
Corpora. In Jean Veronis, Ed. Parallel Text Process-
ing.
G. Grefenstette. 1999....
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Tài liệu Báo cáo khoa học: "Prefix Probabilities from Stochastic Tree Adjoining Grammars*" pptx
Ngày tải lên :
20/02/2014, 18:20
... obtained from the first set allows the
effective computation of the prefix probability.
4 Computing
Prefix Probabilities
This section develops an algorithm for the com-
putation of prefix probabilities ...
to be the
label of the node, which is either a terminal from
E or the empty string e. For each other node
N, label(N)
is an element from
NT.
At a node N in a tree such that
label(N) •
NT ... N of some derived elementary
tree; and (ii) t's root spans from position i to
position j in w, t's foot node spans from posi-
tion fl to position
f2
in w. In case N does not
dominate...
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Tài liệu Báo cáo khoa học: "Effect of Cross-Language IR in Bilingual Lexicon Acquisition from Comparable Corpora" pot
Ngày tải lên :
22/02/2014, 02:20
... translation
knowledge acquisition from WWW
news sites, this paper studies issues on
the effect of cross-language retrieval of
relevant texts in bilingual lexicon ac-
quisition from comparable corpora. We
experimentally ... parallel/comparative
corpora. However, the sizes as well as the domain
of existing parallel/comparative corpora are lim-
ited, while it is very expensive to manually col-
lect parallel/comparative corpora. ... translation
knowledge acquisition from parallel/comparative
corpora, various kinds of translation knowledge
are acquired.
Within this framework of translation knowledge
acquisition from WWW news sites, this...
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Báo cáo khoa học: "Detecting Highly Confident Word Translations from Comparable Corpora without Any Prior Knowledge" doc
Ngày tải lên :
08/03/2014, 21:20
... of bilingual lexicon extraction
from parallel corpora. This assumption should
also be reasonable for many types of comparable
corpora such as Wikipedia or news corpora, which
are topically aligned ... trans-
lation candidates from multilingual comparable
corpora. By employing the algorithm we have
improved precision scores of the methods rely-
ing on per-topic word distributions from a cross-
language ... efficiently bridge the gap between
languages. That seed lexicon is usually crawled
from the Web or obtained from parallel corpora.
Recently, Li et al. (2011) have proposed an ap-
proach that improves...
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Báo cáo khoa học: "Toolkit for Multi-Level Alignment and Information Extraction from Comparable Corpora" pptx
Ngày tải lên :
16/03/2014, 20:20
... defined in the toolkit: “parallel data
mining from comparable corpora and “named
entity/terminology extraction and mapping from
comparable corpora .
The next section provides a general overview ... sentence
pairs are extracted from the aligned comparable
corpora (section 2.2).
The workflow for named entity (NE) and
terminology extraction and mapping from
comparable corpora extracts data in ...
corpus from comparable patents and its experimental
application to SMT. Proceedings of the 3
rd
workshop
on building and using comparable corpora: from
parallel to non-parallel corpora, ...
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Báo cáo khoa học: "Building Emotion Lexicon from Weblog Corpora" potx
Ngày tải lên :
17/03/2014, 04:20
... 133–136,
Prague, June 2007.
c
2007 Association for Computational Linguistics
Building Emotion Lexicon from Weblog Corpora
Changhua Yang Kevin Hsin-Yih Lin Hsin-Hsi Chen
Department of Computer Science and ... mine the relationships between
words and emotions using weblog corpora.
A collocation model is proposed to learn
emotion lexicons from weblog articles.
Emotion classification at sentence level ... Blog from
January to July, 2006, spanning a period of 212
days. In total, 336,161 bloggers’ articles were col-
lected. Each blogger posts 16 articles on average.
We used the articles from...
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Báo cáo khoa học: "Discovering Relations among Named Entities from Large Corpora" pot
Ngày tải lên :
17/03/2014, 06:20
... discovering relations
among various entities from large text corpora. Our
method does not need the richly annotated corpora
required for supervised learning — corpora which
take great time and effort ... discov-
ery, however, needed large annotated corpora which
cost a great deal of time and effort. We propose
an unsupervised method for relation discovery from
large corpora. The key idea is clustering ... these mea-
Discovering Relations among Named Entities from Large Corpora
Takaaki Hasegawa
Cyberspace Laboratories
Nippon Telegraph and Telephone Corporation
1-1 Hikarinooka, Yokosuka,
Kanagawa 239-0847,...
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Báo cáo khoa học: "Constructing Transliteration Lexicons from Web Corpora" docx
Ngày tải lên :
17/03/2014, 06:20
... targeted language pair. To generate
confusion matrices from automated speech
recognition requires the effort of collecting many
speech corpora for model training, costing time and
labor. Automatically ... Regularly
exploring Web corpora is a good way to update
dictionaries.
Transliterated-term extraction using non-parallel
corpora has also been conducted (Kuo, 2003).
Automated speech recognition-generated ... importance of term
transliteration can be realized from our analysis of
the terms used in 200 qualifying sentences that were
randomly selected from English-Chinese mixed news
pages. Each qualifying...
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Báo cáo khoa học: "Constructing Semantic Space Models from Parsed Corpora" potx
Ngày tải lên :
17/03/2014, 06:20
... also differ from Livesay and Burgess
(1997) who found that mediated primes were fur-
ther from their targets than unrelated controls, us-
ing however a model and corpus different from the
ones ... revealed that
category coordination is reliably distinguished from
all other relations and that phrasal association is re-
liably different from antonymy and synonymy. Tax-
onomy related relations ... traditional vector-
based model (F(2,138) = 9.384, p < .001).
Constructing Semantic Space Models from Parsed Corpora
Sebastian Padó
Department of Computational Linguistics
Saarland University
PO Box...
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Báo cáo khoa học: "Flow Network Models for Word Alignment and Terminology Extraction from Bilingual Corpora" docx
Ngày tải lên :
17/03/2014, 07:20
... from the source to all the
English words (including the empty one),
edges from all the French words (including
the empty one) to the sink, an edge from
the sink to the source, and edges from ... or through two edges,
one from
bandwidth
to
largeur de bande.,
and one from
bandwidth
to either
largeur
or
hap.de
(type 2), or even through the two
edges from
bandwidth
to
largeur ... distortion parameters, multiword no-
tions, or information on part-of -speech, infor-
mation derived from bilingual dictionaries or
from thesauri. The integration of new param-
eters is in general...
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Báo cáo khoa học: "PRECISE N-GRAM PROBABILITIES FROM STOCHASTIC CONTEXT-FREE GRAMMARS" pptx
Ngày tải lên :
17/03/2014, 09:20
...
we assume all SCFGs to be in CNF.
Probabilities from expectations
The first key insight towards a solution is that the n-gram
probabilities can be obtained from the associated
expected
frequencies ...
periment 2, a different set of bigram probabilities was used,
computed from the context-free grammar, whose probabil-
ities had previously been estimated from the same training
corpus, using ... task,
where it helped to improve bigram estimates obtained from
relatively small amounts of data.
Deriving n-gram probabilities from more sophisticated
language models appears to be a generally...
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Báo cáo khoa học: "Learning Translations of Named-Entity Phrases from Parallel Corpora" ppt
Ngày tải lên :
17/03/2014, 22:20
... Named-Entity Phrases from Parallel Corpora
Robert C. Moore
Microsoft Research
Redmond, WA 98052, USA
bobmoore@microsoft.com
Abstract
We develop a new approach to learn-
ing phrase translations from parallel ... same measures used by
Melamed (2000) in his work on learning single-word trans-
lations from parallel corpora. We use the coverage metric
rather than recall, because in this data, phrases often ... not actually a gener-
ative model, the probabilities being combined are
comparable, and it seems to work well in practice.
Since in named-entity translation from English
to Spanish or French, capitalization...
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