Báo cáo khoa học: "Three Generative, Lexicalised Models for Statistical Parsing" docx
Báo cáo khoa học: "Three Generative, Lexicalised Models for Statistical Parsing" docx
... Three Generative, Lexicalised Models for Statistical Parsing
Michael
Collins*
Dept. of Computer and Information Science
University of Pennsylvania ... both make heavy use of lexical informa-
tion, have reported the best statistical parsing per-
formance on Wall Street Journal text. Neither of
these models is generative, instead they both esti- ...
STOP
symbols for e...
Tài liệu Báo cáo khoa học: "Refined Lexicon Models for Statistical Machine Translation using a Maximum Entropy Approach" pptx
... language.
Those lexicon models lack from context infor-
mation that can be extracted from the same paral-
lel corpus. This additional information could be:
Simple context information: information of
the ... Spain
fcn@iti.upv.es
Abstract
Typically, the lexicon models used in
statistical machine translation systems
do not include any kind of linguistic
or contextual information, which oft...
Báo cáo khoa học: "Continuous Space Language Models for Statistical Machine Translation" pdf
... because
can
it
they
we
that
can
can
can
be
be
have
be
have
be
have
it
it
has
forgotten
has
forgotten
has
has
forgotten
forgotten
been
forgotten
been
forgotten
forgotten
.
.
forgotten
.
.
.
.
.
.
Figure 1: Example of a translation ... Sessions, pages 723–730,
Sydney, July 2006.
c
2006 Association for Computational Linguistics
Continuous Space Language Models for Statistical Machine Tr...
Tài liệu Báo cáo khoa học: "Mixing Multiple Translation Models in Statistical Machine Translation" docx
... Association for Computational Linguistics, pages 940–949,
Jeju, Republic of Korea, 8-14 July 2012.
c
2012 Association for Computational Linguistics
Mixing Multiple Translation Models in Statistical ... training (Och, 2003). We learn separate
weights for relative-frequency and lexical estimates
for both p
m
(¯e|
¯
f) and p
m
(
¯
f|¯e). Thus, for 2 compo-
nent models (from IN a...
Tài liệu Báo cáo khoa học: "Incremental Syntactic Language Models for Phrase-based Translation" pptx
... Yamada.
2003. Syntax-based language models for statistical
machine translation. In Proceedings of the Ninth Ma-
chine Translation Summit of the International Associ-
ation for Machine Translation.
Ciprian ... source
toolkit for statistical machine translation. In Proceed-
ings of the 45th Annual Meeting of the Association for
Computational Linguistics, pages 177–180.
Philipp Koe...
Tài liệu Báo cáo khoa học: "Phrase-Based Backoff Models for Machine Translation of Highly Inflected Languages" docx
... backoff models for combining in-domain and
42
out-of-domain data for the purpose of bootstrap-
ping a part-of-speech tagger for Chinese, outper-
forming standard methods such as EM.
4 Backoff Models ... (Zitouni et al., 2003) for language
modeling and by (Gildea, 2001) for semantic role
labeling. (Resnik et al., 2001) used backoff trans-
lation lexicons for cross-language info...
Báo cáo khoa học: "Applying Morphology Generation Models to Machine Translation" docx
... addition to the translation models.
6 MT performance results
Before delving into the results for each method, we
discuss our evaluation measures. For automatically
measuring performance, we used 4-gram ... achieved performance of the model im-
proved; the best performance achieved by Method 2
is .63 points higher than the performance of Method
1. We should note that the oracle performan...
Báo cáo khoa học: "Bilingual Topic AdMixture Models for Word Alignment" ppt
... smoothing for the BiTAM models.
We train, for comparison, IBM-1&4 and HMM
models with 8 iterations of IBM-1, 7 for HMM
and 3 for IBM-4 (1
8
h
7
4
3
) with Null word and a
maximum fertility of 3 for ... notations in (Brown et al., 1993) for
English-French, i.e., e ↔ f , although our models are tested,
in this paper, for English-Chinese. We use the end-user ter-
minology...
Báo cáo khoa học: "Utilizing Dependency Language Models for Graph-based Dependency Parsing Models" pptx
... for Computational Linguistics
Utilizing Dependency Language Models for Graph-based Dependency
Parsing Models
Wenliang Chen, Min Zhang
∗
, and Haizhou Li
Human Language Technology, Institute for ... fea-
tures consistently outperformed the Baselines. For
the basic models (MST1/2), we obtained absolute
improvements of 0.94 and 0.63 points respectively.
For the enhanced models...
Báo cáo khoa học: "Reduced n-gram models for English and Chinese corpora" ppt
...
reporting of results for limited sizes of n-grams
to be inappropriate, although these are valid for a
traditional n-gram model. Therefore we show
results for several n-gram sizes for the traditional ... Post for May
1994-August 1997, New York Times News
Syndicate for July 1994-December 1996, Reuters
News Service (General & Financial) for April
1994-December 1996 and...
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