a generative probabilistic ocr model for nlp applications
Tài liệu Báo cáo khoa học: "GPSM: A GENERALIZED PROBABILISTIC SEMANTIC MODEL FOR AMBIGUITY RESOLUTION" pptx
Ngày tải lên :
20/02/2014, 21:20
... measure shows substantial im-
provement in structural disambiguation over
a syntax-based approach.
1. Introduction
In a large natural language processing system,
such as a machine translation ... R&D Road II, Science-Based Industrial Park
Hsinchu, TAIWAN 30077, R.O.C.
ABSTRACT
In natural language processing, ambiguity res-
olution is a central issue, and can be regarded
as a ... information. Hence, we will
show how to annotate a syntax tree so that various
interpretations can be characterized differently.
Semantic Tagging
A popular linguistic approach to annotate a...
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Tài liệu Báo cáo khoa học: "A Syntax-Driven Bracketing Model for Phrase-Based Translation" pptx
Ngày tải lên :
20/02/2014, 07:20
... various
language-pairs, one issue is that matching syn-
tactic analysis can not always guarantee a good
translation, and violating syntactic structure does
not always induce a bad translation. Marton and
Resnik ... Singapore, 2-7 August 2009.
c
2009 ACL and AFNLP
A Syntax-Driven Bracketing Model for Phrase-Based Translation
Deyi Xiong, Min Zhang, Aiti Aw and Haizhou Li
Human Language Technology
Institute for ... Reordering Model for
Statistical Machine Translation. In Proceedings of
ACL-COLING 2006.
Deyi Xiong, Min Zhang, Aiti Aw, and Haizhou Li.
2008. Linguistically Annotated BTG for Statistical
Machine Translation....
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Tài liệu Báo cáo khoa học: "A Unified Syntactic Model for Parsing Fluent and Disfluent Speech∗" ppt
Ngày tải lên :
20/02/2014, 09:20
... Communication Re-
search Centre, University of Edinburgh.
John Hale, Izhak Shafran, Lisa Yung, Bonnie Dorr, Mary
Harper, Anna Krasnyanskaya, Matthew Lease, Yang
Liu, Brian Roark, Matthew Snover, and ... 1 and 2, in which the same
repair fragment is shown in a standard state such as
might be used to train a probabilistic context free
grammar, and after the right-corner transform. Fig-
ure 1 also ... modified for use in a special
repair grammar, which not only reduces the amount
of available training data, but violates our intuition
that most reparanda are fluent up until the actual edit
occurs.
The...
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Tài liệu Báo cáo khoa học: "A Phrase-based Statistical Model for SMS Text Normalization" ppt
Ngày tải lên :
20/02/2014, 12:20
... groups and domains can
be modeled separately without accessing and
adapting the language model of the MT system
for each SMS application. Another advantage is
that the normalization module can ...
normalization as a translation problem
from the SMS language to the English
language
1
and we propose to adapt a
phrase-based statistical MT model for the
task. Evaluation by 5-fold cross validation ... a consensus translation technique to bootstrap
parallel data using off-the-shelf translation sys-
tems for training a hierarchical statistical transla-
tion model for general domain instant...
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Tài liệu Báo cáo khoa học: Trophoblast-like human choriocarcinoma cells serve as a suitable in vitro model for selective cholesteryl ester uptake from high density lipoproteins pdf
Ngày tải lên :
20/02/2014, 23:20
... & Takahara, J. (1999)
Evidence for a potential role for HDL as an important source of
cholesterol in human adrenocortical tumors via the CLA-1 path-
way. Endocr. J. 46, 27–34.
63. Cherradi,N.,Bideau,M.,Arnaudeau,S.,Demaurex,N.,James,
R.W., ... proliferation and
invasion. Choriocarcinoma is a malignant neoplasm that
represents the early trophoblast of the attachment phase or
as later invasive stage [46–48]. Thus, in most cases,
choriocarcinoma ... choriocarcinoma
cells were incubated as described above. Total RNA was isolated, and
Northern blot analysis was performed using radiolabeled SR-BI
cDNA probe for each cell line (top panel) in the absence...
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Tài liệu Báo cáo khoa học: "Deriving Verbal and Compositional Lexical Aspect for NLP Applications" pptx
Ngày tải lên :
22/02/2014, 03:20
...
bridge and New York.
Weinberg, Amy, Joseph Garman. Jeffery Martin.
and Paola Merlo. 1995. Principle-Based Parser
for Foreign Language Training in German and
Arabic. In Melissa Holland, Jonathan ... representations,
as in the examples provided from machine transla-
tion and foreign language tutoring applications. We
are aware of no attempt in the literature to represent
and access aspect on a ... of Lezical and Grammat-
ical Aspect.
Garland, New York.
Passoneau, Rebecca. 1988. A Computational Model
of the Semantics of Tense and Aspect.
Compu-
tational Linguistics: Special Issue...
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Báo cáo khoa học: "A Scalable Probabilistic Classifier for Language Modeling" pdf
Ngày tải lên :
07/03/2014, 22:20
... Ducharme, P. Vincent, and C. Jauvin. 2003.
A Neural Probabilistic Language Model. Journal of
Machine Learning Research, 3:1137–1155.
A. Berger, V. Della Pietra, and S. Della Pietra. 1996.
A Maximum ... Categorization
Research. Journal of Machine Learning Research,
5:361–397.
A. Mnih and G. Hinton. 2008. A Scalable Hierarchical
Distributed Language Model. In Advances in Neural
Information Processing ... model
whose relative performance compared to N-Gram
models gets better as one incorporates richer fea-
ture sets. It scales almost as well to large datasets
as standard N-Gram models: training requires...
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Báo cáo khoa học: "A DOM Tree Alignment Model for Mining Parallel Data from the Web" doc
Ngày tải lên :
08/03/2014, 02:21
... is substantial re-
search focusing on syntactic tree alignment
model for machine translation. For example, (Wu
1997; Alshawi, Bangalore, and Douglas, 2000;
Yamada and Knight, 2001) have studied ... for Machine
Translation in the Americas.
Munteanu D. S, A. Fraser, and D. Marcu. D., 2002.
Improved Machine Translation Performance via
Parallel Sentence Extraction from Comparable
Corpora. ... three features, the maximum en-
tropy model is trained on 1,000 pairs of web
pages manually labeled as parallel or non-
parallel. The Iterative Scaling algorithm (Pietra,
Pietra and Lafferty...
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Báo cáo khoa học: "A Generalized Vector Space Model for Text Retrieval Based on Semantic Relatedness" pot
Ngày tải lên :
08/03/2014, 21:20
... measure of relatedness does (low
y values for small x values and high y values for
high x). The same pattern applies in the M&C and
353-C data sets.
4.2 Evaluation of the GVSM
For the evaluation ... query, are computed similarly. A GVSM
model aims at being able to retrieve documents
that not necessarily contain exact matches of the
query terms, and this is its great advantage. This
new space ... Linguistics
A Generalized Vector Space Model for Text Retrieval
Based on Semantic Relatedness
George Tsatsaronis and Vicky Panagiotopoulou
Department of Informatics
Athens University of Economics and Business,
76,...
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Chord: A Scalable Peertopeer Lookup Service for Internet Applications pot
Ngày tải lên :
15/03/2014, 22:20
... ring. Assuming that the data Chord
is being used to locate is cryptographically authenticated, this is a
threat to availability of data rather than to authenticity. The same
approach used above ... de-
sired authentication, caching, replication, and user-friendly naming
of data. Chord’s flat key space eases the implementation of these
features. For example, an application could authenticate data ... mechanism also helps higher layer software
replicate data. A typical application using Chord might store repli-
cas of the data associated with a key at the nodes succeeding the
key. The fact that...
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Báo cáo khoa học: "A Class-Based Agreement Model for Generating Accurately Inflected Translations" pptx
Ngày tải lên :
16/03/2014, 19:20
... exponential translation model for target
language morphology. In ACL-HLT.
C. Tillmann. 2004. A unigram orientation model for statistical
machine translation. In NAACL.
K. Toutanova, H. Suzuki, and A. ... similar agreement phenom-
ena as probabilistic sequences.
Factored Translation Models
Factored transla-
tion models (Koehn and Hoang, 2007) facilitate a
more data-oriented approach to agreement modeling.
Words ... phrase ta-
ble annotations and can be easily implemented
as a feature in many phrase-based decoders.
1 Introduction
Languages vary in the degree to which surface forms
reflect grammatical relations....
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Báo cáo khoa học: "A Stacked Sub-Word Model for Joint Chinese Word Segmentation and Part-of-Speech Tagging" potx
Ngày tải lên :
17/03/2014, 00:20
... information for each character.
Each character can be assigned one of two possi-
ble boundary tags: “B” for a character that begins a
word and “I” for a character that occurs in the mid-
dle of a word. ... representa-
tion (Ramshaw and Marcus, 1995) and the Start/End
representation (Kudo and Matsumoto, 2001) are
popular. For example, the label B-NN indicates that
a character is located at the begging of a noun. ... POS information is allowed to inter-
act with segmentation. Note that word segmentation
can also be formulated as a sequential classification
problem to predict whether a character is located at
the...
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Báo cáo khoa học: "Fast, Space-Efficient, non-Heuristic, Polynomial Kernel Computation for NLP Applications" docx
Ngày tải lên :
17/03/2014, 02:20
... implementation is available
as the open-source splitSVM Java library.
1 Introduction
Over the last decade, many natural language pro-
cessing tasks are being cast as classification prob-
lems. These are ... achieved by taking into account the Zipfian nature
of natural language data, and structuring the compu-
tation accordingly. On a sample application (replac-
ing the libsvm classifier used by MaltParser ... Changing
existing Java code to accommodate our fast SVM
classifier is done by loading a different model, and
changing a single function call.
4.1 Evaluation: Speeding up MaltParser
We evaluate...
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Báo cáo khoa học: "A Language-Independent Unsupervised Model for Morphological Segmentation" pot
Ngày tải lên :
17/03/2014, 04:20
... thank Emily Pitler and Samarth Ke-
shava for making available the code of the RePortS
algorithm, and Stefan Bordag and Delphine Bern-
hard for running their algorithms on the German
data. Many ... presented
here have been shown to improve accuracy (Kurimo
et al., 2006).
Another motivation for evaluating the system on
a task rather than on manually annotated data is
that linguistically motivated morphological ... semantic and syntactic informa-
tion is very attractive because it adds an additional
dimension, but these approaches have to cope with
more severe data sparseness issues than approaches
that...
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Báo cáo khoa học: "A Hierarchical Phrase-Based Model for Statistical Machine Translation" pptx
Ngày tải lên :
17/03/2014, 05:20
... Linguistics
A Hierarchical Phrase-Based Model for Statistical Machine Translation
David Chiang
Institute for Advanced Computer Studies (UMIACS)
University of Maryland, College Park, MD 20742, USA
dchiang@umiacs.umd.edu
Abstract
We ... USA
dchiang@umiacs.umd.edu
Abstract
We present a statistical phrase-based transla-
tion model that uses hierarchical phrases—
phrases that contain subphrases. The model
is formally a synchronous ... in Natural
Language Processing (EMNLP), pages 388–395.
Shankar Kumar, Yonggang Deng, and William Byrne.
2005. A weighted finite state transducer transla-
tion template model for statistical machine...
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- cyp175a1 fromthermus thermophilusis a thermophilic cytochrome p450 and has great potential for industrial applications however
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- a discriminative latent variable model for statistical machine translation
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- a generative constituentcontext model for improved grammar induction
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