tagging and parsing models∗
Báo cáo khoa học: "Joint and conditional estimation of tagging and parsing models∗" docx
Ngày tải lên :
08/03/2014, 05:20
... Linguistics,
24(4):613–632.
John Lafferty, Andrew McCallum, and Fernando
Pereira. 2001. Conditional Random Fields: Prob-
abilistic models for segmenting and labeling se-
quence data. In Machine ... Lari and S.J. Young. 1990. The estimation
of Stochastic Context-Free Grammars using the
Inside-Outside algorithm. Computer Speech and
Language, 4(35-56).
Andrew McCallum, Dayne Freitag, and Fernando
Pereira. ... statis-
tically).
4 Shift-reduce parsing
The previous section compared similiar joint and
conditional tagging models. This section com-
pares a pair of joint and conditional parsing mod-
els. The models...
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Báo cáo khoa học: "Incremental Joint Approach to Word Segmentation, POS Tagging, and Dependency Parsing in Chinese" potx
Ngày tải lên :
07/03/2014, 18:20
... SH(t).
1048
interaction between segmentation and POS tagging.
3 Model
3.1 Incremental Joint Segmentation, POS
Tagging, and Dependency Parsing
Based on the joint POS tagging and dependency
parsing model by Hatori ... w.r.t. the training epoch (x-axis) and parsing
feature weights (in legend).
tagging (Zhang and Clark, 2008; Zhang and Clark,
2010) and dependency parsing (Huang and Sagae,
2010). Therefore, we can ... q
−1
and q
−2
respectively denote the last-shifted word and the
word shifted before q
−1
. q.w and q.t respectively denote the
(root) word form and POS tag of a subtree (word) q, and q.b and
q.e...
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Tài liệu Báo cáo khoa học: "Arabic Tokenization, Part-of-Speech Tagging and Morphological Disambiguation in One Fell Swoop" pdf
Ngày tải lên :
20/02/2014, 15:20
... Section 6 to the English tagset, and we fur-
thermore assume (as do Diab et al. (2004)) the gold
standard tokenization. We then evaluate against the
gold standard POS tagging which we have mapped
9
We ... token (including and
excluding punctuation and numbers); BL is the base-
line
sifiers on TR2. The difference in performance be-
tween TE1 and TE2 shows the difference between
the ATB1 and ATB2 (different ... is
beneficial in POS tagging, and we believe our results
are the best published to date for tokenization of nat-
urally occurring input (in undiacritized orthography)
and POS tagging.
We intend...
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Tài liệu Báo cáo khoa học: "Incremental Parsing Models for Dialog Task Structure" doc
Ngày tải lên :
22/02/2014, 02:20
... utter-
ances and automatically annotated with part-of-
speech tag and supertag information and named
entities. They were annotated by hand for dia-
log acts and tasks/subtasks. The dialog act and
task/subtask ... 2006) and on proba-
bilistic context-free grammars (Alexandersson and
Reithinger, 1997; Pynadath and Wellman, 2000).
In this area, the work most closely related to
ours is that of Barrett and Weld ... research that are relevant
to our work: work on parsing (written and spoken)
discourse, and work on plan-based dialog models.
Discourse Parsing Discourse parsing is the pro-
cess of building a hierarchical...
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Copulas and credit models doc
Ngày tải lên :
06/03/2014, 04:21
... freedom. The left
hand plot shows 5000 points from a standard bivariate normal distribution; the right-hand
plot shows 5000 points from a composite distribution with a t copula and standard normal
margins. ... multivariate t and the hyperbolic.
Amemberofthem-dimensional family of variance mixtures of normal distributions is
equal in distribution to the product of a scalar random variable S and a normal random
vector ... of a standard d-dimensional normal ran-
dom vector with correlation matrix R, and Φ is the distribution function of univariate
standard normal. C
Ga
R
is known as the Gaussian copula, and this...
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Báo cáo khoa học: "Large-Scale Cross-Document Coreference Using Distributed Inference and Hierarchical Models " pptx
Ngày tải lên :
07/03/2014, 22:20
... multiple
methods of context similarity, and concluded that
agglomerative clustering provides effective means
of inference (Gooi and Allan, 2004). Pedersen et
al. (2006) and Purandare and Pedersen (2004) inte-
grate ... on
Learning on Cores, Clusters and Clouds.
Ben Wellner, Andrew McCallum, Fuchun Peng, and
Michael Hay. 2004. An integrated, conditional model
of information extraction and coreference with appli-
cation ... (Blume,
2005; Baron and Freedman, 2008; Popescu et al.,
2008). These approaches are greedy and differ in the
choice of the distance function and the clustering al-
gorithm used. Daum
´
e III and Marcu...
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Báo cáo khoa học: "Extracting Opinion Expressions and Their Polarities – Exploration of Pipelines and Joint Models" pot
Ngày tải lên :
07/03/2014, 22:20
... an
104
References
Stephan Bloehdorn and Alessandro Moschitti. 2007a.
Combined syntactic and semantic kernels for text clas-
sification. In Proceedings of ECIR 2007, Rome, Italy.
Stephan Bloehdorn and Alessandro Moschitti. ... expression
segmentation and polarity labeling and compare
them to the joint opinion extractor and polarity clas-
sifier by Choi and Cardie (2010). Secondly, we ex-
tend the global structure approach and add features
reflecting ... Therefore,
in (Johansson and Moschitti, 2010b), we measured
the intersection between the system output and the
gold standard: every compared segment is assigned
a score between 0 and 1, as opposed to...
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Báo cáo khoa học: "PROSODY, SYNTAX AND PARSING" pptx
Ngày tải lên :
08/03/2014, 18:20
... for help in generating
the phone alignments and duration normalizations,
and Bob Moore for helpful comments on a draft.
We thank Andrea Levitt and Leah Larkey for their
help, many years ago, ... Oohira and A. Ichikawa (1989)
"ProsodicM Sentence Structure Inference for
Natural Conversational Speech Understanding,"
ICOT Technical Memorandum: TM-0733.
[7] R. Moore, F. Pereira and ...
(1989) "Prosody and Parsing, " Proceedings of
the DARPA Workshop on Speech and Natural
Language, Cape Cod, October, 1989.
[9] M. Steedman (1989) "Intonation and Syntax in
Spoken...
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Báo cáo khoa học: "DISCONTINUOUS CONSTITUENTS IN TREES, RULES, AND PARSING" pptx
Ngày tải lên :
09/03/2014, 01:20
...
structure grammar and parsing in general,
and DPSG in particular.
REFERENCES
Bunt, H.C. (1985) Mass terms and
model-theoretic semantics. Cambridge
University Press, Cambridge, England.
Bunt, ... the same
qollection if and only if x's
leftmost daughter is left of y's
leftmost daughter, and there is no
node z which is shared by x and y.
If the nodes x and y in this definition ... IN TREES, RULES, AND PARSING
Harry Bunt, Jan Thesingh and Ko van der Sloot
Computational Linguistics Unit
Tilburg University, SLE
Postbus 90153
5000 LE TILBURG, The Netherlands
ABSTRACT
This...
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Interest Rates and The Credit Crunch: New Formulas and Market Models potx
Ngày tải lên :
15/03/2014, 07:20
... analytically and
27
Figure 5: USD swaption volatilities as of November 25, 2008. Strikes and vols are expressed
as differences from the respective ATM values. Source: Bloomberg.
Andersen and Andreasen ... (2005), Wu and Zhang (2006) and Zhu (2007).
In the second, commonly referred to as SABR, the LMMs by Henry-Labord`ere (2007),
Rebonato (2007), Mercurio and Morini (2007) and Hagan and Lesniewski ... the pricing formulas for caplets
and swaptions. Section 7 introduces stochastic volatility and derives the dynamics of rates
and volatilities under generic forward and swap measures. Hints on the...
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Báo cáo khoa học: "Discriminative Strategies to Integrate Multiword Expression Recognition and Parsing" docx
Ngày tải lên :
16/03/2014, 19:20
... trained a unified Conditional Random
Fields model integrating different standard tagging
features and features based on external lexical re-
sources. They show a general tagging accuracy of
94% on ... (Schuler
and Joshi, 2011), etc. From an empirical point of
view, their incorporation has also been considered
such as in (Nivre and Nilsson, 2004) for depen-
dency parsing and in (Arun and Keller, ... Workshop.
T. Baldwin and K.S. Nam. 2010. Multiword Ex-
pressions. Handbook of Natural Language Process-
ing, Second Edition. CRC Press, Taylor and Francis
Group.
M. -H. Candito and B. Crabb
´
e....
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Báo cáo khoa học: "Combining data and mathematical models of language change" ppt
Ngày tải lên :
17/03/2014, 00:20
... Harada, and R.P. Wayland.
2003. Factors affecting stress placement for English
nonwords include syllabic structure, lexical class,
and stress patterns of phonologically similar words.
Language and ... Griffiths, and S. Lewandowsky.
2007. Iterated learning: Intergenerational knowl-
edge transmission reveals inductive biases. Psycho-
nomic Bulletin and Review, 14(2):288.
M.H. Kelly and J.K. Bock. ... Learning and Development,
3(1):43–72.
B.S. Phillips. 1984. Word frequency and the actuation
of sound change. Language, 60(2):320–342.
J.R. Ross. 1973. Leftward, ho! In S.R. Anderson and
P. Kiparsky,...
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Báo cáo khoa học: "Joint Hebrew Segmentation and Parsing using a PCFG-LA Lattice Parser" docx
Ngày tải lên :
17/03/2014, 00:20
... Adjectives and Nouns
(which should agree on Gender and Number and
definiteness), and between Subjects and Verbs
(which should agree on Gender and Number).
3 PCFG-LA Grammar Estimation
Klein and Manning ... lexicon) and 77.3 (with the lexicon).
For comparison, the previous best results for pars-
ing Hebrew are 84.1%F assuming gold segmenta-
tion and tagging (Tsarfaty and Sima’an, 2010)
9
, and
73.7%F ... 2011.
Language-independent parsing with empty elements.
In Proc. of ACL (short-paper).
Marie Candito, Benoit Crabb
´
e, and Djam
´
e Seddah. 2009.
On statistical parsing of French with supervised and
semi-supervised...
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Báo cáo khoa học: "Chinese Unknown Word Identification Using Character-based Tagging and Chunking" docx
Ngày tải lên :
17/03/2014, 06:20
... for unknown word detection, and back-
ward parsing seems doing slightly better than for-
ward parsing.
Chinese Unknown Word Identification Using Character-based Tagging and
Chunking
GOH Chooi Ling, ... to detect person names and organization names
quite accurately and is also quite satisfactory even
for low frequency unknown words in the corpus.
References
Keh-Jiann Chen and Wei-Yun Ma. 2002. ... Matsuda, KazumaTakaoka,
and Masayuki Asahara. 2002. Morphological Analy-
sis System ChaSen version 2.2.9 Manual. Nara Insti-
tute of Science and Technology.
Dayang Shen, Maosong Sun and Changning Huang.
1997....
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Báo cáo khoa học: "Formal aspects and parsing issues of dependency theory Vincenzo Lombardo and Leonardo Lesmo" potx
Ngày tải lên :
17/03/2014, 07:20
... Formal aspects and parsing issues of dependency theory
Vincenzo Lombardo and Leonardo Lesmo
Dipartimento di Informatica and Centro di Scienza Cognitiva
Universita' ...
formal device for the dependency approach to
syntax, and to link it with a parsing model. After
reviewing the basic tenets of the paradigm and the
few existing mathematical results, we describe ...
(Eisner 1996) and an object-oriented parallel
parsing method (Neuhaus, Hahn 1996).
However, dependency theories have never been
explicitly linked to formal models. Parsers and
applications...
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