a unified syntactic model
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 ... 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 ... syntax trees using this
model achieve high accuracy on the standard
Switchboard parsing task.
1 Introduction
Speech repairs occur when a speaker makes a mis-
take and decides to partially retrace...
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Báo cáo khoa học: "Bootstrapping a Unified Model of Lexical and Phonetic Acquisition" potx
Ngày tải lên :
16/03/2014, 19:20
... weights.
“about”
ahbawt:15, bawt:9, ihbawt:4, ahbawd:4, ih-
bawd:4, ahbaat:2, baw:1, ahbaht:1, erbawd:1,
bawd:1, ahbaad:1, ahpaat:1, bah:1, baht:1,
ah:1, ahbahd:1, ehbaat:1, ahbaed:1, ihbaht:1,
baot:1
“wanna”
waanah:94, ... ihbaht:1,
baot:1
“wanna”
waanah:94, waanih:37, wahnah:16, waan:13,
wahneh:8, wahnih:5, wahney:3, waanlih:3,
wehnih:2, waaneh:2, waonih:2, waaah:1,
wuhnih:1, wahn:1, waantah:1, waanaa:1,
wowiy:1, waaih:1, wah:1, waaniy:1
Table ... learning
mechanism. In Proceedings of the Student Research
Workshop at EACL.
Armen Allahverdyan and Aram Galstyan. 2011. Compar-
ative analysis of Viterbi training and ML estimation for
HMMs. In Advances...
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Báo cáo khoa học: "A Unified Single Scan Algorithm for Japanese Base Phrase Chunking and Dependency Parsing" pdf
Ngày tải lên :
17/03/2014, 02:20
... Dependency Parsing
Manabu Sassano
Yahoo Japan Corporation
Midtown Tower,
9-7-1 Akasaka, Minato-ku,
Tokyo 107-6211, Japan
msassano@yahoo-corp.jp
Sadao Kurohashi
Graduate School of Informatics,
Kyoto ... University
Yoshida-honmachi, Sakyo-ku,
Kyoto 606-8501, Japan
kuro@i.kyoto-u.ac.jp
Abstract
We describe an algorithm for Japanese
analysis that does both base phrase chunk-
ing and dependency parsing simultane-
ously ... Linear-time dependency analysis for
Japanese. In Proc. of COLING 2004, pages 8–14.
S. Sekine, K. Uchimoto, and H. Isahara. 2000. Back-
ward beam search algorithm for dependency analysis of
Japanese....
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Báo cáo khoa học: "Towards a Unified Approach to Memory- and Statistical-Based Machine Translation" pdf
Ngày tải lên :
17/03/2014, 07:20
... Machine trans-
lation with a stochastic grammatical channel. In
Proceedings of ACL’98, pages 1408–1414, Mon-
treal, Canada.
Kenji Yamada and Kevin Knight. 2001. A syntax-
based statistical translation ... translation model and a de-
scription of its parameters.
3 Building a statistical translation
memory
Companies that specialize in producing high-
quality human translations of documentation and
news ... mapped into a tar-
get f. Once the parameters of the language and
translation models are estimated using traditional
maximum likelihood and EM techniques (Demp-
ster et al., 1977), one can take...
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Báo cáo hóa học: " Research Article A Unified View of Adaptive Variable-Metric Projection Algorithms" ppt
Ngày tải lên :
21/06/2014, 19:20
... pages
doi:10.1155/2009/589260
Research Article
A Unified View of Adaptive Variable-Metric
Projection Algorithms
Masahiro Yukawa
1
and Isao Yamada
2
1
Mathematical Neuroscience Laboratory, BSI, RIKEN, 2-1 Hirosawa, Wako, Saitama ... Numerical
examples have demonstrated the remarkable advantages of
V-APSM and its robustness against a moderate amount
of metric-fluctuations. Also the examples have shown that
the use of small step ... 2009.
[36] M. Yukawa and W. Utschick, A fast stochastic gradient
algorithm: maximal use of sparsification benefits under com-
putational constraints,” to appear in IEICE Transactions on
Fundamentals of...
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Báo cáo hóa học: "Research Article A Unified Approach to Optimal Opportunistic Spectrum Access under Collision Probability Constraint in Cognitive Radio Systems" pptx
Ngày tải lên :
21/06/2014, 19:20
... per-
formances of two approaches: transmit-first OSA (TFOSA)
approach and transmit-last OSA (TLOSA) approach. TFOSA
means that the secondary user starts to transmit at the first
time slot and keeps transmitting ... of optimal OSA
approach and that of TFOSA approach caused by sensing
errors are about 2%, and spectrum holes utilization of
optimal OSA approach is still better than that of TFOSA
approach. In ... study and compare the performances of
optimal OSA approach, TFOSA approach, and fixed STR
approach in the case that collision tolerable level σ
= 0.02.
In plot (a) , after the channel-usage estimate...
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Báo cáo hóa học: " Research Article A Unified Approach to List-Based Multiuser Detection in Overloaded Receivers" pot
Ngày tải lên :
21/06/2014, 22:20
... linear
array
Uniform circular
array
Figure 2:SystemmodelforaULAandaUCAwithM = 4-elements
and D>Msingle-antenna users.
2.2. Uniform linear array
In the ULA configuration, isotropic antenna elements ... Spatial filtering
A spatial filter exploits the fact that user signals incident on
the antenna array with greater spread in AOA interfere with
each other less than signals that are closely spaced ... diversity gain. Simulation results and a complexity analysis indicate that the approach is suitablefor practical application.
Copyright © 2008 Michael Krause et al. This is an open access article...
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Báo cáo khoa học: "Techniques to incorporate the benefits of a Hierarchy in a modified hidden Markov model" pptx
Ngày tải lên :
08/03/2014, 02:21
... is part of the Lancaster Treebank corpus
and contains 1473 sentences. Each sentence con-
tains hand-labeled syntactic roles for natural lan-
guage text.
A. 200
A. 400
A. 600
A. 800
A. 1000
A. 1200
A. 1400
0.86
0.88
0.90
0.92
0.94
B.200
B.400
B.600
B.800
B.1000
B.1200
B.1400
0.86
0.88
0.90
0.92
0.94
0.86
0.88
0.90
0.92
0.94
F
C.200
C.400
C.600
C.800
C.1000
C.1200
C.1400
0.86
0.88
0.90
0.92
0.94
0.86
0.88
0.90
0.92
0.94
F
Figure ... different model on the Lan-
caster Treebank data set. The models used in this
evaluation were trained with observation data from
the Lancaster Treebank training set. The training
set and testing set are ... modified hidden
Markov model
Lin-Yi Chou
University of Waikato
Hamilton
New Zealand
lc55@cs.waikato.ac.nz
Abstract
This paper explores techniques to take ad-
vantage of the fundamental difference...
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Báo cáo khoa học: "Applying a Grammar-based Language Model to a Simplified Broadcast-News Transcription Task" ppt
Ngày tải lên :
17/03/2014, 02:20
... linguistically motivated grammar
(a hand-crafted Head-driven Phrase Structure
Grammar) and a statistical model estimating
the probability of a parse tree. The language
model is applied by means of an N-best ... create an artificial recognition task
with manageable complexity. Our primary aim was
to design a task which allows us to investigate the
properties of our grammar-based approach and to
compare ... grammar accept arbitrary
sequences of words and phrases. To keep the gram-
mar restrictive, such sequences are penalized by the
statistical model.
Accurate hand-crafted grammars have been ap-
plied...
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Báo cáo khoa học: "A Large-Scale Unified Lexical-Semantic Resource Based on LMF" docx
Ngày tải lên :
17/03/2014, 22:20
... Weka (Hall et al., 2009)
to train a machine learning classifier, and in the
final step this classifier is used to automatically
classify the candidate sense pairs as (non-)valid
alignment. Our framework ... standard as a potential data
model, they do not make use of it.
Shi and Mihalcea (2005) integrate FN, VN and
WN, and Palmer (2009) presents a combination of
Propbank, VN and FN in a resource called ... Ryant, and
Martha Palmer. 2008. A Large-scale Classification
of English Verbs. Language Resources and Evalu-
ation, 42:21–40.
Claudia Kunze and Lothar Lemnitzer. 2002. Ger-
maNet – representation,...
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Exergoeconomic performance optimization for a steadyflow endoreversible refrigeration model including six typical cycles
Ngày tải lên :
05/09/2013, 17:08
... steady flow
refrigeration cycle model consisting of a constant thermal-capacity heating branch, two constant thermal-
capacity cooling branches and two adiabatic branches with the consideration ... endoreversible refrigeration cycle model consisting of a
constant thermal-capacity heating branch, two constant thermal-capacity cooling branches and two
adiabatic branches is viewed as a production ... 1 and 2 is a
heating branch with constant thermal capacity (mass flow rate and specific heat product)
in
C
; the
processes between 3 and 4, and 4 and 5 are two cooling branches with constant...
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Unified Type System
Ngày tải lên :
05/10/2013, 06:20
... rectangular and jagged. Rectangular
arrays like matrices have more than one index and have a fixed size for each dimension.
The comma (,) separates each dimension in the array declaration as illustrated ... polymorphic call, dynamically binds an invocation with
the appropriate method via a virtual table that is generated for each object.
When classes already contain declared virtual methods, a derived class ... myArray; // (1)
myArray = new int[3]; // (2)
At step (1), a reference variable called myArray is created for an int array. At step (2),
space is allocated to store three int values. The square...
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A two-dimensional market model
Ngày tải lên :
18/10/2013, 02:20
... words,
dS
1
S
1
has instantaneous variance
2
1
,
dS
2
S
2
has instantaneous variance
2
2
,
dS
1
S
1
and
dS
2
S
2
have instantaneous covariance
1
2
.
Accumulation factor:
t = exp
Z
t
0
rdu
:
The ... dB
1
=
1
1
S
1
1
+
1
2
S
2
2
d
e
B
1
:
Notice that
e
B
2
does not appear.
Let
V
be an
F T
-measurable random variable. If
V
depends on
B
2
, then it can probably not
be hedged. For example, if
V = hS
1
T ;S
2
T;
and
1
or
2
depend ...
2
2
d
e
B
2
:
Let
V
be
F T
-measurable. Define the
f
IP
-martingale
Y t=
f
IE
V
T
Ft
; 0tT:
CHAPTER 19. A two-dimensional market model
207
More precisely, we define the
f
IP
-martingale
Y t=
f
IE
V
T
Ft
;...
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