predicate argument structure analysis
Tài liệu Báo cáo khoa học: "Predicate Argument Structure Analysis using Transformation-based Learning" pdf
Ngày tải lên :
20/02/2014, 04:20
... an argument candidate node
of graphs. We also mapped each predicate to a
predicate node. Each predicate- argument relation
is identified by an edge between a predicate and an
argument, and the argument ... approaches to predicate argument structure
analysis are statistical machine learning methods
such as support vector machines (SVMs)(Pradhan
et al., 2004). For predicate argument struc-
ture analysis, ... Japanese pred-
icate argument analysis and show some
tendencies of annotators for constructing
a corpus with our method.
1 Introduction
Automatic predicate argument structure analysis
(PAS) provides...
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Báo cáo khoa học: "Discriminative Approach to Predicate-Argument Structure Analysis with Zero-Anaphora Resolution" pptx
Ngày tải lên :
23/03/2014, 17:20
... features, and restrictions of
candidate arguments.
2 Predicate- Argument Structure
Analyzer
2.1 Procedure and Models
The procedure of our predicate- argument structure
analyzer is as follows. The ... a predicate- argument
structure analysis that simultaneously con-
ducts zero-anaphora resolution. By adding
noun phrases as candidate arguments that
are not only in the sentence of the target
predicate ... restrict
candidate arguments. As a result, we achieved
predicate- argument accuracy of 59.4%, and accu-
racies of argument identification were F-scores of
73.2%–89.2%.
Verifying argument structures by...
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Tài liệu Báo cáo khoa học: "Modeling the Translation of Predicate-Argument Structure for SMT" ppt
Ngày tải lên :
19/02/2014, 19:20
... side predicate- argument structures. Komachi
and Matsumoto (2006) reorder arguments in source
language (Japanese) sentences using heuristic rules
defined on source side predicate- argument structures
in ... source side predicate-
argument structures, our models differ from the pre-
vious work in two main aspects: 1) we propose two
separate discriminative models to exploit predicate-
argument structures ... with its predicate-
argument structure, we detect all verbal predicates
and load trained predicate translation classifiers for
these verbs. Whenever a hypothesis covers a new
verbal predicate...
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Tài liệu Báo cáo khoa học: "Parsing with generative models of predicate-argument structure" pptx
Ngày tải lên :
20/02/2014, 16:20
... English in the remainder of this paper.
5 A model of predicate- argument
structure
We first explain how word-word dependencies in the
predicate- argument structure can be captured in a
generative model, ... generated (represented in terms of
the categories
):
3 Predicate- argument structure in CCG
Like Clark et al. (2002), we define predicate-
argument structure for CCG in terms of the depen-
dencies that ... heads
of their arguments. Such dependencies can be ex-
pressed as 3-tuples
,where is a
functor category with arity
,and isalex-
ical head of the
th argument of .
The predicate- argument structure that...
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STRUCTURE ANALYSIS OF POLYSACCHARIDE ESTERS
Ngày tải lên :
25/10/2013, 16:20
... and overlaps with H-1
8 Structure Analysis of Polysaccharide Esters
For modified polysaccharides, the analysis goes far beyond the structural verifi-
cation. The chemical structure of the ester ... protons
of the 4-nitrobenzoyl moieties. The content of acylation is calculated according to
150 8 Structure Analysis of Polysaccharide Esters
of partially substituted esters is DMSO-d
6
, which dissolves ... H
H,AGU
(8.2)
DS
Acyl
(n)
=
1−
7 · I
H,Propionyl
(n)
3 · I
H,AGU
(8.3)
I
=
integral
n
=
position2,3or6
166 8 Structure Analysis of Polysaccharide Esters
Table 8.13. Peak assignment (in the order of increasing retention...
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Báo cáo khoa học: Structure analysis of the flavoredoxin from Desulfovibrio vulgaris Miyazaki F reveals key residues that discriminate the functions and properties of the flavin reductase family pdf
Ngày tải lên :
07/03/2014, 02:20
... the secondary
structure prediction by PSIPRED [24] suggests that
DrgA has a helix-rich structure (data not shown),
unlike the b-rich structures of flavoredoxin and FeR.
Structural analysis needs ... in
(A) and (B).
N. Shibata et al. Structure of flavoredoxin
FEBS Journal 276 (2009) 4840–4853 ª 2009 The Authors Journal compilation ª 2009 FEBS 4845
Structure analysis of the flavoredoxin from
Desulfovibrio ... map.
Structural comparison and analysis
Structures were compared using the DALI server [9]. Root
mean square deviation and rotation-translation matrices for
superimposing structures were calculated...
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Báo cáo khoa học: "Using Predicate-Argument Structures for Information Extraction" ppt
Ngày tải lên :
08/03/2014, 04:22
... 2
Table 4: Number of event structures (FSA patterns
or predicate argument structures) matched
sented with dashed lines.
4 Experiments with The Integration of
Predicate Argument Structures in IE
To evaluate ... cus-
tomizable IE paradigm that takes advan-
tage of predicate- argument structures. We
also introduce a new way of automatically
identifying predicate argument structures,
which is central to our IE paradigm. ... of predicate- argument
parsers into the IE paradigm and compares the re-
sults against a FSA-based IE system. Section 5 sum-
marizes the conclusions.
2 Learning to Recognize
Predicate- Argument Structures
2.1...
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Báo cáo khoa học: Comparative structure analysis of proteinase inhibitors from the desert locust, Schistocerca gregaria pptx
Ngày tải lên :
08/03/2014, 10:20
... Comparison of SGCI (10 structures, red lines) and of SGCI[L30R, K31M] (10 structures, b lue lines; A), SGCI and SGTI (10 structures, gray
lines; B) a s well as S GCI and PMP-C ( 36 structures, purple ... exceeds the number of distance restraints used
for the structure determination of the homologous inhibitor
PMP-C [11].
Structure calculations
For structure calculation, only NMR d istance restraints
were ... Hd-HN
Ha-HN Hd-Hb,Hd-Ha
Thr16 HN-HN, Hb-HN
Ó FEBS 2002 NMR structure of Schistocerca inhibitors (Eur. J. Biochem. 269) 533
Comparative structure analysis of proteinase inhibitors
from the desert locust,
Schistocerca...
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Báo cáo khoa học: "Coordination Structure Analysis using Dual Decomposition" docx
Ngày tải lên :
08/03/2014, 21:20
... one of the two sub-models.
3 Background
3.1 Coordination structure analysis with
alignment-based local features
Coordination structure analysis with alignment-
based local features (Hara et al., ... both the coor-
dination structure analysis with alignment-based
features and HPSG parsing to make a constraint
between the two sub-problems. For the coor-
dination structure analysis with alignment-based
features ... 19:313–330.
Yusuke Miyao and Jun’ich Tsujii. 2004. Deep lin-
guistic analysis for the accurate identification of
predicate- argument relations. In Proceeding of
COLING 2004, pages 1392–1397.
Yusuke...
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Báo cáo khoa học: "Japanese Dependency Structure Analysis Based on Maximum Entropy Models" doc
Ngày tải lên :
08/03/2014, 21:20
... ac-
curacy.
1
Introduction
Dependency structure analysis is one of the ba-
sic techniques in Japanese sentence analysis. The
Japanese dependency structure is usually repre-
sented by the ...
limiting the search space in a backward analysis.
2 The Probability Model
Given a tokenization of a test corpus, the prob-
lem of dependency structure analysis in Japanese
can be reduced to ... Proceedings of EACL '99
Japanese Dependency Structure Analysis
Based on Maximum Entropy Models
Kiyotaka Uchimoto t Satoshi Sekine$
Hitoshi Isahara...
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Báo cáo khoa học: "From Chunks to Function-Argument Structure: A Similarity-Based Approach" doc
Ngày tải lên :
17/03/2014, 07:20
... in Fig. 1 is that the structure does
not contain any information about the function-
argument structure of the chunked phrases. How-
ever, once a (more) complete parse structure is
created, the ... larger structures
for complete utterances. Such larger
structures are not only desirable for a
deeper syntactic analysis. They also
constitute a necessary prerequisite for
assigning function -argument ... larger structures for complete utter-
ances. Such larger structures are not only de-
sirable for a deeper syntactic analysis; they also
constitute a necessary prerequisite for assigning
function-argument...
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Báo cáo khoa học: "Coordinate Structure Analysis with Global Structural Constraints and Alignment-Based Local Features" pot
Ngày tải lên :
23/03/2014, 16:21
... Japan
{kazuo-h,shimbo,hideharu-o,matsu}@is.naist.jp
Abstract
We propose a hybrid approach to coor-
dinate structure analysis that combines
a simple grammar to ensure consistent
global structure of coordinations in a sen-
tence, and features ... infor-
mation for coordinate structure analysis. More-
over, this stand-alone approach has its own merits
as well:
1. Even apart from parsing, the output coordi-
nate structure alone may provide ... structure or de-
pendency parsers), if necessary.
3. Because coordination bracketing is some-
times inconsistent with phrase structure
bracketing, processing coordinations apart
from phrase structures...
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Báo cáo khoa học: "Detection of Quotations and Inserted Clauses and its Application to Dependency Structure Analysis in Spontaneous Japanese" doc
Ngày tải lên :
23/03/2014, 18:20
... features based on acoustic infor-
mation.
(b) Dependency structure analysis results
We investigated the accuracies of dependency
structure analysis obtained when the automatically
or manually detected ... dependency structure
was not high, the accuracy of dependency struc-
ture analysis was improved by 0.7% absolute for
the open test. This shows that the model for depen-
dency structure analysis ... the
accuracy of dependency structure analysis and the
improvements of the boundary detection of quo-
tations and inserted clauses contribute to improve-
ment of dependency structure analysis. Especially,
the...
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Báo cáo khoa học: The CRIPTO/FRL-1/CRYPTIC (CFC) domain of human Cripto Functional and structural insights through disulfide structure analysis docx
Ngày tải lên :
23/03/2014, 21:20
... CRIPTO/FRL-1/CRYPTIC (CFC) domain of human Cripto
Functional and structural insights through disulfide structure analysis
Susan F. Foley, Herman W. T. van Vlijmen, Raymond E. Boynton, Heather B. Adkins, Anne ... sorter analysis indicate that the
CFC domain binds to ALK4 independent of the EGF
domain. A molecular model of the CFC domain of Cripto
was constructed based on the nuclear magnetic resonance
structure ... [1].
Evidence of an EGF-like domain structure in Cripto-related
proteins is based on amino acid sequence homology
[1,2,4,13,14], molecular modeling [1,14], and gene structure
[1,2,4,14]. The CFC region...
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