semantic role label substitution rules
Tài liệu Báo cáo khoa học: "Corpus Expansion for Statistical Machine Translation with Semantic Role Label Substitution Rules" doc
Ngày tải lên :
20/02/2014, 04:20
... in
the original corpus without substitution. In this pa-
per, we call a tuple of semantic frame and semantic
role a semantic signature. Two phrase pairs with the
same semantic signature are considered ... Computational Linguistics
Corpus Expansion for Statistical Machine Translation with
Semantic Role Label Substitution Rules
Qin Gao and Stephan Vogel
Language Technologies Institute, Carnegie Mellon ... translation. By uti-
lizing Semantic role labeling (SRL) on one
side of the language pair, we extract SRL sub-
stitution rules from existing parallel corpus.
The rules are then used for generating...
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Tài liệu Báo cáo khoa học: "Unsupervised Semantic Role Induction with Global Role Ordering" doc
Ngày tải lên :
19/02/2014, 19:20
... syntactic and semantic features could provide
clues to the semantic role label of a constituent, non-
local features such as predicate voice could provide
information about the expected semantic role ... Introduction
Unsupervised semantic role induction has gained
significant interest recently (Lang and Lapata,
2011b) due to limited amounts of annotated corpora.
A Semantic Role Labeling (SRL) system ... generative model
for unsupervised semantic role induction,
which integrates local role assignment deci-
sions and a global role ordering decision in a
unified model. The role sequence is divided
into...
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Tài liệu Báo cáo khoa học: "Improving Chinese Semantic Role Labeling with Rich Syntactic Features" ppt
Ngày tải lên :
20/02/2014, 04:20
... Proceedings.
Weiwei Sun. 2010. Semantics-driven shallow
parsing for Chinese semantic role labeling. In
Proceedings of the ACL 2010.
Weiwei Sun and Zhifang Sui. 2009. Chinese func-
tion tag labeling. In Proceedings ... se-
mantic role labeling. In Proceedings of the
22nd International Conference on Computa-
tional Linguistics.
Weiwei Sun, Zhifang Sui, Meng Wang, and Xin
Wang. 2009. Chinese semantic role labeling
with ... or not. Finally, a multi-class
classifier is trained to label each argument recog-
nized in the former stage with a specific semantic
role label. In both AI and SRC, the main job is to
select strong...
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Tài liệu Báo cáo khoa học: "Scaling up Automatic Cross-Lingual Semantic Role Annotation" docx
Ngày tải lên :
20/02/2014, 04:20
... F-measure for in-
dividual semantic roles, and 69% F-measure for
whole scenario-like semantic frames. Recently, Wu
and Fung (2009a; 2009b) also show that semantic
roles help in statistical machine ... used
to train semantic role labellers (Basili et al., 2009).
In this paper, we generate high-quality broad-
coverage semantic annotations using an automatic
approach that does not rely on a semantic ... Fung. 2009a. Can semantic role labeling
improve SMT? In Proceedings of the Annual Confer-
ence of European Association of Machine Translation.
D. Wu and P. Fung. 2009b. Semantic roles for SMT:
A...
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Tài liệu Báo cáo khoa học: "Semantic Information and Derivation Rules for Robust Dialogue Act Detection in a Spoken Dialogue System" pptx
Ngày tải lên :
20/02/2014, 05:20
... sentence. Semantic information and the
derivation rules of the partial sentence trees
are extracted and used to model the relation-
ship between the dialogue acts and the deriva-
tion rules. The ... 603–608,
Portland, Oregon, June 19-24, 2011.
c
2011 Association for Computational Linguistics
Semantic Information and Derivation Rules for Robust Dialogue Act
Detection in a Spoken Dialogue System
Wei-Bin Liang
1
Chung-Hsien ... result (left) and the extracted deriva-
tion rules (right) for the exemplar sentence s.
For example, v(s) = [1 0 1 0]
T
means that there are
four derivation rules, of which R
1
and R
3
are used
in...
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Tài liệu Báo cáo khoa học: "Abstraction and Generalisation in Semantic Role Labels: PropBank, VerbNet or both?" doc
Ngày tải lên :
20/02/2014, 07:20
... each semantic role label,
in PropBank and VerbNet. We find occurrences
for three semantic role labels in PropBank and six
in VerbNet. We reduce the VerbNet groups to five
by merging Patient roles ... considered occurrences of semantic roles for
which both a PropBank and a VerbNet label is
available in the data (roughly 45% of the Prop-
Bank semantic roles have a VerbNet semantic
role) .
2
Furthermore, ... translation.
The role of theories of semantic role lists is to
obtain a set of semantic roles that can apply to
any argument of any verb, to provide an unam-
biguous identifier of the grammatical roles of...
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Tài liệu Báo cáo khoa học: "A Hybrid Convolution Tree Kernel for Semantic Role Labeling" pptx
Ngày tải lên :
20/02/2014, 12:20
... shared task: Semantic role
labeling. In Proceedings of CoNLL-2004, pages 89–
97.
Xavier Carreras and Llu
´
ıs M
`
arquez. 2005. Introduc-
tion to the CoNLL-2005 shared task: Semantic role
labeling. ... the constituents in the
sentence which fill a semantic role (argument) of
the verb have to be recognized.
Figure 1 shows an example of a semantic role
labeling annotation in PropBank (Palmer et ... vector learning for semantic
argument classification. Machine Learning Journal.
Sameer Pradhan, Wayne Ward, Kadri Hacioglu, James
Martin, and Daniel Jurafsky. 2005b. Semantic role
labeling using different...
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Tài liệu Báo cáo khoa học: "A FrameNet-based Semantic Role Labeler for Swedish" pdf
Ngày tải lên :
20/02/2014, 12:20
... the
complete task.
1 Introduction
Semantic role labeling (SRL), the process of auto-
matically identifying arguments of a predicate in
a sentence and assigning them semantic roles, has
received much attention ... a FE
bracketer and a classifier that assigns semantic
roles to FEs. Both parts are implemented as SVM
classifiers trained using LIBSVM. The semantic
role classifier is rather conventional and is ... BiFrameNet:
Bilingual frame semantics resource construction
by cross-lingual induction. In Proceedings of
COLING-2004.
Daniel Gildea and Daniel Jurafsky. 2002. Automatic
labeling of semantic roles. Computational...
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Báo cáo khoa học: "Edit Tree Distance alignments for Semantic Role Labelling" ppt
Ngày tải lên :
07/03/2014, 22:20
... alignments for Semantic Role Labelling
Hector-Hugo Franco-Penya
Trinity College Dublin
Dublin, Ireland.
francoph@cs.tcd.ie
Abstract
―Tree SRL system‖ is a Semantic Role Label-
ling supervised ... propositions. It adds a semantic layer to the
Penn TreeBank (Marcus et al, 1994) and defines
a set of semantic roles for each predicate.
It is difficult to define universal semantic roles
for all ... set where 79% accuracy was
obtained.
1 Introduction
Semantic Role Labelling (SRL) is a natural lan-
guage processing task which deals with semantic
analysis at sentence-level. SRL is the task...
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Báo cáo khoa học: "Adapting Self-training for Semantic Role Labeling" pdf
Ngày tải lên :
07/03/2014, 22:20
... for Semantic Role Labeling
Rasoul Samad Zadeh Kaljahi
FCSIT, University of Malaya
50406, Kuala Lumpur, Malaysia.
rsk7945@perdana.um.edu.my
Abstract
Supervised semantic role labeling ... the application of self-training
in learning semantic role labeling with the use of
unlabeled data. We used a balancing method for
selecting newly labeled examples for augmenting
the training ... using Unlabeled Data. In
Proceedings of the 7th Conference on Natural
Language Learning At HLT-NAACL 2003, pages
49-55.
Gildea, D. and Jurafsky, D. 2002. Automatic labeling
of semantic roles....
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Báo cáo khoa học: "Semantic Role Labeling via FrameNet, VerbNet and PropBank" potx
Ngày tải lên :
08/03/2014, 02:21
... Automatic semantic role labeling on
FrameNet
In the experiments involving semantic role label-
ing, we used SVMs with polynomial kernels. We
adopted the standard features developed for se-
mantic role ... Annotating PB with FN semantic roles
To show that our approach can be suitable for
semantic role free-text annotation, we have au-
tomatically classified PB sentences
3
with the FN
semantic- role classifiers. ... par-
ticipant roles. Thus, a first test of compatibility
between a frame and a Levin class is that they
share the same participant roles. As FN is anno-
tated with frame-specific semantic roles, we...
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Báo cáo khoa học: "Semantic Role Labeling Using Different Syntactic Views∗" pdf
Ngày tải lên :
08/03/2014, 04:22
... 94305
jurafsky@stanford.edu
Abstract
Semantic role labeling is the process of
annotating the predicate-argument struc-
ture in text with semantic labels. In this
paper we present a state-of-the-art base-
line semantic role labeling ... Juraf-
sky. 2004. Semantic role labeling by tagging syntactic chunks. In Proceed-
ings of CoNLL-2004, Shared Task – Semantic Role Labeling.
Kadri Hacioglu. 2004a. A lightweight semantic chunking ... Identifying semantic roles using com-
binatory categorial grammar. In Proceedings of the EMNLP, Sapporo, Japan.
Daniel Gildea and Daniel Jurafsky. 2000. Automatic labeling of semantic roles.
In...
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Báo cáo khoa học: "Joint Learning Improves Semantic Role Labeling Kristina Toutanova Dept of Computer Science Stanford " pot
Ngày tải lên :
08/03/2014, 04:22
... Man-
ning. 2003. A generative model for semantic role labeling.
In Proceedings of ECML-2003.
Nianwen Xue and Martha Palmer. 2004. Calibrating features
for semantic role labeling. In Proceedings of EMNLP-2004.
596
S
1
NP
1
-ARG1
Final-hour ... report results for two variations of the seman-
tic role labeling task. For CORE, we identify and
label only core arguments. For ARGM, we identify
and label core as well as modifier arguments. We
report ... 94305
manning@cs.stanford.edu
Abstract
Despite much recent progress on accu-
rate semantic role labeling, previous work
has largely used independent classifiers,
possibly combined with separate label se-
quence models via Viterbi decoding....
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Báo cáo khoa học: "Semantic Role Labeling for Coreference Resolution" pot
Ngày tải lên :
08/03/2014, 21:20
... pronoun and number. Similarly
to Table 5, the semantic role of the anaphor ranks
higher than the one of the antecedent. This re-
145
Semantic Role Labeling for Coreference Resolution
Simone Paolo ... alia).
Similarly, many researchers have explored tech-
niques for robust, broad coverage semantic pars-
ing in terms of semantic role labeling (Gildea &
Jurafsky, 2002; Carreras & M
`
arquez, 2005, SRL
henceforth).
This ... 65.5 60.4
duplicated
baseline
64.9 65.6 65.3 55.1 68.5 61.1
Table 2: Results on MUC
J
SEMROLE the semantic role argument-
predicate pairs of RE
j
.
For the ACE 2003 data, 11,406 of 32,502 auto-
matically...
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Báo cáo khoa học: "Semi-Supervised Semantic Role Labeling" potx
Ngày tải lên :
08/03/2014, 21:20
... unlabeled sen-
tence we wish to annotate.
Semantic role labeler We evaluated our method
on a semantic role labeling task. Specifically, we
compared the performance of a generic seman-
tic role labeler ... obtain
labeled role bracketings like those in example (1)
and measured labeled precision, labeled recall and
labeled F
1
. (Since our focus is on role labeling and
not frame prediction, we let our role ... in creating resources
for semantic role labeling. Our strategy is to ex-
pand a manually annotated corpus by projecting
semantic role information from labeled onto un-
labeled instances. We formulate...
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