cross language dependency parsing
Tài liệu Báo cáo khoa học: "Using Smaller Constituents Rather Than Sentences in Active Learning for Japanese Dependency Parsing" docx
Ngày tải lên :
20/02/2014, 04:20
... algorithms of Japanese parsing
and active learning for it.
3.3 Algorithm of Japanese Dependency
Parsing
We use Sassano’s algorithm (Sassano, 2004) for
Japanese dependency parsing. The reason for ... active learning methods for
Japanese dependency parsing. We propose
active learning methods of using partial
dependency relations in a given sentence
for parsing and evaluate their effective-
ness ... for parsing a
sentence has been considered to be a basic unit for
selection. Small constituents such as chunks have
not been used in sample selection for parsing. We
use Japanese dependency parsing...
- 10
- 432
- 0
Tài liệu Báo cáo khoa học: "Neutralizing Linguistically Problematic Annotations in Unsupervised Dependency Parsing Evaluation" doc
Ngày tải lên :
20/02/2014, 04:20
... constituency parsing and found one
to have positive influence on parsing quality.
Dependency Model with Valence (DMV). DMV
(Klein and Manning, 2004) defines a probabilistic
grammar for unlabeled dependency ... Technology
roiri@csail.mit.edu
Abstract
Dependency parsing is a central NLP task. In
this paper we show that the common eval-
uation for unsupervised dependency parsing
is highly sensitive to problematic ... Head-driven statistical models
for natural language parsing. Ph.D. thesis, University
of Pennsylvania, Philadelphia.
Alexander Clark, 2001. Unsupervised language acquisi-
tion: theory and practice....
- 10
- 411
- 0
Tài liệu Báo cáo khoa học: "Event Extraction as Dependency Parsing" pdf
Ngày tải lên :
20/02/2014, 04:20
... of the COLING Workshop on
Cross- Framework and Cross- Domain Parser Evalua-
tion.
David McClosky. 2010. Any Domain Parsing: Auto-
matic Domain Adaptation for Natural Language Pars-
ing. PhD thesis, ... Non-projective Dependency Pars-
ing using Spanning Tree Algorithms. Proceedings of
HLT/EMNLP.
Ryan McDonald and Fernando Pereira. 2006. Online
Learning of Approximate Dependency Parsing Algo-
rithms. ... actual parsing mod-
els used, so we can easily incorporate models that
can parse DAGs (Sagae and Tsujii, 2008). Addi-
tionally, we are free to incorporate any new tech-
niques from dependency parsing. ...
- 10
- 525
- 1
Tài liệu Báo cáo khoa học: "Temporal Restricted Boltzmann Machines for Dependency Parsing" pdf
Ngày tải lên :
20/02/2014, 04:20
... Hajiˇc. 2005.
Non-projective dependency parsing using spanning
tree algorithms. In Proceedings of the conference on
Human Language Technology and Empirical Methods
in Natural Language Processing, pages ... to generate latent representa-
tions of local parsing actions, which can then be
used as features for later decisions.
The TRBM model for dependency parsing could
be extended to a Deep Belief Network ... Janvin. 2003.
A neural probabilistic language model. The Journal of
Machine Learning Research, 3:1137–1155.
B. Bohnet. 2009. Efficient parsing of syntactic and
semantic dependency structures. In Proceedings...
- 7
- 414
- 0
Tài liệu Báo cáo khoa học: "Concise Integer Linear Programming Formulations for Dependency Parsing" pptx
Ngày tải lên :
20/02/2014, 07:20
... A projective dependency graph.
Figure 2: Non-projective dependency graph.
those that assume each dependency decision is in-
dependent modulo the global structural constraint
that dependency graphs ... state-of-the-art methods. In this
paper, we focus on unlabeled dependency parsing,
for clarity of exposition. If it is extended to labeled
parsing (a straightforward extension), our formu-
lation fully ... first-
order logic constraints (Richardson and Domin-
gos, 2006; Chang et al., 2008).
2 Dependency Parsing
2.1 Preliminaries
A dependency tree is a lightweight syntactic repre-
sentation that attempts to...
- 9
- 407
- 0
Tài liệu Báo cáo khoa học: "Non-Projective Dependency Parsing in Expected Linear Time" pptx
Ngày tải lên :
20/02/2014, 07:20
... data-driven dependency
parsing is the treatment of discontinuous syntactic
constructions, usually modeled by non-projective
dependency trees, as illustrated in Figure 1. In a
projective dependency ... with a multi-
language non-projective dependency parser. In Pro-
ceedings of CoNLL, pages 166–170.
Sabine Buchholz and Erwin Marsi. 2006. CoNLL-X
shared task on multilingual dependency parsing. In
Proceedings ... techniques for non-projective dependency
parsing. In Proceedings of EACL, pages 478–486.
Ryan McDonald and Fernando Pereira. 2006. Online
learning of approximate dependency parsing algo-
rithms. In...
- 9
- 627
- 0
Tài liệu Báo cáo khoa học: "Quadratic-Time Dependency Parsing for Machine Translation" pdf
Ngày tải lên :
20/02/2014, 07:20
... the
case of dependency parsing for Czech, (McDonald
et al., 2005b) even outperforms projective parsing,
and was one of the top systems in the CoNLL-06
shared task in multilingual dependency parsing.
2.1 ... found to be statis-
tically very significant (p ≤ .01).
2 Dependency parsing for machine
translation
In this section, we review dependency parsing for-
mulated as a maximum spanning tree problem
(McDonald ... be greater
than for a CFG when using a dependency rep-
resentation, for which she found only 12.6% of
head crossings and 9.2% modifier crossings. Sec-
ond, dependency trees contain exactly one node
per...
- 9
- 514
- 0
Tài liệu Báo cáo khoa học: "Japanese Dependency Parsing Using Co-occurrence Information and a Combination of Case Elements" pdf
Ngày tải lên :
20/02/2014, 12:20
... Japanese dependency parsing by
using large-scale statistical information. It
takes into account two kinds of informa-
tion not considered in previous statistical
(machine learning based) parsing ... automatic dependency
parsing of large-scale corpora. The results
of an experiment in which our method was
used to rerank the results obtained using an
existing machine learning based parsing
method ... the existing method.
1 Introduction
Dependency parsing is a basic technology for pro-
cessing Japanese and has been the subject of much
research. The Japanese dependency structure is
usually represented...
- 8
- 481
- 0
Tài liệu Báo cáo khoa học: "A Pipeline Framework for Dependency Parsing" ppt
Ngày tải lên :
20/02/2014, 12:20
... Matsumoto, 2003) parsing algorithm
and show that this results in modifying some of
the decisions made there and, consequently, better
overall dependency trees.
2 Efficient Dependency Parsing
This ... compares the performances of several
of the state of the art dependency parsing systems
with ours. When comparing with other depen-
dency parsing systems it is especially worth notic-
ing that our ... to a significant improvement
in the accuracy of the resulting parse tree.
1.1 Dependency Parsing and Pipeline Models
Dependency trees provide a syntactic reresenta-
tion that encodes functional...
- 8
- 581
- 0
Tài liệu Báo cáo khoa học: "Logistic Online Learning Methods and Their Application to Incremental Dependency Parsing" doc
Ngày tải lên :
20/02/2014, 12:20
... applied the learning models to three problems
in incremental dependency parsing, the last of which
being prediction of full labeled dependency trees.
Our system can be seen as a unification of ... Construction
of a Basque dependency treebank. I n Proceedings of
the TLT, pages 201–204.
Sabine Buchholz and Erwin Marsi. 2006. CoNLL-X
shared task on multilingual dependency parsing. In
Proceedings ... Non-projective dependency pars-
ing using spanning tree algorithm s. In Proceedings
of HLT-EMNLP-2005.
Joakim Nivre. 2003. An efficient algorithm for p rojec -
tive dependency parsing. In Proceedings...
- 6
- 470
- 0
Tài liệu Báo cáo khoa học: "Pseudo-Projective Dependency Parsing" doc
Ngày tải lên :
20/02/2014, 15:20
... the finite-state
dependency parser for Turkish by Oflazer (2003).
This is in contrast to dependency treebanks, e.g.
Prague Dependency Treebank (Haji
ˇ
c et al., 2001b),
Danish Dependency Treebank ... the
Prague Dependency Treebank and the Danish De-
pendency Treebank. In section 5, we then evaluate
the entire parsing system by training and evaluating
on data from the Prague Dependency Treebank.
2 Dependency ... Transformations
We assume that the goal in dependency parsing is to
construct a labeled dependency graph of the kind de-
picted in Figure 1. Formally, we define dependency
graphs as follows:
1. Let...
- 8
- 386
- 0
Tài liệu Báo cáo khoa học: "Bilingual Terminology Acquisition from Comparable Corpora and Phrasal Translation to Cross-Language Information Retrieval" pptx
Ngày tải lên :
20/02/2014, 16:20
... as
well as evaluations on Cross- Language Information
Retrieval (CLIR). CLIR consists of retrieving docu-
ments written in one language using queries written
in another language. An application ... we conducted experiments
and evaluations on Japanese-English language pair,
the proposed translation model is common across
different languages.
Ongoing research is focused on the integration of
other ... and tar-
get language parts of the comparable corpora us-
ing statistics-based measures. Co-occurrence ten-
dencies are estimated for each pair of source terms
using the source language text...
- 4
- 377
- 0
Tài liệu Báo cáo khoa học: "From HOPE en I''''ESPERANCE On the Role of Computational Neurolinguistics in Cross-Language Studies " pptx
Ngày tải lên :
21/02/2014, 20:20
... approaches to natural language
processing assume a neural-like control paradigm,
it is possible to assume that such a paradigm will
work equally well for other natural languages by
simply ... neurolinguistically motivated CN
model for a second language can be seen to moti-
vate a different type of question with regard to
the second language than occurs when one bases the
studies on ... paradigms, we have demonstrated how one
can begin to study universals of language in a new
perspective.
The CN paradigm for natural language proces-
sing includes claims that new perspectives on
linguistically...
- 5
- 609
- 0
Tài liệu Báo cáo khoa học: "Effect of Cross-Language IR in Bilingual Lexicon Acquisition from Comparable Corpora" pot
Ngày tải lên :
22/02/2014, 02:20
... Term
Correspondences from Cross-
Lingually Relevant Texts
3.1 Cross- Language Retrieval of Rele-
vant News Articles
This section gives the overview of our framework
of cross- language retrieval of ... performance of cross- language re-
trieval of
"identical" I "relevant"
reference ar-
ticle pairs (Utsuro and others, 2002). In the
direction of English to Japanese cross- language
retrieval, ... sim-
ilarities across languages, earlier works
such as Fung (1995), Rapp (1995), and
Tanaka and Iwasaki (1996) studied to mea-
sure the similarities of contextual co-occurrence
patterns across languages...
- 8
- 477
- 0