deep learning for chinese word segmentation and pos tagging
Báo cáo khoa học: "An Error-Driven Word-Character Hybrid Model for Joint Chinese Word Segmentation and POS Tagging" docx
Ngày tải lên :
17/03/2014, 01:20
... model for joint chinese
word segmentation and part-of-speech tagging. In
Proceedings of ACL.
Wenbin Jiang, Haitao Mi, and Qun Liu. 2008b. Word
lattice reranking for chinese word segmentation and
part-of-speech ... word segmentation and pos tag-
ging. In Proceedings of ACL Demo and Poster Ses-
sions.
Tetsuji Nakagawa. 2004. Chinese and japanese word
segmentation using word- level and character-level
information. ... discriminative
word- character hybrid model for joint Chi-
nese word segmentation and POS tagging.
Our word- character hybrid model offers
high performance since it can handle both
known and unknown words....
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Báo cáo khoa học: "Automatic Adaptation of Annotation Standards: Chinese Word Segmentation and POS Tagging – A Case Study" potx
Ngày tải lên :
17/03/2014, 01:20
... that when word segmenta-
tion and POS tagging are conducted jointly, the
performance for segmentation improves since the
POS tags provide additional information to word
segmentation (Ng and Low, ... in the context of Chinese word
segmentation and part-of-speech tagging,
where no segmentation and POS tagging
standards are widely accepted due to the
lack of morphology in Chinese. Experi-
ments ... pars-
ing (and translation).
Experiments adapting from PD to CTB are con-
ducted for two tasks: word segmentation alone,
and joint segmentation and POS tagging (Joint
S&T). The performance...
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Tài liệu Báo cáo khoa học: "Joint Word Segmentation and POS Tagging using a Single Perceptron" docx
Ngày tải lên :
20/02/2014, 09:20
... proposed a hy-
brid model for word segmentation and POS tagging
using an HMM-based approach. Word information is
used to process known-words, and character infor-
mation is used for unknown words ... outputs.
In this paper, we propose a novel joint model
for Chinese word segmentation and POS tagging,
which does not limiting the interaction between
segmentation and POS information in reducing the
combined ... rare POS pattern “number
word + “number word can help to prevent seg-
menting a long number word into two words.
In order to avoid error propagation and make use
of POS information for word segmentation, ...
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Báo cáo khoa học: "A Cascaded Linear Model for Joint Chinese Word Segmentation and Part-of-Speech Tagging" pdf
Ngày tải lên :
08/03/2014, 01:20
... that segmentation and POS tagging task
is to divide a character sequence into several subse-
quences and label each of them a POS tag.
It is a better idea to perform segmentation and
POS tagging ... each word- POS pair p (of length l) to the
tail of each candidate result at the prior position of p
(position i −l), and select for position i a N-best list
of candidate results from all these candidates. ... single-character word and multi-
character word respectively. In order to perform
POS tagging at the same time, we expand boundary
tags to include POS information by attaching a POS
to the tail...
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Báo cáo khoa học: "A Stacked Sub-Word Model for Joint Chinese Word Segmentation and Part-of-Speech Tagging" potx
Ngày tải lên :
17/03/2014, 00:20
... inter-
mediate sub -word structure for joint segmentation
and tagging. Since the sub-words are large enough
in practice, the decoding for POS tagging over sub-
words is efficient. Finally, the Chinese language ... c
#c
),
the task of word segmentation and POS tagging is
to predict a sequence of word and POS tag pairs
y = (w
1
, p
1
, w
#y
, p
#y
), where w
i
is a word, p
i
is its POS tag, and a “#” symbol ... stacked learning is
used to acquire extended training data for sub -word
tagging.
3 Method
3.1 Architecture
In our stacked sub -word model, joint word segmen-
tation and POS tagging is decomposed...
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Báo cáo khoa học: "Parsing the Internal Structure of Words: A New Paradigm for Chinese Word Segmentation" doc
Ngày tải lên :
17/03/2014, 00:20
... model for integrated morphological
and syntactic parsing. First and foremost, we cur-
rently know of no other same effort in parsing the
structures of Chinese words, and we have to anno-
tate word ... many efforts to in-
tegrate Chinese word segmentation, part-of-speech
tagging and parsing (Wu and Zixin, 1998; Zhou and
Su, 2003; Luo, 2003; Fung et al., 2004). However,
in these research all words ... June. Association for Computational Linguis-
tics.
Wenbin Jiang, Liang Huang, and Qun Liu. 2009. Au-
tomatic adaptation of annotation standards: Chinese
word segmentation and POS tagging – a case...
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Báo cáo khoa học: "Discriminative Pruning of Language Models for Chinese Word Segmentation" ppt
Ngày tải lên :
17/03/2014, 04:20
... Bin Swen,
and Baobao Chang. 2003. Specification for Corpus
Processing at Peking University: Word Segmenta-
tion, POS Tagging and Phonetic Notation. Journal
of Chinese Language and Computing, ... Combined
Model and KLD Model
5 Conclusions and Future Work
A discriminative pruning criterion of n-gram lan-
guage model for Chinese word segmentation was
proposed in this paper, and a step-by-step ...
model for Chinese word segmentation was pro-
posed. Gao et al. (2005) further developed it to a
linear mixture model. In these statistical models,
language models are essential for word segmen-
tation...
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Tài liệu Báo cáo khoa học: "Chinese Word Segmentation without Using Lexicon and Hand-crafted Training Data" pdf
Ngày tải lên :
20/02/2014, 18:20
... Chinese
word segmentation is therefore the first step for any
Chinese information processing system[ 1].
Almost all methods for Chinese word
segmentation developed so far, both statistical and ...
Abstract
Chinese word segmentation is the first step in any
Chinese NLP system. This paper presents a new
algorithm for segmenting Chinese texts without
making use of any lexicon and hand-crafted ... Automatic Word
Segmentation System for Written Chinese Texts",
Journal of Chinese Information Processing,
Vol. 1,
No.2, 1987 (in Chinese)
[2] Fan C.K.,Tsai WH., "Automatic Word
Identification...
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Báo cáo khoa học: "Exploring Deterministic Constraints: From a Constrained English POS Tagger to an Efficient ILP Solution to Chinese Word Segmentation" ppt
Ngày tải lên :
07/03/2014, 18:20
... of a word and I
all other positions; and 2) BMES: where B, M and E
represent the beginning, middle and end of a multi-
character word respectively, and S tags a single-
character word. For example, ... NNS
w
0
=last & w
−1
= the → JJ
Table 7: Deterministic constraints for POS tagging.
Deterministic constraints for POS tagging
For English POS tagging, we evaluate the deter-
ministic constraints generated ... likelihood of each possible tag or the
relative rank of their likelihoods.
Deterministic constraints for character tagging
For the character tagging formulation of Chinese
word segmentation, we...
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Báo cáo khoa học: "Subword-based Tagging for Confidence-dependent Chinese Word Segmentation" pdf
Ngày tải lên :
17/03/2014, 04:20
... proposed a subword-based tagging for
Chinese word segmentation to improve
the existing character-based tagging. The
subword-based tagging was implemented
using the maximum entropy (MaxEnt)
and ... a Chi-
nese word has discriminative roles for word
composition. For example, single-character
words are more apt to form new words than
are multiple-character words. Features using
word length ... methods
with Chinese word segmentation, with which our re-
sults were compared. Section 5 provides the con-
cluding remarks and outlines future goals.
2 Chinese word segmentation framework
Our word segmentation...
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Tài liệu Báo cáo khoa học: "A Joint Statistical Model for Simultaneous Word Spacing and Spelling Error Correction for Korean" pdf
Ngày tải lên :
20/02/2014, 12:20
...
Christoper C. Yang and K. W. Li. 2005. A Heuristic
Method Based on a Statistical Approach for Chinese
Text Segmentation. Journal of the American Society
for Information Science and Technology, ... Each word
in a sentence is compared to word dictionary en-
tries, and if the word is not in the dictionary, then
the system assumes that the word has spelling er-
rors. Then corrected candidate ... corrected candidate words are suggested
by the system from the word dictionary, according
to some metric to measure the similarity between
the target word and its candidate word, such as
edit-distance...
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Tài liệu Báo cáo khoa học: "Rethinking Chinese Word Segmentation: Tokenization, Character Classification, or Wordbreak Identification" pdf
Ngày tải lên :
20/02/2014, 12:20
... Processing, pp. 147-173.
Gao, J. and A. Wu and Mu Li and C N.Huang and H. Li
and X. Xia and H. Qin. 2004. Adaptive Chinese Word
Segmentation. In Proceedings of ACL-2004.
Meng, H. and C. W. Ip. 1999. An ... N. 2003. Chinese Word Segmentation as Charac-
ter Tagging. Computational Linguistics and Chinese
Language Processing. 8(1): 29-48
Redington, M. and N. Chater and C. Huang and L. Chang
and K. Chen. ... that
Chinese word segmentation is the classifi-
cation of a string of character-boundaries
(CB’s) into either word- boundaries (WB’s)
and non -word- boundaries. In Chinese, CB’s
are delimited and...
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Báo cáo khoa học: "Accurate Learning for Chinese Function Tags from Minimal Features" pdf
Ngày tải lên :
08/03/2014, 01:20
... features for function labeling.
Specifically, our proposal is to classify function
types directly from lexical features like words and
their POS tags and the surface sentence informa-
tion like the word ... round.
FT1 word & POS tags within [-2,+2]
FT2 word & POS tags within [-3,+3]
FT3 word & POS tags within [-4,+4]
FT4 FT3 plus POS bigrams within [-4,+4]
FT5 FT4 plus verbs
FT6 FT5 plus POS ... performance. We adopt auto-
matic POS tagger of (Qin et al., 2008), which got
the first place in the forth SIGHAN Chinese POS
tagging bakeoff on CTB open test, to assign POS
tags for our data. Following...
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Using Online Learning for At-Risk Students and Credit Recovery ppt
Ngày tải lên :
15/03/2014, 04:20
... scalable and able
to expand more easily than programs based entirely on brick -and- mortar classrooms.
Success stories and anecdotes regarding the benefits and value of online learning for both ... high demand online courses in career
planning and basic math, and optional courses in digital photography and forensic science, to
motivate students while they develop the independent learning ... school, not -for- profit, for- profit, or other institution. Thirty states
and more than half of the school districts in the United States offer online courses and services,
and online learning is...
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Báo cáo khoa học: "Semi-Supervised Conditional Random Fields for Improved Sequence Segmentation and Labeling" pdf
Ngày tải lên :
17/03/2014, 04:20
... regularizer can be seen as a composition,
, where ,
and ,
. For scalar , the
second derivative of a composition, , is
given by (Boyd and Vandenberghe 2004)
Although and are concave here, since is ... classification), since hand-labeling individ-
ual words and word boundaries is much harder
than assigning text-level class labels.
Many approaches have been proposed for semi-
supervised learning in the ... training set consisting of 5448
words, and considered alternative unlabeled train-
ing sets, (5210 words), (10,208 words), and
(25,145 words), consisting of the same, 2 times
and 5 times as many sentences...
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- adaptive chinese word segmentation
- confidencedependent chinese word segmentation
- joint chinese word segmentation
- chinese word segmentation and pos tagging
- automatic adaptation of annotation standards chinese word segmentation and pos tagging
- unified framework of performing chinese word segmentation and part of speech tagging
- word lattice reranking for chinese word segmentation and partofspeech tagging
- joint chinese word segmentation pos tagging and parsing
- a hybrid approach to word segmentation and pos tagging
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