combined one sense disambiguation of abbreviations
Báo cáo y học: " Rationale for one stage exchange of infected hip replacement using uncemented implants and antibiotic impregnated bone graft"
Ngày tải lên :
26/10/2012, 09:53
... disrupted from biofilms that may be the
cause of recurrence after an indefinite period of time.
Fragments of biofilms seem to be more vulnerable for
antibiotics compared with intact biofilm systems ... Masri B. Treatment of infection associated with seg-
mental bone loss in the proximal part of the femur in two stages with use of an
antibiotic-loaded interval prosthesis. J Bone Joint Surg Am ... into biofilm covering infected prostheses and effect on
bacteria. J Infect Dis 1994;170(3):720-3.
39. Rose WE, Poppens PT. Impact of biofilm on the in vitro activity of vancomycin
alone and...
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Tài liệu Báo cáo khoa học: "ParaSense or How to Use Parallel Corpora for Word Sense Disambiguation" pdf
Ngày tải lên :
20/02/2014, 05:20
... Cross-Lingual Word
Sense Disambiguation task for all five target
languages.
1 Introduction
Word Sense Disambiguation (WSD) is the NLP
task that consists in selecting the correct sense of
a polysemous ... classifiers, we used the sense in-
ventory and test set of the SemEval “Cross-Lingual
Word Sense Disambiguation task. The sense inven-
tory was built up on the basis of the Europarl corpus:
all ... Machine-
Learning of Word Sense Disambiguation. Natural
Language Engineering, Special Issue on Word Sense
Disambiguation Systems, 8:311–325.
N. Ide, T. Erjavec, and D. Tufis¸. 2002. Sense discrimi-
nation...
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Tài liệu Báo cáo khoa học: "Models and Training for Unsupervised Preposition Sense Disambiguation" pptx
Ngày tải lên :
20/02/2014, 05:20
... shopped in
Rome. The senses of each element are denoted by a
barred letter, i.e., ¯p denotes the preposition sense,
¯
h
denotes the sense of the head word, and ¯o the sense
of the object.
3 Data
We ... aware of
(Hovy et al., 2010) reaches 84.8%.
7 Related Work
The semantics of prepositions were topic of a special
issue of Computational Linguistics (Baldwin et al.,
2009). Preposition sense disambiguation ... preposition sense disambiguation.
Our best accuracy reaches 56%, a significant
improvement (at p <.001) of 16% over the
most-frequent -sense baseline.
1 Introduction
Reliable disambiguation of words...
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Tài liệu Báo cáo khoa học: "An Equivalent Pseudoword Solution to Chinese Word Sense Disambiguation" ppt
Ngày tải lên :
20/02/2014, 12:20
... Every EP should map to one and only one
original ambiguous word.
2) The morphemes of an EP should map one
by one to those of the original ambiguous word.
3) The sense of the EP should be the ... of EPs as of senses. Each EP's
sense maps to a sense of ambiguous word.
The semantic equivalence demands further
equivalence at each sense level. Every corre-
458
Proceedings of the 21st ... words
for every sense of the word in construction of the
EP, rich semantic information can be acquired in
the training step and is an advantage for sense
disambiguation.
2) Senseval-3 has...
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Tài liệu Báo cáo khoa học: "SenseLearner: Word Sense Disambiguation for All Words in Unrestricted Text" doc
Ngày tải lên :
20/02/2014, 15:20
... each of
the SENSEVAL-2 and SENSEVAL-3 data sets), while
the performance did not exceed the one obtained with
the more general semantic models.
The average disambiguation precision obtained
with SENSELEARNER ... using
WordNet senses. We evaluate the accu-
racy of SENSELEARNER on several stan-
dard sense- annotated data sets, and show
that it compares favorably with the best re-
sults reported during the recent SENSEVAL
evaluations.
1 ... Evaluation
The SENSELEARNER system was evaluated on the
SENSEVAL-2 and SENSEVAL-3 English all words
data sets, each data set consisting of three texts from
the Penn Treebank corpus annotated with WordNet
senses....
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Tài liệu Báo cáo khoa học: "A Kernel PCA Method for Superior Word Sense Disambiguation" ppt
Ngày tải lên :
20/02/2014, 16:20
... large amounts of unsupervised data with rea-
sonable smaller amounts of supervised data such as
the Senseval lexical sample. Earlier we mentioned
that one of the promising advantages of KPCA is
that ... text analysis. In Proceedings of
Table 1: Two of the Senseval-2 sense classes for the target word “art”, from WordNet 1.7 (Fellbaum 1998).
Class Sense
1 the creation of beautiful or significant things
2 ... WordNet senses are provided. There are an av-
erage of 7.8 senses per target word type. On average
109 training instances per target word are available.
Note that we used the set of sense classes...
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Báo cáo khoa học: "Estimating Class Priors in Domain Adaptation for Word Sense Disambiguation" pdf
Ngày tải lên :
08/03/2014, 02:21
... @comp.nus.edu.sg
Abstract
Instances of a word drawn from different
domains may have different sense priors
(the proportions of the different senses of
a word). This in turn affects the accuracy
of word sense disambiguation ... sense 4
is the predominant sense in the WSJ part of the
89
evaluation on the nouns of SENSEVAL-2 English
lexical sample task (Kilgarriff, 2001). In another
recent evaluation on the nouns of SENSEVAL-
2 ... In Proc. of ICML-1996.
Gerard Escudero, Lluis Marquez, and German Rigau.
2000. An empirical study of the domain dependence
of supervised word sense disambiguation systems.
In Proc. of EMNLP/VLC00.
Adam...
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Báo cáo khoa học: "Word Sense Disambiguation using lexical cohesion in the context" ppt
Ngày tải lên :
08/03/2014, 02:21
... hub of each
sense of the target, and we don’t keep track of
other context words. In other words, after the
computation of lexical hub of the target, we can
immediately produce the right sense ...
counts of senses of all its context words, is
scored as the right meaning:
=
∑∑
==
l
i
m
j
jik
k
CTLinksTSense
11
,
),(maxarg)(
Therefore the lexical hub of each sense of the ... of work to fuse them in the fu-
ture research. In terms of the heuristics evaluated,
richness of sense or word connectivity is much
more important than the strength of individual
word or sense...
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Báo cáo khoa học: "Word Sense Disambiguation Improves Statistical Machine Translation" docx
Ngày tải lên :
08/03/2014, 02:21
... decoder.
36
Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics, pages 33–40,
Prague, Czech Republic, June 2007.
c
2007 Association for Computational Linguistics
Word Sense Disambiguation ... array of features that are not limited to the lo-
cal context of w, and some of these features may not
be used by state -of- the-art statistical MT systems.
To perform translation, state -of- the-art ... using English transla-
tions as word senses would be ideal, they instead
predicted the HowNet sense of a word and then used
the English gloss of the HowNet sense as the WSD
model’s predicted translation....
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Báo cáo khoa học: "Learning Expressive Models for Word Sense Disambiguation" pot
Ngày tải lên :
08/03/2014, 02:21
... Johnson. 2004. Mul-
ti-component Word Sense Disambiguation. Proceed-
ings of Senseval-3: 3rd International Workshop on
the Evaluation of Systems for the Semantic Analysis
of Text, Barcelona, pages ... approach to the disambiguation of nouns
has been to consider a wide context around the
ambiguous word and treat it as a bag of words or
limited set of collocates. However, disambiguation
of verbs ... features for statistical Word
Sense Disambiguation. Proceedings of Senseval-3:
3rd International Workshop on the Evaluation of Sys-
tems for the Semantic Analysis of Text, Barcelona,
pages 133-136....
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Báo cáo khoa học: "Domain Adaptation with Active Learning for Word Sense Disambiguation" pdf
Ngày tải lên :
08/03/2014, 02:21
... empirical study of the behavior of active learn-
ing for word sense disambiguation. In Proc. of
HLT/NAACL06.
H. T. Dang. 2004. Investigations into the Role of Lex-
ical Semantics in Word Sense Disambiguation. ... estimate the sense priors in the WSJ
evaluation data for each of the 21 nouns. The sense
with the highest estimated sense prior is taken as the
predominant sense of the noun.
For the set of 12 nouns ... the predominant sense of the noun interest
in the BC part of the DSO corpus has the meaning
“a sense of concern with and curiosity about some-
one or something”. In the WSJ part of the DSO cor-
pus,...
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Báo cáo khoa học: "SenseRelate::TargetWord – A Generalized Framework for Word Sense Disambiguation" doc
Ngày tải lên :
08/03/2014, 04:22
... to our approach.
One of the first approaches was that of (Lesk,
1986), which treated every dictionary definition of
a concept as a bag of words. To identify the in-
tended sense of the target word, ... Dictio-
nary of Contemporary English (LDOCE). They then
determined the extent of overlap between the sum of
the vectors of the words in the context and the sum
of the vectors of the words in each of the ...
Measure
Context
Target Sense
Preprocessing
Format Filter
Sense Inventory
Context Selection
Postprocessing
Pick Sense
Figure 1: A generalized framework for Word Sense Disambiguation.
modules to perform any of these...
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Báo cáo khoa học: "Unsupervised Sense Disambiguation Using Bilingual Probabilistic Models" pdf
Ngày tải lên :
08/03/2014, 04:22
... in-
tended meaning of does not always match per-
fectly with the intended meaning of . Generally,
a set of related senses in one language may be
translated by one of related senses in the other.
This ... the set of Spanish
senses in the cluster and the English senses relevant
for them. The relevant English senses for any Span-
ish sense is given by its
. Therefore, the union
of the s of all the ... possible senses for
each English word . The Sense model is shown
in Figure 1(a).
2.3 The Concept Model
The assumption of a one- to -one association be-
tween sense labels made in the Sense Model...
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Báo cáo khoa học: "Relieving The Data Acquisition Bottleneck In Word Sense Disambiguation" ppt
Ngày tải lên :
08/03/2014, 04:22
... value of ,
a low sense perplexity of — relatively close to
the sense perplexity of the test data — a suffi-
cient number of contexts (4350), yet it yields a PR
of . According to the manual sense ... for
Word Sense Disambiguation of unrestricted text. Pro-
ceedings of the 37th Annual Meeting of ACL. Mary-
land, USA.
Rada Mihalcea. 2002. Bootstrapping Large sense
tagged corpora. Proceedings of the ... child and
holiday: child has an STE of and comprises 7
senses at a low sense perplexity of , yet yields
a high PR of . As mentioned earlier, low STE
indicates lack of translational variation. In this...
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