verb sense disambiguation dmitriy dligach
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
... 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 ... Evaluation
To evaluate our five 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 ... a word sense transla-
tion table, in which look-ups are performed during
the testing phase. This system also differs from the
Uvt-WSD and ParaSense systems in the sense that
the word senses are...
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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
... un-
supervised 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 ... supervised preposition sense
disambiguation approach which explores different
settings; Tratz and Hovy (2009), Hovy et al. (2010)
make explicit use of the arguments for preposition
sense disambiguation, ... and 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...
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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
... 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 ... Word Sense Disambiguation
Within a Multilingual Framework. PhD
thesis,
University of Maryland College Park.
Mona Diab. 2004a. Relieving the Data Acquisition
Bottleneck in Word Sense Disambiguation. ... has
the same number 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...
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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
... describes SENSELEARNER – a
minimally supervised word sense disam-
biguation system that attempts to disam-
biguate all content words in a text using
WordNet senses. We evaluate the accu-
racy of SENSELEARNER ... stan-
dard sense- annotated data sets, and show
that it compares favorably with the best re-
sults reported during the recent SENSEVAL
evaluations.
1 Introduction
The task of word sense disambiguation ... 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...
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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
... with sense class 1
: training example with sense class 2
: test example with unknown sense class
: test example with predicted sense
first principal
“ quasi-axis”
class 2 (correct sense ... the Senseval 2 English
lexical sample task. It includes 73 target words,
among which nouns, adjectives, adverbs and verbs.
For each word, training and test instances tagged
with WordNet senses ... and Jessica Stevens.
Supervised sense tagging using support vector
machines. In Proceedings of Senseval-2, Sec-
ond International Workshop on Evaluating Word
Sense Disambiguation Systems, pages...
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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
... verbs
which had different predominant senses between
the BC and WSJ parts of the corpus. This gave
us a set of 37 nouns and 28 verbs. For experi-
ments involving the nouns of SENSEVAL-2 and
SENSEVAL-3 ... score for each sense of a word
to predict the predominant sense. As in our earlier
work (Chan and Ng, 2005b), we normalized the
prevalence score of each sense to obtain estimated
sense priors for ... and Hwee Tou Ng. 2005a. Scaling
up word sense disambiguation via parallel texts. In
Proc. of AAAI05.
Yee Seng Chan and Hwee Tou Ng. 2005b. Word
sense disambiguation with distribution estimation.
In...
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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
... results of verbs disambiguation
of SENSEVAL-2 in the transformed context
spaces
Although our metrics can measure the similarity
of nouns and verbs through the derived related
form of verbs (not ... to Perform Word Sense Disambiguation.
Sinopalnikova, A. (2004). Word Association Thesau-
rus as a Resource for Building Wordnet. In GWC
2004.
Sussna, M. (1993). Word Sense Disambiguation for ... Issue on Senseval: Evaluating Word Sense
Disambiguation Programs. Computers and the
Humanities 34(1-2): 1-13.
Kilgarriff, A. and J. Rosenzweig (2000). Framework
and Results for English Senseval....
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Báo cáo khoa học: "Word Sense Disambiguation Improves Statistical Machine Translation" docx
Ngày tải lên :
08/03/2014, 02:21
... 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. ... gram-
mar rule as its translation. Hence, unlike traditional
WSD where the sense classes are tied to a specific
sense inventory, our “senses” here consist of the En-
glish phrases extracted as translations ... is that
in resolving sense ambiguity, a WSD system will be
able to help an MT system to determine the correct
translation for an ambiguous word. To determine the
correct sense of a word, WSD...
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Báo cáo khoa học: "Learning Expressive Models for Word Sense Disambiguation" pot
Ngày tải lên :
08/03/2014, 02:21
... simple, containing only
the sentence identifier and the sense of the verb in
that sentence, i.e. sense( snt, sense) :
sense( snt
1
,voltar).
sense( snt
2
,ir). …
Based on the examples, background ... for each verb which use the
most frequent translation are shown in Table 1.
For the monolingual scenario, we use the sense
tagged corpus and sense repositories provided for
verbs in Senseval-3. ... monolingual task (Senseval-3 verbs
with fine-grained sense distinctions and using the
evaluation system provided by Senseval). It also
shows the average accuracy of the most frequent
sense and accuracies...
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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
... nouns. For instance, these nouns have an
average of 6.7 senses in BC and 6.8 senses in WSJ.
This is slightly higher than the 5.8 senses per verb in
(Chen et al., 2006), where the experiments were ... “oracle” which determines the
predominant sense, or most frequent sense (MFS),
of each noun in our WSJ test data perfectly, and
we assign this most frequent sense to each noun in
the test data, we ... we explore the issue of different sense
priors across different domains. Using the sense
priors estimated by expectation-maximization (EM),
the predominant sense in the new domain is pre-
dicted....
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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
...
Measure
Context
Target Sense
Preprocessing
Format Filter
Sense Inventory
Context Selection
Postprocessing
Pick Sense
Figure 1: A generalized framework for Word Sense Disambiguation.
modules ... a method
of word sense disambiguation that com-
putes the intended sense of a target word,
using WordNet-based measures of seman-
tic relatedness (Patwardhan et al., 2003).
SenseRelate::TargetWord ... Arbor, June 2005.
c
2005 Association for Computational Linguistics
SenseRelate::TargetWord – A Generalized Framework
for Word Sense Disambiguation
Siddharth Patwardhan
School of Computing
University...
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Báo cáo khoa học: "Unsupervised Sense Disambiguation Using Bilingual Probabilistic Models" pdf
Ngày tải lên :
08/03/2014, 04:22
... Issue on Senseval, 34:147-152.
Adam Kilgarrif and Joseph Rosenzweig. 2000.
Framework and results for english senseval.
Computers and the Humanities, 34(1):15–48.
Dekang Lin. 2000. Word sense disambiguation
with ... English senses for . Each English trans-
lation for has its set of English sense labels
drawn from WordNet. So the relevant English sense
labels for may be defined as .
We call this the English sense ... the s to define the Spanish senses.
We may imagine each Spanish word to come from
one or more Spanish senses. If each word has a
single sense, then we add a Spanish sense for
each and all Spanish...
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Báo cáo khoa học: "Chinese Verb Sense Discrimination Using an EM Clustering Model with Rich Linguistic Features" pot
Ngày tải lên :
08/03/2014, 04:22
... and
without lexical sets for three Chinese verbs
Verb| Pinyin Sample senses of
the verb
# Senses in
test data
# Sense
groups in
test data
Sense
perplexity
#
Clusters
# Training
instances ... learning sense
distinctions of other verbs. For example, the verb
“见|jian4” has one sense see, in which the verb
typically takes a Human subject and a sentential
complement, while in another sense ... “出| chu1” has a sense
of produce, the distinction between this sense and
the verb s other senses, such as happen and go out,
largely depends on the semantic category of the
verb s direct object....
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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
... Stevens.
2002. Supervised Sense Tagging using Support Vector
Machines. Proceedings of the Second International
Workshop on Evaluating Word Sense Disambiguation
Systems (SENSEVAL-2). Toulouse, France.
Scott ... the noun senses
in this test set. For instance, it only considers the
homonymic senses 1, 2 and 3 of spade, yet, in the
current test set, spade has 6 senses, due to the exis-
tence of sub senses.
26 ... 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 grouping,
senses...
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Báo cáo khoa học: "Exploiting Parallel Texts for Word Sense Disambiguation: An Empirical Study" potx
Ngày tải lên :
08/03/2014, 04:22
...
church could be the physical building sense (教
堂), or the institution sense ( 教会). In manual
sense tagging done in SENSEVAL-2, it is possible
to assign two sense tags to church in this case, but ... sample task of SENSEVAL-2. We
rely on two sources to decide on the sense classes
of w:
(i) The sense definitions in WordNet 1.7, which
lists seven senses for the noun channel. Two
senses are ... Word Sense
Disambiguation Systems (SENSEVAL-2), pages 1-5.
Gerard Escudero, Lluis Marquez, and German Rigau.
2000. An empirical study of the domain dependence
of supervised word sense disambiguation...
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