Báo cáo khoa học: "UNSUPERVISED WORD SENSE DISAMBIGUATION RIVALING SUPERVISED METHODS" ppt
Báo cáo khoa học: "UNSUPERVISED WORD SENSE DISAMBIGUATION RIVALING SUPERVISED METHODS" ppt
... UNSUPERVISED WORD SENSE DISAMBIGUATION
RIVALING SUPERVISED METHODS
David Yarowsky
Department of Computer and Information ... collocations for tar-
get senses of a word, given a few
seed
collocations
1Note that the problem here is sense
disambiguation:
assigning each instance of a word to established sense
definitions ... One sense per collocation: 2 Nearby words
p...
Tài liệu Báo cáo khoa học: "SenseLearner: Word Sense Disambiguation for All Words in Unrestricted Text" doc
... 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 ... model
learning
Sense tagged
text
semantic models
SenseLearner
definitions
Word sense
disambiguation
Trained semantic
models
Sense tagged
texts
Figure 1: Semantic model l...
Tài liệu Báo cáo khoa học: "Direct Word Sense Matching for Lexical Substitution" ppt
... address
sense matching in lexical substitution is applying
Word Sense Disambiguation (WSD) to identify
the senses of the source and target words. Then,
substitution is applied only if the words ... all WordNet synonyms of the target word, under
all its possible senses, and picking randomly one
of the synonyms as the source word. For example,
the word ‘disc’ is one of the words in...
Báo cáo khoa học: "Knowledge-rich Word Sense Disambiguation Rivaling Supervised Systems" pptx
... to WordNet
During the first phase of our methodology we aim
to establish links between Wikipages and Word-
Net senses. Formally, given the entire set of pages
Senses
Wiki
and WordNet senses Senses
WN
, ... we define its disambiguation
context Ctx(w) as the set of words obtained from
some or all of the three sources above.
3.2.2 Disambiguation Context of a WordNet
Sense
Given a WordNet...
Tài liệu Báo cáo khoa học: "Bayesian Word Sense Induction" pdf
... Introduction
Sense induction is the task of discovering automat-
ically all possible senses of an ambiguous word. It
is related to, but distinct from, word sense disam-
biguation (WSD) where the senses ... the generated word. Then, the word sense
is selected based on the word, neighbor, and topic.
Boyd-Graber et al. (2007) extend the topic mod-
eling framework to include WordNet...
Báo cáo khoa học: "Determining Word Sense Dominance Using a Thesaurus" potx
... which can be used for
unsupervised word sense disambiguation
and estimating distributional similarity of
word senses, as well.
1 Introduction
The occurrences of the senses of a word usually
have skewed ... two
words on either side of the target word, but rather windows
of
5 words in our experiments.
3
SENSEVAL-1 head words have a wide range of possible
senses, and availability of a...
Báo cáo khoa học: "Unsupervised Word Alignment with Arbitrary Features" potx
... Models 1
and 2 (where target words were generated one by
one from source words independently of each other)
had to be abandoned in favor of one in which each
source word had to first decide how ... by
restricting the set of words that each source word can
translate into. Thus, the model will not discriminate
4
States contain a bit more information than the index of the
previous source wor...
Báo cáo khoa học: "Robust Word Sense Translation by EM Learning of Frame Semantics" docx
... mapped to a tar-
get semantic frame if many word senses in
the two frames translate to each other;
2. A source word sense translates into a target
word sense if their parent frames map to each ... Example word sense translation out-
put
The word sense translation accuracies of the
above words are shown in Table 2. The results
are highly positive given that those from...
Báo cáo khoa học: "Combined One Sense Disambiguation of Abbreviations" potx
...
which is a shortened form of a word or a sequence
of words, which is called the sense of the
abbreviation. Abbreviation disambiguation means
to choose the correct sense for a specific context. ...
sense is the most commonly appended sense by the
specific prefix.
2. Before/After K (1,2,3,4) Words Counted
Rule (BKWC/AKWC): The selected sense is the
most commonly preceded/s...
Tài liệu Báo cáo khoa học: "Discriminative Word Alignment with Conditional Random Fields" ppt
... model many-to-one word alignments,
where each source word is aligned with zero or
one target words, and therefore each target word
can be aligned with many source words. Each
source word is labelled ... instance, as well as detecting that a
source word is aligned to a given target word,
we would also like to encode syntactic and lexi-
cal features of the word pair, such as their...
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