Báo cáo khoa học: "Extracting Word Sets with Non-Taxonomical Relation" potx
Báo cáo khoa học: "Extracting Word Sets with Non-Taxonomical Relation" potx
... thematically (non-taxonomically)
related word sets among words in docu-
ments by employing case-marking particles
derived from syntactic analysis. We then
verified the usefulness of word sets with
non-taxonomical ... constructed
word sets consisting of these medical terms. Then,
we chose 977 word sets consisting of three or more
terms from them, and removed word se...
Báo cáo khoa học: "Unsupervised Word Alignment with Arbitrary Features" potx
... models
trained to maximize likelihood: infrequent source
words act as “garbage collectors”, with many target
words aligned to them (the word dislike in the Model
4 alignment in Figure 2 is an ... 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...
Tài liệu Báo cáo khoa học: "Discriminative Word Alignment with Conditional Random Fields" ppt
... 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 with ... tar-
get word. For the example in Figure 1, the words
la, de and une all receive a high translation score
when paired with the. To discourage all of these
French words from ali...
Tài liệu Báo cáo khoa học: "Learning Word Senses With Feature Selection and Order Identification Capabilities" pdf
... algo-
rithms for word sense discrimination. Their feature
sets included morphology of target word, part of
speech of contextual words, absence or presence of
particular contextual words, and collocation ... discovered
tight clusters called committees by grouping top
n words similar with target word using average-
link clustering. Then the target word was assigned
to committees if t...
Báo cáo khoa học: "Better Word Alignments with Supervised ITG Models" pdf
... bitext cell with
an English and foreign span. There are three rule
types: Terminal unary productions X → e, f,
where e and f are an aligned English and for-
eign word pair (possibly with one being ... 88.2 83.0 14.4
Table 2: Word alignment results on Chinese-English. Each column is a learning objective paired with an alignment
family. The first row represents our best model without...
Báo cáo khoa học: "Complementing Word Net with Roget''''s and Corpus-based Thesauri for Information Retrieval" pdf
... are not found in WordNet.
• Some kinds of words are not included in
WordNet, such as proper names.
To overcome all the above problems, we pro-
pose a method to enrich WordNet with Roget's ... drawbacks of WordNet when
applied to information retrieval by com-
plementing it with Roget's thesaurus and
corpus-derived thesauri. Words and rela-
tions which are not included in...
Báo cáo khoa học: "Extracting Lexical Reference Rules from Wikipedia" potx
... evaluated
within two lexical expansion applications, yield-
ing better results than other automatically con-
structed baselines and comparable results to Word-
Net. A combination with WordNet achieved ... a computer graphics conference
Configuration Accuracy Accuracy Drop
WordNet + Wikipedia 60.0 % -
Without WordNet 57.7 % 2.3 %
Without Wikipedia 58.9 % 1.1 %
Table 7: RTE accuracy results...
Báo cáo khoa học: "Learning Semantic Correspondences with Less Supervision" potx
... type has a dedicated null field with
its own multinomial distribution over words, in-
tended to model words which refer to that record
type in general (e.g., the word passes for passing
records). ... sequences of words of all
fields generated; note that the segmentation of w
provided by c = {c
ij
} is latent. Think of the
words spanned by a record as constituting an ut-
terance with a mea...
Báo cáo khoa học: "Extracting Hypernym Pairs from the Web" potx
... English,
the available WordNets are considerably smaller,
like for Dutch with a 44k synset WordNet. Here, the
lack of coverage creates bigger problems. A man-
ual extension of the WordNets is costly. ... term
165
C then term A is also a hypernym of term C.
In WordNets, hypernym relations are defined be-
tween senses of words (synsets). The Dutch Word-
Net (Vossen, 1998) contains 659,284 of...
Báo cáo khoa học: "Fast Online Training with Frequency-Adaptive Learning Rates for Chinese Word Segmentation and New Word Detection" docx
... based on
feature frequency information (ADF), for very fast
word segmentation with new word detection, even
given large-scale datasets with high dimensional
features. In the proposed training method, ... joint model for Chinese word
segmentation and new word detection.
• Compared with prior work, our system
achieves better accuracies on both word
segmentation and new word de...
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