languages using split words
Tài liệu Báo cáo khoa học: "Modeling Morphologically Rich Languages Using Split Words and Unstructured Dependencies" docx
Ngày tải lên :
20/02/2014, 09:20
... 9.71M 0.50M 9.45M 1.19M
4.1 Using a morphological tagger and
disambiguator
The split version of the corpus contains words
that are split into their stem and suffix forms by
using a previously developed ... 2
gives the total log-probability (using log
2
) for the
split and unsplit datasets using n-gram models
of different order. We compute the perplexity
of the two datasets using a common denomina-
tor: ... both the split and split+ 0 datasets;
therefore we ignore the cost of the OOV tokens as
is the default SRILM behavior.
Table 3: Total log probability for the 6-gram word models
on split and split+ 0...
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Báo cáo khoa học: "Designing spelling correctors for inflected languages using lexical transducers" pdf
Ngày tải lên :
17/03/2014, 23:20
...
is a whole dictionary of words or that the sys-
tem works without lexical information. Oflazer
and Guzey (1994) face the problem of correcting
words in agglutinative languages.
3.1 Correcting ... authors (van Berkel &:
de Smedt, 88). When we faced the problem of cor-
recting misspelled words the main problem found
was that because of the recent standardisation and
the widespread ... was applied to build the transducer:
1. Additional morphemes are linked to the stan-
dard ones using the possibility of expressing
two levels in the lexicon.
2. Definition of additional rules...
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Báo cáo y học: "Identification of Cellular Membrane Proteins Interacting with Hepatitis B Surface Antigen using Yeast Split-Ubiquitin System"
Ngày tải lên :
02/11/2012, 11:08
... generated
using random hexamer primer from BD Matchmaker™
Library Construction & Screening Kits User Manual (BD
Biosciences, Clontech, USA). The second strand cDNA
was synthesized using Long-Distance ...
Identification of Cellular Membrane Proteins Interacting with Hepatitis B Surface
Antigen using Yeast Split- Ubiquitin System
Qi Chun Toh, Tuan Lin Tan, Wei Qiang Teo, Chin Yee Ho, Subhajeet Parida ...
cellular proteins that interact with HBsAg and thereby contributing to HBV morphogenesis. Using the yeast split-
ubiquitin system, a number of cellular membrane proteins have been isolated in this...
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Tài liệu Báo cáo khoa học: "Word Alignment for Languages with Scarce Resources Using Bilingual Corpora of Other Language Pairs" pptx
Ngày tải lên :
20/02/2014, 12:20
... dis-
tortion probability: one for head words and the
other for non-head words.
Distortion Probability for Head Words
The distortion probability for head
words represents the relative position ... presented a word alignment approach
for languages with scarce resources using bilin-
gual corpora of other language pairs. To perform
word alignment between languages L1 and L2,
we introduce a ... the
feature vector constructed using the context
words in the English sentence to represent the
context. So we can calculate the cross-language
word similarity using the feature vectors. The...
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Tài liệu Báo cáo khoa học: "Extracting Semantic Orientations of Words using Spin Model" pdf
Ngày tải lên :
20/02/2014, 15:20
... (Schmid, 1994). 35 stopwords (quite fre-
quent words such as “be” and “have”) are removed
from the lexical network. Negation words include
33 words. In addition to usual negation words such
as “not” ... extracted
the words tagged with “Positiv” or “Negativ”, and
reduced multiple-entry words to single entries. As a
result, we obtained 3596 words (1616 positive words
and 1980 negative words)
1
. ... computation converged.
The words with high final average values are clas-
sified as positive words. The words with low final
average values are classified as negative words.
4.3 Hyper-parameter Prediction
The...
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Tài liệu Báo cáo khoa học: "An Evaluation Method of Words Tendency using Decision " docx
Ngày tải lên :
20/02/2014, 16:20
... classes. The words
belong to each class is called:
increasing -words, relatively constant -words, and
decreasing -words respectively.
Table 1 shows a sample of some classified
words according ... the words in each
group.
Table 1 Sample of Classified Words
Stability Class Example of words in each class
Increasing Words Sammy-Sosa, McGwire,
Carlos-Delgado
Relatively constant
words ... of
words frequency with time- series variation included
in both periods. The data of extracted words is shown
in Table 2.
In order to get the accuracy of the correct words that
are words...
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Báo cáo khoa học: "Using WordNet to Automatically Deduce Relations between Words in Noun-Noun Compounds" docx
Ngày tải lên :
08/03/2014, 02:21
... the
two words in that compound. Sets of compounds
from other sources would not have such associated
definitions. Second, by using compounds from
WordNet, we could guarantee that all constituent
words ... that the correct re-
lation between two words in a compound can be
deduced by finding other compounds containing
words from the same semantic categories as the
words in the compound to be disambiguated: ... obtained for that relation
from any other sense-pair, using the first term of
the score tuple as the main key for comparison
(lines 14 and 15), and using the second term as
a tie-breaker (lines 16...
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Báo cáo khoa học: "An Unsupervised Approach to Prepositional Phrase Attachment using Contextually Similar Words" potx
Ngày tải lên :
08/03/2014, 05:20
... Similar Words
The contextually similar words of a word w are
words similar to the intended meaning of w in its
context. Below, we describe an algorithm for
constructing contextually similar words ... parsed corpus.
Attachment decisions are made using a
linear combination of features and low
frequency events are approximated using
contextually similar words.
Introduction
Prepositional phrase attachment ... the
contextually similar words of w. We retrieve
from the collocation database the words that
occurred in the same dependency relationship as
w. We refer to this set of words as the cohort of
w...
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Báo cáo khoa học: "USING AN ONLINE DICTIONARY TO FIND RHYMING WORDS AND PRONUNCIATIONS FOR UNKNOWN WORDS " doc
Ngày tải lên :
08/03/2014, 18:20
... rhyming words,
in WordSmith's rhyming dimension, for an unknown
word.
Z. Rhyme
The WordSmith rhyme dimension is based on two files.
The first is a main file keyed on the spelling of words ... of
words. They also show how answer~ to these
psycholinguistic questions can, in turn, contribute to
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USING AN ON=LINE DICTIONARY TO FIND RHYMING WORDS
AND PRONUNCIATIONS FOR UNKNOWN WORDS ... in the pronunciation of
known words (Rosson, 1985).
Until recently, it was generally assumed that novel
words or pseudowords (letter strings which are not real
words of English but which conform...
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Báo cáo khoa học: "Using Mazurkiewicz Trace Languages for Partition-Based Morphology" doc
Ngày tải lên :
17/03/2014, 04:20
... Trace Lan-
guages. Recognizable languages may be imple-
mented by finite-state automata in lexicographic
normal form, using the morphism ϕ
−1
. Operations
on trace languages are implemented by operations
on ... Recogniz-
able trace languages are not closed under projection.
The reason is that the projection may delete symbols
which makes the languages of loops connected.
3 Partitioned relations and trace languages
It ... describe the mor-
phology of languages using contextual rewrite rules
which are easily applied in cascade. Rules are com-
piled into finite-state transducers and merged using
transducer composition...
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Báo cáo khoa học: "Efficient Unsupervised Discovery of Word Categories Using Symmetric Patterns and High Frequency Words" ppt
Ngày tải lên :
23/03/2014, 18:20
... number of words present in both C and
WN divided by N; (2) Precision*: the number of
correct words divided by N. Correct words are ei-
ther words that appear in the WN subtree, or words
whose ... manner, using meta-patterns comprised
of high frequency words and content words.
2. Identification of pattern candidates that give
rise to symmetric lexical relationships. This
is done using simple ... of
words present in both C and WN divided by the
number of (single) words in WN; (4) The num-
ber of correctly discovered words (New) that are
not in WN. The Table also shows the number of
WN words...
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Báo cáo khoa học: "Guessing Parts-of-Speech of Unknown Words Using Global Information" ppt
Ngày tải lên :
23/03/2014, 18:20
... POS
tags of unknown words. We propose a
probabilistic model for POS guessing of
unknown words using global information
as well as local information, and estimate
its parameters using Gibbs sampling. ... words can have, de-
scribed later), the sizes of training, test and un-
labeled data, and the splitting method of them.
For the test data and the unlabeled data, unknown
words are defined as words ... estimated
using all the training data (Figure 2, *2). Local
3
A major method for generating such pseudo unknown
words is to collect the words that appear only once in a cor-
pus (Nagata, 1999). These words...
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Báo cáo khoa học: "Using bilingual dependencies to align words in Enlish/French parallel corpora" ppt
Ngày tải lên :
23/03/2014, 19:20
... align words using various syntactic relations
in both languages, even though the category of the
words under consideration is different.
5.4 Comparative evaluation
The results achieved using ... Kluwer
Academic Publishers, pp. 371-388
Wu D. 2000. Bracketing and aligning words and con-
stituents in parallel text using Stochastic Inversion
Transduction Grammars. In Véronis, J. (Ed.), Paral-
lel ... regardless of whether the
syntactic relations are identical in both languages,
and regardless of whether the POS of the words to
be aligned are the same. To sum up, adjectives and
nouns are...
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