Báo cáo khoa học: "Automated Whole Sentence Grammar Correction Using a Noisy Channel Model" pptx
Báo cáo khoa học: "Automated Whole Sentence Grammar Correction Using a Noisy Channel Model" pptx
... erroneous
0
1
a: a/0.6
2
an:an/0.4
3
cat:cat/1
4
ear:ear/1
5
ε:ε/1
ε:ε/1
0
a: a/0.95[0.95,0]
a: an/0.05[0,0.05]
an:an/1
cat:cat/1
ear:ear/1
0
1
a: a/0.57[0.57,0]
a: an/0.03[0,0.03]
2
an:an/0.4
3
cat:cat/1
4
ear:ear/1
5
ε:ε/1
ε:ε/1
Figure ... task, where we are trying to ‘translate’ a
sentence from an ‘incorrect grammar language to
a ‘correct grammar language. Under this idea, the...
Báo cáo khoa học: "Pattern Learning for Relation Extraction with a Hierarchical Topic Model" pptx
... appear
for all relations. φ
D
captures patterns that are spe-
cific about a certain entity pair, but which are not
generalizable across all pairs with the same relation.
Finally φ
A
contains the patterns ... that are expressing
the relation and those that are ambiguous and can be
applied across relations. In this way, high-precision
extraction patterns can be learned without the need
of an...
Báo cáo khoa học: "Dictionary Definitions based Homograph Identification using a Generative Hierarchical Model" docx
... discarded, leaving a set of 202 words
(the “gold standard”) on which at least 3 of the 4
annotators agreed. The best agreement between the
gold standard and a human annotator was 0.87
kappa, ... psycholinguistic studies of homographs
(Twilley et al., 1994; Azuma, 1996) or on the Aca-
demic Word List (Coxhead, 2000).
Four annotators at, the Qualitative Data Analysis
Program at the U...
Báo cáo khoa học: "Modeling Human Sentence Processing Data with a Statistical Parts-of-Speech Tagger" ppt
... average probability decrease was greater in
garden-path sentences compared to their unam-
biguous control sentences. This indicates that
garden-path sentences are more difficult than un-
ambiguous ... the human
sentence processing mechanism (HSPM). Prima
facie it seems unlikely that such a tagger will be
adequate, because almost all previous researchers
have assumed, following standard lin...
Báo cáo khoa học: " Parsing the Wall Street Journal using a Lexical-Functional Grammar and Discriminative Estimation Techniques" doc
... grammar coverage, i.e. the fact
that not all sentences receive an analysis, is tack-
led in our approach by an extension of a full-
fledged Lexical-Functional Grammar (LFG) and a
constraint-based ... Parsing the Wall Street Journal using a Lexical-Functional Grammar and
Discriminative Estimation Techniques
Stefan Riezler Tracy H. King Ronald M. Kaplan
Palo Alto Research Center Pa...
Báo cáo khoa học: "Determining the Specificity of Terms using Compositional and Contextual Information" pptx
...
specificity measuring. A set of journal abstracts
was extracted from MEDLINE
2
database using
the disease names as quires. Therefore, all the
abstracts are related to some of the disease names.
The ... calculated
incrementally starting from head noun. In this
manner, specificity value of a term is always lar-
ger than that of the base (head) term. This result
answers to the ass...
Báo cáo khoa học: "Unsupervised Learning of Arabic Stemming using a Parallel Corpus" pot
... Phrase: the advisory committee
Arabic Phrase: Alljnp AlAst
$
Aryp
Task: stem AlAst
$
Aryp
Choices Score
AlAst$Aryp 0.8
AlAst$Aryp 0.7
AlAst$Ary 0.6
AlAst$Aryp 0.1
.
.
.
.
.
.
Figure 4: Alternate ... text.
1.1 Arabic details
In this paper, Arabic was the target language but the
approach is applicable to any language that needs
affix removal. In Arabic, unlike English, both pre-
fixes and suffixes...
Báo cáo khoa học: "Joint Hebrew Segmentation and Parsing using a PCFG-LA Lattice Parser" docx
... sym-
bols in treebank-derived grammars can result in ac-
curate grammars. Their work triggered investiga-
tions in automatic grammar refinement and state-
splitting (Matsuzaki et al., 2005; Prescher, ... unlexicalized, treebank-derived gram-
mars, and showed that better grammars contribute
to better segmentation accuracies. Goldberg et al.
(2009) showed that segmentation and parsing ac-
cura...
Báo cáo khoa học: "Improving data-driven dependency parsing using large-scale LFG grammars" pptx
... (LAS)
and unlabeled attachment score (UAS).Statistical
significance is checked using Dan Bikel’s random-
ized parsing evaluation comparator.
4
shared task (Nivre et al., 2006b). For both languages, ... English
XLE-parses.
4 Data-driven dependency parsing
MaltParser (Nivre et al., 200 6a) is a language-
independent system for data-driven dependency
parsing which is freely available.
1
MaltP...
Báo cáo khoa học: "Analysis of Selective Strategies to Build a Dependency-Analyzed Corpus" pptx
... developed
such as rule-based analyzers and corpus-based
analyzers that use machine-learning techniques.
However, the maximum accuracy achieved by
state-of-the art analyzers is almost 90% for news-
paper articles; ... perfor-
mance. Actually, Sasano tried to expand the fea-
ture set for a Japanese dependency analyzer using
SVMs in (Sasano, 2004), with a small improve-
ment in accuracy.
T...