Báo cáo khoa học: "An Algorithm for Unsupervised Transliteration Mining with an Application to Word Alignment" ppt
Báo cáo khoa học: "An Algorithm for Unsupervised Transliteration Mining with an Application to Word Alignment" ppt
... transliteration mining algorithm on
three tasks: transliteration mining from Wikipedia
InterLanguage Links, transliteration mining from
parallel corpora, and word alignment using a word
aligner with a transliteration ... like-
lihood of the non -transliteration pairs. Instead we
want to optimize the transliteration performance for
test data. Secondly, it is easy...
Tài liệu Báo cáo khoa học: "Machine Learning for Coreference Resolution: From Local Classification to Global Ranking" ppt
... in-
stances than McCarthy and Lehnert’s. Specifically,
a positive instance is created for each anaphoric NP,
NP
, and its closest antecedent, NP ; and a negative
instance is created for NP paired with ... Learning to Rank Candidate Partitions
We train an SVM-based ranker for ranking candidate
partitions by means of Joachims’ (2002) SVM
package, with all the parameters set to th...
Báo cáo khoa học: "Ensemble Methods for Unsupervised WSD" doc
... Oxford Collocations, the Longman
Language Activator, and collocation web sites).
Each collocation is mapped to the WordNet sense
inventory in a semi-automatic manner (Navigli,
2005) and transformed ... outperforming any
single method in every frequency band and that
the rank-based ensemble consistently outperforms
Similarity and SSI in all bands. Although Similar-
ity has an advantage ove...
Báo cáo khoa học: "Clustering Clauses for High-Level Relation Detection: An Information-theoretic Approach" pdf
... since many nouns can only play a certain
part in the clause (for instance, many verbs can-
not have an inanimate entity as their subject).
The number of instances of patterns we found
for the anchored ... statistics and dependencies within
the se ntence, correlates with a purely semantic
similarity as represented by the WordNet struc-
ture, and cannot be attributed to chance.
Figure...
Báo cáo khoa học: "Minimized Models for Unsupervised Part-of-Speech Tagging" pot
... Bayesian
framework and show how EM can be used to learn
good POS taggers for Hebrew and English, when
provided with good initial conditions. They use
language specific information (like word contexts,
syntax ... In such cases, any word not
appearing in the dictionary will be treated as an
unknown word, and can be labeled with any of
the tags from given tagset (i.e., for every...
Báo cáo khoa học: "A Framework for Unsupervised Natural Language Morphology Induction" docx
...
score the potential morphological variants with a
semantic distance. Word forms with small seman-
tic distance are proposed as morphological variants
of one anther.
Goldsmith (2001), by searching ... morphological analysis of the language(s)
at hand. The task of a morphological analyzer is to
identify the lexeme, citation form, or inflection
class of surface word forms in a l...
Báo cáo khoa học: "Statistical Models for Unsupervised Prepositional Phrase Attachment" pdf
... occurs within
K words to the left of p
• No verb occurs within K words to the
left of p
• n2 is the first noun that occurs within
K words to the right of p
• No verb occurs between p and n2 ... difficult
to port to other languages because they re-
quire resources that are expensive to construct
or simply nonexistent in other languages. We
present an unsupervised algo...
Báo cáo khoa học: "Annealing Techniques for Unsupervised Statistical Language Learning" ppt
... increased variance of the per-
formance of any algorithm so ten small corpora
were not enough to determine whether to expect an
improvement from DA more often than not.
4.3 Mixing labeled and unlabeled ... but is too lengthy to give
here; it is a straightforward extension of that given
by Neal and Hinton for EM.
It is clear that the value of β allows us to manip-
ulate the relati...
Tài liệu Báo cáo khoa học: Structural basis for cyclodextrin recognition by Thermoactinomyces vulgaris cyclo⁄maltodextrin-binding protein ppt
... maltooligo-
saccharides, such as maltose, maltotriose and malto-
tetraose [17], and this form is capable of interacting
with the MalFGK
2
sugar-transporter complex. In
contrast, the open form ... found to form
the same contacts with TvuCMBP in Mol-A–D. The
rmsd between Mol-A and Mol-B, Mol-A and Mol-C,
Mol-A and Mol-D are 0.77, 0.94, and 0.74 A
˚
, respect-
ively, for all atoms, and 0...
Tài liệu Báo cáo khoa học: "Corpus Expansion for Statistical Machine Translation with Semantic Role Label Substitution Rules" doc
... Expansion for Statistical Machine Translation with
Semantic Role Label Substitution Rules
Qin Gao and Stephan Vogel
Language Technologies Institute, Carnegie Mellon University
5000 Forbes Avenue
Pittsburgh, ... corpus. We used an
SVM classifier with features derived from standard
phrase based translation models and bilingual lan-
guage models to identify high quality sentence pairs,...