Tài liệu Báo cáo khoa học: "Selecting the “Right” Number of Senses Based on Clustering Criterion Functions" pdf
Tài liệu Báo cáo khoa học: "Selecting the “Right” Number of Senses Based on Clustering Criterion Functions" pdf
... the number of
senses in which an ambiguous word is
used in a large corpus. It is based on the
use of global criterion functions that assess
the quality of a clustering solution.
1 Introduction
The ... K1 measure is based on (Mojena, 1977),
which finds clustering solutions for all values of
k from 1 N , and then determines the mean and
standard deviation of...
Tài liệu Báo cáo khoa học: Understanding the binding properties of an unusual metal-binding protein ) a study of bacterial frataxin pdf
... of the addi-
tion was the total disappearance of specific resonances
without the concomitant appearance of other signals
in other parts of the spectrum. This result could be a
consequence of the ... show the effects of
these paramagnetic ions without the filter of the het-
eronucleus. Despite some difficulties in identifying the
resonances because of spectral cr...
Tài liệu Báo cáo khoa học: Probing the molecular determinants of aniline dioxygenase substrate specificity by saturation mutagenesis docx
... characterization of the function of each com-
ponent in AtdA, or other closely related aniline dioxy-
genases, such as that from Pseudomonas putida UCC22
(pTDN1) [14]. The lack of characterization of the
structural ... to the
enzyme. This may indicate that the steric limitation of
the enzyme’s binding pocket takes place in the area
between the ortho and para position...
Tài liệu Báo cáo khoa học: "Learning the Latent Semantics of a Concept from its Definition" pptx
... taxonomic representation structure. For example,
the jcn similarity measure (Jiang and Conrath, 1997)
computes the sense pair similarity score based on the
information content of three senses: the ... similarity score is computed
based on the length of overlapping words/phrases
between two extended dictionary definitions. The
definitions are extended by definitions of...
Tài liệu Báo cáo khoa học: Mapping the functional domains of human transcobalamin using monoclonal antibodies pptx
... caused rather by loss of the correct three-dimen-
sional organization than by disruption of the S-S
bond, per se.
The effect of heparin on interaction between mAbs
and TC was evaluated because the ... [14] despite the absence of
S-S bonds and the low number of conserved residues
in this part of the sequence. Only later did the large
N-terminal unit become invol...
Tài liệu Báo cáo khoa học: Unraveling the catalytic mechanism of lactoperoxidase and myeloperoxidase A reflection on some controversial features Elena Ghibaudi and Enzo Laurenti docx
... impurities in the preparation might be oxidized
and thus contribute to additional consumption of H
2
O
2
.In
the literature, there is good agreement on the fact that the
conversion of native MPO ... species by the oxidation of
halides or pseudohalides. Based on our survey of the
experimental data concerning the reactivity of these
enzymes, we formulated four ques...
Tài liệu Báo cáo khoa học: "Understanding the Semantic Structure of Noun Phrase Queries" pptx
... both A3
and A4, the number of such semantic features is
equal to the number of lexicons multiplied by the
number of state labels.
The same source of semantic knowledge can be
conveniently incorporated ... impos-
ing constraints on the attributes of an intent class.
For example, there are two constraints implied in
the query “alice in wonderland 2010 cast”: (1) t...
Tài liệu Báo cáo khoa học: "Identifying the Semantic Orientation of Foreign Words" pdf
... V
fr
is the union of a set of English and foreign words.
E is a set of edges connecting nodes in V . There
are three types of connections: English-English con-
nections, Foreign-Foreign connections ... problem. They proposed a method for identify-
ing the polarity of adjectives. Their method is based
on extracting all conjunctions of adjectives from a
given corpus and then...
Tài liệu Báo cáo khoa học: Mapping the functional domain of the prion protein docx
... [66]. The importance of this region to the
function of the protein explains its evolutionary conserva-
tion. Conversion of this site to one that forms b-sheet and
facilitates aggregation of the ... sensitive
to the conformation of the C terminus indicated that the
conformation of the C terminus is important to the activity
of the protein. Deletion of the...
Tài liệu Báo cáo khoa học: "Evaluating the Inferential Utility of Lexical-Semantic Resources" ppt
... meanings of the
text’s words. A rules is applicable in a certain con-
text only when the intended sense of its LHS term
matches the sense of that term in the text. For ex-
ample, the application of the ... resource depends on the
performance of its rule applications rather than on
the proportion of correct rules it contains. A rule,
whether correct or incorrect...
Từ khóa: