transitive closure of dependency relations
Tài liệu Báo cáo khoa học: "Event Matching Using the Transitive Closure of Dependency Relations" pdf
Ngày tải lên :
20/02/2014, 09:20
... using features obtained from the tran-
sitive closure of dependency relations. The
method yields a model capable of matching
events with an F-measure of 66.5%.
1 Introduction
Question answering ... By using
the transitive closure of the dependency relation, we
believe that—especially in the face of a small data
set—we have struck a balance between the represen-
tative power of dependencies ... “resigns” is root of event.
Figure 2: Types of dependency features. Example features are for e = ”Abdul Halim Khaddam resigns as Vice
President of Syria” and s = ”The resignation of Khaddam was...
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Tài liệu Báo cáo khoa học: "Inducing Gazetteers for Named Entity Recognition by Large-scale Clustering of Dependency Relations" ppt
Ngày tải lên :
20/02/2014, 09:20
... large amount of dependency relations
in Web documents. To our knowledge, no one else
has performed this type of clustering on such a large
scale. Wikipedia also produced a large gazetteer
of more ... for storing
only a part of classes C
l
, i.e., 1/|P | of the parame-
ter matrix, where P is the number of cluster nodes.
This data splitting enables linear scalability of mem-
ory sizes. However, ... and, in terms of execution speed, may
4
Acknowledgements: This corpus was provided by Dr.
Daisuke Kawahara of NICT.
5
To be precise, we need two copies of these.
6
Each node has a copy of the training...
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Báo cáo y học: "A prospective observational study of the relationship of critical illness associated hyperglycaemia in medical ICU patients and subsequent development of type 2 diabetes"
Ngày tải lên :
25/10/2012, 10:02
... al., A prospective observational study of the
relationship of critical illness associated hyperglycaemia in medical ICU
patients and subsequent development of type 2 diabetes Critical Care 2010, ... root of hospital
acquired hyperglycaemia and in the long term lead to
development of diabetes.
Although the incidence of hospital acquired hypergly-
caemia differed between the three subgroups of ... cited.
Research
A prospective observational study of the
relationship of critical illness associated
hyperglycaemia in medical ICU patients and
subsequent development of type 2 diabetes
Ivan Gornik*
1
,...
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Tài liệu On the Importance of Prior Relationships in Bank Loans to Retail Customers docx
Ngày tải lên :
16/02/2014, 06:20
...
(5)
(6)
Relationship Characteristics
Relationship Yes/No
Relationship (Yes) -0.006*** (.001)
Relationship Length
Relationship <2years 0.014*** (.001) 0.011*** (.001)
Relationship ... number of observations corresponds to the number of approved loan applications. All variables are proxies for the
existence and scope of bank-borrower relationships: (1) existence of a relationship ... subsamples of relationships versus non-relationship borrowers
15
and find
significant differences. While the average default rate is 0.6% for relationship borrowers, it is
1.6% for non-relationship...
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Tài liệu The Art of Public Relations pptx
Ngày tải lên :
16/02/2014, 10:20
... 143
SUCCESS IN PUBLIC RELATIONS
Anthony J. Russo, Ph.D. 153
THE ART AND SCIENCE OF
PUBLIC RELATIONS
Thomas L. Amberg 171
CRITICAL ELEMENTS OF SUCCESS
IN PUBLIC RELATIONS
Robyn M. Sachs ... values. Public
relations is, therefore, not only a matter of communication,
but also a matter of behavior.
Communications Capital
TM
All business professionals know that the value of a
corporation ... insight into the situation, regardless of
the amount of available information.
The events of Tuesday, September 11, 2001, have changed
the definition of leadership unalterably. As much as that...
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Tài liệu Báo cáo khoa học: "Semi-supervised Learning of Dependency Parsers using Generalized Expectation Criteria" ppt
Ngày tải lên :
20/02/2014, 07:20
... x.
By relating the sum of the scores of all possible
trees to counting the number of spanning trees in a
graph, it can be shown that Z
x
is the determinant
of the Kirchoff matrix K, which is ... marginal
probability of a particular edge k → i (i.e. y
i
=k),
the score of any edge k
→ i such that k
= k is
set to 0. The determinant of the resulting modi-
fied Kirchoff matrix K
k→i
is then the sum of ... complex-
ity of non-projective data-driven dependency parsing. In
Proc. of IWPT, pages 121–132.
Ryan McDonald, Koby Crammer, and Fernando Pereira.
2005. Online large-margin training of dependency
parsers....
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Tài liệu Báo cáo khoa học: "Online Large-Margin Training of Dependency Parsers" docx
Ngày tải lên :
20/02/2014, 15:20
... of parent node in dependency tree. c-word: word of child
node. p-pos: POS of parent node. c-pos: POS of child node. p-pos+1: POS to the right of parent in sentence.
p-pos-1: POS to the left of ... parent of x
j
. T = {(x
t
, y
t
)}
T
t=1
denotes the
training data.
We follow the edge based factorization method of
Eisner (1996) and define the score of a dependency
tree as the sum of the score of ... Linguistics
Online Large-Margin Training of Dependency Parsers
Ryan McDonald Koby Crammer Fernando Pereira
Department of Computer and Information Science
University of Pennsylvania
Philadelphia, PA
{ryantm,crammer,pereira}@cis.upenn.edu
Abstract
We...
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ON CONSISTENCY CHECKING OF SPATIAL RELATIONSHIPS IN CONTENT-BASED IMAGE DATABASE SYSTEMS potx
Ngày tải lên :
07/03/2014, 14:20
... semantics of spatial relationship symbols right -of, below, and in- front -of are
defined similarly. Notice that these relationship symbols right -of, below, and in-front-
of are actually duals of left -of, ... E
x
to denote the subset of all “x” relationships that are in E . For example,
if E = {A left -of B, B left -of C, A outside C}, then E
left -of
= {A left -of B, B
left -of C }, E
outside
= {A outside ... pair of contradictory spatial
relationships. The time required by it is at most a constant multiple of the time to compute the
transitive reduction of a graph or to compute the transitive closure...
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Báo cáo khoa học: "Learning Arguments and Supertypes of Semantic Relations using Recursive Patterns" doc
Ngày tải lên :
07/03/2014, 22:20
... “dress” relations. Although both
relations differ in terms of the total number of it-
erations and harvested items, the overall behavior
of the learning curves is similar. Learning starts
of very ... selectional restrictions of a large class of
semantic relations. The principal contribution of
the paper is to demonstrate that this kind of pat-
tern can be applied to almost any kind of se-
mantic relation, ... the ar-
guments and the supertypes of a diverse
set of semantic relations from the Web.
We evaluate the performance of our algo-
rithm on multiple semantic relations ex-
pressed using “verb”,...
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Báo cáo khoa học: "Weakly Supervised Learning of Presupposition Relations between Verbs" pptx
Ngày tải lên :
07/03/2014, 22:20
... difficulty of decision in the annotation
of fine-grained semantic relations.
2
While the first gold standard dataset of verb
pairs was annotated out of context, we constructed
a second gold standard of ... understudied in the field of corpus-based
learning of semantic relations. Machine learning
methods have been previously applied to deter-
mine semantic relations such as is-a and part -of,
also succession, ... classification of fine-grained verb
semantic relations, such as similarity, strength,
antonymy, enablement and happens-before. For
the task of entailment recognition, learning of en-
tailment relations...
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An Outline of the Relations between England and Scotland (500-1707) doc
Ngày tải lên :
08/03/2014, 00:20
... right in his description of "that fearful deed, half of policy, half of vengeance, which has
stamped the name of William with infamy", not very many of the victims of his cruelty can have ... semblance of significance to the war, which really degenerated into a series of
border raids, one of which was of unusual importance. Henry had no intention of seriously prosecuting the
claim of homage, ... earldom of Ross, which was claimed by Donald (himself a
grandson of Robert II) in right of his wife, a member of the Leslie family. The "assertor of Celtic nationality"
was thus the son of...
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Báo cáo khoa học: "Exploring Correlation of Dependency Relation Paths for Answer Extraction" doc
Ngày tải lên :
08/03/2014, 02:21
... paths
of each pair is calculated by employing Dynamic
Time Warping algorithm. The input of the cal-
culation is correlations between dependency re-
lations, which are estimated from a set of train-
ing ... to
measure path correlations. The measure requires
relation correlations Cor(r
1
, r
2
) as inputs. We
apply a statistical method to estimate the relation
correlations from a set of training path ... with
MiniPar (Lin, 1994), a fast and robust parser for
grammatical dependency relations. Then, we ex-
tract relation paths from dependency trees.
Dependency relation path is defined as a struc-
ture P =<...
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Báo cáo khoa học: "The Computational Lexical Semantics of Syntagmatic Relations" pptx
Ngày tải lên :
08/03/2014, 06:20
... selection of co-occurrences is part of the lexical pro-
cess, in other words, if
there are
reasons not to choose a co-
occurrence because of the presence of modifiers or because
of stylistics ... item L, called the
key word of F, with a set of lexical items
F(L)-the value of F. (Mel'6uk, 1988) 4
We focus here on syntagmatic LFs describing co-
occurrence relations such as pay attention, ... showed
ways of minimizing the acquisition costs, by 1) using
lexical rules as a way of expanding co-occurrences, 2)
taking advantage of the LSF inheritance hierarchy.
The main advantage of our...
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Báo cáo khoa học: Correlation between conformational stability of the ternary enzyme–substrate complex and domain closure of 3-phosphoglycerate kinase potx
Ngày tải lên :
16/03/2014, 18:20
... that lacks the ability of
domain closure.
Structural origin of the increased stability
of the closed conformation
In the structures of the two closed ternary complexes
of Thermotoga maritima ... interactions of PGK
Coincidence of calorimetric and fluorimetric heat
transitions of wild-type PGKs reflects domain
co-operativity
To test the extent of domain–domain coupling during
thermal unfolding of ... largest stability is characteristic of the native ternary complex
and is abolished in the case of a chemically modified inactive form of
PGK, the domain closure of which was previously shown to be...
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