labeling of similar contexts
Báo cáo khoa học: "SenseClusters: Unsupervised Clustering and Labeling of Similar Contexts" potx
Ngày tải lên :
08/03/2014, 04:22
... portion of the English Giga-
Word corpus as the source of contexts. While there
are many ambiguous names in this data, it is difficult
to evaluate the results of our approach given the ab-
sence of ... the
percentage of the majority class (MAJ.) and count
(N) of the total number of contexts for the names
or newsgroups. The majority percentage provides a
simple baseline for level of performance, ... Linguistics
SenseClusters: Unsupervised Clustering and Labeling of Similar Contexts
Anagha Kulkarni and Ted Pedersen
Department of Computer Science
University of Minnesota
Duluth, MN 55812
{kulka020,tpederse}@d.umn.edu
http://senseclusters.sourceforge.net
Abstract
SenseClusters...
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Tài liệu Báo cáo khoa học: "TOWARDS A THEORY OF COMPREHENSION OF DECLARATIVE CONTEXTS " docx
Ngày tải lên :
21/02/2014, 20:20
... Analysis of
Indirect Speech Acts. American Journal of
Computational Linguistics, v. 6, n. 3, 1980.
42
TOWARDS A THEORY OF COMPREHENSION OF DECLARATIVE CONTEXTS
Fernando Gomez
Department of Computer ... Science
University of Central Florida
Orlando, Florida 32816
ABSTRACT
An outline of a theory of comprehension of
declarative contexts is presented. The main aspect
of the theory being developed ...
bearing on a theory of ~omputer understanding of
descriptive contexts. One of the main tenets of
the proposed research is that descriptive (or
declarative as we prefer to call them) contexts
call...
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Báo cáo khoa học: "Automatic Labeling of Semantic Roles" potx
Ngày tải lên :
08/03/2014, 05:20
... t)
S
NP
PRP
VP
VBD
NP
SBAR
IN
S
NNP
VP
VBD
NP
PP
PRP IN
NP
NN
Goal Source
Theme Target
NP
He heard
the sound of liquid slurping in a metal container
as approached him from behindFarrell
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Báo cáo khoa học: "Automatic Retrieval and Clustering of Similar Words" potx
Ngày tải lên :
17/03/2014, 07:20
...
Ilcell, subj -of, adapt[l=l
Ilcell, subj -of, behavell=l
[Icell, pobj -of, in11=159
[[cell, pobj -of, insidell=16
Ilcell, pobj -of, intoll=30
Ilcell, nmod -of, abnormalityll=3
Ilcell, nmod -of, anemiall=8 ...
Ilcell, nmod -of, architecturell=l
[[cell, obj -of, attackl[=6
[[cell, obj -of, bludgeon[[=l
[Icell, obj -of, callll=l 1
Hcell, obj -of, come froml[=3
Ilcell, obj -of, containll 4
Ilcell, obj -of, decoratell=2 ... shows the similarity tree for
the top-40 most similar words to duty. The first
number behind a word is the similarity of the word
to its parent. The second number is the similarity of
the word...
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Báo cáo khoa học: "Learning Predictive Structures for Semantic Role Labeling of NomBank" pptx
Ngày tải lên :
23/03/2014, 18:20
... reported in
the last column of Table 3. In all the experiments,
we keep h = 20, i.e., all the 20 columns of V
1
are
kept.
Comparing the F1 score of ASO against that of
the linear classifier in ... Linguistics
Learning Predictive Structures for Semantic Role Labeling of NomBank
Chang Liu and Hwee Tou Ng
Department of Computer Science
National University of Singapore
3 Science Drive 2, Singapore 117543
{liuchan1, ... nght}@comp.nus.edu.sg
Abstract
This paper presents a novel application of
Alternating Structure Optimization (ASO)
to the task of Semantic Role Labeling (SRL)
of noun predicates in NomBank. ASO is
a recently proposed...
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CHART OF MODAL AND SIMILAR EXPRESSION(WITH EXCISES)
Ngày tải lên :
14/09/2013, 01:10
... Chart of modals and similar expressions
MODAL USES PRESENT/ FUTURE PAST
May
1)polite request
2)formal permission
3)less ...
studied last night.
She ought to have
done well on the test.
Had
better
1)advisability with threat
of bad result
You had better be on time, or we will
leave without you
(past form uncommon)
Be
supposed ... had to go to class
yesterday.
Mary must have been
sick yesterday.
Have to
1) necessity
2)lack of necessity
(negative)
I have to go to class today
I don t have to go’ to class today.
I had to...
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Tài liệu Transitions Between Contexts of Mathematical Practices pdf
Ngày tải lên :
12/02/2014, 16:20
... of transitions between contexts of
learning and using mathematics; between contexts for different mathematical prac-
tices. In our work the reference to contexts sometimes acquires a status of ... standards: the politics of education in a conservative age. Proceedings
of the 22nd Conference of the International Group for the Psychology of Mathematics Education,
University of Stellenbosh, South ... moment in the zoom of a lens: towards a discursive psychology of mathematics
teaching and learning. Proceedings of the 22nd Conference of the International Group for the
Psychology of Mathematics...
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Tài liệu Báo cáo khoa học: Comparison of membrane fraction proteomic profiles of normal and cancerous human colorectal tissues with gel-assisted digestion and iTRAQ labeling mass spectrometry pptx
Ngày tải lên :
16/02/2014, 15:20
... examined the expression status of several of the
identified proteins using western blotting. These repre-
sentative proteins were selected based on changes of
more than twofold in in their expression ... extraction with 200 lLof25mm
triethylammonium bicarbonate, 200 lL of 0.1% (v ⁄ v)
trifluoroacetic acid in water, 200 lL of 0.1% (v ⁄ v) trifluo-
roacetic acid in acetonitrile and 200 lL of 100% acetoni-
trile. ... functions of the identified proteins can
provide clues about their roles in the pathogenesis of
CRC. In general, factors that contribute to the patho-
genesis of CRC include the accumulation of mutations
and...
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Tài liệu Báo cáo khoa học: "A Comparison of Alternative Parse Tree Paths for Labeling Semantic Roles" ppt
Ngày tải lên :
20/02/2014, 12:20
... high labeling accuracy when em-
ploying each of these parsing alternatives?
Each of these four questions is addressed in
the four subsequent sections of this paper, fol-
lowed by a discussion of ...
difficult research problems. Just as the Penn
Treebank offers the possibility of developing
systems capable of accurate syntactic parsing,
corpora of semantic role annotations open up
new possibilities ... dependency parser (Lin, 1998)?
2. Given that each of these alternatives creates
a different formulation of the parse tree of a sen-
tence, which of them encodes branches that are
easiest to align...
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Báo cáo khoa học: "Joint Learning Improves Semantic Role Labeling Kristina Toutanova Dept of Computer Science Stanford " pot
Ngày tải lên :
08/03/2014, 04:22
... po-
tential applications of role labeling may require cor-
rect labeling of all (or at least the core) arguments
in a sentence in order to be effective, and partially
correct labelings may not be ... 3.1.
The labeling of the tree in Figure 1 is a specific
example of the kind of errors fixed by the joint mod-
els. The local classifier labeled the first argument in
the tree as ARG0 instead of ARG1, ... labels of the semantic argu-
ment nodes of a verb. A drawback of local models
is that, when they decide the label of a parse tree
node, they cannot use information about the labels
and features of...
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Báo cáo Y học: A chimeric scorpion a-toxin displays de novo electrophysiological properties similar to those of a-like toxins docx
Ngày tải lên :
08/03/2014, 23:20
... 6.
Electrostatic properties of the models
The existence onto the surface of scorpion a-neurotoxins of
an electrostatic potential is suspected to contribute to the
recognition of the receptor site [45]. ... face A
(hydrophobic face) of BotXIV and BotXIVM8-10, com-
paratively to the published RMN structure of LqhaIT [46].
On the contrary of the clear dipolar charge repartition of
LqhaIT (with positive ... modify the yield of production of
the three recombinant chimera. This suggests that the
variants display a structural stability and a proteolytic
sensitiveness similar to those of the starting...
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Báo cáo khoa học: The twin-arginine translocation (Tat) systems from Bacillus subtilis display a conserved mode of complex organization and similar substrate recognition requirements doc
Ngày tải lên :
16/03/2014, 04:20
... conditions of
phosphate starvation that lead to a massive induction
of PhoD synthesis.
A controversial aspect of studies into the TatAdCd
system of B. subtilis was the identification of a soluble
substrate-binding ... Tat complexes of Gram-
negative and Gram-positive bacteria in terms of the
size of the TatC-containing substrate-binding com-
plex. Some of the difference may stem from the
absence of a TatB component, ... subtilis
Tat systems are capable of translocating a similar set
of substrates, but makes the differences we observe
between the membrane-localized Tat complexes of
E. coli and B. subtilis all the...
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Báo cáo khoa học: Systemic RNAi of the cockroach vitellogenin receptor results in a phenotype similar to that of the Drosophila yolkless mutant ppt
Ngày tải lên :
16/03/2014, 14:20
... receptor of B. germanica. (A) Organization of B. germanica VgR showing the characteristic domains of an LDL receptor.
(B) Comparison of modular domains between different insect VgRs. Percentage of similarity ... expected,
BgVgR was most similar to P. americana VgR (72%
overall similarity, with 84% similarity when comparing
the first EGF precursor homology domain). Similarity
among VgRs of the other insects ... clearer pattern of dsBgVgR-treated specimens. (F,G) Immunodetection of BgVgR in ovaries
of 4-day-old females that had been treated with dsBgVgR. (H,I) Immunodetection of BgVgR in ovaries of 4-day-old...
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Báo cáo khoa học: "Prediction of Thematic Rank for Structured Semantic Role Labeling" doc
Ngày tải lên :
17/03/2014, 02:20
... number of features to rep-
resent various aspects of the syntactic structure of
a pair of arguments. All features are listed in Table
1. The Path features are designed as a sequential
collection of ... a
j
, such as labeling
a
i
a
j
as ””, identification of thematic rank
can be formulated as a classification problem. De-
lemma, POS Tag, voice, and SCF of predicate
categories, position of two arguments; ... referenced argument of a
i
, 4) a
i
RAa
j
: a
i
is
the referenced argument of a
j
, 5) a
i
ACa
j
: a
j
is
the continuation argument of a
i
, 6) a
i
CAa
j
: a
i
is
the continuation argument of a
j
, 7)...
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Báo cáo khoa học: "Using Conditional Random Fields to Extract Contexts and Answers of Questions from Online Forums" docx
Ngày tải lên :
23/03/2014, 17:20
... Table 3.
The similarity feature is to capture the word sim-
ilarity and semantic similarity between candidate
contexts and answers. The word similarity is based
on cosine similarity of TF/IDF weighted ... only represent 34% of all correct contexts. To
effectively detect contexts, the dependency between
sentences is important. For example in Figure 1,
both S1 and S2 are contexts of question 1. S1 ... gaocong@cs.aau.dk
cyl@microsoft.com zxy-dcs@tsinghua.edu.cn
Abstract
Online forum discussions often contain vast
amounts of questions that are the focuses of
discussions. Extracting contexts and answers
together...
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