meaningful clustering of senses
Tài liệu Báo cáo khoa học: "Selecting the “Right” Number of Senses Based on Clustering Criterion Functions" pdf
Ngày tải lên :
22/02/2014, 02:20
... distribution
of P K2’s predictions were most like those of the
actual senses.
4 Conclusions
This paper shows how to use clustering criterion
functions as a means of automatically selecting the
number of senses ... (PK1-3).
112
Selecting the “Right” Number of Senses
Based on Clustering Criterion Functions
Ted Pedersen and Anagha Kulkarni
Department of Computer Science
University of Minnesota, Duluth
Duluth, MN 55812 ... determining 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...
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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
... semantics of MNs
well, the MN clusters constructed by using
dependency relations should serve as a good
gazetteer. However, the high level of computa-
tional cost has prevented the use of clustering
for ... 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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Tài liệu Báo cáo khoa học: "Automatic clustering of collocation for detecting practical sense boundary" ppt
Ngày tải lên :
20/02/2014, 16:20
... number of clusters with each
clustering method shown chapter 3 by the part of
speech. WC and WF are the average number of
senses by the part of speech.
In Table 1 and 2, the most clustering ...
z Fuzzy clustering (F1, F2)
2
(Song, Cao and
Bruza, 2003)
Used clustering methods cover both the
popularity and the variety of the algorithms – soft
and hard clustering and graph clustering ... gives the word senses numbered i of
the word x. I
x
is the word sense indexing function
of x that gives an index to each sense of the word
x. All contextual words x
i
±j
of a central word...
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Báo cáo khoa học: A hybrid clustering of protein binding sites ppt
Ngày tải lên :
15/03/2014, 10:20
... 5. Number of binding sites contained in clusters as a function
of the number of clusters allowed to be used (gp = 1 ⁄ 10). The
color coding is given in Table 2.
A hybrid clustering of protein ... ‘silhouette
value’ of a cluster is the smallest possible distance
between an element of this cluster and an element of
the neighboring clusters. The silhouette coefficient of
the overall clustering is ... the distance function and
clustering algorithm, three main parameters affected the
properties of clustering: OPTICS MINPTS, OPTICS
cut-off level and gap penalty (gp) of the distance func-
tion....
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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 ...
IR(wx)l+lR(w2)l
where
S(w)
is the set of senses of w in the WordNet,
super(c)
is the set of (possibly indirect)
superclasses of concept c in the WordNet,
R(w)
is the set of words that belong to a same...
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Báo cáo khoa học: "DISTRIBUTIONAL CLUSTERING OF ENGLISH WORDS" pptx
Ngày tải lên :
17/03/2014, 08:20
... simple tabulation of fre-
quencies of certain words participating in certain
configurations, for example of frequencies of pairs
of a transitive main verb and the head noun of its
direct object, ...
some indication of what aspects of distributional
relationships may be discovered by clustering.
However, we also need to evaluate clustering more
rigorously as a basis for models of distributional ... looked at two kinds
of measurements of model quality: (i) relative en-
tropy between held-out data and the asymmetric
model, and (ii) performance on the task of decid-
ing which of two verbs is...
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Tài liệu Technical Overview of Clustering in Windows Server 2003 pdf
Ngày tải lên :
17/12/2013, 13:15
... the part of Microsoft, and Microsoft cannot
guarantee the accuracy of any information presented after the date of publication.
This document is for informational purposes only. MICROSOFT MAKES ...
trademarks of their respective owners.
Technical Overview of Clustering in Windows Server 2003 ii
Microsoft® Windows® Server 2003 Technical Article
• Dynamic Disk Size – If you increase the size of ... in Clustering for Windows Server 2003 9
Technical Overview of Clustering in Windows Server 2003
Microsoft Corporation
Published: January 2003
Abstract
This white paper summarizes the new clustering...
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Tài liệu FUZZY CLUSTERING ALGORITHMS ON LANDSAT IMAGES FOR DETECTION OF WASTE AREAS: A COMPARISON pdf
Ngày tải lên :
16/01/2014, 16:33
... the combination of bands 5, 4 and 1 which is of great efficacy for the aims
of our analysis. In Figures 1 and 2 the set of bands 5, 4 and 1 are depicted respectively
for the month of May 1994 and ... algorithms for the detection of waste areas using LANDSAT TM
images.
It is worth of noting that the 30 meters spatial resolution of the Landsat-TM sensor
makes the process of detecting waste areas ... values of
all samples in all clusters;
• m
∈ (1
, ∞
) is a control parameter of fuzziness.
The minimization of
J
m
, under the probabilistic constraint
c
j=1
u
jk
= 1, leads to the
iteration of...
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Báo cáo khoa học: "Discriminating image senses by clustering with multimodal features" potx
Ngày tải lên :
08/03/2014, 02:21
... set of outlier images, de-
fined as images whose ratio of distances to the second closest
and closest clusters was below a threshold.
Word All senses Meta senses Core senses
BASS 6 senses 4 senses ... lists the number of senses, median, and range of global
cluster purity, followed by the baseline. All senses used the
full set of sense labels and 40 clusters. Meta senses merged
core senses with ... senses 2 senses
Median 0.60 0.73 0.94
Range 0.03 0.02 0.02
Baseline 0.35 0.45 0.55
CRANE 9 senses 6 senses 4 senses
Median 0.49 0.65 0.86
Range 0.05 0.07 0.07
Baseline 0.27 0.37 0.50
SQUASH 6 senses...
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Báo cáo khoa học: "Clustering Hungarian Verbs on the Basis of Complementation Patterns" pot
Ngày tải lên :
08/03/2014, 03:20
... an other semantic role – cause –
in the case of verbs of existence (Table 2).
It is important to note that we do not dispose of a
preliminary list of semantic roles. To avoid arbitrary
2
Com is ... language analysis. Our
further work will emphasize both the refinement of
the clustering methods and the linguistic interpre-
tation of the resulting classes.
References
Anna Babarczy, B
´
alint G
´
abor, ... Proceed-
ings of the 3th Hungarian Conference of Computa-
tional Linguistics (MSZNY05), pages 20-28, Szeged,
Hungary.
Michael R. Brent. 1993. From grammar to lexicon: un-
supervised learning of lexical...
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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, ... optimal
number of clusters, to avoid setting this value man-
ually.
In general all of our results significantly improve
upon the majority classifier, which suggests that the
clustering of contexts...
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Báo cáo khoa học: "TOWARDS THE AUTOMATIC IDENTIFICATION OF ADJECTIVAL SCALES: CLUSTERING ADJECTIVES ACCORDING TO MEANING" ppt
Ngày tải lên :
08/03/2014, 07:20
... employs two similarity
modules, each of which processes a part of the output
of stage one and produces a measure of similarity for
each possible pair of adjectives.
The first module processes ... assessment
of the significance of an improvement
over the base line of the random algo-
rithm much harder.
As a consequence of point (3) made above, we
need to understand the significance of the ... in the intensity of temperature of
the modified noun (at least when used in their non-
metaphorical senses; metaphorical usage of scalar
words normally also follows the order of the scale by...
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Báo cáo khoa học: "A STRUCTURED REPRESENTATION OF WORD-SENSESIR OR SEMANTIC ANALYSIS" pdf
Ngày tải lên :
09/03/2014, 01:20
... " ;of& quot; or by the ending
"'s",
indicates a social
relation (SOC_I,~F,|,) as in "the doctor of John" or in "the
father of my friend", part -of (PART -OF) ... with. The
purpose of lhis section is to give a brief overview of the text
understanding system and its current status of
implementatim~. Figure 1 shows the three modules of the
text analyzer. ... study of
examples found in the analyzed domain. The final set is a
trade-off between two competing requirements:
2.
A large number of conceptual relations improves the
expressiveness of the...
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The Aesthetics of Mixing the Senses potx
Ngày tải lên :
16/03/2014, 18:20
... understanding of the nature of aesthetic
experience and in the process elided the potential contribution of the nonvisual
senses to the appreciation of pictorial art as of the nonauditory senses to ... activation potential of the senses of sight and smell, and by so doing
enriches the field of vision without detracting from the pleasures of olfaction.
The modernist monomodal definition of aesthetics ...
appreciation of the formal relations intrinsic to a work of art, irrespective of that
work’s content. Thus, in one characterization of the proper object of aesthetics,
Robert Redfield offered the...
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Báo cáo khoa học: "Unsupervised Part-of-Speech Tagging Employing Efficient Graph Clustering" ppt
Ngày tải lên :
17/03/2014, 04:20
... All of them employ a
syntactic version of Harris’ distributional
hypothesis: Words of similar parts of speech can
be observed in the same syntactic contexts.
Contexts in that sense are often ... the immediate
neighbourhood of a word. The word’s global
context is the sum of all its contexts.
For clustering, a similarity measure has to be
defined and a clustering algorithm has to be ... the clusters of both
partitionings as nodes; weights of edges are the
number of common elements, if at least two
elements are shared. And again, CW is used to
cluster this graph of clusters....
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- outline of injection timing control
- outline of injection volume control
- types of systems in ecd-v series
- on the selection of meaningful association rules
- selecting the right number of senses
- clustering of similar words
- automatic clustering of collocation
- distinguishing senses of english words
- on the computational complexity of clustering and related problems
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