scaling to very very large corpora
Báo cáo khoa học: "Scaling to Very Very Large Corpora for Natural Language Disambiguation" potx
Ngày tải lên :
23/03/2014, 19:20
... unsupervised learning
with large training corpora, in hopes of being
able to obtain the benefits that come from
significantly larger training corpora without
incurring too large a cost.
2 Confusion ... Scaling to Very Very Large Corpora for
Natural Language Disambiguation
Michele Banko and Eric Brill
Microsoft ... exploiting very
large corpora when labeled data comes
at a cost.
1 Introduction
Machine learning techniques, which
automatically learn linguistic information from
online text corpora, have...
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Tài liệu Báo cáo khoa học: "Finding Parts in Very Large Corpora" pdf
Ngày tải lên :
20/02/2014, 19:20
...
a very large corpus our method finds part words with
55% accuracy for the top 50 words as ranked by the
system. The part list could be scanned by an end-user
and added to an existing ontology ... tempered to take into account
the quantity of data that supports its conclusion. To
put this another way, we want to pick (w,p) pairs
that have two properties,
p(w
I P) is high and [ w, pl
is large. ...
the machines at our disposal, so still larger corpora
would not be out of the question.
Finally, as noted above, Hearst [2] tried to find
parts in corpora but did not achieve good results....
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Báo cáo khoa học: "Scaling Distributional Similarity to Large Corpora" doc
Ngày tải lên :
31/03/2014, 01:20
... corresponds to a unique node.
• The nodes are arranged into a hierarchy of
levels, with the bottom level containing
n
2
nodes and the top containing a single root
node. Each level, except the top, will ... generating bilingual
lexicons from parallel corpora.
In RI, we first allocate a d length index vec-
tor to each unique attribute. The vectors con-
sist of a large number of 0s and small number
() ... us to choose both the weight and the mea-
sure used. LSH and PLEB could not match either
the efficiency of RI or the accuracy of SASH.
We intend to use this knowledge to process even
larger corpora...
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99 ways to say " very good"
Ngày tải lên :
05/09/2013, 17:10
... been practicing
58. You did it very well
59. FINE
60. Nice going
61. You're really going to town
62. OUSTANDING!
63. FANTASTIC!
64. TREMEDOUS!
65. That's how to handle that
66. Now that's ... u'r doing the right thing
99 ways to say " very good"
FOR THOSE DAYS WHEN U CAN'T THINK OF WHAT TO SAY!!!
My foreign teacher taught me how to express the congratulation. I think ... You certainly did it well today.
75. Keep it up!
76. Congratulation. You got it right!
77. You did a lot of work today
78. Well look at you go
79. That's it
80. I am very proud of u
81. MARVELOUS!
82....
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99 ways to say "very good" docx
Ngày tải lên :
10/03/2014, 15:20
...
99 ways to say " ;very good"
77. You did a lot of work today
78. Well look at you go
79. That's it
80. I am very proud of you
81. MARVELOUS!
82. I like that
83. Way to go ... practicing
58. You did it very well
59. FINE
60. Nice going
61. You're really going to town
62. OUSTANDING!
63. FANTASTIC!
64. TREMEDOUS!
65. That's how to handle that
66. Now ... cách dưới đây nhé!
My foreign teacher taught me how to express the congratulation. I think it is
useful, so I post it for everyone to refe and you can apply it in daily life.
1. you're...
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Tài liệu Which Bank Is the “Central” Bank? An Application of Markov Theory to the Canadian Large Value Transfer System doc
Ngày tải lên :
16/02/2014, 12:20
... would be to assume that the θ’s vary by day; since
it could be argued that θ captures both processing speed and other unobserved
factors.
17
One way to implement this would be to find the θ vectors ... non-optimal points since as the optimizer gets close to (for
example) the unit vector it will stop moving (or slow down in its movements) due to the
flatness.
13
and p
k
i
it
is i’s aggregate balance ... distribution that corresponds to the transition probability matrix
B
t
.
5 Estimation of the delay parameters
We want to choose the vector θ so that over the sample perio d the eigenvectors
defined by (6)...
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Báo cáo khoa học: "CS NIPER Annotation-by-query for non-canonical constructions in large corpora" pdf
Ngày tải lên :
16/03/2014, 20:20
... analysis of large corpora due to
a relatively low frequency of instances and whose
identification requires expert knowledge to distin-
guish them from other similar constructions. Our
tool integrates ... expert
knowledge to identify instances of linguistic
phenomena that are hard to identify by means
of existing automatic annotation tools.
1 Introduction
Linguistic annotation by means of automatic pro-
cedures, ... knowledge to be annotated. We plan
to integrate further automatic annotations and query
possibilities to support such further use-cases.
Acknowledgments
We would like to thank Erik-L
ˆ
an Do Dinh,...
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Báo cáo khoa học: "Discovering Relations among Named Entities from Large Corpora" pot
Ngày tải lên :
17/03/2014, 06:20
... and effort to prepare
annotated corpora large enough to apply supervised
learning. In addition, the varieties of relations were
limited to those defined by the ACE RDC task. In
order to discover ... phrase as an initial seed in order to find
similar verb phrases.
3 Relation Discovery
3.1 Overview
We propose a new approach to relation discovery
from large text corpora. Our approach is based on
2
A ... beginning
of articles) as peculiar to The New York Times. In
our experiment, the norm threshold was set to 10.
We also used stop words when context vectors are
made. The stop words include symbols and...
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A simple large scale synthesis of very long aligned silica nanowires
Ngày tải lên :
16/03/2014, 15:03
... August 2002; in final form 11 October 2002
Abstract
A simple method based on the thermal oxidation of Si wafers has been discovered to provide a large- scale synthesis
of very long, aligned silica nanowires. ... Grobert, J. Olivares, J.P. Zhang, H.
Terrones, K. Kordatos, W.K. Hsu, J.P. Hare, P.D.
Townsend, K. Prassides, A.K. Cheetham, H.W. Kroto,
D.R.M. Walton, Nature 388 (1997) 52.
J.Q. Hu et al. / Chemical ... mechanical rotary pump to a base
pressure of 6 Â 10
À2
Torr. The furnace was heated
at a rate of 10 °C/min to 800 °C and kept at this
temperature for 30 min, and then further heated to
and kept at 1300...
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Báo cáo khoa học: "Practical very large scale CRFs" potx
Ngày tải lên :
16/03/2014, 23:20
... resorts to scaling , a solution
commonly used for HMMs. Scaling amounts to
normalizing the values of α
t
and β
t
to one, making
sure to keep track of the cumulated normalization
factors so as to ... computations of exp(x) are vec-
torized, which provides an additional speed up of
about 20%.
4.3 Optimization in Large Parameter Spaces
Processing very large feature vectors, up to bil-
lions of components, ... Issues
Efficiently processing very- large feature and ob-
servation sets requires to pay attention to many
implementation details. In this section, we present
several optimizations devised to speed up training.
4.1...
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Báo cáo khoa học: "Using Large Monolingual and Bilingual Corpora to Improve Coordination Disambiguation" ppt
Ngày tải lên :
17/03/2014, 00:20
... asbestos w
2
h and w
1
polyvinyl English: asbestos , and polyvinyl chloride w
1
, and w
2
h
chloride English: asbestos and chloride w
1
and h
(no ellipsis) Portuguese: o amianto e o cloreto de ... acquire the counts
using custom tools for managing web-scale N-gram
1348
Algorithm 1 The bilingual co-training algorithm: subscript m corresponds to monolingual, b to bilingual
Given: • a set ... i = 0 to k do
Use L
m
to train a classifier h
m
using only ¯x
m
, the monolingual features of ¯x
Use L
b
to train a classifier h
b
using only ¯x
b
, the bilingual features of ¯x
Use h
m
to label...
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