automatic annotation of data extracted from large websites
Tài liệu Báo cáo khoa học: "Automatic Collection of Related Terms from the Web" pptx
Ngày tải lên :
20/02/2014, 16:20
... (20%) out of 210 terms were col-
lected by the system. This low recall primarily
comes from the failure of automatic term recogni-
tion (case A in the above classification). Improve-
ment of this ... term of the original seed term by
hand. The result is shown in the left half (Evaluation
I) of Table 2. In this evaluation, 519 terms out of 610
terms were correct: the precision is 85%. From ... terms that should be
collected from each seed word, and then checked
whether each of the target terms was included in
the system output. We counted the number of tar-
get terms in the following...
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Tài liệu Báo cáo khoa học: "AUTOMATIC ACQUISITION OF SUBCATEGORIZATION FRAMES FROM UNTAGGED TEXT" doc
Ngày tải lên :
20/02/2014, 21:20
... The completeness of the output
list increases monotonically with the total number
of occurrences of each verb in the corpus. False
positive rates are one to three percent of observa-
tions. ... architecture of the system, and that of this pa-
per, directly reflects the three challenges described
above. The system consists of three modules:
1. Verb detection: Finds some occurrences of
verbs ... is evaluated in terms of efficiency
and accuracy. The most useful estimate of effi-
ciency is simply the density of observations in the
corpus, shown in the first column of Table 3. The
SF...
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Báo cáo khoa học: "Automatic Compilation of Travel Information from Automatically Identified Travel Blogs" doc
Ngày tải lên :
08/03/2014, 01:20
... calculated
Precision values from the top 5 to the top 100 at
intervals of 5.
Precision=
The number of correctly extracted
location-name / local-product
pairs
The number of extracted
location-name ... in a list of products
from the Google N-gram database. As shown in
the table, 41 local products were newly extracted
from travel blogs, while 15 and 7 were extracted
from generic blogs and ... newly extracted
5 Conclusion
In this paper, we proposed a method for identify-
ing travel blogs from a blog database, and ex-
tracting travel information from them. In the
identification of travel...
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Báo cáo khoa học: "Automatic Acquisition of Adjectival Subcategorization from Corpora" docx
Ngày tải lên :
08/03/2014, 04:22
... Introduction
Research into automatic acquisition of lexical in-
formation from large repositories of unannotated
text (such as the web, corpora of published text,
etc.) is starting to produce large scale lexical ... recall
rate. A new tool for linguistic annotation
of SCFs in corpus data is also introduced
which can considerably alleviate the pro-
cess of obtaining training and test data for
subcategorization acquisition.
1 ... Proceedings of the 43rd Annual Meeting of the ACL, pages 614–621,
Ann Arbor, June 2005.
c
2005 Association for Computational Linguistics
Automatic Acquisition of Adjectival Subcategorization from Corpora
Jeremy...
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Báo cáo khoa học: "A Practical Solution to the Problem of Automatic Part-of-Speech Induction from Text" pdf
Ngày tải lên :
08/03/2014, 04:22
... prob-
lem of automatic word sense induction. Proceedings
of ACL (Companion Volume), Barcelona, 195-198.
Schütze, Hinrich (1993). Part -of- speech induction from
scratch. Proceedings of ACL, Columbus, ...
vector of each word from the centroid of its closest
cluster, and to assign the differential vector to the
most appropriate other cluster. This process can be
repeated until the length of the ... strong negative effect on the results of the
vector comparisons. Fortunately, the problem of
data sparseness can be minimized by reducing the
dimensionality of the matrix. An appropriate alge-
braic...
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Báo cáo khoa học: "Automatic Identification of Word Translations from Unrelated English and German Corpora" pot
Ngày tải lên :
08/03/2014, 06:20
... in terms of corpus
frequencies:
kl~ = frequency of common occurrence of
word A and word B
kl2 = corpus frequency of word A - kll
k21 = corpus frequency of word B - kll
k22 = size of corpus ... accuracy
of our system we counted the number of times
where an acceptable translation of the source
word is ranked first. This was true for 72 of the
100 test words, which gives us an accuracy of ... more often than expected by chance in a
corpus of English, then the German translations
of teacher and school, Lehrer and Schule,
should also co-occur more often than expected
in a corpus of...
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Tài liệu Báo cáo khoa học: "Automatic Construction of Polarity-tagged Corpus from HTML Documents" docx
Ngày tải lên :
20/02/2014, 12:20
... polarity of words
There are some works that discuss learning the po-
larity of words instead of sentences.
Hatzivassiloglou and McKeown proposed a
method of learning the polarity of adjectives from
corpus ... of reviews are not
available. In addition, the corpus created from re-
views is often noisy as we discuss in Section 2.
This paper proposes a novel method of building
polarity-tagged corpus from ... subjective adjectives from a set
of seed adjectives. The idea is to automatically
identify the synonyms of the seed and to add them
to the seed adjectives (Wiebe, 2000). Riloff et
al. proposed...
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Báo cáo khoa học: "Learning Condensed Feature Representations from Large Unsupervised Data Sets for Supervised Learning" docx
Ngày tải lên :
07/03/2014, 22:20
... and
used in place of F in supervised learning.
The largest contribution of our method is that
it offers an architecture that can drastically reduce
the number of features, i.e., from 10M features
in ... [log-scale]
δ=1e+01
δ=1e+02
δ=1e+04
δ=1e+00
proposed
90.0
91.0
92.0
93.0
94.0
95.0
1.E+02 1.E+04 1.E+06 1.E+08
iCWR+COFER: ostPA iCWR+COFER: ostL1FOBOS
COFER: ostPA COFER: ostL1FOBOS
iCWR: ostPA iCWR: ostL1FOBOS
Sup.ostPA Sup.ostL1FOBOS
# of active features [log-scale]
Unlabeled ... utilize a large amount of unsupervised
data to supplement supervised data. Specifically,
an approach that involves incorporating ‘clustering-
based word representations (CWR)’ induced from
unsupervised...
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Báo cáo khoa học: "Automatic Acquisition of Ranked Qualia Structures from the Web" potx
Ngày tải lên :
08/03/2014, 02:21
... a fixed
number of basic components”, data mining com-
prises a range of data analysis techniques”, ”books
consist of a series of dots”, or ”a conversation is
made up of a series of observable ... NP’
C
Plural
“p(x) are made up of ” NP
QT
is made up of NP’
C
“p(x) are made of NP
QT
are made of NP’
C
“p(x) comprise” NP
QT
comprise (of) ? NP’
C
“p(x) consist of NP
QT
consist of NP’
C
Table 2: Clues ... Pattern
Singular
“a(x) x is made up of ” NP
QT
is made up of NP’
C
“a(x) x is made of NP
QT
is made of NP’
C
“a(x) x comprises” NP
QT
comprises (of) ? NP’
C
“a(x) x consists of NP
QT
consists of NP’
C
Plural
“p(x)...
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Báo cáo khoa học: "Automatic Acquisition of Named Entity Tagged Corpus from World Wide Web" pot
Ngày tải lên :
08/03/2014, 04:22
... different processes: sep-
aration of functional words, segmentation of com-
pound nouns, and verification of the usefulness of
the extracted sentences.
An NE is often concatenated with more than ... tagged
corpus
Figure 1: Automatic generation of NE tagged corpus
from the web
siderations in this marking process because of the
word ambiguity and boundary ambiguity of NE in-
stances. To overcome ... Automatic Acquisition of Named Entity Tagged Corpus from World Wide
Web
Joohui An
Dept. of CSE
POSTECH
Pohang, Korea 790-784
minnie@postech.ac.kr
Seungwoo Lee
Dept. of CSE
POSTECH
Pohang,...
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Báo cáo khoa học: "Automatic construction of a hypernym-labeled noun hierarchy from text" docx
Ngày tải lên :
08/03/2014, 06:20
... cluster of cities that because of
sparse data was assigned a poor hypernym.
Some of the suggestions in the .following sec-
tion might correct this problem.
Of the 50 noise words, a few of them ... up of multiple words, rather than just
using the head nouns of the noun phrases.
124
Automatic construction of a hypernym-labeled noun hierarchy
from text
Sharon A. Caraballo
Dept. of ... Electronic Lexical Database.
MIT
Press.
Marti A. Hearst. 1992. Automatic acquisi-
tion of hyponyms from large text corpora.
In
Proceedings of the Fourteenth Interna-
tional Conference on Computational...
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Báo cáo khoa học: "Acquisition of Conceptual Data Models from Natural Language Descriptions" doc
Ngày tải lên :
09/03/2014, 01:20
... trealanent of a
variety of natural language quantifiers.
To adapt the form of lexieal entries in the McCord parser
from the database query task to the present one, generic
definitions of word ... attributes of the
relational database predicates in the parse tree. The
existence of a relationship between two database relations,
is indicated by the sharing of attributes. If the identifier of ... theoretical problem of what a semantics of natural
language should consist of by an operational approach in
which the propositional content of a sentence is
represented by a database tuple, and...
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Integrated Analysis of Data from MRC Fisheries Monitoring Programmes in the Lower Mekong Basin
Ngày tải lên :
14/03/2014, 08:47
... coefcients of the linear dependence of relative abundance of spawning stock
size at locations in the LMB 87
Table 17 Regression coefcients of the linear dependence of mean body weight of species ...
(1999–2010).
Analyses of much of the data generated by these programmes had been undertaken, some of which had
been published. However, only a limited amount of work has been done to construct time series of the ... TS-GL system 88
Table 18 Results of the GLM to test the dependence of dai catch rates on the quantity of fence 89
Table 19 Statistics of conscation and destruction of illegal shing gears (2000–2009)....
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Báo cáo khoa học: "Automatic Adaptation of Annotation Standards: Chinese Word Segmentation and POS Tagging – A Case Study" potx
Ngày tải lên :
17/03/2014, 01:20
... Experiments of annotation adapta-
tion from PD to CTB 5.0 for word segmentation
and POS tagging show that, this strategy can make
effective use of the knowledge from the corpus
with different annotations. ... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 522–530,
Suntec, Singapore, 2-7 August 2009.
c
2009 ACL and AFNLP
Automatic Adaptation of Annotation Standards:
Chinese ... suffers from the limited size
of training data (Chiang, 2007; Bikel and Chiang,
2000). We believe this is also a reason why state-
of- the-art accuracy for Chinese parsing is much
lower than that of...
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Báo cáo khoa học: "Large-Scale Induction and Evaluation of Lexical Resources from the Penn-II Treebank" potx
Ngày tải lên :
17/03/2014, 06:20
... grammars (CFGs
extracted from treebanks) are very large and grow
with the size of the treebank. We were interested in
discovering whether the acquisition of lexical mate-
rial on the same data displays ... Thesis,
Stanford University, CA.
C. Manning. 1993. Automatic Acquisition of a
Large Subcategorisation Dictionary from Cor-
pora. In Proceedings of the 31st Annual Meeting
of the Association for Computational ... induction of lexical resources
is part of a larger project on the acquisition of
wide-coverage, robust, probabilistic, deep unifica-
tion grammar resources from treebanks. We are al-
ready using the extracted...
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