a comparison of similarity measures for text documents
A Comparison of Event Models for Naive Bayes Text Classi cation potx
Ngày tải lên :
16/03/2014, 19:20
... the task of text classification in a Bayesian
learning framework. This approach assumes that the
text data was generated by a parametric model, and
uses training data to calculate Bayes-optimal ... |
s=1
|D|
i=1
N
is
P(c
j
|d
i
)
.
(6)
The class prior parameters are calculated as before
accordingtoEquation4.
Classification
Given estimates of these parameters calculated from the
training documents, classification can be performed ... Machine
Learning, 1997.
Pat Langley, Wayne Iba, and Kevin Thompson. An anal-
ysis of Bayesian classifiers. In AAAI-92, 1992.
Leah S. Larkey and W. Bruce Croft. Combining classifiers
in text categorization....
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- 0
Tài liệu Báo cáo khoa học: "DiMLex: A lexicon of discourse markers for text generation and understanding" docx
Ngày tải lên :
20/02/2014, 18:20
...
though. As we have illustrated above and will
elaborate below, these words can carry a wide
variety of semantic and pragmatic overtones,
which render the choice of a marker meaning-
driven, as ... Proceedings of the 35th Annual
Meeting of the ACL and 8th Conference of the Eu-
ropean Chapter of the ACL, Madrid, July 1997.
J. Martin. English Text - System and Structure.
Philadelphia/Amsterdam: ... words are assigned to the
realm of the lexicon, whereas function words are
treated as a part of grammar.
For dealing with discourse markers, we do not
regard this distinction as particularly helpful,...
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- 0
Báo cáo khoa học: "A Comparison of Chinese Parsers for Stanford Dependencies" ppt
Ngày tải lên :
23/03/2014, 14:20
... Learning
Research, 9:1871–1874, June.
Jan Haji
ˇ
c, Massimiliano Ciaramita, Richard Johansson,
Daisuke Kawahara, Maria Ant
`
onia Mart
´
ı, Llu
´
ıs M
`
arquez,
Adam Meyers, Joakim Nivre, Sebastian Pad
´
o, ... dependency parsers).
3 Results
Table 3 tabulates efficiency and performance for all
parsers; UAS and LAS are unlabeled and labeled at-
tachment scores, respectively — the standard crite-
ria for evaluating ... reviewers, for valuable comments.
Supported in part by the National Natural Science Founda-
tion of China (NSFC) via grant 61133012, the National “863”
Major Project grant 2011AA0 1A2 07, and the National...
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Báo cáo khoa học: "A Comparison of Event Models for Naive Bayes Anti-Spam E-Mail Filtering" potx
Ngày tải lên :
31/03/2014, 20:20
... e-mail: A comparison of
a Naive Bayesian and a memory-based approach.
In H. Zaragoza, P. Gallinari, and M. Rajman, edi-
tors, Proc. Workshop on Machine Learning and Tex-
tual Infbrmation Access, ... classify
e-mail. In
Papers from the AAAI Spring Symposium
on Machine Learning in Information Access,
pages
18-25, Stanford, CA. AAAI Press.
Thomas M. Cover and Joy A. Thomas. 1991.
Elements
of InfOrmation ... models for Naive Bayes text clas-
sification. In
Proc. AAAI-98 Workshop on Learning
for Text Categorization,
pages 41-48. AAAI Press.
Dunja Mladeni6 and Marko Grobelnik. 1999. Feature
selection for...
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- 0
báo cáo hóa học:" A comparison of classification methods for predicting Chronic Fatigue Syndrome based on genetic data" potx
Ngày tải lên :
18/06/2014, 15:20
... now adopted AUC for
evaluating predictive ability of classifiers owing to the fact
that AUC is a better performance metric than accuracy
[31]. In this study, AUC was used as a value to compare
the ... BioMed Central
Page 1 of 8
(page number not for citation purposes)
Journal of Translational Medicine
Open Access
Research
A comparison of classification methods for predicting Chronic
Fatigue Syndrome ... as testing data and different nine-tenths of
the data as training data. Finally, the average estimate over
all runs was reported by running the above regular 10-fold
cross-validation for 100 times...
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- 0
A comparison of real and simulated designs for vibratory parts feeding
Ngày tải lên :
03/01/2014, 19:15
... See
http://www.research.digital.com/SRC/juno-2.
[
10
]
JayaramanKrishnasamy, MarkJ.Jakiela, andDanielE.Whit-
ney. Mechanics of vibration-assisted entrapment with appli-
cation to design. In International Conference ... February 1971.
[
15
]
Balas K. Natarajan. Some paradigms for the automated de-
sign of parts feeders. International Journal of Robotics Re-
search, 8(6):98–109, December 1989. Also appeared in ... taking
the Cartesian product over all the parameter values. It also
allows us to specify equivalence classes of stable states, and
it then automatically categorizes the state (and hence, the
equivalence...
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- 599
- 0
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
... dependency parser.
1 Introduction
A persistent goal of natural language processing
research has been the automated transformation
of natural language texts into representations that
unambiguously ...
training data is available.
6 Discussion
Annotated corpora of linguistic phenomena en-
able many new natural language processing ap-
plications and provide new means for tackling
difficult research ... International
Conference on Language Resources and Evaluation,
Granada, Spain.
Marcus, Mitchell P., Beatrice Santorini and Mary Ann
Marcinkiewicz. 1993. Building a Large Annotated
Corpus of...
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Báo cáo khoa học: "A Comparison of Loopy Belief Propagation and Dual Decomposition for Integrated CCG Supertagging and Parsing" potx
Ngày tải lên :
23/03/2014, 16:20
... empirical comparison of BP and DD also com-
plements the theoretically-oriented comparison of
marginal- and margin-based variational approxima-
tions for parsing described by Martins et al. (2010).
We ... in a previously circulated draft of this paper, for
two reasons: we evaluate only on sentences for which a parse
was returned instead of all parses, to enable direct comparison
with Clark and ... features of
the supertagger are all Markov features on adjacent
supertags, the change has serious implications for
search. If we think of the supertagger as defining a
weighted regular language...
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- 0
Báo cáo khoa học: "A Comparison of Head Transducers and Transfer for a Limited Domain Translation Application" pptx
Ngày tải lên :
24/03/2014, 03:21
... having iden-
tical sublanguage domain and test data, and using
similar automata for analysis in the transfer system
and transduction in the transducer system. Another
justification is that ... particular type of fi-
nite state automata associated with each word in the
language.
A relational head acceptor writes (or accepts) a
pair of symbol sequences, a left sequence and a right
sequence. ... function f as a real valued func-
tion taking two arguments, a
event e
and a
context
c. The context c is an equivalence class of states un-
der which an action is taken, and the event e is an
equivalence...
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- 0
Báo cáo khoa học: "You Can’t Beat Frequency (Unless You Use Linguistic Knowledge) – A Qualitative Evaluation of Association Measures for Collocation and Term Extraction" pot
Ngày tải lên :
31/03/2014, 01:20
... 1999.
Foundations of Statistical Natural Language Pro-
cessing. Cambridge, MA; London, U.K.: Bradford
Book & MIT Press.
Goran Nenadi´c, Sophia Ananiadou, and John Mc-
Naught. 2004. Enhancing automatic ... Qualitative Evaluation of Association Measures for
Collocation and Term Extraction
Joachim Wermter Udo Hahn
Jena University Language & Information Engineering (JULIE) Lab
D-07743 Jena, Germany
{wermter|hahn}@coling-uni-jena.de
Abstract
In ... Chapter of the Association for Com-
putational Linguistics, pages 188–195. Toulouse,
France, July 9-11, 2001. San Francisco, CA: Mor-
gan Kaufmann.
Katerina T. Frantzi, Sophia Ananiadou, and Hideki
Mima....
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- 0
a comparison of neural network architectures for
Ngày tải lên :
28/04/2014, 10:10
... is based on Shannon’s entropy. It
is a statistical measurement of the capability of a
feature to separate digit classes. If the information
measure of a feature is high, it indicates that the ... indicate a partial match.
These 60 “best” features were selected using three
measures: an information measure, an orthogonality
measure, and a combination of the two. The
information measure ... for the use of neural network learning
techniques for this type of application and data set, and
insight about the appropriate design, use, and
parameterization of the network to achieve acceptable...
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- 0
báo cáo hóa học:" A comparison of two headless compression screws for operative treatment of scaphoid fractures" doc
Ngày tải lên :
20/06/2014, 04:20
... 90(1):66-71.
15. Dias JJ, Dhukaram V, Abhinav A, Bhowal B, Wildin CJ:
Clinical and
radiological
outcome of cast immobilization versus surgical treatment of
acute scaphoid fractures at a mean follow-up of 93 ... system
may relate to the thread pattern. The Acutrak 2 is a
fully threaded design that generates a large amount of
thread-to-bone contact area. In comparison, the Synthes
screw has fewer threads, ... idea for the study and was responsible for revision of manuscript. The
second author on the paper, JA, collected and analyzed the data and
drafted the original manuscript. He is also the contact...
- 6
- 550
- 0
báo cáo hóa học:" A comparison of two headless compression screws for operative treatment of scaphoid fractures" pdf
Ngày tải lên :
20/06/2014, 07:20
... 90(1):66-71.
15. Dias JJ, Dhukaram V, Abhinav A, Bhowal B, Wildin CJ:
Clinical and
radiological
outcome of cast immobilization versus surgical treatment of
acute scaphoid fractures at a mean follow-up of 93 ... greater final compression than the Synthes system
may relate to the thread pattern. The Acutrak 2 is a
fully threaded design that generates a large amount of
thread-to-bone contact area. In comparison, ... idea for the study and was responsible for revision of manuscript. The
second author on the paper, JA, collected and analyzed the data and
drafted the original manuscript. He is also the contact...
- 6
- 403
- 1
báo cáo hóa học:" Do visual analogue scale (VAS) derived standard gamble (SG) utilities agree with Health Utilities Index utilities? A comparison of patient and community preferences for health status in rheumatoid arthritis patients" pptx
Ngày tải lên :
20/06/2014, 15:20
... Epidemiology and Evaluation, Vancouver Coastal Health
Research Institute, Vancouver, BC, Canada
Email: Amir Adel Rashidi - amiradel@interchange.ubc.ca; Aslam H Anis - aslam.anis@ubc.ca; Carlo A Marra* ... Health Utilities Index utilities? A comparison of
patient and community preferences for health status in rheumatoid
arthritis patients
Amir Adel Rashidi
1
, Aslam H Anis
2
and Carlo A Marra*
3,4
Address: ... Marra*
3,4
Address:
1
Centre for Clinical Epidemiology and Evaluation, Faculty of Pharmaceutical Sciences, University of British Columbia, Canada,
2
MHA
Program, Department of Health Care and Epidemiology,...
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- 0
- a qualitative evaluation of association measures for collocation
- a comparison of international financial reporting standards and us gaap for investment funds
- a comparison of event models for naive bayes text classification mccallum
- a comparison of event models for naive bayes classification
- a comparison of event models for naive bayes antispam email filtering
- a comparison of event models for naive bayes text classification bibtex
- a comparison of event models for naive bayes text classification
- a comparison of reading paper and online documents
- a comparison of svm and rvm for document classification
- a comparison of evaluation metrics for document filtering
- a comparison of reconstruction algorithms for breast tomosynthesis
- a comparison of control algorithms for dstatcom
- a comparison of pivot methods for phrasebased statistical machine translation
- a mccallum and k nigam a comparison of event models for naive bayes text classification
- a comparison of alignment models for statistical machine translation
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