creating robust supervised classifiers
Tài liệu Báo cáo khoa học: "Creating Robust Supervised Classifiers via Web-Scale N-gram Data" pdf
Ngày tải lên :
20/02/2014, 04:20
... 865–874,
Uppsala, Sweden, 11-16 July 2010.
c
2010 Association for Computational Linguistics
Creating Robust Supervised Classifiers via Web-Scale N-gram Data
Shane Bergsma
University of Alberta
sbergsma@ualberta.ca
Emily ... web pages. How
well do supervised and unsupervised NLP systems
perform when used uncustomized, out-of-the-box
on new domains, and how can we best design our
systems for robust open-domain performance?
Our ... systematically assess the
value of using web-scale N-gram data in
state-of-the-art supervised NLP classifiers.
We compare classifiers that include or ex-
clude features for the counts of various
N-grams,...
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Báo cáo khoa học: "Discriminative Classifiers for Deterministic Dependency Parsing" docx
Ngày tải lên :
23/03/2014, 18:20
... handled by the one-versus-all
method, with n classifiers that each separate one
class from the rest, or the one-versus-one method,
with n(n − 1 ) / 2 classifiers, one for each pair of
classes (Vural ... to the part-of-speech of
the next token in the current parser configuration,
and train one set of classifiers for each smaller
set. Similar techniques have previously been used
by Yamada and Matsumoto ... pages 316–323,
Sydney, July 2006.
c
2006 Association for Computational Linguistics
Discriminative Classifiers for Deterministic Dependency Parsing
Johan Hall
V
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o University
jni@msi.vxu.se
Joakim...
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Báo cáo khoa học: "Towards Robust Animacy Classification Using Morphosyntactic Distributional Features" potx
Ngày tải lên :
24/03/2014, 03:20
... the classifiers and the
same software package for decision tree learning,
C5.0 (Quinlan, 1998), is employed. In addition, all
our classifiers employ the boosting option for con-
structing classifiers ... frequency nouns with old classifier
tures only and the classifiers trained on the feature
set as a whole. This indicates that the combined
classifiers no longer exhibit properties that are not
predictable ... table 8. For these classifiers, the backed
off feature combinations do not differ significantly
(at the p<.05 level) from their counterparts in ex-
periment 3, where the classifiers were trained...
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Báo cáo khoa học: "Weakly Supervised Learning for Hedge Classification in Scientific Literature" pot
Ngày tải lên :
23/03/2014, 18:20
... Yarowsky. 1995. Unsupervised word sense dis-
ambiguation rivaling supervised methods. In Pro-
ceedings of ACL’95, pages 189–196, Morristown, NJ,
USA. ACL.
Zhu Zhang. 2004. Weakly -supervised relation ... (Zhang,
2004), in which random feature projection and a
committee of SVM classifiers is used in a hybrid
co/self-training strategy for weakly supervised re-
lation classification and (Chen et al., 2006) where
a ... extraction using label propaga-
tion based semi -supervised learning. In Proceedings
of ACL’06, pages 129–136.
M. Collins and Y. Singer. 1999. Unsupervised mod-
els for named entity classification....
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Báo cáo khoa học: "Mine the Easy, Classify the Hard: A Semi-Supervised Approach to Automatic Sentiment Classification" pot
Ngày tải lên :
30/03/2014, 23:20
... the difficulties of supervised polarity
classification, it is conceivable that unsupervised
polarity classification is a very challenging task.
Nevertheless, a solution to unsupervised polarity
classification ... potential solution
to this corpus annotation bottleneck is to
build unsupervised polarity classification
systems. However, unsupervised learning
of polarity is difficult, owing in part to the
prevalence ... the two tasks to be captured
and exploited. However, the increased sophistica-
tion of supervised polarity classifiers has also re-
sulted in their increased dependence on annotated
data. For instance,...
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Creating Cool Web Sites with HTML, XHTML, and CSS
Ngày tải lên :
27/08/2012, 09:03
... . . . . . . 150
557386 Ch01.qxd 4/2/04 9:52 AM Page 10
Ł
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Creating Cool Web Sites with HTML, XHTML, and CSS
Figure 1-6: The Creating Cool Web Sites home page shown in Internet Explorer. ... installed).
557386 FM.qxd 4/2/04 10:00 AM Page i
Creating Cool
Web Sites with
HTML, XHTML,
and CSS
557386 Ch01.qxd 4/2/04 9:52 AM Page 4
Ł
4
Creating Cool Web Sites with HTML, XHTML, and CSS ... . 300
The World of RSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Creating Valid XML / RSS Feeds . . . . . . . . . . . . . . . . . . . . . . . . . . . 303
Validating...
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Guidelines Creating Flowcharts Rod
Ngày tải lên :
03/10/2012, 22:24
... Consulting Group & Associates
HƯỚNG DẪN LẬP SƠ ĐỒ KHỐI
GIUDELINES ON
CREATING FLOWCHARTS
HƯỚNG DẪN LẬP SƠ ĐỒ KHỐI
GUIDELINE FOR CREATING FLOWCHARTS
11
Các thành viên của nhóm phải là những ... understanding for a joint process
HƯỚNG DẪN LẬP SƠ ĐỒ KHỐI
GUIDELINES FOR CREATING FLOWCHARTS
070320-Guideline Creating Flowchart – Rod –EN&VN-1.doc
i
Người liên hệ của
GFA ...
Vậnhành
Quy trình /
Manual
Operation
Kết thúc /
Te
rminator
HƯỚNG DẪN LẬP SƠ ĐỒ KHỐI
GUIDELINE FOR CREATING FLOWCHARTS
1
Hướng dẫn này mô tả các quy tắc cơ bản để lập
sơ đồ khối mô tả quy...
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Robust Cross-Layer Scheduling Design in Multi-user Multi-antenna Wireless Systems
Ngày tải lên :
20/11/2012, 11:36
... (multi-user detection) at the base station with
n
R
receive antennas.
Abstract of thesis entitled
Robust Cross-Layer Scheduling Design in Multi-user
Multi-antenna Wireless Systems
submitted by
Meilong ... proposed scheduling schemes
provide significant performance enhancement in terms of system goodput, robustness with respect
to imperfect CSIT, and quality of service (QoS) guarantees.
vi
List of Tables
Table ... capacity
loss in systems with perfect CSI. However, we found that rate quantization can enhance robustness
on system performance with respect to outdated CSIT.
1
Note that the potential packet...
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