support vector machine classification of microarray data
phân loại văn bản bằng phương pháp support vector machine
Ngày tải lên :
19/02/2014, 09:07
... hoá từ:
2
2
1
m
thành
∑
+
i
i
Cm
ξ
2
2
1
^ ]
Luận văn Thạc sỹ
28
Support Vector Machine
CHƯƠNG 2. SUPPORT VECTOR MACHINE
Chương này tác giả sẽ đề cập tới quá trình hình thành và một số ... Discovery in Database Khai phá tri thức trong CSDL
KNN
K Neighbourhood Nearest K láng giêng gần nhất
ODM
Oracle Data Mining Khai phá dữ liệu Oracle
SVM
Support Vector Machine Máy học vector hỗ ...
41
Support Vector Machine
2.4. Một số phương pháp Kernel
Trong những năm gần đây, một vài máy học kernel, như Kernel
Principal Component Analysis, Kernel Fisher Discriminant và Support Vector...
- 99
- 1.6K
- 28
Tìm hiểu về support vector machine cho bài toán phân lớp quan điểm
Ngày tải lên :
18/03/2014, 10:25
... [-option] train_file model_file
6
CHƢƠNG 1: TÌM HIỂU VỀ SUPPORT VECTOR
MACHINE
1.1 PHÁT BIỂU BÀI TOÁN
Support Vector Machines (SVM) là kỹ thuật mới đối với việc phân lớp dữ
liệu, là ... nhau của các quan điểm và sử
dụng thuật toán Naïve Bayes (NB), Maximum Entropy (ME) và Support Vector
Machine (SVM) để phân lớp quan điểm. Phƣơng pháp này đạt độ chính xác từ 78,
7% đến 82, ... thuật lẫn ứng
dụng thực tế.
Nội dung cơ bản của luận văn bao gồm
Chương 2: Tìm hiểu về Support Vector Machine
Chương 2: Bài toán phân lớp quan điểm
Chương 3: Chương trình thực nghiệm
Phần...
- 36
- 4.1K
- 17
Báo cáo khoa học: "A Novel Discourse Parser Based on Support Vector Machine Classification" docx
Ngày tải lên :
30/03/2014, 23:20
... the framework of
Rhetorical Structure Theory (RST). Our
method is based on recent advances in the
field of statistical machine learning (mul-
tivariate capabilities of Support Vector
Machines) and ... 29(4):589–637.
K. Crammer and Y. Singer. 2002. On the algorithmic
implementation of multiclass kernel-based vector
machines. The Journal of Machine Learning
Research, 2:265–292.
H. Hernault, P. Piwek, H. Prendinger, ... USA.
673
Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 665–673,
Suntec, Singapore, 2-7 August 2009.
c
2009 ACL and AFNLP
A Novel Discourse Parser Based on
Support Vector...
- 9
- 390
- 0
Tài liệu Báo cáo khoa học: "Support Vector Machines for Query-focused Summarization trained and evaluated on Pyramid data" ppt
Ngày tải lên :
20/02/2014, 12:20
... using Support
Vector Machines (SVM). The evaluation, performed
on the DUC-2005 data, has allowed us to discover
the best configuration for training the SVMs.
One of the first applications of supervised ... presents the use of Support
Vector Machines (SVM) to detect rele-
vant information to be included in a query-
focused summary. Several SVMs are
trained using information from pyramids
of summary content ... obtained in DUC-2005 data.
59
Proceedings of the ACL 2007 Demo and Poster Sessions, pages 57–60,
Prague, June 2007.
c
2007 Association for Computational Linguistics
Support Vector Machines for Query-focused...
- 4
- 543
- 0
Gene Selection for Cancer Classification using Support Vector Machines pot
Ngày tải lên :
06/03/2014, 00:22
... ranking with Support Vector Machines
III.1. Support Vector Machines (SVM)
To test the idea of using the weights of a classifier to produce a feature ranking,
we used a state -of- the-art classification ... particularity of SVMs is that the
weights w
i
of the decision function D(x) are a function only of a small subset of
36
(Bradley, 1998-b) Feature selection via concave minimization and support vector
machines. ... Science. 277:393-395,
1997.
(Furey, 2000) Support Vector Machine Classification and Validation of Cancer
Tissue Samples Using Microarray Expression Data. T. Furey, N. Cristianini, N.
Duffy, D....
- 39
- 430
- 0
Báo cáo khoa học: "An Empirical Study of Active Learning with Support Vector Machines for Japanese Word Segmentation" pptx
Ngày tải lên :
17/03/2014, 08:20
... and
Nigam, 1998), we focus on active learning with Sup-
port Vector Machines (SVMs) because of their per-
formance.
The Support Vector Machine, which is introduced
by Vapnik (1995), is a powerful ... the size of a pool. Surprisingly, the per-
formance of a larger pool is worse than that of a
smaller pool in the early stage of training
5
. One rea-
son for this could be that support vectors ... Kernel Meth-
ods: Support Vector Learning, pages 185–208. MIT
Press.
Greg Schohn and David Cohn. 2000. Less is more: Ac-
tive learning with support vector machines. In Pro-
ceedings of the Seventeenth...
- 8
- 553
- 0
Báo cáo khoa học: "Joint Training of Dependency Parsing Filters through Latent Support Vector Machines" pptx
Ngày tải lên :
23/03/2014, 16:20
... 2011.
c
2011 Association for Computational Linguistics
Joint Training of Dependency Parsing Filters through
Latent Support Vector Machines
Colin Cherry
Institute for Information Technology
National ... used in
token-role classification and vine parsing, but of-
fers a number of advantages. In our previous work,
classifier decisions would often overlap: different
token-role classifiers would agree ... concatenates the
part -of- speech tags of a’s head and modifier tokens
to its direction (left or right), and Len(a) gives the
unsigned distance between a’s head and modifier.
In the context of Vine
a
, these...
- 6
- 325
- 0
Báo cáo khoa học: "Automatic Prediction of Cognate Orthography Using Support Vector Machines" potx
Ngày tải lên :
31/03/2014, 01:20
... Tagger Generator Based on Support
Vector Machines. Proceedings of LREC '04, 43-46.
Diana Inkpen, Oana Frunza and Grzegorz Kondrak.
2005. Automatic Identification of Cognates and False
Friends ... of the ACL 2007 Student Research Workshop, pages 25–30,
Prague, June 2007.
c
2007 Association for Computational Linguistics
Automatic Prediction of Cognate Orthography Using
Support Vector Machines
Andrea ... target language by means of Support
Vector Machines. While Levenshtein
distance was used to align the training file,
no knowledge repository other than an
initial list of cognates used for training...
- 6
- 316
- 0
Wiley Inside Information Making Sense of Marketing Data.pdf
Ngày tải lên :
13/08/2012, 15:38
... picture
+
• Shape/direction of
data/ evidence
+
• Intuition judgement
Order of
frequency:
Comfort 42%
Speed 35%
Price 29%
Image 28%
Margin of
error
N
Frequency
of issue A
Robustness
assessed ... sure
your data are internally consistent with other data in the dataset. For
example, if in a survey for an airline we ®nd that over three-quarters
of customers were delighted with the quality of the ... aspects of the way we make sense of
marketing information. So, at the risk of high vulgarisation and trivialisa-
tion of a vast topic, below we have outlined seven key insights about the
nature of...
- 270
- 1.1K
- 1