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Kỹ thuật Support Vector Machines và ứng dụng

Ngày tải lên: 01/03/2013, 17:01

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phân loại văn bản bằng phương pháp support vector machine

... 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 ... sỹ 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 ... SVM Support Vector Machine Máy học vector hỗ trợ SRM Structural Risk Minimization Tối thiểu hoá rủi ro cấu trúc VC Vapnik-Chervonenkis Chiều VC ^ ] Luận văn Thạc sỹ 48 Support...

Ngày tải lên: 19/02/2014, 09:07

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Tài liệu Báo cáo khoa học: "Support Vector Machines for Query-focused Summarization trained and evaluated on Pyramid data" ppt

... ev- idence to classify the remaining sentences as positive or negative. Although One-Class Support Vec- tor Machine (OSVM) (Manevitz and Yousef, 2001) can learn from just positive examples, according ... Sessions, pages 57–60, Prague, June 2007. c 2007 Association for Computational Linguistics Support Vector Machines for Query-focused Summarization trained and evaluated on Pyramid data Maria Fuentes TALP ... Center Universitat Polit`ecnica de Catalunya horacio@lsi.upc.edu Abstract This paper presents the use of Support Vector Machines (SVM) to detect rele- vant information to be included in a query- focused summary....

Ngày tải lên: 20/02/2014, 12:20

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Tài liệu Báo cáo khoa học: "Reading Level Assessment Using Support Vector Machines and Statistical Language Models" pdf

... resulting vocabu- lary consisted of 276 words and 56 POS tags. 4.3 Support Vector Machines Support vector machines (SVMs) are a machine learning technique used in a variety of text classi- ﬁcation ... selection described in Section 4.2 allows us to use these higher-order trigram models. 5.3 Support Vector Machine Classiﬁer By combining language model scores with other fea- tures in an SVM framework, ... June 2005. c 2005 Association for Computational Linguistics Reading Level Assessment Using Support Vector Machines and Statistical Language Models Sarah E. Schwarm Dept. of Computer Science and...

Ngày tải lên: 20/02/2014, 15:20

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Gene Selection for Cancer Classification using Support Vector Machines pot

... computed with information about a single feature. III. Feature ranking with Support Vector Machines III.1. Support Vector Machines (SVM) To test the idea of using the weights of a classifier to produce ... support vector machines. O. Chapelle, V. Vapnik, O. Bousquet, and S. Mukherjee. AT&T Labs technical report. March, 2000. (Cortes, 1995) Support Vector Networks. C. Cortes and V. Vapnik. Machine Learning, ... Feature selection via concave minimization and support vector machines. P. Bradley and O. Mangasarian. In proc. 13 th International Conference on Machine Learning, pages 82-90, San Francisco,...

Ngày tải lên: 06/03/2014, 00:22

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Accounting for Changes in Social Support Among Married Older Adults: Insights From the MacArthur Studies of Successful Aging pptx

... were conducted, one for each type of support from each source. E ϭ emotional support; I ϭ instrumental support; N ϭ negative support. T1 ϭ Time 1 (baseline supportive behavior). * p Ͻ .05. ** ... greater (e.g., emotional support from chil- 493 SOCIAL SUPPORT IN OLDER ADULTS Accounting for Changes in Social Support Among Married Older Adults: Insights From the MacArthur Studies of Successful ... certain people are relied on for emotional support, others for instrumental support) and possibly to avoid those members who are not supportive. Empirical support for the model (Kahn & Antonucci,...

Ngày tải lên: 06/03/2014, 15:20

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Phương pháp học máy với Support vector machine trong nhận dạng chữ viết tay trực tuyến

Ngày tải lên: 14/03/2014, 23:35

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Báo cáo khoa học: "An Empirical Study of Active Learning with Support Vector Machines for Japanese Word Segmentation" pptx

... 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 new ... training of support vector machines using sequential minimal optimization. In Bernhard Sch¨olkopf, Christopher J.C. Burges, and AlexanderJ. Smola, editors, Advances in Kernel Meth- ods: Support ... David Cohn. 2000. Less is more: Ac- tive learning with support vector machines. In Pro- ceedings of the Seventeenth International Conference on Machine Learning. Hiroyuki Shinnou. 2000. Deterministic...

Ngày tải lên: 17/03/2014, 08:20

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Tìm hiểu về support vector machine cho bài toán phân lớp quan điểm

... [-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...

Ngày tải lên: 18/03/2014, 10:25

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Báo cáo khoa học: "Joint Training of Dependency Parsing Filters through Latent Support Vector Machines" pptx

... for Computational Linguistics Joint Training of Dependency Parsing Filters through Latent Support Vector Machines Colin Cherry Institute for Information Technology National Research Council Canada colin.cherry@nrc-cnrc.gc.ca Shane ... In COLING. Hiroyasu Yamada and Yuji Matsumoto. 2003. Statistical dependency analysis with support vector machines. In IWPT. Ainur Yessenalina, Yisong Yue, and Claire Cardie. 2010. Multi-level structured ... detec- tion with discriminatively trained part based models. IEEE Transactions on Pattern Analysis and Machine Intelligence, 32(9). Liang Huang and Kenji Sagae. 2010. Dynamic program- ming for linear-time...

Ngày tải lên: 23/03/2014, 16:20

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Báo cáo khoa học: "A Novel Discourse Parser Based on Support Vector Machine Classiﬁcation" docx

... Our method is based on recent advances in the ﬁeld of statistical machine learning (mul- tivariate capabilities of Support Vector Machines) and a rich feature space. RST offers a formal framework ... purely hypotactic relation group), we come up with a set of 41 classes for our algorithm. Support Vector Machines (SVM) (Vapnik, 1995) are used to model classiﬁers S and L. SVM refers to a set ... 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, and M....

Ngày tải lên: 30/03/2014, 23:20

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Báo cáo khoa học: "Automatic Prediction of Cognate Orthography Using Support Vector Machines" potx

... Translation. Proceedings of the 4th Conference of the Association for Machine Translation in the Americas on Envisioning Machine Translation in the Information Future, 158-168. Jesus Gimenez ... 158-168. Jesus Gimenez and Lluis Marquez. 2004. SVMTool: A General POS Tagger Generator Based on Support Vector Machines. Proceedings of LREC '04, 43-46. Diana Inkpen, Oana Frunza and Grzegorz Kondrak. ... correct output. Decisions were made by an annotator with a well-grounded knowledge of Support Vector Machines and their behaviour, which turned out to be quite useful when deciding which...

Ngày tải lên: 31/03/2014, 01:20

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