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support vector machine example ppt

phân loại văn bản bằng phương pháp support vector machine

phân loại văn bản bằng phương pháp support vector machine

Kinh tế - Quản lý

... hoá từ: 221m thành ∑+iiCmξ221 ^ ] 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 ... 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 Vector ... 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...
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Tài liệu Báo cáo khoa học:

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

Báo cáo khoa học

... sentences as posi-tive or negative. Although One-Class Support Vec-tor Machine (OSVM) (Manevitz and Yousef, 2001)can learn from just positive examples, according toYu et al. (2002) they are prone ... 1).Input: positive examples, P OS, unlabeled examples UOutput: hypothesis at each iteration h′1, h′2, , h′k1. Train h to identify “strong negatives” in U :N1:= examples from U classified ... Sessions, pages 57–60,Prague, June 2007.c2007 Association for Computational Linguistics Support Vector Machines for Query-focused Summarization trained andevaluated on Pyramid dataMaria FuentesTALP...
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Tài liệu High Performance Computing on Vector Systems-P2 pptx

Tài liệu High Performance Computing on Vector Systems-P2 pptx

Phần cứng

... originally developed for high-performance vector com-puters such as CRAY, NEC or Fujitsu, it achieves high vectorization ratios(> 99.8%). In the context of vectorization, three different types ... dependencies. These loops are easy tovectorize, their loop length is much larger than the length of the vector registers and they run at high performance on all vector architectures. Theyshow up ... theperformance increases with increasing vector length and saturates at an efficiencyPlease purchase PDF Split-Merge on www.verypdf.com to remove this watermark.The NEC SX-8 Vector Supercomputer System 23Fig....
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Tài liệu High Performance Computing on Vector Systems-P3 ppt

Tài liệu High Performance Computing on Vector Systems-P3 ppt

Phần cứng

... [11]. Thealgorithm requires memory space to store six vectors, i.e., the residual vector wi,the search direction vector pi, and the eigenvector xi,moreover,Wi, Pi,andXi.Thus, the memory ... con-sists of a lot of vector operations, and some of them can work independently,for example, inner-product (not including the term of Wi) can perform withthe matrix -vector multiplications ... part of our code is the matrix- vector multiplication in both the Lanczos and the PCG methods. We estimatethe message size issued on each node in the matrix -vector multiplication as8N/P2[Byte]....
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Tài liệu High Performance Computing on Vector Systems-P8 pptx

Tài liệu High Performance Computing on Vector Systems-P8 pptx

Phần cứng

... CPU of the NECmachines is between 26% and 30% of the peak performance. Given that in anycase only 17 energy bins have been used in these tests, and that therefore theaverage vector length achieved ... anarchitecture where vector lengths  256 are considered optimal), this computa-tional rate appears quite satisfactory. Improvements are still possible, though,and optimization of the code on NEC machines ... eigenfunctionsobtained from linear stability theory.2.6 ParallelizationTo use the full potential of the new vector computer at HLRS, we have chosena hybrid parallelization of both MPI [12] and Microtasking....
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Tài liệu CCNP Support Exam Certification Guide ppt

Tài liệu CCNP Support Exam Certification Guide ppt

Quản trị mạng

... Needed by Technical Support 143General Information 143Crash Situations 144Performance Degradation Situations 144Loss of Functionality Situations 144Output of the show tech -support Command 144Terms ... knowledge, tips, bug information, support services, and other valuable resources all from one place. CCO is not only about obtaining information; you may, for example, access the online price ... will need to master to pass the CCNP Support exam:Objective Description1 List the tools and resources available for problem prevention, troubleshooting, and support. 2 Understand what each tool...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "Sentence-For-Sentence Translation: An Example" ppt

Báo cáo khoa học

... M=VSTEM+MWN/ARB MWN+VSTEM+MNN/ARB MN MNN=VSTEM+MNN/ARB MNN MWN=VSTEM+MWN/ARB MWN Y=VPR/Y+Y FIGURE 5 Examples of dictionary rules. The seven lexical entries in Figure 5 fall into four grammatical ... there- fore, in view of this redundancy only one computer symbol is assigned to a letter. For example, /minhum/ 'from them' is transliterated MNHM without distinguishing the initialM ... equivalent expressions with different meanings, the discriminating expressions, in the other. For example, English 'you meet him' is equivalent to any one of the following Arabic words...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "Bilingual Sense Similarity for Statistical Machine Translation" ppt

Báo cáo khoa học

... size for the vector, since it is not necessary to do vector mapping as the vectors are in the same language. ),(coocecoocfCCsim computes the similarity between the context vectors when ... Therefore, we map all vectors in target language into the vector space in the source language. What we want is a representa-tion avv in the source language space of the target vector evv. ... translation of eB, and is the IBM model 1 probability. 4.2 Vector Space Mapping A common way to calculate semantic similarity is by vector space cosine distance; we will also 836similarity...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "Segmentation for English-to-Arabic Statistical Machine Translation" ppt

Báo cáo khoa học

... ’for’, k+ ’as’), possessive pronouns and objectpronouns (e.g. +ny ’me/my’, +hm ’their/them’). For example, the verbal form wsnsAEdhm and the nomi-nal form wbsyAratnA can be decomposed as follows:(1) ... one suffix, such thatany given word is split into at most three parts:prefix+ stem +suffix.For example the word wlAwlAdh (’and for his kids’)is segmented to w+ l+ AwlAd +P:3MS according toS1, ... proves to be a non-trivial challenge for a num-ber of reasons:1. Morpho-phonological Rules: For example, thefeminine marker ’p’ at the end of a wordchanges to ’t’ when a suffix is attached to...
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