نتایج جستجو برای: مدل svm

تعداد نتایج: 141574  

Journal: :I. J. Functional Informatics and Personalised Medicine 2008
Bernard Chen Stephen Pellicer Phang C. Tai Robert W. Harrison Yi Pan

Protein sequence motifs are gathering progressively attention in the sequence analysis area. The conserved regions have the potential to determine the conformation, function and activities of the proteins. We develop a new method combines the concept of granular computing and the power of Ranking-SVM to further extract protein sequence motif information generated from the FGK model. The quality...

2008
Ankit Gupta Rohan Jain Shiwei Song

This paper explores utilization of information from social networks in making automatic movie recommendations. Implementations of three different algorithms (SVM, Clustering, and Ranking SVM) are implemented and evaluated. The general approach utilizes a large collection of Facebook profile information as training set in order to generate a list of movie recommendations for a particular user (c...

2011
Bing Xu Tiejun Zhao Jianwei Wu Conghui Zhu

With the rapid development of Internet and E-commerce, the quantity of product reviews on the web grows very fast, but the review quality is inconsistent. This paper addresses the problem of automatically ranking reviews. A specification for judging the reviews quality is first defined and thus ranking review is formalized as ordinal regression problem. In this paper, we employ Ranking SVM as t...

H. Fattahi,

The slope stability analysis is routinely performed by engineers to estimate the stability of river training works, road embankments, embankment dams, excavations and retaining walls. This paper presents a new approach to build a model for the prediction of slope stability state. The support vector machine (SVM) is a new machine learning method based on statistical learning theory, which can so...

ژورنال: :مجله پژوهش های حفاظت آب و خاک 2015
محسن پوررضا بیلندی عباس خاشعی سیوکی صادق صادقی طبس

مدل های داده محور از جمله ابزارهایی هستند که به منظور شبیه سازی در علوم مختلف استفاده می شوند. روش ماشین بردار پشتیبان به عنوان یکی از جدیدترین این نوع ابزارها اخیراً در علوم مرتبط با آب مورد توجه قرار گرفته است. در هیدرولوژی و منابع آب، این مدل ها با شبیه سازی فرآیند بارش-رواناب، مقدار رواناب را در حوزه های آبخیز بدون ایستگاه اندازه گیری و با حداقل زمان ممکن و کمترین هزینه برآورد می کنند. هدف ا...

Journal: :CIT 2016
Seyyid Ahmed Medjahed Tamazouzt Ait Saadi Abdelkader Benyettou Mohammed Ouali

Support vector machine (SVM) is a popular classification technique with many diverse applications. Parameter determination and feature selection significantly influences the classification accuracy rate and the SVM model quality. This paper proposes two novel approaches based on: Microcanonical Annealing (MA-SVM) and Threshold Accepting (TA-SVM) to determine the optimal value parameter and the ...

2004
Yinshan Jia Chuanying Jia Hongwei Qi

Support Vector Machines(SVMs) have succeeded in many classification fields. Some researchers have tried to apply SVMs to Intrusion Detection recently and got desirable results. By analyzing C-SVM theoretically and experimentally, we found that C-SVM had some properties which showed C-SVM was not most suitable for Network Intrusion Detection. First, C-SVM has different classification error rates...

2017
Min-Wei Huang Chih-Wen Chen Wei-Chao Lin Shih-Wen Ke Chih-Fong Tsai

Breast cancer is an all too common disease in women, making how to effectively predict it an active research problem. A number of statistical and machine learning techniques have been employed to develop various breast cancer prediction models. Among them, support vector machines (SVM) have been shown to outperform many related techniques. To construct the SVM classifier, it is first necessary ...

Journal: :Biopolymers 2009
Teppei Ebina Hiroyuki Toh Yutaka Kuroda

The prediction of structural domains in novel protein sequences is becoming of practical importance. One important area of application is the development of computer-aided techniques for identifying, at a low cost, novel protein domain targets for large-scale functional and structural proteomics. Here, we report a loop-length-dependent support vector machine (SVM) prediction of domain linkers, ...

2008
Chih-Chung Chang Chih-Jen Lin

The ν-support vector machine (ν-SVM) for classification proposed by Schölkopf et al. has the advantage of using a parameter ν on controlling the number of support vectors. In this paper, we investigate the relation between ν-SVM and C-SVM in detail. We show that in general they are two different problems with the same optimal solution set. Hence we may expect that many numerical aspects on solv...

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