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		<identifier>8JMKD3MGPAW/3PFQ982</identifier>
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		<doi>10.1109/SIBGRAPI.2017.53</doi>
		<citationkey>MarcílioJrElerGarc:2017:ApPeLo</citationkey>
		<title>An approach to perform local analysis on multidimensional projection</title>
		<format>On-line</format>
		<year>2017</year>
		<numberoffiles>1</numberoffiles>
		<size>958 KiB</size>
		<author>Marcílio Jr, Wilson Estécio,</author>
		<author>Eler, Danilo Medeiros,</author>
		<author>Garcia, Rogério Eduardo,</author>
		<affiliation>Universidade Estadual Paulista - UNESP</affiliation>
		<affiliation>Universidade Estadual Paulista - UNESP</affiliation>
		<affiliation>Universidade Estadual Paulista - UNESP</affiliation>
		<editor>Torchelsen, Rafael Piccin,</editor>
		<editor>Nascimento, Erickson Rangel do,</editor>
		<editor>Panozzo, Daniele,</editor>
		<editor>Liu, Zicheng,</editor>
		<editor>Farias, Mylène,</editor>
		<editor>Viera, Thales,</editor>
		<editor>Sacht, Leonardo,</editor>
		<editor>Ferreira, Nivan,</editor>
		<editor>Comba, João Luiz Dihl,</editor>
		<editor>Hirata, Nina,</editor>
		<editor>Schiavon Porto, Marcelo,</editor>
		<editor>Vital, Creto,</editor>
		<editor>Pagot, Christian Azambuja,</editor>
		<editor>Petronetto, Fabiano,</editor>
		<editor>Clua, Esteban,</editor>
		<editor>Cardeal, Flávio,</editor>
		<e-mailaddress>wilson_jr@outlook.com</e-mailaddress>
		<conferencename>Conference on Graphics, Patterns and Images, 30 (SIBGRAPI)</conferencename>
		<conferencelocation>Niterói, RJ, Brazil</conferencelocation>
		<date>17-20 Oct. 2017</date>
		<publisher>IEEE Computer Society</publisher>
		<publisheraddress>Los Alamitos</publisheraddress>
		<booktitle>Proceedings</booktitle>
		<tertiarytype>Full Paper</tertiarytype>
		<transferableflag>1</transferableflag>
		<versiontype>finaldraft</versiontype>
		<keywords>visualization, multidimensional projection, analysis.</keywords>
		<abstract>In the context of Visualization, Multidimensional Projection techniques are employed to show similarity relations among instances of a multidimensional dataset. Distinct projection techniques use different approaches to perform the dimensionality reduction and, consequently, different metrics are employed to assess projection quality according to similarity and structures preservation. Usually, quality measures are computed from the whole projection, what can impair a specific evaluation. This work presents a novel approach to perform evaluation on multidimensional projections, in which clusters of instances are selectively evaluated and compared to the whole projection. The proposed approach has shown to be effective on evaluating projections and it offers a way to apply techniques to enhance poor projected areas.</abstract>
		<language>en</language>
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		<usergroup>wilson_jr@outlook.com</usergroup>
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		<citingitemlist>sid.inpe.br/sibgrapi/2017/09.12.13.04 7</citingitemlist>
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