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		<identifier>8JMKD3MGP8W/3FCBSBS</identifier>
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		<issn>2179-4820</issn>
		<citationkey>SiqueiraOliTimCifCif:2013:InVaRe</citationkey>
		<title>Indexing vague regions in spatial data warehouses</title>
		<format>On-line, CD-ROM.</format>
		<year>2013</year>
		<secondarytype>PRE CN</secondarytype>
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		<size>795 KiB</size>
		<author>Siqueira, Thiago Luís Lopes,</author>
		<author>Oliveira, João Celso Santos de,</author>
		<author>Times, Valéria Cesário,</author>
		<author>Ciferri, Cristina Dutra de Aguiar,</author>
		<author>Ciferri, Ricardo Rodrigues,</author>
		<affiliation>Universidade Federal de São Carlos (UFSCar)</affiliation>
		<affiliation>Universidade Federal de São Carlos (UFSCar)</affiliation>
		<affiliation>Universidade Federal de Pernambuco (UFPE)</affiliation>
		<affiliation>Universidade de São Paulo (USP)</affiliation>
		<affiliation>Universidade Federal de São Carlos (UFSCar)</affiliation>
		<editor>Andrade, Pedro Ribeiro,</editor>
		<editor>Santanchè, André,</editor>
		<e-mailaddress>seki@dsr.inpe.br</e-mailaddress>
		<conferencename>Simpósio Brasileiro de Geoinformática, 14 (GEOINFO).</conferencename>
		<conferencelocation>Campos do Jordão</conferencelocation>
		<date>24-27 nov. 2013</date>
		<publisher>Instituto Nacional de Pesquisas Espaciais (INPE)</publisher>
		<publisheraddress>São José dos Campos</publisheraddress>
		<pages>12</pages>
		<booktitle>Anais</booktitle>
		<tertiarytype>Full papers</tertiarytype>
		<transferableflag>1</transferableflag>
		<abstract>A vague spatial data warehouse allows multidimensional queries with spatial predicates to support the analysis of business scores related to vague spatial data, addressing real world phenomena characterized by inexact locations or indeterminate boundaries. However, vague spatial data are usually represented and stored as multiple geometries and impair the query processing performance. In this paper, we introduce an index called VSB-index to improve the query processing performance in vague spatial data warehouses, focusing on range queries and vague regions. We also conduct an experimental evaluation demonstrating that our VSB-index provided remarkable performance gains up to 97% over existing solutions.</abstract>
		<area>SRE</area>
		<language>en</language>
		<targetfile>paper17.pdf</targetfile>
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		<url>http://mtc-m16c.sid.inpe.br/rep-/sid.inpe.br/mtc-m18/2013/12.10.18.40</url>
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