<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://files.passeidireto.com/9df8947e-4d6b-410b-ae78-b6b84e622768/bg1.png"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">Edberto F<span class="_0 blank"></span>erneda</div><div class="t m0 x2 h3 y2 ff2 fs1 fc0 sc0 ls1 ws0">Intr<span class="_1 blank"></span>odução aos Modelos<span class="_2 blank"> </span> </div><div class="t m0 x3 h3 y3 ff2 fs1 fc0 sc0 ls1 ws0">Computacionais de<span class="_2 blank"></span> <span class="_1 blank"></span> </div><div class="t m0 x4 h3 y4 ff2 fs1 fc0 sc0 ls1 ws0">R<span class="_1 blank"></span>ecuper<span class="_1 blank"></span>ação de Informação</div><div class="t m0 x5 h4 y5 ff3 fs0 fc0 sc0 ls0 ws0">Pref<span class="_1 blank"></span>ácio de Johanna Smit</div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x6 y6 w2 h5" alt="" src="https://files.passeidireto.com/9df8947e-4d6b-410b-ae78-b6b84e622768/bg2.png"><div class="t m0 x6 h6 y7 ff4 fs2 fc1 sc0 ls3 ws0">Introdução aos Modelos Computacionais de Recuperação de </div><div class="t m0 x6 h6 y8 ff4 fs2 fc1 sc0 ls3">Informação</div><div class="t m0 x6 h6 y9 ff4 fs2 fc1 sc0 ls3 ws0">Copyright<span class="_2 blank"> </span>©<span class="_2 blank"> </span> Editora Ciência Moderna Ltda., 2012.</div><div class="t m1 x6 h7 ya ff5 fs2 fc1 sc0 ls3 ws2">T<span class="_0 blank"></span>odos os direitos para a língua portuguesa reservados pela EDITORA<span class="_3 blank"></span> CIÊNCIA<span class="_3 blank"></span> </div><div class="t m1 x6 h7 yb ff5 fs2 fc1 sc0 ls3 ws0">MODERNA<span class="_3 blank"></span> L<span class="_3 blank"></span>TDA.</div><div class="t m1 x6 h7 yc ff5 fs2 fc1 sc0 ls3 ws3">De acordo com a Lei 9.610, de 19/2/1998, nenhuma parte deste livro poderá ser </div><div class="t m1 x6 h7 yd ff5 fs2 fc1 sc0 ls3 ws4">reproduzida, transmitida e gravada, por qualquer meio eletrônico, mecânico, por </div><div class="t m1 x6 h7 ye ff5 fs2 fc1 sc0 ls3 ws0">fotocópia e outros, sem a prévia autorização, por escrito, da Editora.</div><div class="t m0 x6 h8 yf ff6 fs2 fc1 sc0 ls3 ws0">Editor: <span class="ff5">Paulo <span class="_3 blank"></span>André P<span class="_0 blank"></span>. Marques</span></div><div class="t m0 x6 h8 y10 ff6 fs2 fc1 sc0 ls3 ws0">Supervisão Editorial: <span class="ff5">Aline Vieira Marques</span></div><div class="t m0 x6 h8 y11 ff6 fs2 fc1 sc0 ls3 ws0">Copidesque: <span class="ff5">V<span class="_3 blank"></span>anessa Motta</span></div><div class="t m0 x6 h8 y12 ff6 fs2 fc1 sc0 ls3 ws0">Capa: <span class="ff5">Daniel Jara</span></div><div class="t m0 x6 h8 y13 ff6 fs2 fc1 sc0 ls3 ws0">Diagramação: <span class="ff5">Janaína Salgueiro</span></div><div class="t m0 x6 h8 y14 ff6 fs2 fc1 sc0 ls3 ws0">Assistente Editorial: <span class="ff5">Laura Souza</span></div><div class="t m0 x6 h8 y15 ff5 fs2 fc1 sc0 ls3 ws0">Várias <span class="_2 blank"> </span><span class="ff6 ls2 ws5">Marcas Registradas</span><span class="ws6"> aparecem no decorrer deste livro. Mais do que </span></div><div class="t m0 x6 h7 y16 ff5 fs2 fc1 sc0 ls3 ws7">simplesmente listar esses nomes e informar quem possui seus direitos de </div><div class="t m0 x6 h7 y17 ff5 fs2 fc1 sc0 ls3 ws8">exploração, ou ainda imprimir os logotipos das mesmas, o editor declara </div><div class="t m0 x6 h7 y18 ff5 fs2 fc1 sc0 ls3 ws1">\ue002\ue003\ue004\ue005\ue006\ue007<span class="_3 blank"></span>\ue008\ue004\ue009\ue00a\ue009\ue00b\ue005\ue00c\ue00d\ue00e\ue007<span class="_1 blank"></span>\ue004\ue005\ue009\ue003\ue007<span class="_3 blank"></span>\ue00c\ue00e\ue00f\ue002\ue003\ue007<span class="_1 blank"></span>\ue005\ue010\ue002\ue00c\ue005\ue003\ue007<span class="_1 blank"></span>\ue010\ue005\ue006\ue005\ue007<span class="_3 blank"></span>\ue011\ue00c\ue003\ue007<span class="_1 blank"></span>\ue002\ue00d\ue009\ue004\ue00e\ue006\ue009\ue005\ue009\ue003\ue012\ue007<span class="_1 blank"></span>\ue002\ue00f\ue007<span class="_3 blank"></span>\ue013\ue002\ue00c\ue002\ue014\ue015\ue016\ue009\ue00e\ue007<span class="_1 blank"></span>\ue002\ue017\ue016\ue00a\ue008\ue003\ue009\ue018\ue00e\ue007</div><div class="t m0 x6 h7 y19 ff5 fs2 fc1 sc0 ls3 ws9">do dono da Marca Registrada, sem intenção de infringir as regras de sua </div><div class="t m0 x6 h7 y1a ff5 fs2 fc1 sc0 ls3 wsa">utilização. Qualquer semelhança em nomes próprios e acontecimentos será <span class="_4 blank"></span><span class="ws0"> </span></div><div class="t m0 x6 h7 y1b ff5 fs2 fc1 sc0 ls3 ws0">mera coincidência.</div><div class="t m0 x7 h8 y1c ff6 fs2 fc1 sc0 ls3 ws0"> FICHA<span class="_1 blank"></span> CA<span class="_3 blank"></span>T<span class="_5 blank"></span>ALOGRÁFICA</div><div class="t m0 x8 h6 y1d ff4 fs2 fc1 sc0 ls3 ws0">FERNEDA, Edberto. </div><div class="t m0 x8 h6 y1e ff4 fs2 fc1 sc0 ls3 wsb">Introdução aos Modelos Computacionais de Recuperação de </div><div class="t m0 x8 h6 y1f ff4 fs2 fc1 sc0 ls3">Informação</div><div class="t m0 x8 h7 y20 ff5 fs2 fc1 sc0 ls3 ws0">Rio de Janeiro: Editora Ciência Moderna Ltda., 2012</div><div class="t m0 x8 h7 y21 ff5 fs2 fc1 sc0 ls3 ws0">1. Informática.</div><div class="t m0 x8 h7 y22 ff5 fs2 fc1 sc0 ls3 ws0">I \u2014 Título</div><div class="t m0 x8 h7 y23 ff5 fs2 fc1 sc0 ls3 ws0">ISBN: 978-85-399-0<span class="ff7">212</span>-<span class="ff7">5</span> CDD 001.642</div><div class="t m0 x6 h8 y24 ff6 fs2 fc1 sc0 ls3 ws0">Editora Ciência Moderna Ltda.</div><div class="t m0 x6 h8 y25 ff6 fs2 fc1 sc0 ls3 ws0">R. <span class="_1 blank"></span>Alice Figueiredo, 46 \u2013 Riachuelo </div><div class="t m0 x6 h8 y26 ff6 fs2 fc1 sc0 ls3 ws0">Rio de Janeiro, RJ \u2013 Brasil CEP: 20.950-150<span class="ff5"> </span></div><div class="t m0 x6 h8 y27 ff6 fs2 fc1 sc0 ls3 ws0">T<span class="_5 blank"></span>el: (21) 2201-6662 / Fax: (21) 2201-6896</div><div class="t m0 x6 h8 y28 ff6 fs2 fc1 sc0 ls3">lcm@lcm.com.br</div><div class="t m0 x6 h8 y29 ff6 fs2 fc1 sc0 ls4 wsc">www<span class="_1 blank"></span>.lcm.com.br <span class="_2 blank"> </span> <span class="ls5 ws0"> <span class="ff5 ls3 ws1">1<span class="_3 blank"></span>1/1<span class="_5 blank"></span>1</span></span></div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><div class="t m0 x9 h9 y2a ff8 fs3 fc1 sc0 ls3 ws0">Aos meus pais</div><div class="t m0 xa h9 y2b ff8 fs3 fc1 sc0 ls3 ws0">Élcio (<span class="ff9">in memoriam</span>) e Elza</div><div class="t m0 x9 h9 y2c ff8 fs3 fc1 sc0 ls3 ws0">Aos meus irmãos</div><div class="t m0 xa h9 y2d ff8 fs3 fc1 sc0 ls3 ws0">Edilson e Edmir</div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><div class="t m0 xb ha y2e ffa fs4 fc1 sc0 ls3">Agradecimentos</div><div class="t m0 xb h9 y2f ff8 fs3 fc1 sc0 ls3 wsd">Este livro é derivado de minha tese de doutorado em Ciência da Informa-</div><div class="t m0 x6 h9 y30 ff8 fs3 fc1 sc0 ls3 wse">ção. <span class="_3 blank"></span>Assim, gostaria de agradecer a todos que contribuíram para a execução </div><div class="t m0 x6 h9 y31 ff8 fs3 fc1 sc0 ls3 wsf">daquela pesquisa, em especial à minha orientadora, professora Johanna Smit, </div><div class="t m0 x6 h9 y32 ff8 fs3 fc1 sc0 ls3 ws10">que com sua competência e simpatia apresentou a mim o mundo novo e em-</div><div class="t m0 x6 h9 y33 ff8 fs3 fc1 sc0 ls3 ws0">polgante da Ciência da Informação.</div><div class="t m0 xb h9 y34 ff8 fs3 fc1 sc0 ls3 ws11">Agradeço às professoras Mariângela Fujita e Silvana <span class="_1 blank"></span>V<span class="_3 blank"></span>idotti pela amizade </div><div class="t m0 x6 h9 y35 ff8 fs3 fc1 sc0 ls3 ws12">e pelo exemplo de dedicação à pesquisa e ao trabalho acadêmico. <span class="_3 blank"></span>Agradeço </div><div class="t m0 x6 h9 y36 ff8 fs3 fc1 sc0 ls3 ws13">também aos demais professores do Departamento de Ciência da Informação </div><div class="t m0 x6 h9 y37 ff8 fs3 fc1 sc0 ls3 ws14">da UNESP-Marília pelo ambiente agradável e fecundo onde tenho a felicidade </div><div class="t m0 x6 h9 y38 ff8 fs3 fc1 sc0 ls3 ws0">de trabalhar<span class="_3 blank"></span>.</div><div class="t m0 xb h9 y39 ff8 fs3 fc1 sc0 ls3 ws15">Agradeço ainda aos professores Edilson Ferneda e Hércules <span class="_3 blank"></span>Antonio do </div><div class="t m0 x6 h9 y3a ff8 fs3 fc1 sc0 ls3 ws16">Prado, do Programa de Pós-Graduação em Gestão de Conhecimento e <span class="_1 blank"></span>T<span class="_3 blank"></span>ecno-</div><div class="t m0 x6 h9 y3b ff8 fs3 fc1 sc0 ls3 ws17">logia da Informação da Universidade Católica de Brasília, pela leitura atenta, </div><div class="t m0 x6 h9 y3c ff8 fs3 fc1 sc0 ls3 ws0">revisão e sugestões.</div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><div class="t m0 xb ha y3d ffa fs4 fc1 sc0 ls3 ws18">Pr<span class="_1 blank"></span>efácio</div><div class="t m0 xb h9 y3e ff8 fs3 fc1 sc0 ls7 ws1f">Os jovens de hoje, que já nasceram numa sociedade digital, ignoram mui-</div><div class="t m0 x6 h9 y3f ff8 fs3 fc1 sc0 ls7 ws20">tas vezes o quanto os recursos que agora parecem muito simples \u2013 \u201cnaturais\u201d </div><div class="t m0 x6 h9 y40 ff8 fs3 fc1 sc0 ls7 ws21">até \u2013 resultam de uma história que foi se consolidando ao longo de séculos. </div><div class="t m0 x6 h9 y41 ff8 fs3 fc1 sc0 ls8 ws22">A<span class="_3 blank"></span> recuperação de informações na Internet provê um ótimo exemplo para a </div><div class="t m0 x6 h9 y42 ff8 fs3 fc1 sc0 ls8 ws19">\ue002\ue003\ue004\ue005\ue002\ue006\ue007\ue008\ue009 \ue002\ue00a\ue00b\ue005\ue002\ue00c\ue009<span class="_2 blank"> </span>\ue00d\ue008\ue009 \ue00e\ue00f\ue010\ue009 \ue011\ue002\ue004\ue010\ue00a\ue010\ue012\ue009 \ue013\ue002\ue014\ue015\ue002\ue009 \ue015\ue010\ue004\ue009 \ue00f\ue005\ue009 \ue00a\ue008\ue005\ue011\ue00f\ue015\ue002\ue016\ue008\ue004\ue009 \ue010\ue009 \ue00f\ue005\ue002\ue009 \ue00a\ue008\ue017\ue010\ue018\ue007\ue008\ue009 \ue019\ue009</div><div class="t m0 x6 h9 y43 ff8 fs3 fc1 sc0 ls7 ws23">Internet para achar qualquer coisa.... inclusive a informação procurada! Graças </div><div class="t m0 x6 h9 y44 ff8 fs3 fc1 sc0 ls7 ws24">à tecnologia, a busca se tornou uma operação simples, quase intuitiva, o que </div><div class="t m0 x6 h9 y45 ff8 fs3 fc1 sc0 ls8 ws25">obviamente representa um grande avanço, mas também acaba escondendo a </div><div class="t m0 x6 h9 y46 ff8 fs3 fc1 sc0 ls7 ws0">complexidade das operações que estão por trás das buscas.</div><div class="t m0 xb h9 y47 ff8 fs3 fc1 sc0 ls3 ws26">Edberto Ferneda, aliando uma formação na área de Informática a outra </div><div class="t m0 x6 h9 y48 ff8 fs3 fc1 sc0 ls3 ws27">em Ciência da Informação, consegue demonstrar a complexidade daquilo que </div><div class="t m0 x6 h9 y49 ff8 fs3 fc1 sc0 ls3 ws28">hoje parece completamente natural, iniciando pela \u201cpré-história\u201d da recupe-</div><div class="t m0 x6 h9 y4a ff8 fs3 fc1 sc0 ls3 ws29">ração da informação, baseada em cálculos estatísticos e estratégias de busca </div><div class="t m0 x6 h9 y4b ff8 fs3 fc1 sc0 ls3 ws2a">formatadas pela lógica booleana. Posteriormente sistemas de recuperação da </div><div class="t m0 x6 h9 y4c ff8 fs3 fc1 sc0 ls6 ws1a">\ue00b\ue017\ue01a\ue008\ue004\ue005\ue002\ue006\ue007\ue008\ue009\ue00b\ue017\ue00a\ue008\ue004\ue011\ue008\ue004\ue002\ue005\ue009\ue008\ue009\ue00f\ue014\ue00f\ue01b\ue004\ue00b\ue008\ue012\ue009\ue008\ue009<span class="_2 blank"> </span>\ue00e\ue00f\ue010\ue009\ue014\ue00b\ue01c\ue017\ue00b\ue003\ue00a\ue002\ue009\ue00e\ue00f\ue010\ue009\ue002\ue009\ue004\ue010\ue00a\ue00f\ue011\ue010\ue004\ue002\ue006\ue007\ue008\ue009\ue016\ue002\ue009\ue00b\ue017\ue01a\ue008\ue004-</div><div class="t m0 x6 h9 y4d ff8 fs3 fc1 sc0 ls3 ws1b">\ue005\ue002\ue006\ue007\ue008\ue009\ue011\ue002\ue014\ue014\ue002\ue009<span class="_2 blank"> </span>\ue002\ue009\ue01d\ue010\ue01e\ue002\ue004\ue009 \ue010\ue005\ue009 \ue00a\ue008\ue017\ue015\ue002\ue009 \ue002\ue009 \ue014\ue010\ue005\ue01f\ue017\ue015\ue00b\ue00a\ue002\ue009 \ue010\ue009<span class="_2 blank"> </span>\ue002\ue014\ue009 \ue011\ue008\ue014\ue014\ue00b\ue013\ue00b\ue01d\ue00b\ue016\ue002\ue016\ue010\ue014\ue009 \ue016\ue010\ue009 \ue004\ue010\ue003\ue017\ue002\ue005\ue010\ue017\ue015\ue008\ue009</div><div class="t m0 x6 h9 y4e ff8 fs3 fc1 sc0 ls3 ws2b">de estratégias de busca; o percurso desenhado por Edberto nos leva até as </div><div class="t m0 x6 h9 y4f ff8 fs3 fc1 sc0 ls3 ws2c">atuais \u201cnuvens de tags\u201d que chegam a mesclar a indexação elaborada pelos </div><div class="t m0 x6 h9 y50 ff8 fs3 fc1 sc0 ls3 ws2d">responsáveis por sites com indexações propostas pelos usuários ou então por </div><div class="t m0 x6 h9 y51 ff8 fs3 fc1 sc0 ls3 ws0">eles customizadas.</div><div class="t m0 xb h9 y52 ff8 fs3 fc1 sc0 ls3 ws2e">O presente texto atualiza a pesquisa desenvolvida sob forma de uma tese </div><div class="t m0 x6 h9 y53 ff8 fs3 fc1 sc0 ls3 ws2f">de doutorado defendida no Programa de Pós-Graduação em Ciências da Co-</div><div class="t m0 x6 h9 y54 ff8 fs3 fc1 sc0 ls3 ws30">municação, área de concentração Ciência da Informação, da ECA/USP<span class="_3 blank"></span> em </div><div class="t m0 x6 h9 y55 ff8 fs3 fc1 sc0 ls3 ws1c">\ue003\ue017\ue002\ue01d\ue009 \ue016\ue010\ue009 \ue022\ue023\ue023\ue024\ue009 \ue010\ue009 \ue00b\ue01d\ue00f\ue014\ue015\ue004\ue002\ue009 \ue00a\ue008\ue005\ue009 \ue00a\ue01d\ue002\ue004\ue010\ue025\ue002\ue009 \ue008\ue009 \ue016\ue00b\ue01b\ue01d\ue008\ue01c\ue008\ue012\ue009 \ue017\ue010\ue005\ue009 \ue014\ue010\ue005\ue011\ue004\ue010\ue009 \ue015\ue007\ue008\ue009 \ue00b\ue017\ue015\ue010\ue017\ue014\ue008\ue009 \ue00e\ue00f\ue002\ue017\ue015\ue008\ue009</div><div class="t m0 x6 h9 y56 ff8 fs3 fc1 sc0 ls3 ws1d">\ue014\ue010\ue004\ue00b\ue002\ue009 \ue016\ue010\ue014\ue010\ue026\ue01b\ue01e\ue010\ue01d\ue012\ue009 \ue010\ue017\ue015\ue004\ue010\ue009 \ue016\ue008\ue00b\ue014\ue009 \ue00f\ue017\ue00b\ue01e\ue010\ue004\ue014\ue008\ue014\ue027\ue009 \ue008\ue014\ue009 \ue011\ue004\ue008\ue003\ue014\ue014\ue00b\ue008\ue017\ue002\ue00b\ue014\ue009 \ue016\ue002\ue009 \ue01b\ue004\ue010\ue002\ue009 \ue016\ue010\ue009 \ue00b\ue017\ue01a\ue008\ue004\ue005\ue01b\ue015\ue00b\ue00a\ue002\ue009</div><div class="t m0 x6 h9 y57 ff8 fs3 fc1 sc0 ls3 ws1e">\ue010\ue009 \ue008\ue014\ue009 \ue011\ue004\ue008\ue003\ue014\ue014\ue00b\ue008\ue017\ue002\ue00b\ue014\ue009 \ue00e\ue00f\ue010\ue009 \ue008\ue004<span class="_1 blank"></span>\ue01c\ue002\ue017\ue00b\ue025\ue002\ue005\ue009 \ue002\ue009 \ue004\ue010\ue00a\ue00f\ue011\ue010\ue004\ue002\ue006\ue007\ue008\ue009 \ue016\ue002\ue009 \ue00b\ue017\ue01a\ue008\ue004\ue005\ue002\ue006\ue007\ue008\ue009 \ue017\ue008\ue009 \ue00a\ue008\ue017\ue015\ue010\ue018\ue015\ue008\ue009</div><div class="t m0 x6 h9 y58 ff8 fs3 fc1 sc0 ls3 ws31">da Ciência da Informação. Pode-se ler o texto como uma narração de \u201cre-</div><div class="t m0 x6 h9 y59 ff8 fs3 fc1 sc0 ls3 ws2f">descobertas da roda\u201d, já que os desenvolvedores de sistemas de busca de in-</div><div class="t m0 x6 h9 y5a ff8 fs3 fc1 sc0 ls3 ws32">formação foram incorporando procedimentos clássicos da biblioteconomia, </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf6" class="pf w0 h0" data-page-no="6"><div class="pc pc6 w0 h0"><div class="t m0 x6 hb y5b ff8 fs5 fc1 sc0 ls3 ws0">VIII <span class="ffb">\ue002</span> Introdução aos Modelos Computacionais de Recuperação de Informação</div><div class="t m0 x6 h9 y5c ff8 fs3 fc1 sc0 ls3 ws33">da documentação e da recuperação de informação. <span class="_3 blank"></span>A<span class="_3 blank"></span> ironia quer que um dos </div><div class="t m0 x6 h9 y5d ff8 fs3 fc1 sc0 ls9">\ue01c\ue004\ue002\ue017\ue016\ue010\ue014\ue009\ue016\ue010\ue014\ue002\ue003\ue008\ue014\ue009\ue02a\ue008\ue026\ue010\ue009\ue010\ue017\ue00f\ue017\ue00a\ue00b\ue002\ue016\ue008\ue014\ue009\ue011\ue010\ue01d\ue002\ue009\ue02b\ue010\ue013\ue009\ue014\ue010\ue005\ue01f\ue017\ue015\ue00b\ue00a\ue002\ue009\ue030\ue002\ue009\ue00a\ue008\ue017\ue003\ue002\ue013\ue00b\ue01d\ue00b\ue016\ue002\ue016\ue010\ue009\ue017\ue002\ue009\ue00b\ue017-</div><div class="t m0 x6 h9 y5e ff8 fs3 fc1 sc0 ls3 ws34">formação disponibilizada) atualize a diplomática, desenvolvida por monges </div><div class="t m0 x6 h9 y5f ff8 fs3 fc1 sc0 ls3 ws0">europeus no século XVII e apropriada pela arquivologia!</div><div class="t m0 xb h9 y60 ff8 fs3 fc1 sc0 ls3 ws35">O grande mérito deste livro reside em explicar de forma bastante simples </div><div class="t m0 x6 h9 y61 ff8 fs3 fc1 sc0 ls3 ws36">conceitos da maior complexidade e, por meio desta explicação, desvelar a </div><div class="t m0 x6 h9 y62 ff8 fs3 fc1 sc0 ls3 ws37">complexidade dos procedimentos mobilizados ao \u201cgooglar\u201d hoje uma \u201csim-</div><div class="t m0 x6 h9 y63 ff8 fs3 fc1 sc0 ls3 ws0">ples\u201d per<span class="_1 blank"></span>gunta.</div><div class="t m0 xb h9 y64 ff8 fs3 fc1 sc0 ls3 ws38">Imensos progressos foram possíveis nestes últimos anos graças à incor<span class="_1 blank"></span>-</div><div class="t m0 x6 h9 y65 ff8 fs3 fc1 sc0 ls3 ws39">poração massiva da tecnologia nos sistemas de recuperação da informação: </div><div class="t m0 x6 h9 y66 ff8 fs3 fc1 sc0 ls3 ws3a">justamente esta é a odisseia que Edberto nos apresenta, ressaltando tanto o </div><div class="t m0 x6 h9 y67 ff8 fs3 fc1 sc0 lsa ws3b">que é novidade quanto o que não passa de uma reutilização de procedimentos </div><div class="t m0 x6 h9 y68 ff8 fs3 fc1 sc0 ls3 ws3c">e conceitos clássicos da Ciência da Informação. <span class="_3 blank"></span>Apesar dos progressos, uma </div><div class="t m0 x6 h9 y69 ff8 fs3 fc1 sc0 ls3 ws3d">certeza, no entanto, permanece: o adequado dimensionamento da tensão entre </div><div class="t m0 x6 h9 y6a ff8 fs3 fc1 sc0 ls3 ws3e">os aspectos quantitativos e qualitativos, sempre presente na recuperação da </div><div class="t m0 x6 h9 y6b ff8 fs3 fc1 sc0 ls3 ws3f">informação, ainda tem um longo caminho pela frente e nenhuma opção poderá </div><div class="t m0 x6 h9 y6c ff8 fs3 fc1 sc0 ls3 ws0">ignorar as variáveis descritas por Edberto! </div><div class="t m0 xc h9 y6d ff8 fs3 fc1 sc0 ls3 ws40">Johanna W<span class="_5 blank"></span>. Smit </div><div class="t m0 xd h9 y6e ff8 fs3 fc1 sc0 ls3">\ue031\ue008\ue01e\ue010\ue005\ue013\ue004\ue008\ue009\ue016\ue010\ue009\ue022\ue023\ue032\ue023</div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf7" class="pf w0 h0" data-page-no="7"><div class="pc pc7 w0 h0"><div class="t m0 xb ha y3d ffa fs4 fc1 sc0 ls3 ws18">Apr<span class="_1 blank"></span>esentação</div><div class="t m0 xb h9 y3e ff8 fs3 fc1 sc0 ls3 ws48">O vertiginoso avanço tecnológico que caracterizou o século XX e ainda </div><div class="t m0 x6 h9 y3f ff8 fs3 fc1 sc0 ls3 ws41">\ue01e\ue00b\ue01e\ue010\ue017\ue00a\ue00b\ue002\ue005\ue008\ue014\ue009 \ue017\ue010\ue014\ue014\ue010\ue009 \ue00a\ue008\ue005\ue010\ue006\ue008\ue009 \ue016\ue010\ue009 \ue014\ue033\ue00a\ue00f\ue01d\ue008\ue009 \ue01a\ue008\ue00b\ue009 \ue002\ue00a\ue008\ue005\ue011\ue002\ue017\ue02a\ue002\ue016\ue008\ue009 \ue016\ue010\ue009 \ue00f\ue005\ue009 \ue014\ue00b\ue01c\ue017\ue00b\ue003\ue00a\ue002\ue015\ue00b\ue01e\ue008\ue009</div><div class="t m0 x6 h9 y40 ff8 fs3 fc1 sc0 ls3 ws49">aumento da importância da informação como recurso estratégico nos mais va-</div><div class="t m0 x6 h9 y41 ff8 fs3 fc1 sc0 ls3 ws4a">riados contextos. No mundo globalizado e competitivo em que vivemos mais </div><div class="t m0 x6 h9 y42 ff8 fs3 fc1 sc0 ls3 ws4b">do que nunca precisamos de informação: informação para o bom desempenho </div><div class="t m0 x6 h9 y43 ff8 fs3 fc1 sc0 ls3 ws42">\ue016\ue010\ue009 \ue017\ue008\ue014\ue014\ue002\ue014\ue009 \ue002\ue015\ue004\ue00b\ue013\ue00f\ue00b\ue006\ue034\ue010\ue014\ue009 \ue011\ue004\ue008\ue003\ue014\ue014\ue00b\ue008\ue017\ue002\ue00b\ue014\ue035\ue009 \ue00b\ue017\ue01a\ue008\ue004\ue005\ue002\ue006\ue007\ue008\ue009 \ue011\ue002\ue004\ue002\ue009 \ue008\ue009 \ue01a\ue00f\ue017\ue00a\ue00b\ue008\ue017\ue002\ue005\ue010\ue017\ue015\ue008\ue009 \ue015\ue01b\ue015\ue00b\ue00a\ue008\ue012\ue009</div><div class="t m0 x6 h9 y44 ff8 fs3 fc1 sc0 ls3 ws4c">estratégico e operacional de empresas; informação para auxiliar governos no </div><div class="t m0 x6 h9 y45 ff8 fs3 fc1 sc0 ls3 ws4d">desenvolvimento e gestão de políticas públicas. Porém, observa-se que mes-</div><div class="t m0 x6 h9 y46 ff8 fs3 fc1 sc0 ls3 ws27">mo com as tecnologias disponíveis na atualidade a busca por uma informação </div><div class="t m0 x6 h9 y6f ff8 fs3 fc1 sc0 ls3 ws43">\ue011\ue004\ue010\ue00a\ue00b\ue014\ue002\ue012\ue009\ue004\ue010\ue01d\ue010\ue01e\ue002\ue017\ue015\ue010\ue009<span class="_1 blank"></span>\ue010\ue009\ue00a\ue008\ue017\ue003\ue01b\ue01e\ue010\ue01d\ue009\ue033\ue009<span class="_1 blank"></span>\ue015\ue002\ue004\ue010\ue01a\ue002\ue009\ue013\ue002\ue014\ue015\ue002\ue017\ue015\ue010\ue009<span class="_1 blank"></span>\ue01b\ue004\ue016\ue00f\ue002\ue009\ue00e\ue00f\ue010\ue009\ue017\ue002\ue009<span class="_1 blank"></span>\ue005\ue002\ue00b\ue008\ue004\ue00b\ue002\ue009\ue016\ue002\ue014\ue009\ue01e\ue010\ue025\ue010\ue014\ue009</div><div class="t m0 x6 h9 y70 ff8 fs3 fc1 sc0 ls3 ws44">\ue002\ue011\ue004\ue010\ue014\ue010\ue017\ue015\ue002\ue009 \ue004\ue010\ue014\ue00f\ue01d\ue015\ue002\ue016\ue008\ue014\ue009 \ue01a\ue004\ue00f\ue014\ue015\ue004\ue002\ue017\ue015\ue010\ue014\ue00c\ue009 \ue036\ue014\ue014\ue002\ue009 \ue016\ue00b\ue003\ue00a\ue00f\ue01d\ue016\ue002\ue016\ue010\ue009 \ue010\ue005\ue009 \ue014\ue010\ue009 \ue010\ue017\ue00a\ue008\ue017\ue015\ue004\ue002\ue004\ue009 \ue014\ue008\ue01d\ue00f\ue006\ue034\ue010\ue014\ue009</div><div class="t m0 x6 h9 y71 ff8 fs3 fc1 sc0 ls3 ws4e">satisfatórias para esse problema faz da Recuperação de Informação uma área </div><div class="t m0 x6 h9 y72 ff8 fs3 fc1 sc0 ls3">\ue016\ue010\ue009\ue011\ue010\ue014\ue00e\ue00f\ue00b\ue014\ue002\ue009\ue016\ue010\ue014\ue002\ue003\ue002\ue016\ue008\ue004\ue002\ue009\ue010\ue009\ue010\ue005\ue011\ue008\ue01d\ue01c\ue002\ue017\ue015\ue010\ue00c</div><div class="t m0 xb h9 y73 ff8 fs3 fc1 sc0 ls3 ws4f">O termo \u201cRecuperação de Informação\u201d (\u201c<span class="ff9 ws50">Information Retrieval\u201d<span class="ff8">) foi </span></span></div><div class="t m0 x6 h9 y74 ff8 fs3 fc1 sc0 ls3 ws45">\ue00a\ue004\ue00b\ue002\ue016\ue008\ue009 \ue011\ue008\ue004\ue009 \ue01e\ue008\ue01d\ue015\ue002\ue009 \ue016\ue010\ue009 \ue032\ue037\ue038\ue023\ue009 \ue010\ue009 \ue004\ue002\ue011\ue00b\ue016\ue002\ue005\ue010\ue017\ue015\ue010\ue009 \ue01c\ue002\ue017\ue02a\ue008\ue00f\ue009 \ue011\ue008\ue011\ue00f\ue01d\ue002\ue004\ue00b\ue016\ue002\ue016\ue010\ue009 \ue017\ue002\ue009 \ue00a\ue008\ue005\ue00f\ue017\ue00b\ue016\ue002\ue016\ue010\ue009</div><div class="t m0 x6 h9 y75 ff8 fs3 fc1 sc0 ls3 ws46">\ue00a\ue00b\ue010\ue017\ue015\ue039\ue003\ue00a\ue002\ue00c\ue009 \ue03c\ue00b\ue01e\ue010\ue004\ue014\ue002\ue014\ue009 \ue00b\ue016\ue010\ue00b\ue002\ue014\ue009 \ue010\ue009 \ue015\ue010\ue008\ue004\ue00b\ue002\ue014\ue009 \ue01a\ue008\ue004\ue002\ue005\ue009 \ue002\ue011\ue004\ue010\ue014\ue010\ue017\ue015\ue002\ue016\ue002\ue014\ue012\ue009 \ue002\ue01d\ue01c\ue00f\ue005\ue002\ue014\ue009 \ue016\ue010\ue01d\ue002\ue014\ue009 \ue00a\ue008\ue017-</div><div class="t m0 x6 h9 y76 ff8 fs3 fc1 sc0 ls3 ws51">substanciadas em um \u201cmodelo\u201d. Um modelo de recuperação de informação </div><div class="t m0 x6 h9 y77 ff8 fs3 fc1 sc0 ls3 ws47">\ue010\ue017\ue01e\ue008\ue01d\ue01e\ue010\ue009 \ue002\ue009 \ue010\ue014\ue011\ue010\ue00a\ue00b\ue003\ue00a\ue002\ue006\ue007\ue008\ue009 \ue01a\ue008\ue004\ue005\ue002\ue01d\ue009 \ue016\ue010\ue009 \ue015\ue004\ue03d\ue014\ue009 \ue010\ue01d\ue010\ue005\ue010\ue017\ue015\ue008\ue014\ue009 \ue011\ue004\ue00b\ue017\ue00a\ue00b\ue011\ue002\ue00b\ue014\ue027\ue009 \ue002\ue009 \ue004\ue010\ue011\ue004\ue010\ue014\ue010\ue017\ue015\ue002\ue006\ue007\ue008\ue009</div><div class="t m0 x6 h9 y78 ff8 fs3 fc1 sc0 ls3 ws52">dos documentos, a representação das buscas dos usuários e a maneira como </div><div class="t m0 x6 h9 y79 ff8 fs3 fc1 sc0 ls3 ws0">esses dois primeiros elementos serão comparados.</div><div class="t m0 xb h9 y7a ff8 fs3 fc1 sc0 ls3 ws53">O objetivo deste livro é apresentar de forma simples e clara alguns dos </div><div class="t m0 x6 h9 y7b ff8 fs3 fc1 sc0 ls3 ws54">principais modelos de recuperação de informação advindas da Ciência da </div><div class="t m0 x6 h9 y7c ff8 fs3 fc1 sc0 ls3 ws55">Computação. Este livro não contém algoritmos ou programas, e as fórmulas </div><div class="t m0 x6 h9 y7d ff8 fs3 fc1 sc0 ls3 ws56">matemáticas existentes são devidamente interpretadas e explicadas textual-</div><div class="t m0 x6 h9 y7e ff8 fs3 fc1 sc0 ls3 ws43">\ue005\ue010\ue017\ue015\ue010\ue009\ue002\ue009<span class="_1 blank"></span>\ue003\ue005\ue009\ue016\ue010\ue009<span class="_1 blank"></span>\ue011\ue010\ue004\ue005\ue00b\ue015\ue00b\ue004\ue009\ue00f\ue005\ue009\ue01a\ue01b\ue00a\ue00b\ue01d\ue009<span class="_1 blank"></span>\ue010\ue017\ue015\ue010\ue017\ue016\ue00b\ue005\ue010\ue017\ue015\ue008\ue009\ue002\ue009<span class="_1 blank"></span>\ue01d\ue010\ue00b\ue015\ue008\ue004\ue010\ue014\ue009\ue016\ue010\ue009\ue015\ue008\ue016\ue008\ue014\ue009<span class="_1 blank"></span>\ue008\ue014\ue009\ue017\ue039\ue01e\ue010\ue00b\ue014\ue009<span class="_1 blank"></span>\ue016\ue010\ue009</div><div class="t m0 x6 h9 y7f ff8 fs3 fc1 sc0 ls3 ws0">conhecimento em informática.</div><div class="t m0 xb h9 y80 ff8 fs3 fc1 sc0 ls3 ws57">Nos dois primeiros capítulos são apresentadas as duas principais ciências </div><div class="t m0 x6 h9 y81 ff8 fs3 fc1 sc0 ls3 ws58">envolvidas na pesquisa por soluções para problemas relacionados à recupe-</div><div class="t m0 x6 h9 y82 ff8 fs3 fc1 sc0 ls3 ws59">ração da informação: a Ciência da Informação e a Ciência da Computação, </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf8" class="pf w0 h0" data-page-no="8"><div class="pc pc8 w0 h0"><div class="t m0 x6 hb y5b ff8 fs5 fc1 sc0 ls3 ws0">X <span class="ffb">\ue002</span> Introdução aos Modelos Computacionais de Recuperação de Informação</div><div class="t m0 x6 h9 y83 ff8 fs3 fc1 sc0 ls3 ws5e">bem como um esquema básico com os principais elementos que compõem o </div><div class="t m0 x6 h9 y84 ff8 fs3 fc1 sc0 ls3 ws0">processo de recuperação de informação.</div><div class="t m0 xb h9 y85 ff8 fs3 fc1 sc0 ls3 ws43">\ue031\ue008\ue014\ue009\ue00a\ue002\ue011\ue039\ue015\ue00f\ue01d\ue008\ue014\ue009<span class="_2 blank"> </span>\ue024\ue009\ue002\ue009\ue038\ue009\ue014\ue007\ue008\ue009<span class="_2 blank"> </span>\ue002\ue011\ue004\ue010\ue014\ue010\ue017\ue015\ue002\ue016\ue008\ue014\ue009\ue008\ue014\ue009<span class="ff9 ws5f">modelo booleano<span class="ff8">, o primeiro mo-</span></span></div><div class="t m0 x6 h9 y86 ff8 fs3 fc1 sc0 ls3 ws60">delo desenvolvido e de certa forma ainda o mais utilizado; <span class="ff9 lsa ws61">o modelo veto-</span></div><div class="t m0 x6 h9 y87 ff9 fs3 fc1 sc0 ls3">rial<span class="ff8 ws62">, de fundamental importância para o desenvolvimento das pesquisas nessa </span></div><div class="t m0 x6 h9 y88 ff8 fs3 fc1 sc0 ls3 ws63">área; e o <span class="ff9 ws64">modelo pr<span class="_3 blank"></span>obabilístico<span class="ff8 ws63">, que aborda o problema da recuperação de </span></span></div><div class="t m0 x6 h9 y89 ff8 fs3 fc1 sc0 ls3 ws65">informação utilizando a teoria da probabilidade. Estes três modelos (boole-</div><div class="t m0 x6 h9 y8a ff8 fs3 fc1 sc0 ls3 ws66">ano, vetorial e probabilístico) são muitas vezes referenciados como modelos </div><div class="t m0 x6 h9 y8b ff8 fs3 fc1 sc0 ls3 ws67">\u201cclássicos\u201d e correspondem de certa forma ao alicerce teórico sob o qual se </div><div class="t m0 x6 h9 y8c ff8 fs3 fc1 sc0 ls3 ws68">desenvolveu a área de Recuperação de Informação. Os modelos clássicos fo-</div><div class="t m0 x6 h9 y8d ff8 fs3 fc1 sc0 ls3 ws69">ram o ponto de partida para diversas outras ideias e modelos, como é o caso </div><div class="t m0 x6 h9 y8e ff8 fs3 fc1 sc0 ls3 ws0">do <span class="ff9">modelo booleano estendido</span>, apresentado no Capítulo 6.</div><div class="t m0 xb h9 y8f ff8 fs3 fc1 sc0 lsa ws6a">A<span class="_3 blank"></span> recuperação de informação se tornou foco de interesse de diversas áreas </div><div class="t m0 x6 h9 y90 ff8 fs3 fc1 sc0 ls3 ws5a">\ue016\ue002\ue009\ue03f\ue00b\ue03d\ue017\ue00a\ue00b\ue002\ue009 \ue016\ue002\ue009 \ue03f\ue008\ue005\ue011\ue00f\ue015\ue002\ue006\ue007\ue008\ue00c\ue009<span class="_1 blank"></span>\ue00d<span class="_3 blank"></span>\ue009\ue040\ue017\ue015\ue010\ue01d\ue00b\ue01c\ue03d\ue017\ue00a\ue00b\ue002\ue009<span class="_1 blank"></span>\ue00d\ue004\ue015\ue00b\ue003\ue00a\ue00b\ue002\ue01d\ue009 \ue01a\ue008\ue00b\ue009 \ue00f\ue005\ue002\ue009 \ue016\ue010\ue014\ue014\ue002\ue014\ue009 \ue01b\ue004\ue010\ue002\ue014\ue009 \ue00e\ue00f\ue010\ue009</div><div class="t m0 x6 h9 y91 ff8 fs3 fc1 sc0 ls3 ws6b">direcionou parte de seu ferramental teórico e prático na proposição de solu-</div><div class="t m0 x6 h9 y92 ff8 fs3 fc1 sc0 ls3 ws6c">ções para os problemas relacionados ao tratamento e recuperação da infor<span class="_1 blank"></span>-</div><div class="t m0 x6 h9 y93 ff8 fs3 fc1 sc0 ls3 ws28">mação. No Capítulo 7 são apresentadas algumas técnicas de Processamento </div><div class="t m0 x6 h9 y94 ff8 fs3 fc1 sc0 ls3 ws6d">da Linguagem Natural auxiliares no processo de tratamento da informação </div><div class="t m0 x6 h9 y95 ff8 fs3 fc1 sc0 ls3 ws5b">\ue015\ue010\ue018\ue015\ue00f\ue002\ue01d\ue009 \ue011\ue002\ue004\ue002\ue009 \ue003\ue017\ue014\ue009 \ue016\ue010\ue009 \ue004\ue010\ue00a\ue00f\ue011\ue010\ue004\ue002\ue006\ue007\ue008\ue00c\ue009 \ue031\ue008\ue009 \ue03f\ue002\ue011\ue039\ue015\ue00f\ue01d\ue008\ue009 \ue051\ue009 \ue014\ue007\ue008\ue009 \ue016\ue00b\ue014\ue00a\ue00f\ue015\ue00b\ue016\ue008\ue014\ue009 \ue008\ue014\ue009 \ue011\ue004\ue00b\ue017\ue00a\ue039\ue011\ue00b\ue008\ue014\ue009</div><div class="t m0 x6 h9 y96 ff8 fs3 fc1 sc0 ls3 ws6e">da lógica <span class="ff9">fuzzy</span><span class="ws6f"> e a sua utilização na recuperação de informação. Sistemas </span></div><div class="t m0 x6 h9 y97 ff8 fs3 fc1 sc0 ls3 ws24">Especialistas foi<span class="fc2 lsb ws0 v0"> <span class="fc1 lsa ws5c">\ue00f\ue005\ue002\ue009 \ue01b\ue004\ue010\ue002\ue009 \ue016\ue010\ue009 \ue011\ue010\ue014\ue00e\ue00f\ue00b\ue014\ue002\ue009 \ue011\ue00b\ue008\ue017\ue010\ue00b\ue004\ue002\ue009 \ue016\ue002\ue009 \ue040\ue017\ue015\ue010\ue01d\ue00b\ue01c\ue03d\ue017\ue00a\ue00b\ue002\ue009\ue00d\ue004\ue015\ue00b\ue003\ue00a\ue00b\ue002\ue01d\ue00c\ue009 \ue059\ue014\ue009</span></span></div><div class="t m0 x6 h9 y98 ff8 fs3 fc1 sc0 ls3 ws70">elementos básicos de um sistema especialista e a sua aplicação em sistemas de </div><div class="t m0 x6 h9 y99 ff8 fs3 fc1 sc0 ls3">\ue004\ue010\ue00a\ue00f\ue011\ue010\ue004\ue002\ue006\ue007\ue008\ue009</div><div class="t m0 xe h9 y9a ff8 fs3 fc1 sc0 ls3 ws43">\ue016\ue010\ue009\ue00b\ue017\ue01a\ue008\ue004\ue005\ue002\ue006\ue007\ue008\ue009<span class="_1 blank"></span>\ue014\ue007\ue008\ue009\ue002\ue011\ue004\ue010\ue014\ue010\ue017\ue015\ue002\ue016\ue008\ue014\ue009<span class="_1 blank"></span>\ue017\ue008\ue009\ue03f\ue002\ue011\ue039\ue015\ue00f\ue01d\ue008\ue009<span class="_1 blank"></span>\ue037\ue00c\ue009\ue03c\ue00f\ue002\ue014\ue009<span class="_1 blank"></span>\ue008\ue00f\ue015\ue004\ue002\ue014\ue009\ue01b\ue004\ue010\ue002\ue014\ue009</div><div class="t m0 x6 h9 y9b ff8 fs3 fc1 sc0 lsc ws5d">\ue016\ue010\ue009\ue011\ue010\ue014\ue00e\ue00f\ue00b\ue014\ue002\ue009\ue016\ue002\ue009\ue040\ue017\ue015\ue010\ue01d\ue00b\ue01c\ue03d\ue017\ue00a\ue00b\ue002\ue009<span class="_3 blank"></span>\ue00d\ue004\ue015\ue00b\ue003\ue00a\ue00b\ue002\ue01d\ue009\ue014\ue007\ue008\ue009\ue002\ue014\ue009\ue05a\ue010\ue016\ue010\ue014\ue009\ue031\ue010\ue00f\ue004\ue002\ue00b\ue014\ue009<span class="_3 blank"></span>\ue00d\ue004\ue015\ue00b\ue003\ue00a\ue00b\ue002\ue00b\ue014\ue009\ue010\ue009\ue008\ue014\ue009<span class="_3 blank"></span>\ue00d\ue01d-</div><div class="t m0 x6 h9 y9c ff8 fs3 fc1 sc0 ls3 ws71">goritmos Genéticos. <span class="_3 blank"></span>A<span class="_3 blank"></span> aplicação de conceitos ligados a essas áreas na recupe-</div><div class="t m0 x6 h9 y9d ff8 fs3 fc1 sc0 ls3 ws43">\ue004\ue002\ue006\ue007\ue008\ue009<span class="_1 blank"></span>\ue016\ue010\ue009<span class="_1 blank"></span>\ue00b\ue017\ue01a\ue008\ue004\ue005\ue002\ue006\ue007\ue008\ue009<span class="_1 blank"></span>\ue014\ue007\ue008\ue009<span class="_1 blank"></span>\ue002\ue011\ue004\ue010\ue014\ue010\ue017\ue015\ue002\ue016\ue002\ue014\ue009<span class="_1 blank"></span>\ue017\ue008\ue014\ue009<span class="_1 blank"></span>\ue03f\ue002\ue011\ue039\ue015\ue00f\ue01d\ue008\ue014\ue009\ue032\ue023\ue009<span class="_3 blank"></span>\ue010\ue009<span class="_1 blank"></span>\ue032<span class="_1 blank"></span>\ue032\ue012\ue009<span class="_1 blank"></span>\ue004\ue010\ue014\ue011\ue010\ue00a\ue015\ue00b\ue01e\ue002\ue005\ue010\ue017\ue015\ue010\ue00c</div><div class="t m0 xb h9 y9e ff8 fs3 fc1 sc0 ls3 ws43">\ue03f\ue008\ue005\ue009\ue008\ue009<span class="_1 blank"></span>\ue014\ue00f\ue004\ue01c\ue00b\ue005\ue010\ue017\ue015\ue008\ue009<span class="_1 blank"></span>\ue016\ue002\ue009<span class="_1 blank"></span>\ue05b<span class="_5 blank"></span>\ue010\ue013\ue009\ue017\ue008\ue009<span class="_1 blank"></span>\ue00b\ue017\ue039\ue00a\ue00b\ue008\ue009\ue016\ue002\ue009<span class="_1 blank"></span>\ue016\ue033\ue00a\ue002\ue016\ue002\ue009\ue016\ue010\ue009<span class="_1 blank"></span>\ue032\ue037\ue037\ue023\ue009\ue014\ue00f\ue004<span class="_1 blank"></span>\ue01c\ue00b\ue00f\ue009\ue015\ue002\ue005\ue013\ue033\ue005\ue009<span class="_1 blank"></span>\ue00f\ue005\ue009</div><div class="t m0 x6 h9 y9f ff8 fs3 fc1 sc0 ls3 ws43">\ue017\ue008\ue01e\ue008\ue009\ue010\ue009<span class="_1 blank"></span>\ue016\ue010\ue014\ue002\ue003\ue002\ue016\ue008\ue004\ue009\ue00a\ue002\ue005\ue011\ue008\ue009<span class="_1 blank"></span>\ue016\ue010\ue009\ue011\ue010\ue014\ue00e\ue00f\ue00b\ue014\ue002\ue014\ue009<span class="_1 blank"></span>\ue017\ue002\ue009\ue004\ue010\ue00a\ue00f\ue011\ue010\ue004\ue002\ue006\ue007\ue008\ue009<span class="_1 blank"></span>\ue016\ue010\ue009\ue00b\ue017\ue01a\ue008\ue004\ue005\ue002\ue006\ue007\ue008\ue00c\ue009<span class="_1 blank"></span>\ue059\ue014\ue009\ue00a\ue02a\ue002-</div><div class="t m0 x6 h9 ya0 ff8 fs3 fc1 sc0 ls3 ws72">mados \u201cmecanismos de busca\u201d (<span class="ff9 ws73">sear<span class="_3 blank"></span>ch engines<span class="ff8 ws74">), \u201c</span>sites<span class="ff8 ws75"> de busca\u201d ou simples-</span></span></div><div class="t m0 x6 h9 ya1 ff8 fs3 fc1 sc0 ls3 wse">mente \u201cbuscadores\u201d são resultados dessas pesquisas e transformaram a <span class="_1 blank"></span>W<span class="_5 blank"></span>eb </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf9" class="pf w0 h0" data-page-no="9"><div class="pc pc9 w0 h0"><div class="t m0 xf hb ya2 ff8 fs5 fc1 sc0 ls3 ws0">Apresentação <span class="ffb">\ue002</span> XI</div><div class="t m0 x6 h9 y83 ff8 fs3 fc1 sc0 ls3 ws6b">de um simples repositório de páginas em uma preciosa fonte de informação </div><div class="t m0 x6 h9 y84 ff8 fs3 fc1 sc0 ls3 ws43">\ue017\ue002\ue014\ue009<span class="_1 blank"></span>\ue005\ue002\ue00b\ue014\ue009<span class="_1 blank"></span>\ue01e\ue002\ue004\ue00b\ue002\ue016\ue002\ue014\ue009<span class="_1 blank"></span>\ue01b\ue004\ue010\ue002\ue014\ue009<span class="_1 blank"></span>\ue016\ue008\ue009<span class="_1 blank"></span>\ue00a\ue008\ue017\ue02a\ue010\ue00a\ue00b\ue005\ue010\ue017\ue015\ue008\ue00c\ue009<span class="_1 blank"></span>\ue059\ue009<span class="_1 blank"></span>\ue03f\ue002\ue011\ue039\ue015\ue00f\ue01d\ue008\ue009<span class="_1 blank"></span>\ue032\ue022\ue009\ue002\ue011\ue004\ue010\ue014\ue010\ue017\ue015\ue002\ue009<span class="_3 blank"></span>\ue008\ue014\ue009<span class="_1 blank"></span>\ue010\ue01d\ue010\ue005\ue010\ue017-</div><div class="t m0 x6 h9 ya3 ff8 fs3 fc1 sc0 ls3 ws0">tos característicos da <span class="_1 blank"></span>W<span class="_5 blank"></span>eb e a estrutura básica dos mecanismos de busca.</div><div class="t m0 xb h9 y86 ff8 fs3 fc1 sc0 lsd ws78">Esforços foram e estão sendo realizados para melhorar o desempenho na </div><div class="t m0 x6 h9 y87 ff8 fs3 fc1 sc0 lsd ws79">busca por informação na <span class="_1 blank"></span>W<span class="_5 blank"></span>eb. Dentre esses esforços está a W<span class="_5 blank"></span>eb Semântica, </div><div class="t m0 x6 h9 ya4 ff8 fs3 fc1 sc0 lsd ws76">\ue00e\ue00f\ue010\ue009<span class="_1 blank"></span>\ue015\ue010\ue005\ue009<span class="_1 blank"></span>\ue011\ue008\ue004\ue009<span class="_1 blank"></span>\ue008\ue013\ue026\ue010\ue015\ue00b\ue01e\ue008\ue009\ue002\ue01c\ue004\ue010\ue01c\ue002\ue004\ue009<span class="_3 blank"></span>\ue014\ue00b\ue01c\ue017\ue00b\ue003\ue00a\ue002\ue016\ue008\ue009\ue019\ue009<span class="_3 blank"></span>\ue00b\ue017\ue01a\ue008\ue004\ue005\ue002\ue006\ue007\ue008\ue009<span class="_1 blank"></span>\ue016\ue00b\ue014\ue011\ue008\ue017\ue00b\ue013\ue00b\ue01d\ue00b\ue025\ue002\ue016\ue002\ue009\ue017\ue002\ue009<span class="_3 blank"></span>\ue05b<span class="_5 blank"></span>\ue010\ue013\ue009</div><div class="t m0 x6 h9 ya5 ff8 fs3 fc1 sc0 lsd ws45">\ue002\ue015\ue004\ue002\ue01e\ue033\ue014\ue009 \ue016\ue010\ue009 \ue017\ue008\ue01e\ue002\ue014\ue009 \ue010\ue014\ue015\ue004\ue00f\ue015\ue00f\ue004\ue002\ue014\ue009 \ue016\ue010\ue009 \ue004\ue010\ue011\ue004\ue010\ue014\ue010\ue017\ue015\ue002\ue006\ue007\ue008\ue00c\ue009 \ue031\ue008\ue009 \ue03f\ue002\ue011\ue039\ue015\ue00f\ue01d\ue008\ue009 \ue032\ue024\ue009 \ue033\ue009 \ue002\ue011\ue004\ue010\ue014\ue010\ue017\ue015\ue002\ue016\ue002\ue009 \ue002\ue009</div><div class="t m0 x6 h9 ya6 ff8 fs3 fc1 sc0 lsd ws7a">estrutura básica da <span class="_1 blank"></span>W<span class="_5 blank"></span>eb Semântica, assim como os seus elementos que buscam </div><div class="t m0 x6 h9 ya7 ff8 fs3 fc1 sc0 lsd ws76">\ue011\ue004\ue008\ue011\ue00b\ue00a\ue00b\ue002\ue004\ue009\ue00f\ue005\ue002\ue009\ue014\ue00b\ue01c\ue017\ue00b\ue003\ue00a\ue002\ue015\ue00b\ue01e\ue002\ue009\ue005\ue010\ue01d\ue02a\ue008\ue004\ue00b\ue002\ue009\ue016\ue002\ue009\ue004\ue010\ue00a\ue00f\ue011\ue010\ue004\ue002\ue006\ue007\ue008\ue009\ue016\ue010\ue009\ue00b\ue017\ue01a\ue008\ue004\ue005\ue002\ue006\ue007\ue008\ue009\ue017\ue002\ue009<span class="_1 blank"></span>\ue05b<span class="_5 blank"></span>\ue010\ue013\ue00c</div><div class="t m0 xb h9 ya8 ff8 fs3 fc1 sc0 ls3 ws77">\ue05c\ue008\ue004\ue009 \ue003\ue005\ue012\ue009 \ue017\ue008\ue009 \ue03f\ue002\ue011\ue039\ue015\ue00f\ue01d\ue008\ue009 \ue032\ue05d\ue009 \ue014\ue007\ue008\ue009 \ue002\ue011\ue004\ue010\ue014\ue010\ue017\ue015\ue002\ue016\ue002\ue014\ue009 \ue002\ue01d\ue01c\ue00f\ue005\ue002\ue014\ue009 \ue00a\ue008\ue017\ue014\ue00b\ue016\ue010\ue004\ue002\ue006\ue034\ue010\ue014\ue009 \ue01c\ue010\ue004\ue002\ue00b\ue014\ue012\ue009</div><div class="t m0 x6 h9 ya9 ff8 fs3 fc1 sc0 ls3 ws7b">abordando as características e limites da Ciência da Informação e da Ciência </div><div class="t m0 x6 h9 yaa ff8 fs3 fc1 sc0 ls3 ws0">da Computação e as possibilidades de um relacionamento mais próximo.</div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pfa" class="pf w0 h0" data-page-no="a"><div class="pc pca w0 h0"><div class="t m0 x10 hc yab ffa fs6 fc1 sc0 ls3">Sumário</div><div class="t m0 x6 hd yac ffa fs0 fc1 sc0 ls3 ws0">1 <span class="_3 blank"></span>A<span class="_5 blank"></span> Informação e as suas Ciências <span class="_6 blank"></span>....................................................<span class="_7 blank"> </span>1</div><div class="t m0 x11 h9 yad ff8 fs3 fc1 sc0 ls3 ws7d">\ue032\ue00c\ue032\ue009<span class="_3 blank"></span>\ue00d<span class="_3 blank"></span>\ue009\ue03f\ue00b\ue03d\ue017\ue00a\ue00b\ue002\ue009\ue016\ue002\ue009\ue040\ue017\ue01a\ue008\ue004\ue005\ue002\ue006\ue007\ue008 .........................................................................<span class="_8 blank"> </span>\ue024</div><div class="t m0 x11 h9 yae ff8 fs3 fc1 sc0 lsa ws7e">\ue032\ue00c\ue022\ue009<span class="_3 blank"></span>\ue00d<span class="_3 blank"></span>\ue009\ue03f\ue00b\ue03d\ue017\ue00a\ue00b\ue002\ue009\ue016\ue002\ue009\ue03f\ue008\ue005\ue011\ue00f\ue015\ue002\ue006\ue007\ue008\ue009\ue010\ue009\ue014\ue00f\ue002\ue009\ue004\ue010\ue01d\ue002\ue006\ue007\ue008\ue009\ue00a\ue008\ue005\ue009\ue002\ue009\ue03f\ue00b\ue03d\ue017\ue00a\ue00b\ue002\ue009\ue016\ue002\ue009\ue040\ue017\ue01a\ue008\ue004\ue005\ue002\ue006\ue007\ue008 .<span class="_8 blank"> </span>7</div><div class="t m0 x6 hd yaf ffa fs0 fc1 sc0 ls3 ws0">2 Recuperação de Informação <span class="_3 blank"></span>........................................................<span class="_7 blank"> </span>13</div><div class="t m0 x11 h9 yb0 ff8 fs3 fc1 sc0 ls3">\ue022\ue00c\ue032\ue009\ue03c\ue008\ue00a\ue00f\ue005\ue010\ue017\ue015\ue008\ue014\ue009\ue030<span class="ffc">Corpus</span><span class="ws1c">) ...........................................................................<span class="_8 blank"> </span>\ue032\ue05d</span></div><div class="t m0 x11 h9 yb1 ff8 fs3 fc1 sc0 ls3 ws7f">\ue022\ue00c\ue022\ue009\ue05a\ue010\ue011\ue004\ue010\ue014\ue010\ue017\ue015\ue002\ue006\ue007\ue008\ue009\ue016\ue008\ue014\ue009\ue016\ue008\ue00a\ue00f\ue005\ue010\ue017\ue015\ue008\ue014 ............................................................<span class="_8 blank"> </span>\ue032\ue038</div><div class="t m0 x11 h9 yb2 ff8 fs3 fc1 sc0 ls3 ws80">\ue022\ue00c\ue024\ue009\ue05e\ue014\ue00f\ue01b\ue004\ue00b\ue008\ue014 ................................................................................................<span class="_8 blank"> </span>\ue032\ue05f</div><div class="t m0 x11 h9 yb3 ff8 fs3 fc1 sc0 ls3 ws7c">\ue022\ue00c\ue05d\ue009\ue036\ue018\ue011\ue004\ue010\ue014\ue014\ue007\ue008\ue009\ue016\ue010\ue009\ue060\ue00f\ue014\ue00a\ue002............................................................................... \ue032\ue051</div><div class="t m0 x11 h9 yb4 ff8 fs3 fc1 sc0 ls3 ws81">\ue022\ue00c\ue038\ue009\ue05a\ue010\ue011\ue004\ue010\ue014\ue010\ue017\ue015\ue002\ue006\ue007\ue008\ue009\ue016\ue002\ue009\ue036\ue018\ue011\ue004\ue010\ue014\ue014\ue007\ue008\ue009\ue016\ue010\ue009\ue060\ue00f\ue014\ue00a\ue002 ................................................. \ue032\ue051</div><div class="t m0 x11 h9 yb5 ff8 fs3 fc1 sc0 ls3 ws82">\ue022\ue00c\ue06b\ue009\ue077\ue00f\ue017\ue006\ue007\ue008\ue009\ue016\ue010\ue009\ue060\ue00f\ue014\ue00a\ue002 ...................................................................................<span class="_8 blank"> </span>\ue032\ue037</div><div class="t m0 x11 h9 yb6 ff8 fs3 fc1 sc0 ls3 ws77">\ue022\ue00c\ue05f\ue009\ue05a\ue010\ue014\ue00f\ue01d\ue015\ue002\ue016\ue008\ue009\ue016\ue002\ue009\ue060\ue00f\ue014\ue00a\ue002 ...............................................................................<span class="_8 blank"> </span>\ue032\ue037</div><div class="t m0 x11 h9 yb7 ff8 fs3 fc1 sc0 ls3 ws83">\ue022\ue00c\ue051\ue009\ue079\ue008\ue016\ue010\ue01d\ue008\ue009\ue016\ue010\ue009\ue05a\ue010\ue00a\ue00f\ue011\ue010\ue004\ue002\ue006\ue007\ue008\ue009\ue016\ue010\ue009\ue040\ue017\ue01a\ue008\ue004\ue005\ue002\ue006\ue007\ue008 ............................................... \ue022\ue023</div><div class="t m0 x6 hd yb8 ffa fs0 fc1 sc0 ls3 ws0">3 Modelo Booleano <span class="_9 blank"></span>...........................................................................<span class="_7 blank"> </span>21</div><div class="t m0 x11 h9 yb9 ff8 fs3 fc1 sc0 ls3 ws84">\ue024\ue00c\ue032\ue009\ue059\ue011\ue010\ue004\ue002\ue016\ue008\ue004\ue010\ue014\ue009\ue013\ue008\ue008\ue01d\ue010\ue002\ue017\ue008\ue014 ...........................................................................<span class="_8 blank"> </span>\ue022\ue022</div><div class="t m0 x11 h9 yba ff8 fs3 fc1 sc0 ls3 ws85">\ue024\ue00c\ue022\ue009\ue059\ue011\ue010\ue004\ue002\ue016\ue008\ue004\ue010\ue014\ue009\ue016\ue010\ue009\ue011\ue004\ue008\ue018\ue00b\ue005\ue00b\ue016\ue002\ue016\ue010 ..................................................................<span class="_8 blank"> </span>\ue022\ue038</div><div class="t m0 x11 h9 ybb ff8 fs3 fc1 sc0 ls3 ws80">\ue024\ue00c\ue024\ue009\ue03c\ue00b\ue014\ue00a\ue00f\ue014\ue014\ue007\ue008 ..............................................................................................<span class="_8 blank"> </span>\ue022\ue051</div><div class="t m0 x6 hd ybc ffa fs0 fc1 sc0 ls3 ws0">4 Modelo <span class="_1 blank"></span>V<span class="_5 blank"></span>etorial <span class="_6 blank"></span>.............................................................................<span class="_7 blank"> </span>31</div><div class="t m0 x11 h9 ybd ff8 fs3 fc1 sc0 ls3 ws7f">\ue05d\ue00c\ue032\ue009\ue05a\ue010\ue011\ue004\ue010\ue014\ue010\ue017\ue015\ue002\ue006\ue007\ue008\ue009\ue016\ue008\ue014\ue009\ue016\ue008\ue00a\ue00f\ue005\ue010\ue017\ue015\ue008\ue014 ............................................................<span class="_8 blank"> </span>\ue024\ue032</div><div class="t m0 x11 h9 ybe ff8 fs3 fc1 sc0 ls3 ws86">\ue05d\ue00c\ue022\ue009\ue036\ue018\ue011\ue004\ue010\ue014\ue014\ue007\ue008\ue009\ue016\ue010\ue009\ue013\ue00f\ue014\ue00a\ue002 ...............................................................................<span class="_8 blank"> </span>\ue024\ue024</div><div class="t m0 x11 h9 ybf ff8 fs3 fc1 sc0 ls3 ws7c">\ue05d\ue00c\ue024\ue009\ue03f\ue01b\ue01d\ue00a\ue00f\ue01d\ue008\ue009\ue016\ue010\ue009\ue014\ue00b\ue005\ue00b\ue01d\ue002\ue004\ue00b\ue016\ue002\ue016\ue010......................................................................... \ue024\ue038</div><div class="t m0 x11 h9 yc0 ff8 fs3 fc1 sc0 ls3 ws87">\ue05d\ue00c\ue05d\ue009\ue059\ue009\ue014\ue00b\ue014\ue015\ue010\ue005\ue002\ue009\ue07b\ue079\ue00d\ue05a<span class="_3 blank"></span>\ue07c<span class="_1 blank"></span> ................................................................................<span class="_8 blank"> </span>\ue024\ue06b</div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div>
Compartilhar