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Mineração de Dados
   Projeto de Aplicação




AMAZON BOOKS
  Osvaldo Matos Júnior
        UFMG
AMAZON BOOKS


• Construção: Amazon Web      Services (AWS)
  • 6.314.312   livros coletados em 47 categorias
• Objetivo: Classificação Textual

• Seleção   de Atributos: Ganho de Informação
• Regras   de Associação: Apriori
ATRIBUTOS

     Título            Autores          Editorial

      ISBN               Edição          Editora

   Categoria           Dimensões    Número de Págians

                                      Ranking de
Data de Publicação       Preço
                                        Venda
                      Revisões de
Nota do usuário                     Livros relacionados
                       usuários
DISTRIBUIÇÃO DOS LIVROS NAS CATEGORIAS
SKWENESS
DISTRIBUIÇÃO DOS TERMOS
SELEÇÃO DE ATRIBUTOS

Experimento Instâncias     Atributos    Acurácia

 Sem seleção    10.000       38.579       50,87%

  Ganho de
                10.000        3.857       50,98%
 Informação

    Classificação textual no Weka com SVM Linear
REGRAS DE ASSOCIAÇÃO

• Apriori: atributos   nominais

• Discretização:

  • Nota   do usuário = {pessimo, ruim, medio, bom, otimo}

  • Revisões   de usuários = {nenhum, pouco, muito}

  • Ranking   de venda = {pouco, razoavel, muito}
APRIORI
 1. reviews=nenhum 84008 ==> rating=pessimo 84008    conf:(1)
 3. reviews=nenhum salesranking=pouco_vendido 83595 ==> rating=pessimo 83595    conf:(1)
  5. rating=pessimo 84008 ==> salesranking=pouco_vendido 83595    conf:(1)
  7. rating=pessimo reviews=nenhum 84008 ==> salesranking=pouco_vendido 83595    conf:(1)
 10. reviews=pouco 13383 ==> salesranking=pouco_vendido 13020    conf:(0.97)
 11. rating=otimo reviews=pouco 11006 ==> salesranking=pouco_vendido 10698    conf:(0.97)
 12. rating=otimo 13138 ==> salesranking=pouco_vendido 12339    conf:(0.94)
 14. salesranking=pouco_vendido 98659 ==> rating=pessimo 83595    conf:(0.85)
 15. salesranking=pouco_vendido 98659 ==> reviews=nenhum 83595    conf:(0.85)
 16. salesranking=pouco_vendido 98659 ==> rating=pessimo reviews=nenhum 83595    conf:(0.85)
 17. rating=otimo 13138 ==> reviews=pouco 11006    conf:(0.84)
 19. reviews=pouco salesranking=pouco_vendido 13020 ==> rating=otimo 10698    conf:(0.82)


         100.000 instâncias, suporte 0.03 e confiança 0.80
APRIORI


 1. reviews=pouco 13383 ==> rating=otimo salesranking=pouco_vendido 10698    conf:(0.8) < lift:(6.48)>

  3. rating=otimo 13138 ==> reviews=pouco 11006    conf:(0.84) < lift:(6.26)>

  5. rating=otimo 13138 ==> reviews=pouco salesranking=pouco_vendido 10698    conf:(0.81) < lift:(6.25)>

  6. reviews=pouco salesranking=pouco_vendido 13020 ==> rating=otimo 10698    conf:(0.82) < lift:(6.25)>

 10. reviews=nenhum 84008 ==> rating=pessimo salesranking=pouco_vendido 83595    conf:(1) < lift:(1.19)>




                   100.000 instâncias, suporte 0.10 e lift 1.1

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Classificação de livros usando mineração de dados

  • 1. Mineração de Dados Projeto de Aplicação AMAZON BOOKS Osvaldo Matos Júnior UFMG
  • 2. AMAZON BOOKS • Construção: Amazon Web Services (AWS) • 6.314.312 livros coletados em 47 categorias • Objetivo: Classificação Textual • Seleção de Atributos: Ganho de Informação • Regras de Associação: Apriori
  • 3. ATRIBUTOS Título Autores Editorial ISBN Edição Editora Categoria Dimensões Número de Págians Ranking de Data de Publicação Preço Venda Revisões de Nota do usuário Livros relacionados usuários
  • 4. DISTRIBUIÇÃO DOS LIVROS NAS CATEGORIAS
  • 7. SELEÇÃO DE ATRIBUTOS Experimento Instâncias Atributos Acurácia Sem seleção 10.000 38.579 50,87% Ganho de 10.000 3.857 50,98% Informação Classificação textual no Weka com SVM Linear
  • 8. REGRAS DE ASSOCIAÇÃO • Apriori: atributos nominais • Discretização: • Nota do usuário = {pessimo, ruim, medio, bom, otimo} • Revisões de usuários = {nenhum, pouco, muito} • Ranking de venda = {pouco, razoavel, muito}
  • 9. APRIORI 1. reviews=nenhum 84008 ==> rating=pessimo 84008    conf:(1) 3. reviews=nenhum salesranking=pouco_vendido 83595 ==> rating=pessimo 83595    conf:(1)   5. rating=pessimo 84008 ==> salesranking=pouco_vendido 83595    conf:(1)   7. rating=pessimo reviews=nenhum 84008 ==> salesranking=pouco_vendido 83595    conf:(1)  10. reviews=pouco 13383 ==> salesranking=pouco_vendido 13020    conf:(0.97)  11. rating=otimo reviews=pouco 11006 ==> salesranking=pouco_vendido 10698    conf:(0.97)  12. rating=otimo 13138 ==> salesranking=pouco_vendido 12339    conf:(0.94)  14. salesranking=pouco_vendido 98659 ==> rating=pessimo 83595    conf:(0.85)  15. salesranking=pouco_vendido 98659 ==> reviews=nenhum 83595    conf:(0.85)  16. salesranking=pouco_vendido 98659 ==> rating=pessimo reviews=nenhum 83595    conf:(0.85)  17. rating=otimo 13138 ==> reviews=pouco 11006    conf:(0.84)  19. reviews=pouco salesranking=pouco_vendido 13020 ==> rating=otimo 10698    conf:(0.82) 100.000 instâncias, suporte 0.03 e confiança 0.80
  • 10. APRIORI 1. reviews=pouco 13383 ==> rating=otimo salesranking=pouco_vendido 10698    conf:(0.8) < lift:(6.48)>   3. rating=otimo 13138 ==> reviews=pouco 11006    conf:(0.84) < lift:(6.26)>   5. rating=otimo 13138 ==> reviews=pouco salesranking=pouco_vendido 10698    conf:(0.81) < lift:(6.25)>   6. reviews=pouco salesranking=pouco_vendido 13020 ==> rating=otimo 10698    conf:(0.82) < lift:(6.25)>  10. reviews=nenhum 84008 ==> rating=pessimo salesranking=pouco_vendido 83595    conf:(1) < lift:(1.19)> 100.000 instâncias, suporte 0.10 e lift 1.1