Apresentação do Projeto de Aplicação

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O documento descreve experimentos de mineração de dados em conjuntos de dados de busca por ranking para recuperação de informação. Os experimentos incluem seleção de atributos para identificar os mais relevantes, regras de associação para determinar a relevância de documentos e agrupamento de consultas visando identificar clusters.

Tecnología Educación

Projeto de Aplicação Mineração de Dados - 2/2009 DCC/UFMG Humberto Mossri de Almeida Vitor Campos de Oliveira

Datasets ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Hipóteses  Técnicas ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Seleção de Atributos - OHSUMED ,[object Object],=== Attribute Selection on all input data === Search Method: Attribute ranking. Attribute Evaluator (supervised, Class (nominal): 46 relevance): Chi-squared Ranking Filter Ranked attributes: 3386.8539 F7 – IDF do título 3322.2472 F21 – log(IDF) do abstract 3303.8184 F20 – IDF do abstract 3303.202 F35 – IDF do título + abstract 3257.4267 F22 – IDF-like do abstract

Seleção de Atributos – TD2003 ,[object Object],=== Attribute Selection on all input data === Search Method: Attribute ranking. Attribute Evaluator (supervised, Class (nominal): 65 relevance): Chi-squared Ranking Filter Ranked attributes: 12081.4959 F43 - hyperlink 10015.5158 F12 – TF-IDF do anchor text 9080.2944 F23 – BM25 do título 8433.3378 F2 - TF do anchor text 8137.3983 F22 – BM25 do anchor text

Seleção de Atributos – TD2004 ,[object Object],=== Attribute Selection on all input data === Search Method: Attribute ranking. Attribute Evaluator (supervised, Class (nominal): 46 relevance): Chi-squared Ranking Filter Ranked attributes: 8639.1968 F32 – LMIR.DIR do anchor text 6964.0177 F33 – LMIR.DIR do título 6625.516 F13 – TF-IDF do título 6247.8854 F12 – TF-IDF do anchor text 6144.2743 F38 – LMIR.JM do título

Redução de dimensionalidade ,[object Object],[object Object],[object Object]

A priori - OHSUMED ,[object Object],[object Object],[object Object],[object Object],[object Object]

A priori - OHSUMED ,[object Object],[object Object],[object Object]

A priori - TD2003 ,[object Object],[object Object],[object Object],[object Object],[object Object]

A priori - TD2003 (cont.) ,[object Object],[object Object],[object Object]

A priori - TD2003 (cont.) ,[object Object],[object Object],[object Object],[object Object]

A priori - TD2004 ,[object Object],[object Object],[object Object],[object Object],[object Object]

A priori - TD2004 (cont.) ,[object Object],[object Object],[object Object]

A priori - TD2004 (cont.) ,[object Object],[object Object],[object Object],[object Object]

Agrupamento de Consultas ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Agrupamento de Consultas ,[object Object],[object Object]

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