Chapter 5(5.4~5.5) Applying information retrieval to text mining Parallel embedded system design lab 이청용.

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Presentation transcript:

Chapter 5(5.4~5.5) Applying information retrieval to text mining Parallel embedded system design lab 이청용

5.4 The term-document matrix applied to Poe Cosine

5.4 The term-document matrix applied to Poe Cosine

5.4 The term-document matrix applied to Poe Computing angle

5.4 The term-document matrix applied to Poe Computing angle

5.5 Matrix multiplication Definition matrix

5.5 Matrix multiplication Computing matrix product

5.5 Matrix multiplication Making diagonal matrix First entry =

5.5 Matrix multiplication Normalized matrix

5.5 Matrix multiplication Matrix of cosine

Matrix of cosine (convert degree) 5.5 Matrix multiplication

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