100+ Second hash table item PowerPoint (PPT) Presentations, Second hash table item PPTs

Second hash table item - PowerPoint PPT Presentation

Data Mining: Associations

Data Mining: Associations. Frequent itemsets, market baskets A-priori algorithm Hash-based improvements One- or two-pass approximations High-correlation mining. Purpose. If people tend to buy A and B together, then a buyer of A is a good target for an advertisement for B.

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699 views • 61 slides

Data Mining: Associations

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703 views • 61 slides

Data Mining of Very Large Data

Data Mining of Very Large Data. Frequent itemsets, market baskets A-priori algorithm Hash-based improvements One- or two-pass approximations High-correlation mining. The Market-Basket Model. A large set of items , e.g., things sold in a supermarket.

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585 views • 50 slides

Improvements to A-Priori

Improvements to A-Priori. Bloom Filters Park-Chen-Yu Algorithm Multistage Algorithm Approximate Algorithms Compacting Results. Aside : Hash-Based Filtering. Simple problem : I have a set S of one billion strings of length 10.

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596 views • 49 slides

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Second hash table item - PowerPoint PPT Presentation

Data Mining: Associations

Data Mining: Associations

Data Mining of Very Large Data

Improvements to A-Priori