node.js - What are some ways to figure out related products/questions/items anything? -

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what ways including machine learning can use in projects generate things related another. related apps, related websites, related products, etc.

i've been brainstorming these strategies...

one way can think of show items same category. broad.

2nd way improves upon previous step, it's keep track of people click next , promote item. meanwhile keep bottom list randomized let other relevant items show , clicked.

3rd way use machine learning , provide training data somehow , use that.

i want simple smart, gets better time.

collaborative filtering designed solving problem. problem approach produces results having lot of data only. mean... a lot. , it's not simple thing use. however, machine learning technique not simple. there node.js packages cf available, have no idea how they.





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