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How does one map 6000 plants to 6000 products across other websites?

Is it done via some loose matching of keywords which is not verified by hand, or is there some kind of global identification system that is used by each of the sites?

Or is it done in collaboration with the sites?

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The process is a combination of things. right now most of the work is done by a massive regex. I also do some manual labeling. Exploring some other solutions too. But accurate mappings are a high priority for the site!

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