Ask HN: Where do companies like outpan and semantics3 get their data from? 4 points by joshpen188 9y ago ↗ HN
[–] outpan 9y ago ↗ Outpan here,We use a combination of polite massive-scale web crawling and user contribution. We had an in-house web crawler for years until recently when we released it as a stand-alone service.
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[ 3.1 ms ] story [ 26.4 ms ] threadWe use a combination of polite massive-scale web crawling and user contribution. We had an in-house web crawler for years until recently when we released it as a stand-alone service.