1 Here at Yelp we take pride in providing accurate business listings.
2 Second, fewer listings had websites than other types of data.
3 First, TripAdvisor and Yellowbook do not have listings in some categories/geographies so they have a smaller set of samples.
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@naruter: Yelp Product & Engineering Blog: Data Quality: How Yelp stacks up to the competition http://t.co/Fcu0K6fPmr 도움이 되는 경쟁자.