08
Oct
Oct
Comparing prices is easy once you know two listings are the same product. A five-stage matching cascade, GTIN validation code, and what academic benchmarks say about accuracy.
Tag Archives: data quality
08
Oct
Oct
Your scraper always shops from somewhere. We checked what Walmart, Target and Amazon assumed about a visitor who never picked a store, and what that does to price data.
08
Oct
Oct
Fetching competitor pages is the easy 20%. This guide covers the other 80%: scope, price context, cadence, normalization, matching, quality metrics and alerts.