## One Vendor, Four Spellings: How Deterministic Stages Beat Similarity Scores Deduplicating a 10,000-row supplier list in Python, where the hard part is deciding what a similarity score of 91 means My agency buys editorial placements from independent publishers. The supplier list is a little over 10,000 websites, every one of them a company that sends us invoices, and keeping that list clean is the least glamorous problem we have. It is also the one that costs money when it goes wrong. A duplicate supplier record is how you pay the same invoice twice, and split records mean split price…