Barber and Emmanuel Candès created the knockoff filter framework, which essentially shows the likelihood of a false positive and is now widely used by researchers in the field.

Source: https://chicago.suntimes.com/news/2023/10/4/23901890/macarthur-foundation-genius-grant-2003-rina-foygel-barber-university-of-chicago-professor-statistics

I think I sound more like a Paolo Nutini knockoff.

Source: https://www.independent.co.uk/arts-entertainment/music/features/lewis-capaldi-interview-tourettes-dating-b2318986.html

Natalya had said that Shayna was a knockoff version of Rousey and Baszler said she was tired of being compared to Rousey.

Source: https://411mania.com/wrestling/ronda-rousey-return-wwe-smackdown-shayna-baszler-attack-natalya/

Sriracha’s runaway success also led to counterfeiters, who sold knockoff Sriracha in bottles designed to mimic the iconic rooster logo.“

Source: https://www.forbes.com/sites/giacomotognini/2023/02/05/how-vietnamese-refugee-david-tran-became-americas-first-hot-sauce-billionaire/

The character wasn't given enough depth and felt like an Iron Man knockoff without much in the way of individuality.

Source: https://www.cbr.com/marvel-comics-best-sidekicks-readers-eventually-loved/