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COPYCOP: Ownership Verification for Graph Neural Networks

์ž‘์„ฑ์ž
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์ €์ž

Rahul Nandakumar, Deepayan Chakrabarti

๐Ÿ’ก ๊ฐœ์š”

๋ณธ ๋…ผ๋ฌธ์€ ๋‘ ๊ทธ๋ž˜ํ”„ ์‹ ๊ฒฝ๋ง(GNN)์ด ๋…๋ฆฝ์ ์œผ๋กœ ํ•™์Šต๋˜์—ˆ๋Š”์ง€ ์—ฌ๋ถ€๋ฅผ ํŒ๋ณ„ํ•˜๋Š” ๋ฐฉ๋ฒ•๋ก ์ธ CopyCop์„ ์ œ์•ˆํ•ฉ๋‹ˆ๋‹ค. CopyCop์€ GNN ์•„ํ‚คํ…์ฒ˜, ๊ฐ€์ค‘์น˜, ์ž„๋ฒ ๋”ฉ ์ฐจ์›์ด ๋‹ค๋ฅด๊ฑฐ๋‚˜ ์ž„๋ฒ ๋”ฉ์ด ๋ณ€ํ™˜๋œ ๊ฒฝ์šฐ์—๋„ ๋ณต์ œ GNN์„ ์‹๋ณ„ํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ, ์ด๋Š” ๊ธฐ์กด ์›Œํ„ฐ๋งˆํ‚น ๋ฐ ํ•‘๊ฑฐํ”„๋ฆฐํŒ… ๋ฐฉ๋ฒ•์œผ๋กœ๋Š” ์–ด๋ ค์šด ๊ณผ์ œ์ž…๋‹ˆ๋‹ค. ์ด๋ก ์  ๋ณด์žฅ๊ณผ ํ•จ๊ป˜ 14๊ฐœ ๋ฐ์ดํ„ฐ์…‹ ๋ฐ 5๊ฐœ GNN ์•„ํ‚คํ…์ฒ˜์— ๋Œ€ํ•œ ์‹คํ—˜์„ ํ†ตํ•ด CopyCop์˜ ์ •ํ™•์„ฑ๊ณผ ๋‹ค์–‘ํ•œ ๊ณต๊ฒฉ์— ๋Œ€ํ•œ ๊ฐ•๊ฑด์„ฑ์„ ์ž…์ฆํ•ฉ๋‹ˆ๋‹ค.

๐Ÿ”‘ ์‹œ์‚ฌ์  ๋ฐ ํ•œ๊ณ„

โ€ข
GNN ๋ชจ๋ธ์˜ ์ง€์  ์žฌ์‚ฐ๊ถŒ ๋ณดํ˜ธ๋ฅผ ์œ„ํ•œ ํšจ๊ณผ์ ์ธ ์†Œ์œ ๊ถŒ ๊ฒ€์ฆ ๋ฐฉ๋ฒ•๋ก ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.
โ€ข
์ ๋Œ€์  ๋ณ€ํ™˜์— ๊ฐ•๊ฑดํ•˜์—ฌ ์‹ค์ œ ํ™˜๊ฒฝ์—์„œ์˜ ์ ์šฉ ๊ฐ€๋Šฅ์„ฑ์„ ๋†’์ž…๋‹ˆ๋‹ค.
โ€ข
CopyCop์˜ ๋ณต์žก์„ฑ ๋ฐ ๊ณ„์‚ฐ ๋น„์šฉ์— ๋Œ€ํ•œ ์ถ”๊ฐ€์ ์ธ ๋ถ„์„๊ณผ ์ตœ์ ํ™”๊ฐ€ ํ•„์š”ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
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