koredact-bert-base

ํ•œ๊ตญ์–ด ๋ฉ”์‹œ์ง€ยท๋ฌธ์„œ์—์„œ ๊ฐœ์ธ์ •๋ณด 13 ์œ ํ˜•์˜ ๋ฌธ์ž ์ŠคํŒฌ์„ ์ฐพ๋Š” ํ† ํฐ ๋ถ„๋ฅ˜(NER) ๋ชจ๋ธ. BERT-base(ํŒŒ๋ผ๋ฏธํ„ฐ 110M), BIO ํƒœ๊น… 27 ๋ผ๋ฒจ. PyTorch(safetensors). ONNX ๋‚ด๋ณด๋‚ด๊ธฐ๋Š” ๋ณ„๋„ ๋ฆฌํฌ koredact-bert-base-onnx.

๋งŒ๋“  ์ด์œ 

  • ๊ตญ๋‚ด ๊ณต๊ฐœ PII ๋งˆ์Šคํ‚น ๋„๊ตฌยท๋ชจ๋ธ์ด ์‹ค๋ฐ์ดํ„ฐ์—์„œ ์ œ๋Œ€๋กœ ๋™์ž‘ํ•˜์ง€ ์•Š์•„ ์ง์ ‘ ํ•™์Šต. ๊ธฐ์กด ๊ณต๊ฐœ ๋ชจ๋ธ์€ ์‚ฌ์—…์ž๋“ฑ๋ก๋ฒˆํ˜ธยท ์šด์ „๋ฉดํ—ˆ๋ฒˆํ˜ธยท์—ฌ๊ถŒ๋ฒˆํ˜ธยท๋ฌธ๋งฅ ์ฝ”๋“œ ์œ ํ˜•์ด ์—†๊ฑฐ๋‚˜, ์œ ํ˜• ๊ตฌ๋ถ„ ์—†์ด ํ•œ ๋ผ๋ฒจ๋กœ ๋ฌถ๊ฑฐ๋‚˜, ์ƒ์šฉ ์‚ฌ์šฉ์ด ๋ง‰ํžŒ ๋ผ์ด์„ ์Šค์˜€์Œ.
  • ์ •๊ทœ์‹ ํ›„์ฒ˜๋ฆฌ ์—†์ด ๋ชจ๋ธ ๋‹จ๋…์œผ๋กœ ์šด์˜ ๊ฐ€๋Šฅํ•œ ์ •๋ฐ€๋„๊ฐ€ ๋ชฉํ‘œ. ๊ตฌ๋ถ„์ž ์ œ๊ฑฐยท์ž๋ฆฟ์ˆ˜ ์†์ƒยท์กฐ์‚ฌ ๊ฒฐํ•ฉ ๊ฐ™์€ ํ‘œ๊ธฐ ๋ณ€ํ˜•์„ ํ•™์Šต ๋ฐ์ดํ„ฐ์— ํฌํ•จํ•ด ํ•˜์ดํ”ˆ ์œ„์น˜๊ฐ€ ์•„๋‹ˆ๋ผ ๋ฌธ๋งฅ๊ณผ ์ž๋ฆฟ์ˆ˜๋กœ ์œ ํ˜•์„ ํŒ๋ณ„ํ•˜๊ฒŒ ํ•จ.
  • ๋””์ฝ”๋”(์กฐ์‚ฌ ์ ˆ๋‹จ ยท ์ฃผ๋ฏผ/์™ธ๊ตญ์ธ๋“ฑ๋ก๋ฒˆํ˜ธ 7๋ฒˆ์งธ ์ž๋ฆฌ ์žฌํŒ๋ณ„ ยท ๊ฒฝ๊ณ„ ์กฐ๊ฐ ์ œ๊ฑฐ)๊นŒ์ง€ ํฌํ•จํ•œ ์ถ”๋ก  ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ koredact ์˜ ๊ธฐ๋ณธ ๋ชจ๋ธ.

์œ ํ˜•(13)

NAME ์„ฑ๋ช… ยท PHONE ์ „ํ™”๋ฒˆํ˜ธ ยท EMAIL ์ด๋ฉ”์ผ ยท RRN ์ฃผ๋ฏผ๋“ฑ๋ก๋ฒˆํ˜ธ ยท FRN ์™ธ๊ตญ์ธ๋“ฑ๋ก๋ฒˆํ˜ธ ยท BRN ์‚ฌ์—…์ž๋“ฑ๋ก๋ฒˆํ˜ธ ยท CARD ์นด๋“œ๋ฒˆํ˜ธ ยท ACCOUNT ๊ณ„์ขŒ๋ฒˆํ˜ธ ยท ADDRESS ์ฃผ์†Œ ยท DRIVER_LICENSE ์šด์ „๋ฉดํ—ˆ๋ฒˆํ˜ธ ยท PASSPORT ์—ฌ๊ถŒ๋ฒˆํ˜ธ ยท URL URL ยท CODE ์ธ์ฆยท์ฃผ๋ฌธ ๋“ฑ ๋ฌธ๋งฅ ์ฝ”๋“œ

๊ณ„๋ณดยทํ•™์Šต

  • ๋ฒ ์ด์Šค ๊ณ„๋ณด: klue/bert-base (rev 77c8b3d, CC-BY-SA-4.0). ํ† ํฐ ๋ถ„๋ฅ˜ ํ—ค๋“œ ์žฌ์ดˆ๊ธฐํ™” ํ›„ korean-pii-ner ๋กœ ํ•™์Šต.
  • ์ž…๋ ฅ ์ฐฝ: 400์ž ์„ธ๊ทธ๋จผํŠธ, ๊ฒน์นจ 100์ž. ๊ฐ™์€ ์œ ํ˜•์˜ ๊ฒน์นœ ์ŠคํŒฌ์€ ๋ณ‘ํ•ฉ. ํ•™์Šต ์ธ์ฝ”๋”ฉ 512 ํ† ํฐ.

ํ‰๊ฐ€(held-out ํ…Œ์ŠคํŠธ ๋ถ„ํ•  1,589 ๋ฌธ์„œ ยท 1ํšŒ ๊ฐœ๋ด‰)

NER ๋‹จ๋… ์ธก์ •(์ •๊ทœ์‹ ํ›„์ฒ˜๋ฆฌ ์—†์Œ). raw = ๋ชจ๋ธ ์›์ถœ๋ ฅ, ๋””์ฝ”๋” = koredact ๋””์ฝ”๋” ๊ทœ์น™ ์ ์šฉ(v3_particle_strip_rrn_frn_7th_fragment_drop). Fฮฒ2 = ์žฌํ˜„์œจ ๊ฐ€์ค‘ F(ฮฒ=2). ํ•™์Šต ์ฒดํฌํฌ์ธํŠธ ์„ ํƒยทํ›„๋ณด ์ฑ„ํƒ์— ์“ด ๊ธฐ์ค€์ด๊ณ  F1 ์€ ๋น„๊ต์šฉ. ํ•ฉ์„ฑ ์ค‘์‹ฌ ํ‰๊ฐ€์…‹์ด๋ผ ์‹ค๋ฐ์ดํ„ฐ ์žฌํ˜„์œจ์˜ ์ƒํ•œยทํ•˜ํ•œ ์–ด๋А ์ชฝ๋„ ๋ณด์ฆํ•˜์ง€ ์•Š์Œ.

์œ ํ˜• ์˜๋ฏธ R(raw) P(raw) F1(raw) Fฮฒ2(raw) R(๋””์ฝ”๋”) P(๋””์ฝ”๋”) F1(๋””์ฝ”๋”) Fฮฒ2(๋””์ฝ”๋”)
NAME ์„ฑ๋ช… 0.963 0.959 0.961 0.962 0.963 0.962 0.962 0.963
PHONE ์ „ํ™”๋ฒˆํ˜ธ 0.998 0.981 0.989 0.994 0.998 0.982 0.990 0.994
EMAIL ์ด๋ฉ”์ผ 1.000 0.995 0.998 0.999 1.000 1.000 1.000 1.000
RRN ์ฃผ๋ฏผ๋“ฑ๋ก๋ฒˆํ˜ธ 0.991 0.947 0.968 0.982 0.991 0.964 0.977 0.985
FRN ์™ธ๊ตญ์ธ๋“ฑ๋ก๋ฒˆํ˜ธ 0.981 0.969 0.975 0.978 0.992 0.970 0.981 0.988
BRN ์‚ฌ์—…์ž๋“ฑ๋ก๋ฒˆํ˜ธ 1.000 0.991 0.995 0.998 1.000 0.991 0.995 0.998
CARD ์นด๋“œ๋ฒˆํ˜ธ 1.000 0.981 0.990 0.996 1.000 0.981 0.990 0.996
ACCOUNT ๊ณ„์ขŒ๋ฒˆํ˜ธ 0.974 0.978 0.976 0.975 0.974 0.978 0.976 0.975
ADDRESS ์ฃผ์†Œ 0.990 0.977 0.984 0.988 0.990 0.977 0.984 0.988
DRIVER_LICENSE ์šด์ „๋ฉดํ—ˆ๋ฒˆํ˜ธ 0.962 1.000 0.981 0.969 0.962 1.000 0.981 0.969
PASSPORT ์—ฌ๊ถŒ๋ฒˆํ˜ธ 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000
URL URL 0.989 0.989 0.989 0.989 0.989 0.989 0.989 0.989
CODE ์ธ์ฆยท์ฃผ๋ฌธ ๋“ฑ ๋ฌธ๋งฅ ์ฝ”๋“œ 0.988 0.988 0.988 0.988 0.988 0.988 0.988 0.988
macro F1 0.984 0.986
macro Fฮฒ2 ์ฑ„ํƒ ๊ธฐ์ค€ 0.986 0.987

ONNX

  • ๋ณ„๋„ ๋ฆฌํฌ koredact-bert-base-onnx: opset 20, fp32 ๋‹จ์ผ ํŒŒ์ผ 440 MB. ์ด ๋ฆฌํฌ์˜ ๊ฐ€์ค‘์น˜์—์„œ ๋‚ด๋ณด๋‚ธ ๊ฒƒ์ด๋ฉฐ dev 1,590 ๋ฌธ์„œ ยท 1,870 ์„ธ๊ทธ๋จผํŠธ ยท 196,653 ํ† ํฐ์—์„œ PyTorch ๋Œ€๋น„ ํ† ํฐ argmax ๋ถˆ์ผ์น˜ 0 ยท max|ฮ”logit| 8.5e-05.

์‚ฌ์šฉ๋ฒ•

  • ์ถ”๋ก  ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ koredact(Rust ๋Ÿฐํƒ€์ž„ + Python ๋ฐ”์ธ๋”ฉ, PyPI) ๋Š” ONNX ๋ฆฌํฌ koredact-bert-base-onnx ๋ฅผ ๊ธฐ๋ณธ์œผ๋กœ ๋กœ๋“œ. ์„ค์น˜ uv add koredact.
from koredact import Masker
m = Masker.from_pretrained()                                  # infobank-corp/koredact-bert-base-onnx
m.mask("๋ฌธ์˜ 010-1234-5678 ํ™๊ธธ๋™")                           # '๋ฌธ์˜ [PHONE] [NAME]'
m.mask(text, types=["PHONE"])                                 # ์„ ํƒํ•œ ์œ ํ˜•๋งŒ ๋งˆ์Šคํ‚น
Masker.from_pretrained(mask_tokens={"PHONE": "***"})        # ์œ ํ˜•๋ณ„ ์น˜ํ™˜ ๋ฌธ์ž์—ด(๊ธฐ๋ณธ [TYPE])
  • ์ด ๋ฆฌํฌ์˜ PyTorch ๊ฐ€์ค‘์น˜๋ฅผ ์ง์ ‘ ์“ธ ๋•Œ: uv add transformers torch ํ›„ token-classification ํŒŒ์ดํ”„๋ผ์ธ(aggregation_strategy="simple"). ๋””์ฝ”๋” ๊ทœ์น™(์กฐ์‚ฌ ์ ˆ๋‹จ ๋“ฑ)์€ koredact ์—๋งŒ ์žˆ์Œ.

ํ•œ๊ณ„

  • ํ‰๊ฐ€์…‹์€ ํ•ฉ์„ฑ ๋ฐ์ดํ„ฐ ์ค‘์‹ฌ. ์‹ค๋ฐ์ดํ„ฐ ์žฌํ˜„์œจ์€ ๋ณ„๋„ ๊ฐ์‚ฌ ์—†์ด๋Š” ์•Œ ์ˆ˜ ์—†์Œ.
  • ํ•œ๊ธ€ ๊ฒฝ๋กœยท๊ตญ์ œํ™” ๋„๋ฉ”์ธ URL, 400์ž ์ฐฝ ๊ฒฝ๊ณ„์— ๊ฑธ์นœ ๊ธด ์ŠคํŒฌ์€ ์•ฝ์ .
  • ๋ผ์ด์„ ์Šค CC-BY-SA-4.0(๋ฒ ์ด์Šค ๊ณ„๋ณด ์ƒ์†). ์ถœ๋ ฅ์€ ๋งˆ์Šคํ‚น ์ „์ฒ˜๋ฆฌ ์šฉ๋„์ด๋ฉฐ ๋ฒ•์  ํŒ๋‹จ ๊ทผ๊ฑฐ๋กœ ์“ฐ์ง€ ์•Š์Œ.
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