Shotaro Ishihara
February 29, 2020
2.1k

# What is Linear Quiz Blending (Netflix Blending) ?

The BigChaos Solution to the Netflix Grand Prize
https://www.netflixprize.com/assets/GrandPrize2009_BPC_BigChaos.pdf

## Shotaro Ishihara

February 29, 2020

## Transcript

6. ### ΋͠Z͕෼͔͍ͬͯͨΒʁ • (͕ʹ࠷΋ۙࣅ͢ΔΛ஌Γ͍ͨ • ) * ( − * ͕࠷খͱͳΔΛܭࢉ͍ͨ͠

• Ͱภඍ෼ͯ͠  ͱஔ͘͜ͱͰҎԼΛಘΔ , = ( .) (

8. ### (ͷ൪໨ͷཁૉΛߟ͑Δ 1,3 3 + 1,) ) + ⋯ + 1,6.)

6.) = 7 8 18 8 º ( ( = 0 = 1
9. ### ࣜมܗ 7 8 18 8 = 1 2 7 8

8 * + 7 8 18 * − 7 8 8 − 18 *
10. ### ୈ߲ 7 8 18 8 = 1 2 7 8

8 * + 7 8 18 * − 7 8 8 − 18 * • શͯͷ஋ΛͰఏग़ͨ͠ࡍͷ࠷খೋ৐ޡࠩ • QVCMJD-#ͷείΞͰۙࣅ
11. ### ୈ߲ 7 8 18 8 = 1 2 7 8

8 * + 7 8 18 * − 7 8 8 − 18 * • 9͸ܭࢉՄೳ
12. ### ୈ߲ 7 8 18 8 = 1 2 7 8

8 * + 7 8 18 * − 7 8 8 − 18 * • ࠷খೋ৐ޡࠩ • QVCMJD-#ͷείΞͰۙࣅ
13. ### ੔ཧ͢Δͱ • ∑8 18 8 = ) * ∑8 8

* + ∑8 18 * − ∑8 8 − 18 * ͸ ۙࣅܭࢉͰ͖Δ • Αͬͯ ( ͕෼͔Δ • ͢ͳΘͪ , = ( .) ( ͕෼͔Δ
14. ### ·ͱΊ • -JOFBS2VJ[#MFOEJOH Λղઆͨ͠ • QVCMJD-#ͷ৘ใΛ༻͍ͯɺ༏ΕͨFOTFNCMFͷॏΈ Λۙࣅܭࢉ͢Δ • ධՁࢦඪ͕࠷খೋ৐ޡࠩͷ৔߹ʹར༻Ͱ͖Δ •

ඞཁͳ৘ใ͸ ෳ਺ͷ ༧ଌ஋ QVCMJD-#ͷείΞ ͷϖΞ શͯͰఏग़ͨ͠ࡍͷQVCMJD-#ͷείΞ