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1. 2. 3. 4.
:
▸
▸ [ ] PFI 3
▸ [ ] JR 5 1
▸ …
▸
2
1. 2. 3. 4.
:
▸
▸ [ ] PFI 3
▸ [ ] JR 5 1
▸ …
▸
3
1. 2. 3. 4.
▸
▸ 2 2
▸ 1 1
▸ 8 9 2
▸ 5/10 

→ → →
▸ 

4


… 

1. 2. 3. 4.
:
▸ ←
▸ Contessa
▸ [ ] ← 

▸ 

6
1. 2. 3. 4.
:
▸ 10:00 - 18:00
▸ 11:30
▸ [ ] 



[ ]
7
1. 2. 3. 4.
:
▸ 

▸ 



▸ 



Camel Up
8
↑ ↑
1. 2. 3. 4.
:
▸ → X’IAN
▸ → ALOHA TABLE
▸ →
▸ →
▸ →
▸ →
▸ →
9


※ …
1. 2. 3. 4.
:
▸ 

[ ] 

[ ] ↑ 

[ ] 

[ ] 

11
1. 2. 3. 4.
▸ 

: 

i-1
12
w0 w1 … wi−1 wi
wi
P(wi |w0, …, wi−1)
1. 2. 3. 4.
▸ 

▸ : 0.1
13
w0 w1 … wi−1 wi
P(wi |w0, …, wi−1) < 0.1
1. 2. 3. 4.
▸
14
❌ 



⭕ 



❌ 



1. 2. 3. 4.
▸ : : 233,873 sents
▸ : 

12
▸ : MeCab UniDic, IPADIC Neural
▸ : 

- N-gram → KenLM 5-gram 

- Neural → LSTM 1 <unk>
15
1. 2. 3. 4.
N-gram :
▸ : UniDic, IPADIC
16
N-gram 

1. 2. 3. 4.
Neural :
▸ : UniDic, IPADIC
17
1. 2. 3. 4.
Neural :
▸ :
18
Neural …
1. 2. 3. 4.
▸
▸ N-gram TP FP 

word
▸ Neural N-gram
19
1. 2. 3. 4.
:
▸ 



1. 

2. 

2
▸ +α 

- 

- [ ] : 

- :
21
1. 2. 3. 4.
:
▸ 



1. 

2. 

2
▸ +α 

- 

- [ ] : 

- :
22




▸ 

- http://www.creativ.xyz/retrieva-intern-840

- https://nomoto-eriko.hatenablog.com/entry/2018/10/04/125940
▸ 

- https://speakerdeck.com/nomotoeriko/retoribaintancheng-guo-bao-gao

- https://speakerdeck.com/kajyuuen/zhuan-men-yong-yu-chou-chu-shou-fa-
falseyan-jiu-to-chou-chu-apurikesiyonfalsekai-fa

23

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2018年度レトリバインターン参加報告

  • 1.
  • 2. 1. 2. 3. 4. : ▸ ▸ [ ] PFI 3 ▸ [ ] JR 5 1 ▸ … ▸ 2
  • 3. 1. 2. 3. 4. : ▸ ▸ [ ] PFI 3 ▸ [ ] JR 5 1 ▸ … ▸ 3
  • 4. 1. 2. 3. 4. ▸ ▸ 2 2 ▸ 1 1 ▸ 8 9 2 ▸ 5/10 
 → → → ▸ 
 4 
 … 

  • 5.
  • 6. 1. 2. 3. 4. : ▸ ← ▸ Contessa ▸ [ ] ← 
 ▸ 
 6
  • 7. 1. 2. 3. 4. : ▸ 10:00 - 18:00 ▸ 11:30 ▸ [ ] 
 
 [ ] 7
  • 8. 1. 2. 3. 4. : ▸ 
 ▸ 
 
 ▸ 
 
 Camel Up 8 ↑ ↑
  • 9. 1. 2. 3. 4. : ▸ → X’IAN ▸ → ALOHA TABLE ▸ → ▸ → ▸ → ▸ → ▸ → 9
  • 11. 1. 2. 3. 4. : ▸ 
 [ ] 
 [ ] ↑ 
 [ ] 
 [ ] 
 11
  • 12. 1. 2. 3. 4. ▸ 
 : 
 i-1 12 w0 w1 … wi−1 wi wi P(wi |w0, …, wi−1)
  • 13. 1. 2. 3. 4. ▸ 
 ▸ : 0.1 13 w0 w1 … wi−1 wi P(wi |w0, …, wi−1) < 0.1
  • 14. 1. 2. 3. 4. ▸ 14 ❌ 
 
 ⭕ 
 
 ❌ 
 

  • 15. 1. 2. 3. 4. ▸ : : 233,873 sents ▸ : 
 12 ▸ : MeCab UniDic, IPADIC Neural ▸ : 
 - N-gram → KenLM 5-gram 
 - Neural → LSTM 1 <unk> 15
  • 16. 1. 2. 3. 4. N-gram : ▸ : UniDic, IPADIC 16 N-gram 

  • 17. 1. 2. 3. 4. Neural : ▸ : UniDic, IPADIC 17
  • 18. 1. 2. 3. 4. Neural : ▸ : 18 Neural …
  • 19. 1. 2. 3. 4. ▸ ▸ N-gram TP FP 
 word ▸ Neural N-gram 19
  • 20.
  • 21. 1. 2. 3. 4. : ▸ 
 
 1. 
 2. 
 2 ▸ +α 
 - 
 - [ ] : 
 - : 21
  • 22. 1. 2. 3. 4. : ▸ 
 
 1. 
 2. 
 2 ▸ +α 
 - 
 - [ ] : 
 - : 22 
 

  • 23. ▸ 
 - http://www.creativ.xyz/retrieva-intern-840
 - https://nomoto-eriko.hatenablog.com/entry/2018/10/04/125940 ▸ 
 - https://speakerdeck.com/nomotoeriko/retoribaintancheng-guo-bao-gao
 - https://speakerdeck.com/kajyuuen/zhuan-men-yong-yu-chou-chu-shou-fa- falseyan-jiu-to-chou-chu-apurikesiyonfalsekai-fa
 23