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クラウドワークスとScipyを使って 
カメリオの記事精度を「機械学習」したお話 
! 
白ヤギコーポレーション 
CEO 柴田暁 (akira.shibata@shiroyagi.co.jp) 
Copyright 2014 Shiroyagi Corporation. All rights reserved.
Copyright 2014 Shiroyagi Corporation. All rights reserved.
追いたい情報を 
あなたに代って収集する 
フォローメディア 
こだわりの情報 
が見つかる 
キュレーションアプリ 
Copyright 2014 Shiroyagi Corporation. All rights reserved.
The Problem 
Copyright 2014 Shiroyagi Corporation. All rights reserved.
The Data 
Copyright 2014 Shiroyagi Corporation. All rights reserved.
Copyright 2014 Shiroyagi Corporation. All rights reserved.
あまりはっきり区別できていなかった 
Copyright 2014 Shiroyagi Corporation. All rights reserved.
The Model 
#filreq(#datebetween( 08/19/2014 08/27/2014 ) ! 
#weight( ! 
! 
1.0 #weight[text]( 0.76 #syn( #1( Virtual reality ) Virtualreality ヴァーチャルリアリティ 仮想現実 
人工現実 バーチャルリアリティ ヴァーチャルリアリティー 疑似体験 バーチャルリアリティー #1( バーチャル リアリ 
ティ ) バーチャルリアリティ #1( Virtual Reality ) VirtualReality じつ現実 #1( ヴァーチャル リアリティ ) 
ヴァーチャルリアリティ 仮想現実感 人工現実感 ) ! 
! 
0.24 #weight( 0.181455949551 バーチャルリアリティ 0.0676355699611 Virtual 0.0647270262872 仮想 
0.0632592879725 現実 0.0627517974489 en 0.048662413307 VR 0.0473383780023 語 0.0472636426187 ユー 
ザ 0.0431593203971 バーチャル 0.0387111721324 テレイグジスタンス 0.0387111721324 舘暲 
0.0387111721324 複合現実 0.0384194809382 仮想現実 0.0340522516003 知覚 0.0331368157741 提示 
0.0327887328629 コンピュータ 0.0326059815089 学会 0.0291637310257 応用 0.0290265869801 仮想敵国 
0.0284195173671 実質 ) ) 10.0 #weight[summary]( 0.76 #syn( #1( Virtual reality ) 
Virtualreality ヴァーチャルリアリティ ・・・) 
パラメーター: 
テーマ名と、同義語の重み 
テーマ名と関連単語の重みの割合 
使う関連単語数・・・ 
Copyright 2014 Shiroyagi Corporation. All rights reserved.
Copyright 2014 Shiroyagi Corporation. All rights reserved.
Downhill Simplex Method (Heuristic) 
Copyright 2014 Shiroyagi Corporation. All rights reserved.
• 毎日結果を確認しながら 
最適化 
• 前々日より良ければ前日の値 
を初期値に新しいデータで最 
適化(2時間) 
• 全パラメーターで最適化 
• 特に重要なパラメーターを特定 
Copyright 2014 Shiroyagi Corporation. All rights reserved.
Copyright 2014 Shiroyagi Corporation. All rights reserved.
Copyright 2014 Shiroyagi Corporation. All rights reserved.

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MLCT勉強会 by カメリオ

  • 1. クラウドワークスとScipyを使って カメリオの記事精度を「機械学習」したお話 ! 白ヤギコーポレーション CEO 柴田暁 (akira.shibata@shiroyagi.co.jp) Copyright 2014 Shiroyagi Corporation. All rights reserved.
  • 2. Copyright 2014 Shiroyagi Corporation. All rights reserved.
  • 3. 追いたい情報を あなたに代って収集する フォローメディア こだわりの情報 が見つかる キュレーションアプリ Copyright 2014 Shiroyagi Corporation. All rights reserved.
  • 4. The Problem Copyright 2014 Shiroyagi Corporation. All rights reserved.
  • 5. The Data Copyright 2014 Shiroyagi Corporation. All rights reserved.
  • 6. Copyright 2014 Shiroyagi Corporation. All rights reserved.
  • 7. あまりはっきり区別できていなかった Copyright 2014 Shiroyagi Corporation. All rights reserved.
  • 8. The Model #filreq(#datebetween( 08/19/2014 08/27/2014 ) ! #weight( ! ! 1.0 #weight[text]( 0.76 #syn( #1( Virtual reality ) Virtualreality ヴァーチャルリアリティ 仮想現実 人工現実 バーチャルリアリティ ヴァーチャルリアリティー 疑似体験 バーチャルリアリティー #1( バーチャル リアリ ティ ) バーチャルリアリティ #1( Virtual Reality ) VirtualReality じつ現実 #1( ヴァーチャル リアリティ ) ヴァーチャルリアリティ 仮想現実感 人工現実感 ) ! ! 0.24 #weight( 0.181455949551 バーチャルリアリティ 0.0676355699611 Virtual 0.0647270262872 仮想 0.0632592879725 現実 0.0627517974489 en 0.048662413307 VR 0.0473383780023 語 0.0472636426187 ユー ザ 0.0431593203971 バーチャル 0.0387111721324 テレイグジスタンス 0.0387111721324 舘暲 0.0387111721324 複合現実 0.0384194809382 仮想現実 0.0340522516003 知覚 0.0331368157741 提示 0.0327887328629 コンピュータ 0.0326059815089 学会 0.0291637310257 応用 0.0290265869801 仮想敵国 0.0284195173671 実質 ) ) 10.0 #weight[summary]( 0.76 #syn( #1( Virtual reality ) Virtualreality ヴァーチャルリアリティ ・・・) パラメーター: テーマ名と、同義語の重み テーマ名と関連単語の重みの割合 使う関連単語数・・・ Copyright 2014 Shiroyagi Corporation. All rights reserved.
  • 9. Copyright 2014 Shiroyagi Corporation. All rights reserved.
  • 10. Downhill Simplex Method (Heuristic) Copyright 2014 Shiroyagi Corporation. All rights reserved.
  • 11. • 毎日結果を確認しながら 最適化 • 前々日より良ければ前日の値 を初期値に新しいデータで最 適化(2時間) • 全パラメーターで最適化 • 特に重要なパラメーターを特定 Copyright 2014 Shiroyagi Corporation. All rights reserved.
  • 12. Copyright 2014 Shiroyagi Corporation. All rights reserved.
  • 13. Copyright 2014 Shiroyagi Corporation. All rights reserved.