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Diamonds in the Rough: Generating Fluent Sentences from Early-stage Drafts for Academic Writing Assistance Takumi Ito 1,2 , Tatsuki Kuribayashi 1,2 , Hayato Kobayashi 3,4 , Ana Brassard 4,1 , Masato Hagiwara 5 , Jun Suzuki 1,4 and Kentaro Inui 1,4


  1. Diamonds in the Rough: Generating Fluent Sentences from Early-stage Drafts for Academic Writing Assistance Takumi Ito 1,2 , Tatsuki Kuribayashi 1,2 , Hayato Kobayashi 3,4 , Ana Brassard 4,1 , Masato Hagiwara 5 , Jun Suzuki 1,4 and Kentaro Inui 1,4 1: Tohoku University, 2: Langsmith Inc., 3: Yahoo Japan Corporation, 4: RIKEN, 5: Octanove Labs LLC

  2. 2 The writing process FIRST DRAFT: “Model have good results.” Revising “Our model show “Our model shows a excellent perfomance good result in this task.” in this task.” Editing “Our model shows “Our model shows a excellent perfomance good results in this in this task.” task.” Proofreading “Our model shows excellent performance in this task.” “Our model shows excellent FINAL VERSION: performance in this task.” 2019/10/29 INLG2019

  3. 3 Automatic writing assistance FIRST DRAFT: “Model have good results.” insufficient fluidity • awkward style • Revising “Our model show “Our model shows collocation errors • a excellent perfomance good result missing words • in this task.” in this task.” Editing “Our model shows “Our model shows a excellent perfomance good results in this in this task.” grammatical errors task.” • spelling errors • Proofreading “Our model shows excellent performance in this task.” “Our model shows excellent FINAL VERSION: performance in this task.” 2019/10/29 INLG2019

  4. 4 Automatic writing assistance FIRST DRAFT: “Model have good results.” ✗ insufficient fluidity ✗ awkward style Revising “Our model show “Our model shows ✗ collocation errors a excellent perfomance good result ✗ missing words in this task.” in this task.” EXISTING STUDIES Editing “Our model shows “Our model shows ✓ grammatical errors a excellent perfomance good results in this in this task.” task.” ✓ spelling errors Proofreading “Our model shows excellent Grammatical error performance in this task.” correction (GEC) “Our model shows excellent FINAL VERSION: performance in this task.” 2019/10/29 INLG2019

  5. 5 Automatic writing assistance FIRST DRAFT: “Model have good results.” ✓ insufficient fluidity ✓ awkward style OUR FOCUS ✓ collocation errors Revising “Our model show “Our model shows ✓ missing words a excellent perfomance good result in this task.” in this task.” Editing “Our model shows “Our model shows ✓ grammatical errors a excellent perfomance good results in this in this task.” task.” ✓ spelling errors Proofreading “Our model shows excellent Grammatical error performance in this task.” correction (GEC) Sentence-level revision “Our model shows excellent FINAL VERSION: (SentRev) performance in this task.” 2019/10/29 INLG2019

  6. 6 Proposed Task: Sentence-level Revision The idea of our approach derives Our aproach idea is <*> at read from the normal human reading patern of normal human. pattern. revising, editing, draft final version proofreading l input: early-stage draft sentence - has errors (e.g., collocation errors) - has Information gaps (denoted by <*> ) l output: final version sentence - error-free - correctly filled-in sentence 2019/10/29 INLG2019

  7. 7 Proposed Task: Sentence-level Revision The idea of our approach derives Our aproach idea is <*> at read from the normal human reading patern of normal human. pattern. revising, editing, draft final version proofreading l input: early-stage draft sentence - has errors (e.g., collocation errors) - has Information gaps (denoted by <*> ) l output: final version sentence - error-free - correctly filled-in sentence l issue: lack of evaluation resource 2019/10/29 INLG2019

  8. 8 Our contributions The idea of our approach derives Our aproach idea is <*> at read from the normal human reading patern of normal human. pattern. revising, editing, draft final version proofreading l Created an evaluation dataset for SentRev - Set of Modified Incomplete TecHnical paper sentences (SMITH) l Analyzed the characteristics of the dataset l Established baseline scores for SentRev 2019/10/29 INLG2019

  9. 9 Evaluation Dataset Creation Goal : collect pairs of draft sentence and final version Our model shows Our model <*> results competitive results draft final 2019/10/29 INLG2019

  10. 10 Evaluation Dataset Creation Goal : collect pairs of draft sentence and final version Our model shows Our model <*> results competitive results Straight-forward approach ︓ Experts modify collected drafts to final version drafts final version Note: limitation: We can access plenty of early-stage draft sentences are final version sentences not usually publicly available 2019/10/29 INLG2019

  11. 11 Evaluation Dataset Creation Goal : collect pairs of draft sentence and final version Our model shows Our model <*> results competitive results Straight-forward approach ︓ Experts modify collected drafts to final version drafts final version Our approach : create draft sentences from final version sentences 2019/10/29 INLG2019

  12. 12 Crowdsourcing Protocol for Creating an Evaluation Dataset Our approach : create draft sentences from final version sentences ACL Anthology drafts final version Our model shows Our model <*> competitive results 私達のモデルは results 匹敵する結果を ⽰しました。 1.automatically translate 2. Japanese native workers the final sentence into translate into English Japanese 2019/10/29 INLG2019

  13. 13 Crowdsourcing Protocol for Creating an Evaluation Dataset Our approach : create draft sentences from final version sentences insert <*> where workers ACL could not think of a good Anthology expression drafts final version Our model shows Our model <*> competitive results 私達のモデルは results 匹敵する結果を ⽰しました。 1.automatically translate 2. Japanese native workers the final sentence into translate into English Japanese 2019/10/29 INLG2019

  14. 14 Statistics Levenshtein Dataset size w/<*> w/change distance Lang-8 2.1M - 42% 3.5 AESW 1.2M - 39% 4.8 JFLEG 1.5K - 86% 12.4 SMITH 10K 33% 99% 47.0 w/<*>: percentage of source sentences with <*> w/change: percentage where the source and target sentences differ l collected 10,804 pairs l SMITH simulates significant editing l Larger Levenshtein distance ⇨ more drastic editing 2019/10/29 INLG2019

  15. 15 Examples of SMITH draft: I research the rate of workable SQL <*> at the generated result. final: We study the percentage of executable SQL queries in the generated results. draft: For <*>, we used Adam using weight decay and gradient clipping . final: We used Adam with a weight decay and gradient clipping for optimization. draft: In the model aechitecture, as shown in Figure 1 , it is based an AE and GAN. final: The model architecture, as illustrated in figure 1 , is based on the AE and GAN. 2019/10/29 INLG2019

  16. 16 Examples of SMITH (1) Wording problems draft: I research the rate of workable SQL <*> at the generated result. final: We study the percentage of executable SQL queries in the generated results. draft: For <*>, we used Adam using weight decay and gradient clipping . final: We used Adam with a weight decay and gradient clipping for optimization. draft: In the model aechitecture, as shown in Figure 1 , it is based an AE and GAN. final: The model architecture, as illustrated in figure 1 , is based on the AE and GAN. 2019/10/29 INLG2019

  17. 17 Examples of SMITH (1) Wording problems draft: I research the rate of workable SQL <*> at the generated result. final: We study the percentage of executable SQL queries in the generated results. draft: For <*>, we used Adam using weight decay and gradient clipping. final: We used Adam with a weight decay and gradient clipping for optimization. draft: In the model aechitecture, as shown in Figure 1 , it is based an AE and GAN. final: The model architecture, as illustrated in figure 1 , is based on the AE and GAN. 2019/10/29 INLG2019

  18. 18 Examples of SMITH (2) Information gaps draft: I research the rate of workable SQL <*> at the generated result. final: We study the percentage of executable SQL queries in the generated results. draft: For <*>, we used Adam using weight decay and gradient clipping . final: We used Adam with a weight decay and gradient clipping for optimization. draft: In the model aechitecture, as shown in Figure 1 , it is based an AE and GAN. final: The model architecture, as illustrated in figure 1 , is based on the AE and GAN. 2019/10/29 INLG2019

  19. 19 Examples of SMITH (2) Information gaps draft: I research the rate of workable SQL <*> at the generated result. final: We study the percentage of executable SQL queries in the generated results. draft: For <*>, we used Adam using weight decay and gradient clipping. final: We used Adam with a weight decay and gradient clipping for optimization. draft: In the model aechitecture, as shown in Figure 1 , it is based an AE and GAN. final: The model architecture, as illustrated in figure 1 , is based on the AE and GAN. 2019/10/29 INLG2019

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