AI 与写作2016gradeflex.com
Show HN：我做了一个基于 NLP 的作文评分器
Show HN: I made an NLP based essay grader
导读
这是作者用 NLP 做的作文自动评分工具 Gradeflex 的发布帖。评论区里，几位用户贴出胡言乱语、反复重复的句子和网络梗句，却都拿到了 A+ 或 A-，另一位用户则回忆了大学老师逐页手写批注的经历。对写作者来说，这个帖子既说明“机器评分到底在看什么”，也提醒我们：真正有用的反馈，来自针对具体论点和论据的人工意见。
可以直接用的写作要点
- 01
自动评分器给高分的往往是句式变化、连接词密度和篇幅这些表面特征；写给真人看的文章，不要把这些当成目标本身。
- 02
如果“因此”“综上所述”前后并没有真实的推理关系，读者会立刻察觉；过渡词必须承载逻辑，而不能只起装饰作用。
- 03
把同一句话换个标点反复写，形式上“多样”了，信息量却是零；扩写必须带来新内容。
- 04
与其盯着一个总分，不如找人（或自己扮演读者）要针对具体论点、论据和结构的反馈，这样文章才真的会变好。
HN 评论精选
人工批改的个性化反馈是写作进步的核心，自动化评分省下的时间换不来这种价值。
我大学时一位历史老师布置了 20 页的论文。那是全校最大的班之一，有 100 名学生，所以他大约要批 2000 页。我得了不错的分数，记得是 A-，还附了两页手写批注，指出我哪些论点可以加强、哪些资料能让论证更有力。最后整篇论文都用红笔标满了文体和语法批注，连参考书目也不例外。批改确实费时，但它是我们给学生提供个性化反馈的最好机会之一。如果我们放弃这种分析、思考和建立联系的机会，那不如干脆用 YouTube 视频取代全部教育，省事收场。
bobochan查看英文原文
I had a history teacher in college that assigned a 20 page paper. It was one of the biggest classes at the school, 100 students, so he had about 2,000 pages of grading to do. I got a decent grade, an A- if I recall, and two pages of handwritten notes about which arguments I could strengthen and sources that would have bolstered my arguments. Finally, the entire paper was marked in red with style and grammar notes, including the bibliography. Grading is indeed time consuming, but it is one of the best opportunities that we have to give personalized feedback to our students. If we throw away that chance to analyze, consider, and connect, then we might as well substitute YouTube videos for all of education and be done with it.
堆砌术语、连接词和句式花样就能骗过自动评分，说明它测的是表面特征而非意义。
一段胡言乱语的伪学术段落——“反复无常的投资者往往模仿量子力学，并把它强化到火星陀螺仪的水平。十四个人决定异想天开地在市场上交易交响乐般的趋势……”“综上可以得出结论，因此，确实如此。”——被这个算法评为 A+。作者补充说自己不是在批评开发者，只是觉得逗 AI 玩很有趣，也能帮他们改进。
jayajay查看英文原文
"Actually, reasonably capricious investors tend to emulate the science of quantum mechanics enhanced to mars gyroscope. Fourteen decided to whimsically trade symphonic trends on the market. Subsequently, eight and over 15.84 percent of astronauts landed on mars with mechanically whirring robotics capable neural networks. Tend to miss the forest for the individual trees. Although over seventeen of our reports turned up airplane maneuver killed over two hundred and fifty police men. After wikipedia, high schools demanded articulation and substantial loss. In conclusion, we have decided that over Harvard nineteen hippopotamus giraffe and lions decimate forests every year. Therefore, carnivorous angiosperm and glycoproteins tend to transpire sodium ions at 456.56 Hz. Thus it can be concluded, therefore, indeed." Got me an A+, according to this algorithm. EDIT: I'm not criticizing you! This is really cool, and you should keep working to improve it. Automating graduate students is definitely gonna happen, and this will bring us one step closer -- if we can work out the kinks. That said, it's always fun to poke and prod the AI nerds :D Makes them better!
同一句话换标点重复也能得高分——形式上的“句式多样”不等于有内容。
把一句语无伦次的网络梗句（“Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like?”）反复粘贴，只是变换标点和分行，结果拿到 A+。
longlost查看英文原文
https://www.gradeflex.com/graded/5856a241de6a2008562d2b88 A+ Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like? Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like; Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like? Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like, Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like, Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like, Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like. Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like? Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like? Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like; Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like, Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like. Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like, Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like, Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like, Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like, Has Anyone Really Been Far Even as Decided to Use Even Go Want to do Look More Like?
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