[{"data":1,"prerenderedAt":310},["ShallowReactive",2],{"project-25245171":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":29,"sentiment":30,"stance_mix":31,"scored_comments":35,"aspects":36,"strip":44,"post_text":47,"what":48,"said":68,"maker_in_thread":149,"shape":151,"grid":156,"attempts":266,"same_week":274,"maker_shows":41,"maker_hidden":302,"reader_version":303,"card":304},"25245171","Hacker","A\u002FB test Hacker News titles with AI","title","Show HN: A\u002FB test Hacker News titles with AI","https:\u002F\u002Fwww.hacker-ai.com","hacker-ai.com","ihmissuti",1606658907,2020,48,42,1092,3028,37,"shown","ai","title performance prediction","web_app",[24,25,26,27,28],"hacker news","title testing","neural network","a\u002Fb testing","brain.js","curious",-0.231,{"positive":32,"neutral":33,"mixed":32,"critical":34},2,20,10,34,{"idea":37,"execution":40,"performance":42,"docs":43},{"positive":38,"critical":39},0,4,{"positive":38,"critical":41},3,{"positive":38,"critical":41},{"positive":38,"critical":38},[45,45,38,45,41,41,41,41,41,41,41,41,41,41,41,45,38,41,41,38,41,38,45,41,45,45,41,45,38,41,41,38,45,45,46,41,41,41,41,46],1,5,null,{"problem":49,"audience":47,"pricing":47,"motivation":47,"time_to_build":47,"stack":59,"openness":65,"stage":66,"team_size":67},{"value":50,"source":51,"evidence":52},"Estimating which Hacker News title will get more points","inferred",[53,55],{"id":54},"post",{"id":56,"by":57,"text":58},"25245646","thesausageking","From their README: \"Hacker-AI uses a brain.js feed-forward neural network machine learning model that has been trained with the below dataset that contains all stories and…",[60],{"value":61,"source":62,"evidence":63},"brain.js feed-forward neural network","commenter",[64],{"id":56,"by":57,"text":58},"open_source","launched","unknown",{"praise":69,"objections":85,"requests":118,"questions":133,"alternatives":148},[70],{"value":71,"source":62,"evidence":72},"Fun idea that makes for entertaining experiments",[73,77,81],{"id":74,"by":75,"text":76},"25245478","Closi","Great idea, Love things like this! Competition time - Can anyone come up with a title better than \"Rust\"? Edit: I've beaten \"Rust\" by putting in the title \" \". Can anyone beat…",{"id":78,"by":79,"text":80},"25245686","numbman","I love it when people come here and shit about old data sets or other bs. Gj op! Haters going to hate and makers going to make.",{"id":82,"by":83,"text":84},"25246155","timdaub","A: \"Show HN: I built a decentralized data set index\" [1] B: rust => B is 66% better. Damn it, I should have used rust! Anyways, great project. Bookmarked! 1: Shameless…",[86,93,104,111],{"value":87,"source":62,"evidence":88},"Model trained on 2006-2017 data is outdated",[89],{"id":90,"by":91,"text":92},"25245575","Gys","> dataset that contains all stories and comments between 2006 and 2017 That seems rather old data for a tech community?",{"value":94,"source":62,"evidence":95},"Input encoding of characters as numbers loses meaning",[96,100],{"id":97,"by":98,"text":99},"25245917","NumberCruncher","> The title is transformed it into an array of numbers between 0 and 1 (each character is a number) and this data is fed (along with the number of points) to the neural network.…",{"id":101,"by":102,"text":103},"25246536","timy2shoes","Converting text to numbers via individual characters destroys any semantic meaning to the input. Which is why no advanced NLP tools will do such a thing. Basically, what they…",{"value":105,"source":62,"evidence":106},"Model outputs are close to random; rust scores worse than random strings",[107],{"id":108,"by":109,"text":110},"25246652","oefrha","``` const randAlphaStr = length => String.fromCharCode( ...Array.from({ length }, () => 97 + Math.floor(Math.random() * 26)) ); const pitRustAgainstRandomFourCharAlphaStrings =…",{"value":112,"source":62,"evidence":113},"Predictions can feed back into the training data and skew results",[114],{"id":115,"by":116,"text":117},"25245565","wizzwizz4","Please don't use this in practice. It's trained on a dataset that it then ends up affecting, so we could end up with some really weird situations.",[119,126],{"value":120,"source":62,"evidence":121},"Use the current front page as context for ranking",[122],{"id":123,"by":124,"text":125},"25246777","eugenhotaj","It's also strange because what they've trained is essentially a recommender system. However, at inference time you're not trying to rank 2 different articles, but the same…",{"value":127,"source":62,"evidence":128},"Allow a short summary alongside titles on HN",[129],{"id":130,"by":131,"text":132},"25246173","johnny_b_g","I'd just like for HN to have the ability to add a 1-2 line summary with the title - a lot of titles feel like clickbait.",[134,141],{"value":135,"source":62,"evidence":136},"How many titles were tested to get the reported accuracy",[137],{"id":138,"by":139,"text":140},"25245769","jonplackett","I want to know how many titles they A\u002FB tested to get this one.",{"value":142,"source":62,"evidence":143},"Is it built with OpenAI",[144],{"id":145,"by":146,"text":147},"25245243","Michael_Sieb","Lol! 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