[{"data":1,"prerenderedAt":353},["ShallowReactive",2],{"project-7985169":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":28,"sentiment":29,"stance_mix":30,"scored_comments":35,"aspects":36,"strip":45,"post_text":47,"what":48,"said":61,"maker_in_thread":186,"shape":193,"grid":197,"attempts":315,"same_week":316,"maker_shows":38,"maker_hidden":345,"reader_version":346,"card":347},"7985169","Knowledge engine","instant answers to any question","title","Show HN: Knowledge engine – instant answers to any question","http:\u002F\u002Fquickanswers.io","quickanswers.io","fchollet",1404416005,2014,48,46,671,2272,30,"shown","ai","question answering engine","web_app",[24,25,26,27],"question answering","natural language search","instant answers","knowledge engine","mixed",-0.253,{"positive":31,"neutral":32,"mixed":33,"critical":34},7,6,4,15,32,{"performance":37,"idea":40,"execution":42},{"positive":38,"critical":39},2,14,{"positive":41,"critical":41},1,{"positive":43,"critical":44},3,0,[43,44,44,44,46,41,41,46,41,44,41,46,44,44,44,41,46,46,43,43,43,41,43,41,41,41,41,41,44,44,44,43,41,41,44,46,43,43,41,43],5,null,{"problem":49,"audience":47,"pricing":47,"motivation":47,"time_to_build":47,"stack":58,"openness":59,"stage":60,"team_size":59},{"value":50,"source":51,"evidence":52},"Gives direct answers to factual questions instead of a list of links","inferred",[53,55],{"id":54},"post",{"id":56,"by":11,"text":57},"7985307","A discussion of the algorithm powering this can be found at: http:\u002F\u002Fwww.sphere-engineering.com\u002Fblog\u002Fquickanswers-io-a-new-algorithm.html However there are actually several types…",[],"unknown","prototype",{"praise":62,"objections":98,"requests":140,"questions":159,"alternatives":164},[63,83],{"value":64,"source":65,"evidence":66},"Answers many factual questions correctly","commenter",[67,71,75,79],{"id":68,"by":69,"text":70},"7986365","codezero","This actually worked really well for me for factual information, for example, I asked \"When was the World Trade Center Built?\" and it gave me the correct date. For a lot of…",{"id":72,"by":73,"text":74},"7985518","dang","It answered both \"Who was Klaus Nomi?\" and \"Why do pigs fly?\" correctly. That's a lot better than I usually get with these things.",{"id":76,"by":77,"text":78},"7985457","iterationx","It got the Caribou coffee question of the day, \"what battle ended the civil war\" \"surrender at Appomattox ended the civil war\"",{"id":80,"by":81,"text":82},"7988302","Grue3",">who is president of mexico Politics portal >who killed kennedy Men Who >what is the date of google's IPO June 25, 2014",{"value":84,"source":65,"evidence":85},"Impressive work for a first version",[86,90,94],{"id":87,"by":88,"text":89},"7985425","sosha","Wow! Many years ago I tried to do the same. Did not manage to get far. I am seriously impressed by what you have achieved",{"id":91,"by":92,"text":93},"7985444","MrDoug12","Awesome and amazing piece of work here. Don't ask why I searched this, but I found one problem out of everything I searched: http:\u002F\u002Fi.imgur.com\u002FcGlclWU.png",{"id":95,"by":96,"text":97},"7986161","flippyhead","Magical!",[99,118,125],{"value":100,"source":65,"evidence":101},"Fails on many questions, returning no answer or wrong answers",[102,106,110,114],{"id":103,"by":104,"text":105},"7986332","shogun21","\"What is the dollar to yen conversion rate?\" > Sorry, I don't know. \"Where is O'Hare?\" > Sorry, I don't know. \"What time is it in Japan?\" > Sorry, I don't know. Needs a little…",{"id":107,"by":108,"text":109},"7985800","errikk","The engine can't answer this one: How would I achieve instantaneously that a girl desires to be with me? Answer: Don't know",{"id":111,"by":112,"text":113},"7986044","skizm","\"If I filled a one square light year cube with plain chobani greek yogurt, how many calories would it contain?\" > Sorry, I don't know. Come on man. If you're not going to…",{"id":115,"by":116,"text":117},"7985765","fuelfive","When was the first Macintosh computer released? 1467 B.C. Needs some work...",{"value":119,"source":65,"evidence":120},"Doesn't handle ambiguous queries such as 'President Bush'",[121],{"id":122,"by":123,"text":124},"7985752","cpfohl","My favorite test for this sort of thing is asking questions about \"President Bush.\" Any successful engine is going to have to ask for clarification: Do you mean senior or junior?…",{"value":126,"source":65,"evidence":127},"Answers pulled from scraped sources can be irrelevant or nonsensical",[128,132,136],{"id":129,"by":130,"text":131},"7985850","jpetersonmn","I asked how to make a grilled cheese sandwich and it gave me some business from stackoverflow. Is this just supposed to be for techie type questions?",{"id":133,"by":134,"text":135},"7985873","tln","From \"How much does an elephant wiegh?\" on Answers.com: Less than your mum",{"id":137,"by":138,"text":139},"7985689","FeatureRush","There are some problems with answers form SO, example \"What is monad?\", but nice overall. Some answers could be combined into one like \"Where is New Zealand?\"",[141,148,152],{"value":142,"source":143,"evidence":144},"Ask for clarification on ambiguous questions","maker",[145],{"id":146,"by":11,"text":147},"7985792","I am working on handling ambiguity, as well as questions that don't have one definite answer (eg. \"how should I invest 10k at a 5 year term?\"). Possibly through an interface that…",{"value":149,"source":65,"evidence":150},"Scrape more data, including how-to sites",[151],{"id":68,"by":69,"text":70},{"value":153,"source":65,"evidence":154},"Let users add their own question-answer pairs",[155],{"id":156,"by":157,"text":158},"7986602","personlurking","Cool stuff! Perhaps a bit different, but Id love to see this implemented for specific subsets of information. Even better, a DIY version where I could enter my own QAs (or get…",[160],{"value":161,"source":65,"evidence":162},"How does the algorithm work?",[163],{"id":56,"by":11,"text":57},[165,175,179],{"value":166,"source":65,"evidence":167},"Wolfram Alpha",[168,171],{"id":169,"by":112,"text":170},"7986050","That's alright, wolfram alpha tells you the date the raincoat was invented when you plug in that question. (google gets it right)",{"id":172,"by":173,"text":174},"7988793","sullyj3","I just had to try wolfram alpha. It eventually understood \"how many calories would one cubic light year of greek yoghurt contain?\"",{"value":176,"source":65,"evidence":177},"Google",[178],{"id":169,"by":112,"text":170},{"value":180,"source":65,"evidence":181},"Ask Jeeves",[182],{"id":183,"by":184,"text":185},"7986559","dredwerker","It cant't answer \"tell me about abundant numbers\" or \"should I take the red or blue pill\". This reminds me of askjeeves(shudder)",{"comments":33,"answered":43,"key":187},[188,191,192],{"id":189,"text":190},"7986433","Interesting insight, thank you! I think crowd-based approaches and machine-based approaches will always have very different strengths and weaknesses. The quality of algorithmic…",{"id":56,"text":57},{"id":146,"text":147},{"commenters":194,"max_depth":46,"maker_replies":33,"first_comment_mins":195,"lifespan_hours":196},33,17,19,[198,200,202,204,206,210,214,215,217,220,221,223,226,228,232,234,236,239,241,243,245,247,248,251,254,256,257,259,261,264,267,269,270,273,275,279,283,287,290,292,295,297,302,305,308,312],[68,44,43,199,69,44],"project\u002Fmixed\u002Fperformance",[189,44,44,201,11,41],"commenter\u002Fneutral\u002Fidea",[203,44,44,201,69,44],"7986461",[56,41,44,205,11,41],"maker\u002Fneutral\u002Fdocs",[207,41,46,208,209,44],"7985937","project\u002Fpositive\u002Fidea","gone35",[211,38,41,212,213,44],"7986092","project\u002Fcritical\u002Fperformance","rayalez",[122,43,41,212,123,44],[146,43,44,216,11,41],"maker\u002Fneutral\u002Fidea",[218,43,46,219,123,44],"7986023","maker\u002Fpositive\u002Fexecution",[115,33,41,212,116,44],[169,33,44,222,112,44],"other\u002Fneutral\u002Fnone",[224,46,41,212,225,44],"7986442","charonn0",[72,32,46,227,73,44],"project\u002Fpositive\u002Fperformance",[229,32,44,230,231,44],"7985595","commenter\u002Fneutral\u002Fnone","qnaal",[233,32,44,230,73,44],"7985724",[235,32,44,230,231,44],"7986194",[237,32,44,238,73,44],"7986321","commenter\u002Fneutral\u002Fperformance",[240,31,41,212,108,44],"7985773",[76,242,46,227,77,44],8,[87,244,46,219,88,44],9,[111,246,43,199,112,44],10,[172,246,44,222,173,44],[156,249,43,250,157,44],11,"project\u002Fneutral\u002Fidea",[91,252,43,253,92,44],12,"project\u002Fmixed\u002Fexecution",[133,255,41,212,134,44],13,[137,39,43,199,138,44],[183,34,41,258,184,44],"project\u002Fcritical\u002Fidea",[129,260,41,212,130,44],16,[262,195,41,212,263,44],"7985762","ealize",[265,195,43,266,213,44],"7986051","project\u002Fneutral\u002Fnone",[80,268,41,212,81,44],18,[107,196,41,212,108,44],[271,196,44,230,272,44],"7985837","anigbrowl",[274,196,44,201,108,44],"7986052",[276,277,44,222,278,44],"7985824",20,"gtani",[280,281,43,216,282,44],"7986119",21,"gregw134",[284,285,41,212,286,44],"7985751",22,"cwt",[288,285,43,250,289,44],"7987025","oscargrouch",[103,291,41,212,104,44],23,[293,291,44,294,11,41],"7986367","maker\u002Fneutral\u002Fperformance",[296,291,46,219,104,44],"7986629",[298,299,43,300,301,44],"7985805",24,"project\u002Fneutral\u002Fperformance","sergnech",[303,299,43,300,304,44],"7985929","zheshishei",[306,299,41,212,307,44],"7986546","shakethemonkey",[309,310,41,212,311,44],"7988749",25,"jcm1011",[95,313,46,314,96,44],26,"project\u002Fpositive\u002Fnone",[],[317,322,327,331,336,340],{"id":318,"name":319,"points":320,"category":321},"8011081","Sysadmin Casts",443,"learning_science",{"id":323,"name":324,"points":325,"category":326},"8004839","Hacker News Redesign",380,"productivity",{"id":328,"name":329,"points":330,"category":321},"7985692","Full Stack Python",327,{"id":332,"name":333,"points":334,"category":335},"7985162","Prelang",229,"dev_tools",{"id":337,"name":338,"points":339,"category":321},"7985305","A Rogue State Along Two Rivers",212,{"id":341,"name":342,"points":343,"category":344},"7984989","Freeciv web client",197,"games",false,"v2",{"id":348,"name":5,"line":6,"ai":345,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":349,"top":18,"kw":350,"maker":11,"domain":10,"tier":19,"attempts":44,"strip":351,"url":9,"mix":352,"praise":64,"objection":100,"sub":21},7985169,-0.25,[24,25,26,27],"3000511510150001553331311111000311053313",[31,32,33,34],1794036519486]